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I appreciate if you can comment your thoughts to improve this article be be more handy checklist for researchers looking to plan a conference
Conference Planning Checklist
I have been in the conference planning business for over 25 years and I know how to plan and organize successful conferences. However, I never stop using my conference planning checklist for conference I organize.
Because;
- It’s the easiest way to create a common language with conference stakeholders and partners to work in close coordination,
- The simplest way to share tasks and responsibilities with conference stakeholders and partners,
- “I don't want to keep my head busy with the question of whether I'm missing a task.
- Allows me to focus on the "How can I do it better?" question instead of the "What should I do?" question,
- As I update my checklist with each conference I organize, it transforms my knowledge and experience into an easy-to-use roadmap,
Did you know that event planning and management software also works like a checklist and guides you step by step with a "must have" and "nice to have" approach? For example, regardless of the complexity of your conferences, by using MeetingHand Online Event Management Software, one of the widely used event management platforms in the market, you can plan and run every step of your events in a seamless way by benefiting from the experience of many events organized by it.
There are many different checklists to help you plan your conferences and events, taking into account criteria such as timeline, topic, or event type. But the most important thing here is to agree on a traceable workflow with your business partners.
Considering that each conference has unique planning and management concerns and needed to be handled with a broad perspective, I wanted to share with you my academic and scientific conference planning checklist, which is one of the most comprehensive types of events, so that you can create your custom checklist that might suit your needs best.
I'm sharing my checklist here as a general guideline, but you can always email me for more details explaining your specific requirements or mentioning your interests.
Build your conference identity
As success always lies in the details, start with analyzing and defining the essentials of your conference. At this point, my to-do list includes these steps:
- Clarify the aims and objectives of your conference,
- Form an organizing committee,
- Create a master plan with a timeline,
- Choose an online collaboration and communication platform,
- Build your conference management team,
- Choose a conference venue/destination and set the conference dates,
- Fulfill legal permits and procedures which are necessary to hold the conference,
- Set start dates and deadlines for registrations and abstract submissions.
- Prepare the necessary information packages and documents for your potential participants.
Make a financial forecast for your conference
Accurate financial forecasting will help you better focus on planning and executing the conference goals. For seamless financial forecasting, my checklist includes the followings:
- Get at least 3 quotations from third-party suppliers for services such as venue, food, & beverages, technical equipment, travel, accommodation, additional staff, insurance, etc.
- Define the registration types, and fees and decide if you wish to offer advantageous registration options, such as early bird discounts to increase attendance,
- Prepare written sponsorship proposals including sponsorship categories, benefits, and fees,
- Prepare a cashflow table for the conference expenditures,
- Define the free or paid services that will be provided to participants,
- Create a conference budget and keep it updated,
- Choose the payment processing methods; offline, online (gateway), etc.
- Deposit conference payments in your account and pay the suppliers,
- Keep your conference records, contracts, expenses, and revenue details,
- Always update your budget with actual expenditures and revenues.
Develop a conference program
Start finding an answer to the "Why should they attend this conference?" question as “it’s the key to convincing the target audience to attend your conference”. Then follow these steps:
- Set up the initial "Conference Program at a Glance"
- Decide on the conference theme, topics, and presentation types,
- Recruit your conference speakers,
- Plan the schedule of the social activities,
- Finalize and announce the detailed conference program,
- Create the Book of Abstracts / Conference Proceedings,
Promote your conference
In fact, the whole success story is about how to encourage your audience to attend your conference, the marketing tactics you will apply to re-engage your previous attendees, and ultimately how to make your conference stand out.
Follow these steps to stand your conference out;
- Build a conference brand identity,
- Plan the advertising and promotional activities of the conference,
- Prepare visual materials for the advertisement and promotion of your conference,
- Purchase a web page domain and create social media accounts,
- Create a stunning conference webpage including the biographies and images of your invited speakers, and/or with relevant details, links, and logos of your sponsors, etc.,
- Review lists of your past conferences to contact potential contributors, authors, partners, and sponsors,
- Plan the timing of the materials you intend to share at regular intervals, such as your announcements, posts, press releases, and reminders, and decide upon their contents,
- Publish your conference web page and share the link on your social media accounts,
- Personally lead your promotional activities for the conference,
- Publish the first announcement or the invitation for the conference,
- Send an invitation e-mail to your target audience as a "Call for Abstracts",
- Send registration or participation invitation e-mails to your target audience,
- Announce and promote your invited speakers and social activity programs of your conference on your website and in your social media accounts,
- Remind abstract submission deadline,
- Remind registration and payment deadlines,
- Periodically update/inform your audience about the important activities of the conference.
Setup your online conference management system
The success of a conference largely depends on how seamlessly you collect and manage the registrations, abstract submissions, and payments, and how harmoniously you can coordinate your team, reviewers, partners, etc.
In fact, how to run a conference is a serious issue that every event planner must decide at the very beginning of the planning process. For this reason, the organizers prefer to use conference management software where they can manage all processes and bring all parties together on a common ground.
To find out your software requirement and set up your conference in it follow these steps:
- Determine what participant information you need to collect during online registration,
- Determine the format in which you will collect the abstracts and which information about the authors you need,
- Determine the evaluation method of abstracts and how to schedule presentations in the conference program,
- Consider the additional services you’ll offer during your conference; contents, fees, and terms,
- Define solutions and features’ requirements of conference management software that enables you easily manage the whole process of registration, submission, scientific program and more
- Research the market and select an online conference planning and management tool,
- Set up your registration, payment, and booking forms
- Set up your abstract submission form,
- Set up your abstract evaluation system by defining your abstract evaluation criteria, and adding reviewers
- Set up and customize your management process,
- Build a communication and follow-up plan with your participants, authors, and partners,
- Publish online conference registration and abstract submission forms,
- Track and manage collected registrations and abstracts,
- Assign abstract submissions to reviewers and follow the evaluation process,
- Notify the authors of the abstract evaluation results and remind them about the payment deadline,
- Confirm the conference attendance status of your participants and place the accepted abstracts in the conference program and their presenter details.
Arrange and coordinate your suppliers
Who is the right supplier?
- The supplier who gives you the best possible advice and focuses on your conference goals,
- The supplier who you can trust that he would provide you the solution that will not keep you busy and complete the work on time.
Select your business partners and suppliers by following these steps:
- Choose a venue that fits your conference requirements such as number of meeting rooms, capacities, breakout areas, and check their policy about providing technical equipment, food and beverage,
- Plan the food and beverages to be served and,
- Identify your visual and technical equipment needs in detail,
- Determine the necessary services for the social activities within the scope of your conference,
- Identify your travel and housing needs,
- Determine the services to be provided to the invited speakers including the fees and conditions,
- Make agreements with a the supplier you have selected including all the possible details such as payments, penalties, amount updates, insurances, etc.
- Determine and purchase the participation kit items you will distribute to your participants,
- Determine the decoration and visual material needs of the conference venue, have your designer make the designs, and coordinate when and how the installation will be done,
- Review logistics services and determine the exact amount to be served,
- Prepare guidelines for onsite registration and identify and supply the tools to be used at the registration desk,
- Check the workflow, job descriptions and instructions with your team one more time, and rehearse the event flow with your team onsite,
- Prepare speech notes such as welcome, introduction of the speakers, thanks and closing speech,
- Set up onsite registration desk and measure the registration time of an average participant,
- Plan the presentations of the speakers, test the entire systems including computers, speakers, projectors, and connections, rehearse the presentations to be projected on the screen and set up a presentation management desk,
- Build an operational team of staff, vendors, students and volunteers.
Manage the conference onsite
The conference start date is the most exciting time for every event planner when months of preparations and plans will be implemented and rewarded.
For the success of your conference, you must reinforce your well-planned workflow and instructions with effective communication. A seamless communication will enable your team to work together as a single body,
To make things work as planned, do the followings:
- Inform all stakeholders and your team members about the duties and timelines,
- Assign tasks and give instructions,
- Rehearse and see how it works,
- Check logistics, decorations, visuals, equipment, exhibitors, etc.
- Open the gates, give badges, accept new registrations, and collect the presentations,
- Start the conference with a Welcome Speech
- Share conference images and news on social media channels,
- Compile and report details of the daily activities, including registrations, payments, documents, etc.
- Periodically check the process and do daily evaluation sprints,
- Check the services offered by the suppliers every day and agree on the figures,
- Share the final figures and highlights of the conference, on the closing session, social media, and the conference web page.
Conclude the conference
Completing and concluding a conference is not just about closing the budget and packing the technical and visual materials in the conference venue. It's also about doing public relations and keeping in touch with your attendees and partners for next year's conference.
You can do even better by using my checklist:
- Gather all data, documents, feedbacks, and suggestions from the team, committees, venue, and suppliers,
- Follow up with everyone attending the conference,
- Send thank you messages and collect feedbacks,
- Analyze the data and feedback of the conference,
- Prepare a conference report covering attendance and presentation numbers, conference goals, budget applications, satisfaction level, recommendations, etc.,
- Organize an after-action-review meeting with the organizing committee,
- Archive conference data, important documents, and reports.
I wish you and your team successful conference planning!
And I’ll be more than happy to get your comments
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We want to hold EI academic conference, may I ask if we can cooperate?
Looking forward to hearing from you, you can also contact me directly via WhatsApp at +86 178 8346 2633
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Does the timing of tooth
loss have any influence on
indication for implants?
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Yes, the timing of tooth loss can influence the indication for implants. Early loss may lead to bone loss or shifting of teeth, affecting implant placement. Timely evaluation helps preserve bone and plan effective implant treatment.
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Could You Provide a Timing of Primary Teeth Development?
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a. Five months in utero, all crowns start calcification.
b. One year (11–12 months), all crowns complete formation.
c. Two and a half years, all primary teeth emerge.
d. Four years, all primary teeth complete root formation
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Role of Education in Shaping Marital Timings
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Respected Ma'am
Education plays a crucial role in shaping marital timings, particularly by influencing individuals' personal and professional aspirations. Higher levels of education are often associated with delayed marriages as individuals prioritize completing their studies and establishing their careers before settling down. Education provides people with better employment opportunities and financial independence, which can lead to more informed and autonomous decisions regarding marriage. Additionally, education can promote awareness about family planning and the benefits of later marriage, contributing to healthier, more stable relationships. By empowering individuals, especially women, with knowledge and skills, education facilitates more deliberate and thoughtful choices about when to marry.
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My topic for research is: “Impact of Push Notifications on Consumer Purchasing Behavior: An Empirical Analysis within the Zomato Ecosystem”
My Research Objectives are:
1. To measure the level of engagement with push notifications within the Zomato app.
2. To identify the type of notifications that the consumer receives.
3. To understand consumer preferences regarding the type, timing, and content of push notifications from Zomato.
The Research Questions based on the objective are:
Based on the 1st Objective:
RQ1.1: What is the level of engagement with push notifications within the Zomato app among users?
Based on the 3rd Objective:
RQ3.1: What are the preferences of Zomato users regarding the types of push notifications they receive?
RQ3.2: How do users perceive the timing of push notifications from Zomato (e.g., frequency, timing during the day)?
RQ3.3: What are users' preferences regarding the content of push notifications (e.g., promotions, discounts, restaurant updates)?
Research Methodology:
  • Quantitative Method
  • Survey/ Questionnaire
  • Restricted to Ahmedabad and Gandhinagar
  • Method of Analysis: SPSS software
  • Sample (Simple Random Sampling)
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Greetings,
First of all, SPSS is not a method, it's a software. The method is the collection (study design) + analysis procedure.
Regarding your question, it's a complex question with no one definitive answer. The best option is always a method that tests all the hypothesis at the same time. Because you seem to have many IVs and DVs, I think Structural Equation Models would be the best choice. But it requires large samples and is not available in standard SPSS (you need AMOS extension). So, some kind of multivariate regression is probably what you seek.
Best,
Yago
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To indicate whether the laws of war require this or not, and whether warring parties must provide “effective advance warning” of attacks that might affect the civilian population. What constitutes an “effective warning” depends on the circumstances. This assessment would take into account the timing of the warning and the ability of civilians to leave the area.
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The general characteristics of Satellite Laser Ranging (SLR): The photons returning are usually fewer because the transmitting laser and retroreflectors both have a divergence. This means that the laser beam spreads out as it travels, which can affect the accuracy of the measurement. How can this divergence be minimized?
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I suggest you read my article "Millimeter Accuracy Satellite Laser Ranging: A Review" available on Researchgate .
John Degnan
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Hi- I would like to transiently deplete CD8 T-cells in vivo to allows allografts to establish, but am testing T-cell activation as a therapeutic modality, so need them to come back with appropriate timing. Does anyone have experience with re-population kinetics of T-cells after in vivo administration of mouse anti-CD8 mAb clone 53-6.7?
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Emily Girard do you find a solution? I'm looking for this also...
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Hello,
I am planning an EEG study and I would like to use hierarchical Bayesian models for single trial analysis. Before planning the experimental paradigms, I would like to know if there are any constraints relative to the timing and duration of events or other.
Many thanks,
Stefania
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Hi,
When utilising hierarchical Bayesian models in EEG studies, ensure your events are distinguishable, collect ample trials, uphold high data quality, be mindful of computational constraints, and make knowledgeable choices for prior distributions.
Hope this helps.
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Once TMB is added the color starts to become blue, but what is the best time to add stop solution? Any method to monitor it or determine it? Why?
Thank you !
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Many people just wait 15min or follow the instructions, if it is a kit, and are happy if the sample values are within the standard curve and there is no saturation.
The color development depends on temperature, so it can make sense to check / control the lab temp and to make sure that it does not pull through or to use a dedicated microplate incubator. Some microplate reader have this option.
To optimize your assay, plate a standard curve and measure the plate every 2 minutes to see how the color develops and when it goes into saturation for a given standard concentration. For optimal results, you can calculate some statistics to determine the incubation time for best signal-to-noise ration.
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Hello
I have a rat model which requires daily s/c injections during pregnancy (Day 1 to Day 18). However, I am struggling to get the rats pregnant despite timing mating during estrus. Even for the control group which receives a daily s/c injection of normal saline, i have had no successful pregnancies.
I wonder whether it is the stress caused to the animal of daily injections and wondered whether others had a similar experience.
Thank you!
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1) how are you determining when they are in heat?
- vaginal swabs? make sure you're not inducing pseudopregnancy by stimulating vagino-cervical area
- palpating the flanks? If they lordose and show proceptive hopping & darting & ear wiggling, then good chance they'll mate
2) how are you mating?
- cohabiting with the male? Make sure the female is in heat (see palpating flanks above)
- try placing the female in a pacing chamber, allowing her to pace the interactions and stimulation; that should increase chances of pregnancy. You can leave them together for up to 2 hrs or so, during their dark phase of course, to ensure they are active. Alternately watch them, until she receives at least 3 ejaculations.
3) are the males performing?
- Make sure they are not duds, and that it has been at least 4 days since his last mating session.
- Consider placing the male with an OVX female who has been fully primed with hormones (E2+P) and wait for him to intromit, then place him with the animals you want to impregnate.
4) if concerns over stress from injections:
- ensure that the animals are sufficiently handled prior to injections, by the person who is doing the injections.
- ensure the person injecting is doing so in the proper way, minimizing stress to the animal.
Hope that helps! All the best.
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  • In Iraq, Turkey's construction of dams on the Tigris and Euphrates Rivers has been a significant concern. The dams, including the Ataturk Dam, reduce the flow of water downstream, which can have a significant impact on the Mesopotamian Marshes, agriculture, and the environment in Iraq. Additionally, the construction of dams in Turkey can lead to changes in the timing and volume of water flows, which can further exacerbate the water crisis in downstream areas.
  • Climate change is another significant factor contributing to the water crisis in Iraq. Rising temperatures and changing weather patterns are leading to increased evaporation rates and reduced precipitation, which further reduce the availability of water resources. The impact of climate change on the water crisis is particularly severe during the summer season when temperatures are at their highest.
  • The effects of the water crisis on the marshes, agriculture, and the environment in Iraq are significant. The Mesopotamian Marshes, which were drained and damaged in past, have been slowly restored over the years, but the water crisis is making it difficult to maintain the water levels needed to sustain the wetlands. Agriculture is heavily impacted, with reduced crop yields, increased food insecurity, and loss of income for farmers. The water crisis has also had severe environmental impacts, including soil degradation, loss of biodiversity, and increased desertification.
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On Water Risks & Water Security in the Arid region. See the book "Besbes, M.; Chahed, J.; Hamdane, A. (2014). Sécurité hydrique de la Tunisie, Gérer l'eau en conditions de pénurie. Ed. L'Harmattan" authorized us to distribute the chapters for academic and teaching purposes. Chapters are available within the references of the present project: https://www.researchgate.net/project/SHT-Securite-Hydrique-de-la-Tunisie-Tunisias-Water-Security
Unfortunately, we do not have yet the right to share the updated English version of the book:
Besbes, M., Chahed, J., & Hamdane, A. (2019). National water security: Case study of an arid country: Tunisia. Springer International Publishing.
The National Security Conceptual Model has been generalized to arid and semi-arid countries and in particular to the Maghreb countries:
Besbes, M., Chahed, J., & Hamdane, A. (2019). Food and water management in Northwest Africa. The Oxford Handbook of Food, Water and Society, 426.
To be requested on: https://www.researchgate.net/post/Scientific_Watch_on_Water_Scarcity_IndicatorsPublisher: Allan, T., Bromwich, B., Keulertz, M., & Colman, A. (Eds.)
French version available on:
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I'm wondering if, besides TMS-EEG, exist some others techniques or methods that allow to estimate this timing.
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Francesco Lomi ouch, there are quite a few muscles in those regions so TMS could be quite painful for a lot of subjects. Maybe single or paired pulses would be tolerable though. This article is a pretty solid overview of TMS in general and has lots of great references:
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Hello dear RG community.
I have a Dantec PIV setup consisting of, in particular, an iNanoSense camera and a SoloPIV 120 NewWave Research laser.
I'm getting the first image less bright and nonuniformly lit as oppose to the second image in a PIV pair of images.
First thing I did is I tried to determine whether it is the laser's or the camera's fault. I swapped the laser heads and, still, got the first image less bright and nonuniformly lit.
Hence, I made a conclusion that it is the camera's fault.
The only fix I could think of was to play with the timing diagram to try and make the camera getting the first image right. I didn't manage to come up with such a timing diagram.
Now, I'm out of ideas.
I'm wondering if anybody had the same issue, came up with a working fix and could share it with me, please.
Attached, is my timing diagram.
Thank you in advance.
Ivan
P.S. I did talk to Dantec's support to no avail. Dantec did help me a lot overall, but we couldn't solve this particular issue.
P.P.S. I don't want to play with the attenuators to try and get the first laser head more powerful to compensate for the camera's error (if that's possible at all ...).
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I am not familiar with the cameras you are using, but I am assuming they are double-shuttering and slaved to the laser frequency? It is quite common in double-shuttered cameras for one of the two images to be brighter due to the way the exposure times are handled. Most of the time, one of the two exposures (the first) is quite long until the trigger signal is received. That sets into motion the transfer of the contents of the CCD array and the start of the second exposure. This process has typically been accomplished in a couple of different ways, but both ways result in unequal exposures between the first and second images in an image pair on a double-shuttered camera. Less exposure -> fewer photons captured -> less bright images. The newer cameras do a much better job of evening this out, but the bit-depth of the cameras we use still capture a measurable difference.
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Dear Colleagues,
I have been formally teaching since 2009 at the university level. Also, I have been pursuing my Ph.D. at the University of Malaya since 2018, now waiting for the final viva.
I am very passionate about teaching and always enjoy sharing my understanding with future generations. Also, my heart is whispering for the Post-Doc.
I am requesting your kind suggestions or directions, especially, regarding what should be my future plan. What is the best time to start my Post-Doc?
Regards
Azizur
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Dear Mr. Rahman!
You spotted a very important topic. Career planning is a great challenge for many during the ongoing turbulent times. Below I searched for YOU articles that might be of value in this regard:
1) Caroline Hill (2022). A lab leader’s guide to hiring a postdoc: It’s worth waiting for the right postdoctoral researcher to come along, says Caroline Hill. But how do you choose the best candidate? Nature 607, 624-625 (2022), Free access: https://www.nature.com/articles/d41586-022-01729-5
2) Sandra A. Murray, Elsie C. Spencer, Antentor Hinton, The postdoctoral blueprint part one: creating a niche, Trends in Cell Biology, Volume 32, Issue 5, 2022, Open access:
3) Sandra A. Murray, Elsie C. Spencer, Antentor Hinton, The postdoctoral blueprint part two: the faculty application, Trends in Cell Biology, Volume 32, Issue 6, 2022, Open access:
4) E., Degtyarova, I., Kersschot, M., & Boman, J. (2022). Labour market perspectives for PhD graduates in Europe. European Journal of Education, 57, 395–409. h t t p s : //d o i .org/10.1111/ejed.12514, Open access:
5) Fork, M. L., Anderson, E. C., Castellanos, A. A., Fischhoff, I. R., Matsler, A. M., Nieman, C. L., Oleksy, I. A., and Wong, M. Y.. 2021. Creating community: a peer-led, adaptable postdoc program to build transferable career skills and overcome isolation. Ecosphere 12( 10):e03767. 10.1002/ecs2.3767 Open access:
Yours sincerely, Bulcsu Szekely
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Hello:
We want to develop a digital microfluidic platform with LAMP, but in this project planning I'm concerned with timing. Can someone who has worked with this platform help me with the time it takes to develop it and the description of the steps to get it?
We are very interested in getting into this topic but we have little experience, any support to raise the project correctly will be well received. Thank you very much to all of you.
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I am not so much into LAMP specifically but I can tell you as a general rule for microfluidics: Longer than you expect...
Parameters I would need for an estimation:
1) How much routine do you have with microfludics, i.e. how many applications have you already developed
2) Do you need a proof of concept e.g. for an article in an academic journal or do you want to push it to industrial maturity.
3) Without giving away your creative idea, can you give some details on what elements you want to have on your chip beside LAMP?
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Dear all
I just started analyzing the data collected form a survey distributed globally for vascular problems following transplantation.
The survey simply consists of 7 domains, as follows:
- experience: transplantation programme (date), use of specific technique (yes/no)
- team: how many internists/interventionists (number)
- care: 3 yes/no questions
- screening: which diagnostic modality? timing carried out (3 months 6 months 1 year etc..)
- assessment: cutoff values (diameter, velocities, pressure gradient etc..)
- anticoagulation: how many anticoagulations? sort anticoagulations, duration (lifelong or temporally), range INR and anti-Xa
- imaging follow up after treatment type (endovascular vs. surgery: which diagnostic modality? timing carried out (3 months 6 months 1 year etc..)
I'd like to know what is the best analysis that can be done for this type of data? My thoughts are qualitatively and quantitively analysis using descriptive statistics (quantitative variables were reported as median and interquartile range (IQR), and categorical variables as absolute and relative frequencies). Do I need i.e. 2-tailed Fischer or do I miss something else?
Many thanks,
Bader.
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First of all, collect the data, organize them correctly in the matrix and the rest will come by itself.
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Is it possible to make timing of the constitutive promoter work; means induced it in definite time and suppressed it at another time. In order to measure the effect of the inducers and suppressor in different times for example, to study the effect of light and dark on its efficacy.
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I have been searching for a platform to run a timed forced grammar judgment test. I have found many that allowed timing for the entire test, however, I have yet to find one that allows timing for the individual questions.
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Thank you again to those who responded to my question.
I actually found a platform that works near perfectly. It is called Riddle. They offer a 14-day free trial with no credit card required. It is worth checking out.
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Hello,
I have several sensors which are interfaced with the help of ROS and are synchronized with the ROS time(ROS1). The sensors and their nodes are fully functional. Each sensor does some processing ,after it senses a detection in it's environment, before eventually timestamping this data in ROS. Since the sensors are of different kinds, and have their own processing before eventually timestamping it's data in ROS, there is an expected delay between the detection and the timestamping and also a delay is expected between the different sensors.
I am interested in the delay that takes place between the sensor detecting an event and eventually timestamping this data in ROS. The image shows the different processing for each sensor that takes place before timestamping.
When searching for this specific problem not much could be found, so any advice would be appreciated.
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Hi all,
I am planning to start some experiments in the IntelliCage system using DREADD injected mice. When testing DREADD injected mice, the CNO i.p. injection is required (please note, my other experiments are done using i.p. injection, I would keep this condition consistent). And the DREADD effect may last for up to 6 hours. Question 1, What is the best timing for injecting the CNO? I am afraid some of the mice may start the tasks when the DREADD effect is gone. Question 2, How to avoid the repeated injection of CNO-caused pathological changes, rather than only the cell manipulation?
Any suggestions would be greatly appreciated
W
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Hi Wulaer,
This paper gives some time course of effects of CNO dihydrochloride on freely moving mice (ip injection) which might be of help:
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Dear All,
I'm working on the model to optimize the traffic light timing. I'm using the simulator SUMO for the development. To update cycle time and offset, my understanding so far is that,
  • Set the cycle time and offset for each intersection in .net.xml file
  • Then during runtime, keep updating this value based on the optimized value.
Is this the only way? Or can it be controlled without updating .net.xml file?
Any other options how to update cycle time and offset through python scripts?
Thanks in advance
Viji
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Hello all ,
I am trying to prepare a peptide that is free of pre-aggregates. So, I have diluted a powder from a peptide in HFIP and in the process of evaporating the samples. Each sample contains 250 ul of HFIP. However the result of the standing evaporation in a fume hood leads to disappearance of the peptide with very light traces of remnant on the walls of the Eppendorf tube.
So I moved to lyophilizing the samples directly without standing evaporation (HFIP liquid form without freezing), and the sample looks like a fluffy cloud in 5 minutes , a fluffy film in 20 minutes , almost disappears in an 1 hour, completely gone in 2 hours without any remnants.
Lyophilizing the HFIP in frozen resulted in a more intact powder-like form in same timings.
My question is: When is the best time to stop lyophilization guaranteeing the best form of free pre-aggregate sample? In other words what is the best shape for the sample to look like?
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Hi Nada,
I am currently looking into an exactly similar process to prepare a peptide free of pre-aggregates. Could you eventually figure out a perfect time by which you stopped the lyophilization process (considering you had 250ul of HFIP). Also could you please give me an idea of what the sample should look like eventually after the lyophilization is done?
Thank you,
Noyonika
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Meniscus repair is a commonly performed surgery. Is there a timing after which role of repair is equivocal to partial meniscectomy?
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Developing a new molecular entity (drug) is very expensive, cumbersome and risky with little expectation of success. Therefore a more safer and less expensive alternative with high possibility of success is needed to mitigate the problem of drug resistance, tolerance and most importantly to manage emerging diseases like COVID-19
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The reason drug repositioning rarely occurs is that drugs are optimized for their targets, so they usually have poor efficacy against other targets. Trying to use a higher concentration of the drug to make up for the lower effectiveness leads to higher toxicity.
(An example: P-glycoprotein is a multidrug transporter that is overexpressed by some cancer cells, making them resistant to multiple chemotherapy drugs by keeping them from accumulating inside the cells. Early on, it was discovered that P-glycoprotein was inhibited by verapamil, which is a drug used to treat certain heart conditions by blocking calcium channels. Trying to use verapamil to block the action of P-glycoprotein was not successful because the high concentration needed can't be tolerated by the patient.)
Having said that, occasionally, an unexpected side effect of a drug turns out to point to another therapeutic application. Sildenafil is a famous case of that.
There is a commercial downside to repurposing an old drug: lack of exclusivity because the patent has expired. Since nobody can own the exclusive right to the composition-of-matter (i.e. the chemical), anyone can make it and sell it, reducing the commercial incentive to spend a ton of money to conduct the necessary clinical trials to get regulatory approval for the new therapeutic indication. For rare diseases, however, it is still possible to get exclusivity in the US.
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Please read the complete question before answering!
I am having annual data for banks which is based on calendar year and annual data for Macro variables which is based on Fiscal year... How can I manage this disparity based on reported timings for my models.
Please note, I can not opt for quarterly or any other data frequency by design! Please be objective and provide relevant references only if any
Thanks
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Your issue sounds similar to the challenge of matching up daily stock prices from CRSP with annual report data from Compustat. Since some companies use a fiscal year that does not match the calendar year, one must determine how to assign this annual data. This determination will, of course, depend on the specifics of the data you have.
Let us explore a simple example. Assume we have some banks in the data set with fiscal years that end on March 31st of 2020. As such, nine months of that data cover the last three quarters of the 2019 calendar year and three months cover the first quarter of the 2020 calendar year. Given that 75% of the time covers the 2019 calendar year, many researchers would assign this fiscal year data to 2019.
I typically code with SAS so would most likely use the INTNX function in the situation you describe. A good example is available at: https://communities.sas.com/t5/SAS-Tips-from-the-Community/SAS-Tip-INTNX-function-with-Federal-Fiscal-Year/td-p/442529
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I mean the approximate timing for those surface?Is there another way to generate the hirshfield surface
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it depends on the complexity of your molecule. It could take 5 min for a single organic molecule to hours if you setup the superposition over the surface of several properties, such as electron density, Voids, Viewing down arbitrary crystal directions, rather than just the crystallographic ab, and c axis, the configuration of the number of decimal places in the interaction energies window and so on.
As more properties you set up at once to be calculated, the longer it will take.
Another time-consuming procedure is to calculate the overall molecule surface rather than a specific part of the interest.
Best regards,
WNM
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I couldn't find sufficient papers/articles/reports for review, and i am looking for help from the community.
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Traffic Signal Timing Manual, http://www.signaltiming.com/ - is this the kind of publications you are looking for?
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It's 99 days since the first case of COVID-19 in Hong Kong, and we are welcoming the 5th days of 0 new cases of COVID-19 following a week of <10 cases per day.
How should we define the end of a local endemic?
How long should the latent period be defined?
When is it safe to resume social activities?
Should territory wide screening of asymptomatic people be done before declaring the end of endemic?
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The SARS-CoV-2 (Covid-19) coronavirus pandemic is a global epidemic. On a global scale, the state of the pandemic in March 2020 was announced by the World Health Organization. Therefore, this organization could declare the end of the pandemic. On the other hand, the end of the epidemic on a regional, national or local scale can be announced by national central institutions of the health care system, including the ministries of health, in agreement with the government. In order to be able to declare the end of the epidemic on a national, regional or local scale, it is necessary to have a relatively large decrease in the number of new coronavirus infections, a decrease in the number of people seriously ill with Covid-19 disease and deaths caused by this disease. The decrease in Coronavirus infections and in sick people should be sustained in a longer period, i.e. min. several months, taking into account the periods of possible occurrence of subsequent epidemic waves caused by new variants of the Coronavirus and occurring in other regions of the world. In addition, an important factor that may be taken into account in the event of declaring the end of a pandemic on a global scale or an epidemic on a regional scale will be the level of vaccination of citizens with highly effective vaccines against Coronavirus and the level of social, collective immunity of the society achieved thanks to these vaccines.
Best regards,
Dariusz Prokopowicz
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Besides positioning solutions, Global Navigation Satellite Systems (GNSS) receivers can provide a reference clock signal known as Pulse-per-Second (PPS or 1-PPS). A TTL electrical signal that is used in several applications for synchronization purposes.
  1. Is the PPS physically generated through a digitally-controlled oscillator (or line driver) whose offset is periodically re-initialized by the estimated clock bias (retrieved by means of PVT algorithms)?
  2. Are there any specific filters/estimators devoted to a fine PPS generation and control?
  3. Does some colleague know any reference providing technical details on this aspect?
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we worked on the design and implementation of of a GPS receiver for the sake of extracting the one PPS, we could realize the signal acquisition phase and the tracking phase where we could generate a copy of the carrier with reduced frequency and of the pn conde clock generator. BY dividing these signal with appropriate division ratio one can get the one PPS. Its stability was to be evaluated. But the last divider stage is not yet realized and we plan to realize it and after that evaluate its accuracy and stability. please see the papers:
Once achieved I will notify you.
Best wishes
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I tried performing a meta-analysis of single arm studies (i.e without controls) using openMeta-analyst which allowed me to combine the effect estimate in form of proportions. Different organ transplants with similar endpoint were included from various studies. I was able to obtain
1) the overall estimate of all organs
2) perform sub-group analysis to find the estimate for specific organs, timing of treatment(<7days and >7 days), study design and availability of insurance cover or not
3) Did meta-regression to assess impact of covariates like timing of treatment
My PI wants a direct comparison of the point estimates from the subgroups already meta-analyzed. Is this a good practice and how can I do this without controls? I thought of using one organ say heart as the intervention and liver as control and then including by the number of events/total number of subjects for studies that provided data. For the corresponding control or intervention without values (since this direct comparison was not done in individual studies), I used zero and then corrected with 0.5 automatically which the software handles pretty well. Is this an ideal way to go in order to obtain the RR or OR across different sub-groups?
Please see below a schema of what I did:
Study organ 1 organ 2
A 0/0 6/20
B 0/0 4/9
C 0/0 8/23
D 6/21 0/0
E 34/45 0/0
F 12/50 0/0
ABC don't have information on organ 1 while DEF don't have info on organ 2. I am hoping this set up can help me unravel the difference between organs for a specific outcome measured.
I would appreciate your urgent response.
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The analysis of the included study would depend on the answer you are looking to identify in the metaanalysis. Define your PICO carefully and that will shape your analysis.
When evaluating single arm study, make sure to evaluate how the outcome is defined i.e. is the outcome response vs no response or is it increased or decreased response. Lets assume in a study with a binary outcome (e.g., response vs. no response) if the objective is to identify 'any effect' whatsoever - (i.e., the null hypothesis is “zero response” or equivalently that the lower bound for the confidence interval for the response rate is greater than zero).
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The timing of de-domestication events could be inferred using genomic data. Weedy rice is one of the few reported de-domesticates that has been thoroughly investigated using molecular data. Both the coalescence method and demographic analyses suggested that weedy rice has evolved from cultivated rice multiple times since 1000 years ago, which is much more recent than the previous estimate of 5600 years based on a demographic scenario analysis of weedy rice from Asian high latitudes. Some recent de-domestication events have been identified based on a comparison of genomic information from different rice lineages. According to phylogeny analysis that included the parental pedigrees, some de-domesticates were directly descended from modern cultivars only decades ago.
[Extracted from Wu, D., Lao, S. and Fan, L., 2021. De-domestication: an extension of crop evolution. Trends in Plant Science.]
Therefore, I am interested in evaluating the divergence time of different Oryza types in the "Domesticated-Wild-Weedy complex (DWWC)" in the Sri Lankan rice ecosystem.
Discussion is open for possible analysis particulars to evaluate the timing of de-domestication events in the complex rice ecosystem (DWWC).
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Hi! I am planning to do some whole mount immuno for mouse embryonic tissue. I read about ScaleA2 and it seems like a good yet cheap option, particularly as it will preserve fluorescent proteins whereas I don't think alternatives like BABB will.
My first question: For the ScaleA2 protocol, I have read that I will have to incubate my samples in sucrose solution, followed by imbedding in OCT compound, freezing and thawing prior to clearing with ScaleA2. I was firstly wondering what the point of freezing is, if you're going to thaw your samples anyway? And if freezing is not necessary, then why use sucrose at all?
My second question: at what point should one put on their antibodies? I was planning to immunolabel prior to putting the samples in ScaleA2, but won't the sucrose solution I incubated my samples in impair the diffusion of the antibodies?
Any questions would be greatly appreciated!
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Ana Rolo , may I know, how do You proceed with tissue sectioning of the samples for ScaleS protocol? I cannot find full protocol from A to Z, starting from perfusion and ending at imaging of sample.
I would need to clear brain sample, but I need to have it done on 105 µm thick sections. Should I cut them before IHC and then clear, or IHC, cutting and then clearance?
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Hello everyone, I have conducted a watermaze test and now I'm confused with the best analysis method to be used (I'm working with SPSS). I have different groups (3= vehicle, drug, drug+ environmental manipulation)+ different timing of interventions (2= prenatal, postnatal), and sex (male, female). animals have been tested in 3 learning blocks (time/distance in the target quadrant). should I perform a three-way repeated measure, mixed-model, or multivariate anova (taking each block as a separate dependent variable)?
I appreciate your time,
cheers,
Sajjad
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Duncan's New Multiple Range Test should serve
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I have the next error:
Timing for Writing wrfout_d01_2014-01-24_00:00:00 for domain 1: 0.71017 elapsed seconds
open_aux_u : error opening auxinput5_d01_2014-01-24_00:00:00 for reading. 100
d01 2014-01-24_00:00:00 Input data processed for aux input 5 for domain 1
d01 2014-01-24_00:00:00 Input data is acceptable to use: wrfbdy_d01
Ignoring all time series locations beyond # 20. Increase max_ts_locs in namelist.input
Timing for processing lateral boundary for domain 1: 0.09578 elapsed seconds
Tile Strategy is not specified. Assuming 1D-Y
WRF TILE 1 IS 1 IE 40 JS 1 JE 20
WRF NUMBER OF TILES = 1
How much should I make coarser the eta_levels? the area of study includes altitudes from 3000 to 240 m.a.s.l.
&time_control
run_days = 3,
run_hours = 66,
run_minutes = 0,
run_seconds = 0,
start_year = 2014, 2014, 2014,
start_month = 01, 01, 01,
start_day = 24, 24, 24,
start_hour = 00, 00, 00,
end_year = 2014, 2014, 2014,
end_month = 01, 01, 01,
end_day = 26, 26, 26,
end_hour = 18, 18, 18,
interval_seconds = 21600
input_from_file = .true.,.true.,.true.,
history_interval = 60, 60, 60,
frames_per_outfile = 1000, 1000, 1000,
restart = .false.,
restart_interval = 7200,
io_form_history = 2
io_form_restart = 2
io_form_input = 2
io_form_boundary = 2
debug_level = 0,
/
&domains
time_step = 15,
time_step_fract_num = 0,
time_step_fract_den = 1,
max_dom = 3,
e_we = 81, 100, 100,
e_sn = 81, 97, 97,
e_vert = 44, 44, 44,
eta_levels = 1.0000, 0.9940, 0.9900, 0.9860, 0.9820,
0.9780, 0.9740, 0.9700,
0.9680, 0.9640, 0.9600, 0.9520, 0.9420,
0.9320, 0.9210, 0.9060, 0.8930, 0.8760,
0.8650, 0.8560, 0.8450, 0.8341, 0.8225,
0.8103, 0.7948, 0.7746, 0.7494, 0.7133,
0.6742, 0.6323, 0.5876, 0.5406, 0.4915,
0.4409, 0.3895, 0.3379, 0.2871, 0.2378,
0.1907, 0.1465, 0.1056, 0.0682, 0.0332,
0.0000,
p_top_requested = 3000,
num_metgrid_levels = 26,
num_metgrid_soil_levels = 4,
dx = 9000, 3000, 1000,
dy = 9000, 3000, 1000,
grid_id = 1, 2, 3,
parent_id = 0, 1, 2,
i_parent_start = 1, 13, 60,
j_parent_start = 1, 22, 48,
parent_grid_ratio = 1, 3, 3,
parent_time_step_ratio = 1, 3, 3,
feedback = 1,
smooth_option = 0
use_adaptive_time_step = .true.,
max_ts_locs = 20,
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Try making "io_form_auxinput5" three zeros
The following link may help
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Hi all,
I have a new strain of EZH2 floxed mice that I need to genotype because I will create KO mice later, no one in our lab deals with it so there is no program for it in our thermocyclers.
This is the link in JAX website:
JAX protocol for genotyping has the cycling steps and temperatures, but they don't provide the timing for each cycle. They said that it should be optimized for your lab and reagents so they don't provide a specific protocol. I programmed a new program with the default timing in our thermocycler and it didn't work.
Attached is the protocol from JAX website, and I used these calculations to create my master mix, for every PCR tube:
12.5 ul of Green Mix (GoTaq® Green Master Mix, 2X),
9.5 ul of nuclease free water,
0.5 ul of F primer,
0.5 ul of R primer,
2 ul of DNA from my tail snips --> total volume per tube is 25 ul.
I didn't get any bands or very weak bands, the picture attached should be all positive, the first well is my NTC and the second one is my negative WT control. I checked my DNA concentrations in the Tail snips with the NanoDrop and they all had good concentration and absorbance.
My guess is that it's the PCR step that is the problem, any idea how can I find information and fix that? Especially the timing of each cycle and how to set it up.
Thanks a lot!
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Hi Ahmad,
just to check I am reading the results correctly your A260/230 values are in blue and are around 0.3-0.4. If this is the case then something is absorbing at 230 . If you are using standard dna prep kits they use a lot of thiocyanate to act as a denaturant. If you use too much crude lysate or not enough wash solution this thiocyanate can wash off with the dna and if the 260/230 is too low ( more than 2.0 is good) then this may denature the taq enzyme in the pcr leading to zero /poor amplification. If you are using a commercial kit try loading less tail tissue or doing an extra wash step before eluting your dna
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Dear colleagues, I am working on the problem of selecting the best time instants to buy an asset in portfolio active management by using machine learning. How is this problem called in the literature? Market timing? Are there other names? Can you suggest some recent and important references for this?
I am doing this by means of neural networks. Are there published works or softwares doing this?
Thanks a lot!
Renato
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It is highly likely that when you searched in Google Scholar for market timing you stumbled upon [1]. It states "it is said, the big gains are to be made by successful market timing."(p.60). This is with regards to the distinction of stock picking vs.timing under the assumption for efficient markets. I would focus on doing forward reference search(in cited by). To expand the search on timing I would focus on two things:
  1. Since 'the top or bottom of a cycle is only obvious after the fact (and sometimes long after the fact). Moreover, different analysts will identify different points as "'major" peaks and troughs of the market, even in retrospect'(p.61). Most traders would not implement the strategy done by the author of 'clairvoyant market timing' (p.61) so empirical research would be hard to come by (and also interest in it by itself). I would consider looking into "Predictive methods for guiding market timing decisions may include fundamental, technical, quantitative, or economic data"[4]. Also note that in [3] "Shorter review periods therefore appear to be more favourable" leading to seek indicators (Moving Averages, Moving Average Convergence Divergence,Relative Strength Index ) on which to detect the major peaks.
  2. How does market timing relates to efficient markets (look further than [1] on articles such as[2] that focus on forecasting in general).
[1] Sharpe, W. F. (1975). Likely gains from market timing. Financial Analysts Journal, 31(2), 60-69.
[2]Timmermann, A., & Granger, C. W. (2004). Efficient market hypothesis and forecasting. International Journal of forecasting, 20(1), 15-27.
[3] Firer, C., Sandler, M., & Ward, M. (1992). Market timing: A worthwhile strategy?. Omega, 20(3), 313-322.
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Dear researcher determination of reducing sugar from titration or any other method which is environmental friendly, cheap in cost less timing consuming and accurate method to determination of sorbitol analysis.
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Hello researchers!
Can anyone help explain each of the lines/curves exist in this figure about "detection of SARS‑CoV‑2"
let's discuss!
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@Majd Hello,
The lines in the figure represents few different parameters. One is the PCR detection of the viral nucleic acids in nasopharyngeal swab, fecal swab and bronchoalveolar lavage fluid. It shows that before symptoms the nasopharyngeal swab offer the best way to detect a active COVID-19 patient. This is followed by BALF and anal swab well into the symptomatic phase. The solid Red line shows that viral isolation from patients is possible only during the -1 and + 1 week of symptoms. The dotted lines primarily indicate the SARS CoV 2 antibodies that are detectable in the patients blood. IgA appears first followed by IgM followed by IgG.
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Does anyone have suggestions on the timing for asking medical students to evaluate a clinical OSCE station ? I'm a bit stuck between whether to get them to complete a written evaluation immediately (good response rate but may be biased by how they feel they performed) and sending an online survey out (poor response rate but less biased?). There doesn't seem to be much research in this area - unless I'm just not nailing the search terms. Thanks everyone.
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Hi,
Always immediate evaluation is better, as there are at least 5 stations and student's quick response will be their unbiased response. Delayed evaluation might be influenced by discussions by other students.
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I am currently interested about normal flora of the body (microbes), which are also involved in many diseases and aging, how can we control our diet or normal flora to maintain our health, as obesity is also linked, timing of food we eat also linked to normal flora. Chronobiology is also emerging field so thinking of it is essential part of sleep disorders and other chronic diseases.
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Trillions of microbes live in close symbiosis with their host and have impacts on various aspects of host physiology as well as predisposition to the disease. The endogenous clock is a highly conserved timekeeper able to align organismal physiology to the daily cycle, thus maximizing survival and fitness. Circadian rhythms coordinate whole-body biological processes synchronizing cellular biochemical reactions, tissue function and finally controlling systemic homeostasis. Kindly check the following RG link:
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The timing of the Quantitative and Qualitative Strands: Concurrent timing and Sequential timing
Concurrent timing occurs when the researcher implements both the quantitative and qualitative strands during a single phase of the research study.
Sequential timing occurs when the researcher implements the strands in two distinct phases, with the collection and analysis of one type of data occurring after the collection and analysis of the other type. A researcher using sequential timing may choose to start by either collecting and analyzing quantitative data first or collecting and analyzing qualitative data first.
But which The Sequential Design do you prefer? Qualitative-quantitative or quantitative-qualitative؟
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There are two main sources of information: primary and secondary data. Primary data is data that did not previously exist and is being collected by a marketer for the first time. Research related to the acquisition and analysis of primary data is called field research. Field research is divided into qualitative and quantitative. The former are based on the collection and analysis of non-numerical data. The latter are based on the fact that the behavior of people and their attitude to something can be expressed using numerical values.
Qualitative research methods are aimed at obtaining the most complete and detailed information about the object of study. The difference between qualitative and quantitative methods is that they do not focus on statistical assessments and measurements, but are based on the understanding, interpretation and interpretation of empirical data.
Regards, Sergey
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In Ehrlich ascites carcinoma model, we can measure the effect of specific drug on apoptosis by measuring the expression level of cleaved caspase 3 using western blot technique or it may be very difficult because the timing is very important for cleaved caspase 3 measurment due to its instability upon activation.
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Try to show both in the western blot data. If apoptosis is occurring there will be decrease in the expression of pro form with a concomitant increase in the cleaved form. This type of blot gives a better picture.
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Right method and timing of application of Urea is very critical to reduce loss of nitrogen by various ways. I am looking for proper timing of application, matching with irrigation in Vertisols.
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The timing of Urea application before the irrigation or after the irrigation means top dressing of urea. It is not the application of urea during the final land preparation. Usually top dressing is done before intercultural operation of a standing crop.
In dry condition the soil under vertisol is very strong and hard but in wet condition it is very sticky and exchangeable. If a vertisol maintains irrigation water in around its field capacity level in that case the top dressing of urea could be applied after irrigation of vertisols.
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I am wondering what current practices are for the timing of chest drain removal? I am looking at doing a study on the relationship to removal timing and the development of pleural effusions requiring invasive drainage. As has been my experience, drainage thresholds and removal times are fairly arbitrary and there is no real consensus on how much is too much. When you balance that against pain, mobility, atelectasis etc then you have to consider what risk is acceptable in waiting longer to remove them. I have seen protocols that use serous nature of drainage, vol based anywhere from 40mls in 4hours, to 150mls in 4 hours to 50 mls in 24hours (considering this is less than physiological production of fluid it seems extreme).
I would love to get peoples thoughts. I have seen one weight based guideline discussed but no published results.
Also, what are peoples general experience with incidence of pleural effusions significant enough to require drainage after OHS. My institutions sits at around 10-15% which is why we are looking to determine of drain removal timing can impact this number
Thanks
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the criteria for chest tube removal after cardiac surgery differs significantly among institutions moreover among surgeons in the same institution.
it always depends on the quality and quantity of the drainage. as well as BSA specially in pediatric population.
our formula is 5cc/kg/day for pediatric patient, and less than 150cc/day for adult.
this values are not valid for mediastinal tube particularly following pericardial drainage like in cases for tamponade, or ventricular injury, in this case we require an echo prior to removal to ensure no pericardial fluid.
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When working with Windows 10 and sometimes Linux, which stimulation softwares/toolboxes would you recommend for fMRI studies? So far, I have used Psychtoolbox on Linux, but I am wondering if better (and simpler) tools have been developed, yet not sacrificing timing precision.
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There was a thread a few years ago that discussed this topic
I suppose the discussion might be a bit dated now, but the comments still seem pretty relevant to me.
Personally I use Psychtoolbox on a Mac and I have a number of stimuli, so there is inertia against changing, so I have not tried PsychoPy. But in the thread that I mentioned above a number of people recommended PsychoPy, and being both cross-platform and free from Matlab is appealing.
Regarding timing precision, a recent paper compares various packages across the different operating systems. https://peerj.com/articles/9414/
Good luck
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After click Analyze Post-Place and Route static timing, the report summary says the following info:
Minimum period: 8.432ns{1} (Maximum frequency: 118.596MHz)
1、Now, my task is to better Maximum frequency, first I need to find the critical path, but I have the difficulty in identifying it in the timing report. Could anyone give me some guidance?
2、I have another question. What are the Timing Constraints in timing report for? Whether the critical path is related to the error constraint in the Timing Constraints?
The attached files give the detailed info about the timing report.
Thank you very much.
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In the design timing summary, the worst negative slack(WNS), which is highlighted click on it, after that it shows all the timing paths that are the intra-clock path and inter-clock path, it list paths based on timing requirement, the highest required is the critical path in the circuit.how to improve the timing performance based on the critical path.
Timing constraints are used to specify the timing characteristics of the design. Timing constraints may affect all internal timing interconnections, delays through logic and LUTs and between flip-flops or registers. Timing constraints can be either global or path-specific.
Take time to review the design timing analysis reports. Ensure that all paths are fully optimized. If paths are identified that are not meeting timing, make changes to adjust the way these paths are implemented.
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I am working with DC compiler. My design has some sequential elements (D-FF) which reset's on negative edge of reset signal input to the design. Is there a way to tell compiler that on power-on, initially my circuit will go through the reset?
Due to this all the FF's may be having different initial states, and I do not get the expected synthesis results in terms of the logic elements.
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I think you have stumbled upon a tool optimization feature.
In my synthesizer (cadence genus), I get two flops if I run it with low effort. In high effort, the logic becomes a single flop.
See my code (attached).
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Parameters like carrier frequency, symbol timing offset and symbol rate estimation in a single carrier system.
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Thank you so much Muhammad Ali sir. It is very useful for me.
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As an example, I suppose to keep the cycle 1 in 22 C for 5 mins while I kept it for 5 seconds.....42 C for 30 minutes while i only kept it for 3 seconds. I guess when I was entering the numbers in the machine, totally forgot the basic training steps. Should I throw away my samples and start again ?
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thank you very much!!! will re-do them again!!!
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Has anyone experiences with the Qiagen Epitect DNA bisulfite Kit and with precipitates in BL buffer? I incubated a flask of BL at 60°C for 3 hours, and precipitates are still there. I found information about temperature in troubleshooting, but there is no additional information about the ideal time of incubation.
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I used the same kit a few years ago and while using it never noticed something like that. In my case the kit worked fine while using DNA obtained from blood and tissue samples.
If possible i'll recommend you to contact the provider as soon as possible. Meanwhile, you could carry out some tests, but for that, methylation controls (completely methylated and unmethylated) are crucial, just as well-designed primers for unbiased amplification of DNA regions independently of their methylation state.
If you need further advice regarding this kit and or methylation assays, let me know. I have some experience with bisulfite sequencing and methylation sensitive restriction digestion.
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I am planning to stain lymphocytes on surface and intracellularly in whole blood. What's the better timing of RBC lysing? Before or after surface staining?
Big thanks for sharing!
Shiqiu
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Hi Alex:
Thanks for your information. I assume your protocol is the popular one most people are using. It should be better than that RBC lysing before than surface staining. I just want to see some supportive data if there are some.
Best regards
Shiqiu
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It has been noticed that while teaching various subjects having numerical, students are more receptive in the morning sessions(say before lunch),whereas in the post lunch sessions,they are not in a position to grasp the subject in a better way.I may be wrong,but we may start a fruitful discussion on this topic,it will definitely guide us whether to keep such papers in the before lunch sessions,or otherwise.
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Yes, teaching accounting is an example, preferably in the morning, because students are more accommodating of the subject
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Hello
Currently, I am working on a green energy project. We use solar as renewable energy, that powers small equipment. Actually, we plan to use timing sun tracker instead of solar lighting.
How to set up a timer for the motor to track the sun?
Any help would be thanks in advance
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Thank all of the answers, I will try one of them. Also, I will publish the experiment result of the question when it is done.
Best regards Paul Gerard Hussein A Kazem
Raj Vardhan Patel
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I have maintained CA50 at 9 degree after TDC and performed experiment.
I have assumed this to be my MBT timing for all the experiments.
Is this the right way of doing experiment.
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MBT timings using combustion descriptors vary with the type of fuels and also (slightly) with the engine design. So, we can not expect same MBT of pressure peak of 15 deg ATDC for CNG. I have published an article on this based on Hydrogen Engines. See if it can be useful.
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sudo scons FULL_SYSTEM=1 build/ALPHA/gem5.opt RUBY=true PROTOCOL=MOESI_hammer
./build/ALPHA/gem5.opt -d m5out/blackscholes --debug-flags=RubyCache --debug-file=trace.out.gz configs/example/fs.py --ruby --num-cpu=16 --l1i_size=32kB --l1d_size=32kB --l2_size=8MB --cpu-type=timing --restore-with-cpu=timing --script=run_scripts/blackscholes_16c_simsmall.rcS --checkpoint-at-end --kernel=/home/xx/gem5/full_system_images_ALPHA/binaries/vmlinux_2.6.27-gcc_4.3.4 --disk-image=/home/xxx/gem5/full_system_images_ALPHA/disks/linux-parsec-2-1-m5-with-test-inputs.img --max-checkpoints=5
i used debug-flags=RubyCache,
Actually , i need data for tracing data such as cache memory address, cpu number, Hit/Miss, and Write/ read? is that debug-flags=RubyCache correct or other flag?
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Hi there.
I suppose 500GB is fine! I mean, recall that there are a lot of instructions (including LW and SW ones) being processed into full-system simulation, thus, large trace files are expected.
Did you think about simulating small synthetic workloads using system call? Or perhaps the TraficGen from gem5 (never used it)...
What about restore the simulation from some checkpoint, just to get a ROI?
Try that options. It could help also if you wrote what you want to do with that experiment.
Sincerely
Matheus
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Transposons are considered to be one of the sources of genetic variations in plants, can trasposition activity during gamete formation decides the fate or fitness of the individuals carrying them and ultimately can they deviate the gene or genotypic frequencies of a segregating population?
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Mobile genetic elements, transposons in particular, play HUGE roles in increasing fitness of the carrier in a specific niche. Nevertheless, I have to highlight the discrepancy between horizontal gene transfer (AKA transposition) versus lateral gene transfer (from parents to offspring ) as these two are very different modes of sharing genetic information and I do not think you could get a highly accurate answer since mixing two already complicated and diverse genetic events would only give more unpredictable results.
To add, if the environment around these cells is at a state that would select FOR the mutants resulting from the transposition, then yes, these mutants would definitely thrive in the environment and possibly outnumber the wild type ancestral cells if the environmental selection stays persistent
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When i compute the time complexity of cipher text policy attribute based encryption CP-ABE . I found it O(1) by tracing each step in code which mostly are assignments operations. Is it possible that the time complexity of CP-ABE be O(1) or i have a problem. the code that i used is the following, where ITERS=1.
public static List encrypt(String policy, int secLevel, String type, byte[] data, int ITERS){ double results[] = new double[ITERS]; DETABECipher cipher = new DETABECipher(); long startTime, endTime; List list = null; for (int i = 0; i < ITERS; i++){ startTime = System.nanoTime(); list = cipher.encrypt(data, secLevel,type, policy); endTime = System.nanoTime(); results[i] = (double)(endTime - startTime)/1000000000.0; } return list; } public List encrypt(byte abyte0[], int i, String s, String s1) { AccessTree accesstree = new AccessTree(s1); if(!accesstree.isValid()) { System.exit(0); } PublicKey publickey = new PublicKey(i, s); if(publickey == null) { System.exit(0); } AESCipher.genSymmetricKey(i); timing[0] = AESCipher.timing[0]; if(AESCipher.key == null) { System.exit(0); } byte abyte1[] = AESCipher.encrypt(abyte0); ABECiphertext abeciphertext = ABECipher.encrypt(publickey, AESCipher.key, accesstree); timing[1] = AESCipher.timing[1]; timing[2] = ABECipher.timing[3] + ABECipher.timing[4] + ABECipher.timing[5]; long l = System.nanoTime(); LinkedList linkedlist = new LinkedList(); linkedlist.add(abyte1); linkedlist.add(AESCipher.iv); linkedlist.add(abeciphertext.toBytes()); linkedlist.add(new Integer(i)); linkedlist.add(s); long l1 = System.nanoTime(); timing[3] = (double)(l1 - l) / 1000000000D; return linkedlist; } public static byte[] encrypt(byte[] paramArrayOfByte) { if (key == null) { return null; } byte[] arrayOfByte = null; try { long l1 = System.nanoTime(); cipher.init(1, skey); arrayOfByte = cipher.doFinal(paramArrayOfByte); long l2 = System.nanoTime(); timing[1] = ((l2 - l1) / 1.0E9D); iv = cipher.getIV(); } catch (Exception localException) { System.out.println("AES MODULE: EXCEPTION"); localException.printStackTrace(); System.out.println("---------------------------"); } return arrayOfByte; } public static ABECiphertext encrypt(PublicKey paramPublicKey, byte[] paramArrayOfByte, AccessTree paramAccessTree) { Pairing localPairing = paramPublicKey.e; Element localElement1 = localPairing.getGT().newElement(); long l1 = System.nanoTime(); localElement1.setFromBytes(paramArrayOfByte); long l2 = System.nanoTime(); timing[3] = ((l2 - l1) / 1.0E9D); l1 = System.nanoTime(); Element localElement2 = localPairing.getZr().newElement().setToRandom(); Element localElement3 = localPairing.getGT().newElement(); localElement3 = paramPublicKey.g_hat_alpha.duplicate(); localElement3.powZn(localElement2); localElement3.mul(localElement1); Element localElement4 = localPairing.getG1().newElement(); localElement4 = paramPublicKey.h.duplicate(); localElement4.powZn(localElement2); l2 = System.nanoTime(); timing[4] = ((l2 - l1) / 1.0E9D); ABECiphertext localABECiphertext = new ABECiphertext(localElement4, localElement3, paramAccessTree); ShamirDistributionThreaded localShamirDistributionThreaded = new ShamirDistributionThreaded(); localShamirDistributionThreaded.execute(paramAccessTree, localElement2, localABECiphertext, paramPublicKey); timing[5] = ShamirDistributionThreaded.timing; return localABECiphertext; } } public ABECiphertext(Element element, Element element1, AccessTree accesstree) { c = element; cp = element1; cipherStructure = new HashMap(); tree = accesstree; } public void execute(AccessTree accesstree, Element element, ABECiphertext abeciphertext, PublicKey publickey) { pairing = publickey.e; ct = abeciphertext; PK = publickey; countDownLatch = new CountDownLatch(accesstree.numAtributes); timing = 0.0D; double d = System.nanoTime(); Thread thread = new Thread(new Distribute(abeciphertext, accesstree.root, element)); thread.start(); try { countDownLatch.await(); long l = System.nanoTime(); timing = ((double)l - d) / 1000000000D; synchronized(mutex) { } } catch(Exception exception) { exception.printStackTrace(); } }
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That's a hardware issue and nothing else. Best, T.T.
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To my knowledge, during this Archean, the crust experienced a marked change in composition from sodic TTG assemblages to medium- and high-potassium calc-alkaline granite-granodiorite suites and sanukitoids . The specific timing of this change varies from craton to craton and is accompanied by significant changes in geodynamic settings associated with crustal thickening and reworking that contributed to the final stabilization of the cratons.
I have some samples that synchronous TTG gneisses and potassic granitoids in the given region? anybody know studies about this ?Many thanks in advance for sending me messages about this.
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this paper is a good place to start:
Martin, H., Smithies, R. H., Rapp, R., Moyen, J. F., & Champion, D. (2005). An overview of adakite, tonalite–trondhjemite–granodiorite (TTG), and sanukitoid: relationships and some implications for crustal evolution. Lithos, 79(1-2), 1-24.
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I'm a researcher interested in wireless medium access control (mostly IEEE 802.11), where it's often necessary to understand the timing relationships between message transmissions. I usually draw something which is a merger of two UML diagram types: message exchange sequence diagram and timing diagram. An example is the attached figure, also available at ns-3's gitlab: https://gitlab.com/nsnam/ns-3-dev/issues/41#note_157372618
I drew this using LibreOffice Draw (obviously Visio would have worked as well), but in order to present everything to scale, I had to manually adjust block widths. Are there tools for drawing such timing diagrams of a message exchange?
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???
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That would be around 3 weeks, depending on the severity of the pancreatitis; after the serologic level of amylase and lipase have normalized and the CT scan have revealed remission of the acute pancreatitis.
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A Whipple for what indication? Pancreatic cancer?
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i need help in egg incubator ventilation rate (CFM) the fan speed the hole size  and heating calculation and egg turning timing (3 or 4 time per day for how long and which speed 
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Dear respected Ashrf Abdel Galil Anwer,
Please check my article on "Development of Solar Powered Poultry Egg Incubator for South West Nigeria". It can be of help..
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Hi eveybody,
I saw that several protocols for the analysis of nitrogen wet deposition prescribe the analysis of the collected samples every week.
Would it be fine to perform the analysis of the collected sample every 2 weeks? Are there protocols supporting this timing?
Thanks,
Alberto
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@ Alberto, please have a look of the attached files.
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What time of the day produces the most interesting / important ideas?
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Frankly, I find that the times I spend with people with respected mental abilities, I get in these times a lot of achievements regardless of hours of day ... and vice versa if I was with persons who generate negative feedback inside the soul.
Regards.
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My independent variable is the timing of video clips display:
- at the beginning of the lesson
- in the middle
- at the end of the lesson
My dependent variable is developing listening skills. 
I have 3 classes of grade 1 to apply the experiment on..
But I am not sure if this is possible or there is something missed..
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If the dependent variable is quantitative, you can use ANOVA in this case.
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Laminar and turbulent flame speed
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Thanks so much
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Suppose you have an outcome that occurs at a certain point in time. You also measure a certain lab and you want to see if it is associated with the outcome; however, this lab is measured daily and you are interested to see if the value of that lab on the day of the occurrence of the outcome is important. Aside from choosing the median time of when the outcome occurred, how can you determine when (or which) value you want to choose for the control group?
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Thank you Mohamed-Mourad Lafifi for the information; however, I did not find an answer to my question in them.
Khaled
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Climate change is evolving as one of the leading environmental problems facing modern world. A serious threat is to the crop sector which is vulnerable to change in temperature and rainfall. Extremes in climate variations are increasing and threaten the security of our livelihoods and assets. Long term changes result in both creating opportunities and threats to crops and farming systems and timing of sowing and genotype selection affecting farm production. Therefore it is important to learn to live with these changes, make use of the opportunities and deal with the threats to prevent losses. This study documented different researcher’s results regarding sowing dates and genotype selection. The results indicated that both sowing dates and genotype has a key role in final crop productivity. The study suggested that sowing dates and genotype selection are to be adjusted according to changing climate to minimize losses.
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Good question, following .
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I'm currently working on an experiment involving playing audio stimuli and recording EEG data simultaneously. The issue is that I don't currently have access to a stimulus tracking device that (from my understanding) would place timestamps into my EEG data so that I can know exactly where each stimulus presentation lines up with it. Is there any way to do this that doesn't involve the expenditure of $500-$2000? What is the cheapest way to be sure of where my stimulus presentations line up with my EEG recordings?
Thank you in advance for any wisdom or experience you might have to share!
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Easiest and cheapest? Just use one channel of EEG as a sound recorder and analyse all together on common waveforms
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This will help us in understanding more about soul
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In celestial religions, the soul is the business of God, the soul will come out by the mouth to death and for the coming of the soul from God, it is said that it is the fourth month of the fetus.
As far as by what path it will enters and how to feel it, I have not any information, ..... Maybe when the fetus starts to move?
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The question is related to timing of a distributed system.
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The drift on each node vs. another node can be substantial. Good practice is to program in a way that no absolute clock is needed. Often a periodic event can be used as a clock tick and then distributed to trigger the processing. Each event (for example, use a sensor trigger) then resynchronises the system. If there is a specific need for high timing accuracy, then hardware support is needed. E.g. the common event is applied to all interrupt pins. Note that the software itself (if once uses a COTS OS like linux) is often inducing much more deviation. In principle Rate Monotic Scheduling with a shared synchronising event should make the system fairly drift immune. On modern processors, microsecond accuracy is reachable.
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Thermal injuries of bile ducts during laparoscopic cholecystectomy have been mentioned in several classifications.
Nevertheless, they are not divided on types? timing of diagnosing? clinical manifestations.
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Dear Om Prakash.
Thank you very much. Each surgeon always trying to do his/her best for each patient.
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I am a registered nurse. In GP/community/non-acute hospital settings, we often advise patients to take oral antibiotics e.g. Augmentin 3 times a day at convenient times to promote compliance (usually take them during breakfast, lunch and dinner). Having said this, it would mean there is a big gap during the night time. How does this effect on the antibiotic's steady state and serum therapeutic level?
As for intravenous antibiotics, timing is very crucial; however, there are times that when you get 5-6 patients, it can not be given on time. What is your recommendation in terms of timing? I seriously believe that the 30-minute rule is just fine. If you can't give it really on time, giving it 30 minutes before and after is acceptable, but one-hour-window is way too early or too long and is such a risk for losing the minimum inhibitory concentration.
What are your thoughts?
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I would advise my patients to administer their oral antibiotic doses based on clock, which means taking their doses every 6 or 8 hours according to the regimen. This is the best way to keep serum level constant. It is the same way how IV works. But in acute disease states i can accept up to 1- hour deviation from normal regimen, this wouldn't affect much MIC. I guess advice should be focused on drug-food interactions which might affect serum level greatly.
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Dear Colleagues,
I have an interesting question for you and would like to request you to share your opinions/views/perspectives.
How can an Open Access journal receives acceptability and respect equivalent to a traditional respectable periodical among the authors.
i would like to mention the following points as an author who wants to publish in a genuine journal.
1.Charges should be genuine
(Let me know how much is appropriate according to you as it differs from $150 to $5000).
2. Proper review process should be followed.
3. Proper timing should be maintained.
Now, here is the crux, review will definitely take some time (I guess at least 3-6 months on an average ).
Are we ready to be patient for that period or a quick review (1-2 months) is fine?
Your valuable opinions are appreciable.
4. How much do you feel Impact Factor is important to prove the genuineness?
(Please rate on a scale of 1-10, 1 being the lowest and 10 being the highest).
5. How much do you require the indexing in various leading services and why you need so?
(Please rate on a scale of 1-10, 1 being the lowest and 10 being the highest).
As an author, please share your points which you believe should be the criteria for a journal to be respected and genuine.
Awaiting to witness some excellent comments.
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Before making any investment, it is essential to take into consideration the scientific quality of the journal and its academic reputation. Sometimes it may be worth the investment, especially if your institution is ready to support it.
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Dear all
I am in need of electromagnetic actuator for controlling valves of an engine which have regenerative capability. I am looking for any commercially available products which can be used for this purpose. We will be using it for developing variable valve timing mechanism. Please let me know if anyone can help me in this regard.
#VVT
#Variable valve timing
#electromagnetic actuator
#regenerative capability
#IC Engines
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Basically any pull magnet should do. Although temperature- and force-challenges are non-negligible.
I personally do not know of any ICE with fully-electromagnetic valves. If you know about one, you could try to get valve spares of one of these engines.
The timing and the power required to drive the magnet is "your problem": this has to be provided by the ECU - current as well as the whole timing.
The beauty of the cam-driven valves is that the timing is somewhat variable, but the requirements on the ECU to modify the timing are small: in the classic (hydraulic) approach, the ECU only controls a (quite slow) control loop realizing an angular displacement of the cam shaft (vs. the reference position). All the valve timings are the result of this displacement and fixed in their relation to each other.
A fully-electronic control is different: "anything goes", but all timings depend on the ECU's correct workings. And a simple 4-cyl. engine has 8 valves that have to be controlled individually. Making 8 high-power outputs.
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I am using Matlab R2018a with Simulink and Embedded Coder together with DRV8312 development kit. I was able to set up LED blink, generate PWM signals, use SCI communication and also I successfully run ADC-PWM Synchronization via ADC Interrupt example. All the outputs were correct and everything behaved as expected.
My problem is that all my programs after loading to target processor only execute for few minutes (lets say from 2 to 5 minutes) and then suddenly stop to execute. According to profiling, everything seems to be all right and there are no timing issues.
Could you please provide me with some direction about where to look for the solution? Why all my programs stop executing?
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Dear Marton and dear Apartna, thank you once again for your comments.
We have done debugging of automatically generated code with my colleague Viktor Šlapák. Code was generated correctly, but in one line (this line was different for different examples of generated code) the code for no reason didn't jump to following line but instead jumped out of available memory every time.
Fortunately, we have more than one DRV8312 kit, so we tried another kits. These were running correctly without stopping. I did many of different tests, but execution is stopping only with that first one kit which is probably somehow damaged. To conclude, we guess it is a hardware problem.
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This research is based at a semi-urban setting of Nepal. Most of the population is busy throughout the year in agricultural production. However, the technology is seldom used except some equipments in the field. The cost of production, if compared, is higher than that of the produce. Field observation reflects that the change in season pattern, flowering and ripening pattern, crop growth, production and harvesting timing have changed.
I would like to apply qualitative research methodology in this study. So, I would be grateful to have insights from researchers working or having knowledge/experience in this field.
Thanks.
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In LTE, given that a device is static (non mobile), is it possible to use the same Timing advance value for all transmissions from that device for the same eNB?.
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Dear Thilina,
welcome,
The advancement of the up link packets with twice the propagation delay time beween the enode B and the user equipment is to align the received frames at the enode B with the down link transmitted frame at the time slot n+1. So if the channel is static and does not change means that the propagation delay time is not time varying and one can keep the advancement time constant so long as this conditions prevail.
For the definition of the advancement time, please follow the link:http://howltestuffworks.blogspot.com/2014/07/timing-advance-and-time-alignment-timer.html
Best wishes
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H1N1 infection in pregnancy, improving fetomaternal outcome
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If you are pregnant or have given birth within the last two weeks and think you have the flu (influenza), call your health care provider right away. It's recommended that you take an antiviral medication, such as oseltamivir (Tamiflu), zanamivir (Relenza) or peramivir (Rapivab), as soon as possible. This type of medication, available by prescription, is most effective when taken within 48 hours of the first symptoms — although benefits are still possible if the medication is taken up to four to five days after symptoms start. Taking antiviral medications can prevent serious flu complications, such as pneumonia. Although it's important to be cautious with any medication during pregnancy, research suggests that the benefits outweigh the potential risks of antiviral medications to treat flu during pregnancy. Your health care provider might recommend oral oseltamivir because it has the most studies available to support its safety.
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All protocols I have come across for DNA extraction list incubation temperatures and times as specific eg, incubate at 50 degrees for 2 hours. These do not specify any tolerance.
The method I have been given to use specifys tolerances of +/- 3 degrees for temperature and +/-5 mins for time.
Do you think these are really relevant? Would the tolerance have an effect?
It appears that no other company has these tolerances and why is this?
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Hey Lisa,
It depends a lot of the samples you are working with. For example, when you work with fresh tissue sometimes 2 or 3 hours is more than enough, but if you are working with bone, insects, tooths or other samples the time might be longer. I have left my samples for two days at 32 degrees. The key point is that your sample completely dissolved or almost dissolved, the proteinase k usually present in the lysis step is activated ad 32 degrees and holds up until 60 degrees. So, If your sample is completely dissolved then 2 hours are enough, if not maybe extend the time.
Bess wishes
Silvia
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Is natural environmental weather (temperature, humidity, day timing; change according to weather) necessary for human health & development, in comparison to air-conditioned environment (constant Temperature, Humidity)?
As we know that plants require different weather for their secondary growth, leaf fall etc similarly does human body and biological cycle also require all weather for development and fitness because at present we adopting air-conditioned environment?
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Kamal's answer is essential. To be more precise: especially in younger ages (childhood, teenager times), the immune system of a human, as it develops, learns to "acclimatize" to the different weather situations in which that human lives or what experiences. This can be "spanned" to risky: for example, if a child is often in the cold, he can get easily ill at the first times but later that cold won't set him ill. This is somewhat similar effect to those of vaccinations. Of course, some negative effects are also possible. But consider that those who are irritable by some extreme types of weather, mainly in older age, are suffering (often hiddenly) from some health anomalies which can cause diseases in extreme weather.
Just to mention, I'm mainly a meteorologist and my knowledge in biometeorology is not the best. I think that your question is too general to give a simple answer; it can be seen from many aspects like the area where people lives, the social situation (how much they live in a natural or built environment, air quality effects etc.), possibly climatic effects, agriculture, etc.
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I recently submitted an article to The Qualitative Report. I am very interested in how they process articles as they noted that they have a low rejection rate and they try to think of authors and mentors in TQR as a research community who work together to bring out the best in their works (see https://nsuworks.nova.edu/about.html). However, it is about two months that I do not get anything from the TQR. I tried to contact the editor but it seems that my emails were not read. Although two months are not long for peer-review of a qualitative paper, I'm a little bit worried about the timing. I wanted to ask if anyone has submitted to the journal before and if so, I appreciate if they inform me about their experience.
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I received the first decision from the TQR yesterday, they congratulated me for acceptance into their Manuscript Development Program (MDP) which means that "the editorial team assigned to your paper has dedicated themselves to work with you to revise your manuscript until it is ready for publication in The Qualitative Report (TQR)". They have sent back my manuscript with their comments included in the Word file. The reviewers are known (I can see name of comments' authors) and their attitudes and remarks are generally positive. They asked me to do some changes in my paper and resubmit the paper to be reviewed for the next round. So far, the experience was really positive and I'm looking forward to it becoming even better. So I can recommend submitting qualitative research papers to TQR.
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Hello every one can some one share best protocols about the spatial root distribution (horizontal and vertical), root architecture and other root related indexes (root weight, density, activity etc) in inter cropping system, and also suggest the best timing for collected these parameters? Hope all the related field researchers will help and share their valuable suggestions
Thanks in advance
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Dear Sir Check out Pennsylvania State University Dr. Jonathan Peter Lynch he is a wonderful root specialist. Look for an article on shovelnomics in which the details of root systems are holistically compared. I think his methodology is very conclusive. I would suggest during the whole root system analysis in single crops and in their mixtures to look at how the interactions compare. The ability of mycorrhizal fungi to interact with such approaches probably has not be investigated thoroughly and would have potential importance to these interactions. Good luck on your studies!
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I need to test the timing of stimulus (audio and visual) presentation, duration and synchrony for a cognitive science experiment. Any help in this regard appreciated. Thank you.
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Thank you Huw Swanborough. The experiment involve multisensory synchrony judgment task, stimuli(Audio-Visual) presented with variable SOAs ranges from 0 ms to around 300ms with 16ms(approx) steps and participants asked to judge whether two events are in synch or not. I use psychtoolbox for stimulus presentation and wanted to verify SOAs externally. It seems digital oscilloscope could also be used for the same purpose as BBTK toolkit (mentioned in the link you have shared). I am looking for ways to how to use digital oscilloscope for the stimulus timing measures. Please let me know, if you have any suggestions on this.
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Is there any method to form a fungal-bacterial biofilm in column bioreactors-media, strains, timing, previous (co-)cultivation...?
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Sir you can use the Exopolysaccharides produced from bacteria and fungi use as biofilms and create a biofilm of EPS before cultivation.
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In total body PET/CT scanner how can we compare the appropriateness and Justification of image quality with timing?
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Anyone out there, please help me with this. I can't understand what vertical delay values are used here and how to put that in the matrix ?
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thank you so much sir
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please share specs of Diesel engine single cylinder engine
controlled injection timing
variable compression ratio
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Specifications of the Engine Fleet, Manufactured by Cussons Technology, Manchester, UK, 2010
Engine Type
4 cylinder in-line DOHC Duel Mass Flywheel
Number of Valves
16
Block
Aluminium
Head
Aluminium
Horse Power
81 kW(11OPS) at 4000 rpm
Torque
240-260 NM at 1750 rpm with transient over boost
Displacement
1560 CC
Bore
75mm
Stroke
88.3mm
Compression Ratio
18:1
Alignment
Transverse
Weight
107 kg
Dimensions HXLXW
600X500X580mm
Source: Cusson’s Manual (2010)
EXHAUST GAS ANALSER
The IMR 1400 combustion gas analyser, 2014 model, manufactured by Environmental Equipment Incorporation, Central Avenue, St. Petersburg, Florida, USA
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Some protocols suggest heating, others cooling. Should the lysis buffer be ice cold? Is scraping the bottom of the plate necessary?
One protocol suggests using Laemmli buffer in place of lysis buffer to eliminate the spin down step and thereby keep nuclear extracts in the lysate. Is this valid?
What lysis protocol have you found to work best for a western? Specifically, what is most important in terms of temperature, timing, and buffers to get a good lysate?
I am conducting westerns on hepatocytes of human origin and trying to detect a protein between 20 and 30 kD.
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Try RIPA buffer to make perfect cell lysate.
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Different opinions arose in the last few years about the timing for operating chidren with congenital esotropia? What do you suggest and why on the basis of strong scientific evidence?
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1. The CEOS found that infantile esotropia persists in 98% of infants who have large-magnitude (≥20° or 40 PD) constant esotropia with onset after 10 weeks of age and refractive error ≤3.00 diopters. Thus these patients will benefit from early surgery.
2. Go through doi:  10.3129/i08-115 , Wong et al. The protocol attached is from this study.
3. The ELISS study (early vs. late infantile strabismus surgery study) also reported that children operated early had better gross stereopsis at age six as compared to children operated late .
4. Rule out an unstable angle of deviation and a paralytic component, then do early surgery for chances of stereopsis. This study also confirms the same.
Hirabe H, Mori Y, Dogru M, et al
Early surgery for infantile esotropia
British Journal of Ophthalmology 2000;84:536-538.
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Timing of irrigation is very sensitive to crop growth and development. Is there any potential impact of RDI or PRD on crops? Let's discuss about RDI and PRD.
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Regulated deficit irrigation and partial rootzone drying have great potential to contribute to an increasingly water-efficient horticulture. PRD is better because deficit irrigation where deeper uppermost wet/dry zones are spatially separated and PRD timings are flexible.
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Recently I designed new filter, I want to check its ability against ISI and timing error. But I faced difficulties for this, I need help from who has experience in this field ... Thanks in advance for your support ...
+ Attached file discuss a method for BER calculation but it is not enough clear for me to apply.
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To get a precise answer on the attached article, please try to search for the author which his name is Norman C. Beaulieu as appeared in the paper. Then if he has an account on Research Gate try to follow him or just simply message him and I'm sure he will give you a clear explanation on his work better than any other person......Best luck
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I am emulating the memory, added read and write timing. I want to see the performance diagram at different times.With the second code, I can extract different moments.But the final time -- current graph of the two pieces of code is different, which is confusing to me.I need your help.
Thanks a million.
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Dear Gan,
try avoiding to usa a comma between 0 and 6e-8 within the "range" command option.
If this will not fix your issue, maybe there's something different in other parts of the code, since I don't think that the "MinStep" and "MaxStep" can justify the different I(t) plots you observe.
Marco
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I usually use 20 minutes and 1% agarose gel but the DNA ladder didnot separate into its repective bands.
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Dear Abdul
Use 1% 0r 0.8% agarose gel with a voltage of 80 for 1h or 45 minutes.
Regards
Babak
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  • The Cumulative Sum (CUSUM) can be applied to detect some potential signal shifts (Carslaw et al., 2006; Andersen et al., 2009).
  • A CUSUM procedure is developed by plotting the accumulated residuals between a measured variable and is used to test whether there is evidence that the residual time series is nonstationary or inhomogeneous.
  • The change point can be calculated by interpretation of CUSUM chart.
  • However, bootstrap analysis is done to ascertain the confidence level to quantify the mostly likely timing of change and to estimate the uncertainty associated with a change point.
  • The following link gives information about CUSUM and bootstrap process: http://www.variation.com/cpa/tech/changepoint.html
  • I performed bootstrap in MATLAB using the command: [bootstat,bootsam] = bootstrp(...) which was used as [bootstat,bootsam] = bootstrp(1000,@mean,A) to generate 1000 resamples with mean function for the data vector [A].
  • But the confidence level estimated from these 1000 samples (using the example data set in above link) was found to be very low! That's what is making me confused regarding application of CUSUM method. Please if anyone can help me out!
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you may look read the paper on following link for easy bootstrapping process
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Dear All,
I am working on Laser Welding of DP 600. In order to reveal the microstructure across the weld zone and HAZ, I am following two stage etching technique (as LePara etching is not working on weld zone). First stage is etching with 4% picric acid and second stage is 10% Na2S2O5. During Second stage etching, lot of etch pits are forming on the surface. The timing has varied from 10 sec to 1 sec. Also concentration of Na2S2O5 has also changed from 10 % to 1% . Still finding the same problem.
Can somebody help me out to overcome this problem or suggest me other suitable technique to reveal the martensitic structure apart from Nital etching.
Thank you
Lakshminarayana
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Thank u for your suggestions . i will workout on this.
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What is the importance of tumble ratio in a GDI engine. In my study i can see variation in tumble ratio for different injection timings.
Tumble ratio at what point is more relevant. Either spark or while mixing.
Can anyone suggest me some good references regarding the same.
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TR is the ratio of angular speed of flow in certain direction after injection to crank shaft is the angular speed of crank shaft which represents the strength of bulk fluid motion in the engine cylinder. The TR governs the mixture formation and availability of combustible air-fuel mixture near the spark plug The high pressure fuel injection certainly disturbs the bulk motion of the in-cylinder flow. For constant 𝝫 and spark timing the effect of fuel injection pressure on bulk motion of air is negligible because of symmetrical positioning of fuel injector holes about the axis of the injector. TR does not vary much till cerain crank angle degree and for higher combustion chamber volume reduces, which restricts incylinder fluid motion and thus TR reduces. TR is higher at higher engine speeds during the fuel injection phase because of higher piston velocity at higher engine speeds which helps tumble motion.
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looking at rate of natriuresis following salt load in normotensives and hypertensives. Human or animal studies...
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Hi Khitan, very interesting question. Natrieuresis depends upon plasma ANP, renin and aldostetone level. Following articles might help you.. Thanks
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Can injection timing affect incylinder temperature at the time of combustion in a GDI engine. If so can it have influence on NOx formation in GDI Engine.
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Yes, it will affect the temperature and the NOx formation, but the effect will be different from that in a CI engine, because in GDI, injection is caused by the spark, rather than by auto-ignition. Given below is what is a likely scenario...
Assuming the spark timing remains constant, the major influence on injection timing will be on the air-fuel mixture distribution. With very advanced timing, it will be more homogeneous everywhere, while the stratification will increase upon retarding the timing, most probably resulting in richer mixtures near the spark plug. The NOx formation in a spark ignition engine peaks for slightly lean mixtures - for equivalence ratio (phi) between 0.9 to 1. Therefore, whichever injection strategy maximises the occurrence of this band of equivalence ratios is likely to result in more NOx. In other words, the mean equivalence ratio will be around 0.9 - 1.0 for this timing. This timing will depend on the overall equivalence ratio. Assuming the overall equivalence ratio is 0.9, advancing the injection, will give more NOx, as it will provide better homogenisation with most of the mixture at the the equivalence ratio of 0.9. If the overall equivalence ratio is 0.3 say, a relatively retarded timing will give more NOx, because early injection causes over-leaning and less NOx, while late injection will result in zones where the equivalence ratio lies in the range 0.9 to 1.