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Answer added in Fluorescence Spectroscopy11 PMMA film emission spectrum under blue excitation?I use various bandpass filters, from 10 nm to 40 nm wide centered in the region 650..670 nm. I use an EM CCD camera for detection so it is sensitive e... [more]
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Answer added in Organic Synthesis84 What are the best reagents to reduce aromatic nitro to amine? Does anyone have suggestions other than Raney Ni, Pd/C, Sn/HCl, Fe/HCl?For my experience, Ireduced p-nitropheno to p-aminophenol using CaCl2 (0.6g dissolved in 1ml water) /Zn (1.8g) for 1.2 g of the p-nitrophenol: reflux... [more]
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Answer added in Cognitive Linguistics177 What is the role of language in thinking? Do we think using language, or do we only use language to express already made thoughts?Thanks Louis (and Ana) for such wonderful quotes/thoughts; I think each of us can imagine residing in a sandstone cave and – in time – seeing an i... [more]
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Answer added in Nanomaterials13 Could anyone explain how graphene oxide, which is negatively-charged, can become positively-charged when nickel nitrate is added to the GO solution?Douglas, Co3+ could be stabilized only by high-field ligands. GO has only -CO2H groups and other O-containing low-field stuff. I have very big doubts ... [more]
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Answer added in Soil Science2 Water quality can improve with help of magnetic treatment ?Yaa, with limited success that too for substances having afinity to magnet.
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Answer added in Gender Studies19 Gender differences in moral identity?Gulcimen: As I have not found it reasonably convenient to access this document, it is difficult to assess its nature or relationship to moral identity... [more]
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Answer added in Video Game Design10 How are others gathering psychological data from video game play for studies not conducted in person?If you're looking to track player-generated control data or motion of actors in game-space over time, we use a customized version of the Unreal Develo... [more]
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Answer added in Geometric Morphometrics6 Is there any (open source) software in which I can set 3D-landmarks also inside structures and not only on the surface?You can also try MorphoJ (http://www.flywings.org.uk/MorphoJ_page.htm) and the various packages available from James Rohlf's website (http://life.bio.... [more]
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Question asked in Thin Films and NanotechnologyNew How do i evaluate the optical constant:n.k for very thin film where intereference fringes are not observable using only transmittance data.Free fitting software or spreadsheet are welcomed.
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Answer added in Computational Intelligence5 rough set codeMany many thanks Dariusz for your kind help...I am going through your thesis and in case of any problem I will write back to you. Thanks again...
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Answer added in Academic Writing11 Sexist writing: how to avoid it?It happens that "we" technique is also used to avoid "sexist writing"! "When a student writes a paper, he must proofread carefully." can be rewritten... [more]
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Answer added in Programming Languages33 Does anyone have any suggestions for a good book on Python ? Thanks!I have seen a book "Non-programmers Tutorial for python 2.6
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Answer added in Proteins4 What's a good non-coordinating buffer at pH ~5.5 for proteins that are involved in metal cation complexes?Thank you so much, you have all been a great help!
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Answer added in Methods179 How to manage my references (pdfs)?Mendeley. Free and easy to manage/organize pdfs
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Answer added in Power Electronics7 Why are we not considering the total output voltage in Sine-PWM Inverters?Ok so what you appear to be referring to are the harmonic components. One could do a Fourier Analysis to do this as has been done in the past where pr... [more]
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Answer added in Material Characterization38 Can anyone clarify the difference between Grain size, particle size and crystallite size?Abdulla, please be more careful when you respond. respect yourdelf. Please read carefully what Dr. Matteo Leoni wrote to you. And if you think the que... [more]
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Answer added in Pattern Recognition2 How can I display area which has maximum number of edges in image using matlab?Thanks Dariusz to your interest, I have an image and i want to segment part of it which has max number of edges
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Answer added in Moral Philosophy25 Do Objective Moral Values (OMV's) exist? If so, what is their nature? If not, why are we so inclined to act as though they did?Chris. I agree that there are no OMVs. Value is culturally and individually relative. I was not suggesting, of course, that anyone was personally... [more]
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Answer added in Nutrition4 Does anybody have information and documentation about zinc deficiency and nervous disorder?Thanks a lot Geir. I wait for the article about "The Role of Zinc and Copper in Autism Spectrum Disorders" with impatience. I plan to publish an art... [more]
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Answer added in Wireless Communications20 How many publications are expected by a PhD student during the PhD program?In summary my point is "quality" not "quantity" should be in the aim of all scientists.
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Question asked in organic pelletsNew Why organic pellets fermented?pellets of mushroom compost fermented in bags, WhY?
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Answer added in Clinical Ethics15 Is it necessary to have consent when conducting a retrospective study? If yes, from whom?Yes. According to the Helsinki declaration approval by a research Ethics committee is needed for a new clinical survey (human). Thus, even if the form... [more]
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Answer added in Biology7 Should self-citations have any value for quantifying the impact of a publication?I am one of those doing 'new' research and my opinion is that I have an absulute need to make self-citations to my other publications as they present ... [more]
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Answer added in Biochemical Engineering100 Is the relation between OD reading and cell concentration (cells/mL) of bacteria different in various culture media?At least in the well-studied Escherichia coli and Salmonella typhimurium, where cell mass per number of oriC's at the time of replication-initiation i... [more]
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Question asked in Stereotyped BehaviorNew Can stereotypy be considered as one type of dyskinesia?Following that, then would one expect mechanisms to be similar for both stereotyped movements (e.g. Those seen on amphetamines or cocaine) and dyskine... [more]
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Answer added in Water Quality11 Is it possible to add magnesium chemicals in community water supplies where water resources are poor in magnesium?Hello Ingo, I would like to have more information about chlorophyll of green vegetables. I am working on the relationship between water hardness and c... [more]
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Answer added in Soil Analysis20 Standard soil texture analysis: review on methods and classification systemsLook at STN 72 1001 - this is also a real standard (Slovak Technical Standard), but the fraction intervals are different: 0.002-0.063-2.0! At our depa... [more]
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Answer added in Economics97 Return to Keynes, is it sufficient?Dear Milos: Thank you for the clarification on culture and choices in the market place. I do have a problem with Fukuyama's argument. I think th... [more]