Science topics: Expeditions
Science topic
Expeditions - Science topic
Usually refers to planned scientific data-gathering excursions.
Publications related to Expeditions (10,000)
Sorted by most recent
Five-axis machining, especially flank milling, is popular in machining thin-walled freeform surface parts with high energy consumption. Reducing the machining energy consumption is paramount for advancing green manufacturing. Therefore, this paper proposes an energy-efficient integration optimisation of cutting parameters and tool path with hierarc...
In today's educational landscape, the online examination system has become crucial, particularly due to the challenges posed by the coronavirus disease 2019 (COVID-19) pandemic. Despite its advantages in expediting result dissemination and reducing resource consumption, online examinations face significant security threats like leakage, cheating, f...
This study employs a unique dataset of A-share listed companies from 2007 to 2021 to investigate the impact of government environmental attention on enterprise digital transformation (EDT) and its underlying mechanisms. Empirical findings document that in response to upholding organizational legitimacy, government environmental attention remarkably...
To accelerate the early development of superior apple varieties, it is crucial to establish techniques to expedite the transition from the juvenile phase to the adult phase. Clarifying the physiological mechanisms underlying this phase transition will contribute to the development of an apple-seedling growing system that ensures early phase transit...
Diabetic vitrectomy is a highly intricate surgical procedure performed during the advanced stages of diabetic retinopathy (DR). It is used to treat conditions such as tractional or combined retinal detachment, vitreous hemorrhage, and sub hyaloid hemorrhage, which are all severe manifestations of proliferative DR. The results of the surgery are unc...
Introduction
The relationship between the Enhanced Recovery After Surgery (ERAS) guidelines and inflammatory markers in laparoscopic surgery has garnered increasing attention. These recommendations are designed to minimize surgical stress and potentially improve recovery outcomes by modifying perioperative care.
Objective
This scoping review aims...
Deconstructing Dinosaurs takes a fresh look at the history of the German Tendaguru
Expedition (1909–1913), using recently uncovered sources to reveal how Berlin’s
Natural History Museum appropriated and extracted 225 tonnes of dinosaur fossils from land belonging to modern-day Tanzania. It examines the colonial conditions under which the area’s inh...
In blood smear images, there are difficulties in diagnosing blood cancer diseases like leukemia and lymphoma because of their various forms that appear in the human body. In this paper, a method for automatic detection of blood cancer is suggested that uses the EfficientNet-B3 architecture along with transfer learning techniques to improve accuracy...
The efficacy of neural network potentials (NNPs) critically depends on the quality of the configurational datasets used for training. Prior research using empirical potentials has shown that well-selected liquid–solid transitional configurations of a metallic system can be translated to other metallic systems. This study demonstrates that such vali...
An intermolecular carboamination reaction of allyl amines under Pd(ii)-catalysis is reported, expediting the synthesis of valuable vicinal diamines embedded in a functionally enriched linear carbon framework with high yields and exclusive Markovnikov selectivity. Central to our approach is the strategic use of a removable picolinamide auxiliary, wh...
In order to examine the rock dependence on drilling performance parameters, such as torque and rate of penetration (ROP), we conducted laboratory drilling experiments using mafic and ultramafic rocks from the Oman ophiolite and the Horoman Complex. Serpentinized peridotite shows approximately twice the ROP (dry conditions: 2.95 ~ 3.85, wet conditio...
The landscape of adult education in India is experiencing a profound shift propelled by the integration of technology. This article explores the concept of a digital learning revolution and its role in addressing longstanding challenges faced by adult learners in India. Through an examination of key benefits, including increased accessibility, enha...
Sodium-ion batteries (SIBs) are advantageous for large-scale energy storage due to the plentiful and ubiquitous nature of sodium resources, coupled with their lower cost relative to alternative technologies. To expedite the market adoption of SIBs, enhancing the energy density of SIBs is essential. Raising the operational voltage of the SIBs cathod...
Periodontal disease is a multifactorial, bacterially induced inflammatory disorder characterized by progressive destruction of periodontal tissues. Additionally, diabetes mellitus exacerbates periodontitis, resulting in expedited resorption of periodontal bone. However, methods such as mechanical debridement, anti‐inflammatory medications, and surg...
Background
Psoriatic arthritis (PsA) is a chronic systemic inflammatory disease that affects up to 30% of patients with psoriasis. Diagnosis and treatment could be improved by implementing an interdisciplinary dermatological-rheumatological consultation (IDRC).
Objectives
This study aimed to assess the effect of a face-to-face IDRC involving both...
Background
The combination antimalarial artefenomel-piperaquine failed to achieve target efficacy in a phase 2b study in Africa and Vietnam. We retrospectively evaluated whether characterizing the pharmacological interaction of this antimalarial combination in a volunteer infection study (VIS) would have enabled prediction of the phase 2b study res...
With their livelihoods intricately linked to nature, local/rural communities have always been vulnerable to environmental risks. They have used Indigenous and Local Knowledge (hereafter referred to as IK) garnered over generations to cope with, adapt and respond to natural/environmental hazards. Although Indigenous/Local communities have internalis...
Formamidinium lead bromide (FAPbBr3) perovskite nanocrystals (NCs) are promising for display and lighting due to their ultra-pure green emission. However, the thermal quenching will exacerbate their performance degradation in practical applications, which is a common issue for halide perovskites. Here, we reported the heat-resistant FAPbBr3 NCs pre...
Redox flow batteries (RFBs), with distinct characteristics that are suited for grid-scale applications, stand at the forefront of potential energy solutions. However, progress in RFB technology is often impeded by their prohibitive cost and the limited availability of essential research and development test cells. Addressing this bottleneck, we pre...
Despite extensive efforts, malnutrition persists as a critical public health concern, particularly in developing nations like Ethiopia. Concurrent occurrence of wasting and stunting poses severe consequences. Analyzing trends and factors contributing to this double burden is vital for evaluating and enhancing existing nutritional programs. Addition...
Despite extensive efforts, malnutrition persists as a critical public health concern, particularly in developing nations like Ethiopia. Concurrent occurrence of wasting and stunting poses severe consequences. Analyzing trends and factors contributing to this double burden is vital for evaluating and enhancing existing nutritional programs. Addition...
Electrochemical Impedance Spectroscopy (EIS) is a crucial technique for assessing corrosion of metallic materials. The analysis of EIS hinges on the selection of an appropriate equivalent circuit model (ECM) that accurately characterizes the system under study. In this work, we systematically examined the applicability of three commonly used ECMs a...
Geneva, Switzerland, offered a platform for strengthening discussions in global oncology and highlighting the latest advances in cancer control. The aim of the conference is to bring together health experts from around the world to foster an environment of learning and collaboration. While UICC provides several travel grants, the choice of location...
Delayed union or nonunion remains an extremely challenging predicament even after the application of currently available engineering scaffolds for the treatment of critical‐sized bone defects. The angiogenesis throughout the artificial bone repair scaffold to achieve “angiogenic‐osteogenic coupling” is regarded as an effective approach to solving t...
Shake tubes (ST) are widely employed to assist the development of the stirred tank reactor (STR) perfusion cell culture. However, cell lysis may be frequently underrestimated and lead to culture performance discrepency between these systems, rendering the ST model ineffective in designing the STR perfusion cultures. In this study, perfusion culture...
sı Supporting Information 4 ABSTRACT: The special pathological microenvironment of 5 infected wounds (pathology of weakly acidic, hypoxic, and 6 overexpressed H 2 O 2) provides fertile soil for the development of 7 disease. Tailoring treatment based on the specific characteristics of 8 the infectious microenvironment (IME) has emerged as a novel 9...
Pressure ulcers (PUs), caused by prolonged pressure on the skin and tissue, affect millions annually in the US, resulting in significant emotional and financial burdens for patients. The healthcare system bears a substantial cost burden annually, primarily due to stage 3 and 4 ulcers. Through noninvasive techniques, osteopathic manipulative treatme...
Developing pure organic materials with ultralong lifetimes and balanced quantum efficiency is attractive but challenging. In this study, we propose a novel strategy to investigate external heavy atoms by linking molecular emitters with halogen through a flexible alkyl chain. X‐ray crystal analysis clearly reveal the halogen C−X‐π interactions, whic...
Flexible sensors exhibit the properties of excellent shape adaptability and deformation ability, which have been applied for environmental monitoring, medical diagnostics, food safety, smart systems, and human–computer interaction. Cellulose‐based hydrogels are ideal materials for the fabrication of flexible sensors due to their unique three‐dimens...
Apalochrini is a tribe of the family Melyridae characterised by the shortened pedicel, with 13 genera recorded in China at present. Dicranolaius Champion and Intybia Pascoe of Apalochrini are distributed in Asia and Southeast Asia, with the former genus extending to Australia, but not being found in China. In a recent expedition in the mangrove for...
The Atlantic Meridional Overturning Circulation (AMOC) is a salient feature of the climate system, observed for its strength and variability with a wide range of offshore installations and expensive sea-going expeditions. Satellite-based measurements of mass changes in the Earth system, such as from the Gravity Recovery and Climate Experiment (GRAC...
Locomotive Syndrome (LS) is defined by decreased walking and standing abilities due to musculoskeletal issues. Early diagnosis is vital as LS can be reversed with appropriate intervention. Although diagnosing LS using standardized charts is straightforward, the labor-intensive and time-consuming nature of the process limits its widespread implement...
The World Health Organization (WHO) recognizes the right of individuals with dementia and their family caregivers to access interventions that enhance their participation in society. Reablement is an approach that enables older people to participate in meaningful daily and social activities. Over the past decade, a growing body of evidence has unde...
With over a million patients per year in the USA alone, burns are among the most common injuries in the world. In addition to preventing difficulties during burn injuries, the growing impact of scaffolds, hydrogels, cell scaffolds, and cell sheets with healing boosting elements expedite triggers and strengthens re-epithelialization and wound healin...
Background
The standard of care for upper tract urothelial carcinoma (UTUC) traditionally involved open nephroureterectomy with bladder cuff excision. Despite the adoption of transabdominal laparoscopic one-stage nephroureterectomy to mitigate this, the persistently high rate of postoperative intestinal obstruction remains a clinical challenge. Thi...
The rapid expansion of 3D technology in the fashion and textile industries has resulted in a substantial talent shortage, particularly in areas such as 3D digital design, virtual prototyping, and digital material fabrication. To close this gap, the 3D4U Project, financed by the Erasmus+ Programme, aims to improve capacity in Ukrainian higher educat...
Oceanic gateways play a crucial role in controlling global ocean circulation. However, gateway effects on low-latitude deep-water circulation are poorly understood. The South China Sea, located in the western Pacific, was influenced by changes in the equatorial and low-latitude gateways, which recorded significant oceanographic variations since the...
This manuscript presents ABSAS-CS-GSA, an improved iteration of the beetle antennae search (BAS) algorithm, tailored to address the shortcoming of the BAS with low convergence accuracy and easily falling into local optima. The improvements are structured into three principal components: first, dynamic step-size adjustment predicated on initial popu...
During the COVID-19 pandemic, the education systems in almost all parts of the world came to a sudden standstill followed by an expedited transition to emergency remote teaching and learning. Traditional universities in Bangladesh, a country with minimal resources and expertise in online teaching, also hurriedly transitioned to online education. Th...
Marker-assisted selection (MAS) has been extensively utilized in plant
breeding for characterizing germplasm, analysing diversity, stacking traits,
pyramiding genes, introgression multiple traits, and ensuring genetic purity across
various cereals, pulses, oilseeds, and fibre crops. Mapping studies have identified
numerous marker-trait associations...
Uncontrolled ion migration is well‐known in perovskite‐based semiconductor devices. Here, it is shown that instead of being detrimental, ion migration can be used to enhance the performance of perovskite CsPbBr3 semiconductor gamma‐ray detectors. Through the deliberate application of electrical biasing, ion migration is actively controlled to modif...
Individual sorting and identification of thousands of insects collected in mass trapping biosurveillance programmes is a labour-intensive and time-consuming process. Metabarcoding allows the simultaneous identification of multiple individuals in a single mixed sample and has the potential to expedite this process. However, detecting all the species...
Background
Costing and financing systematic implementation are recognized barriers to human immunodeficiency virus (HIV) prevention. In the absence of empiric implementation and economic data, perspectives from international stakeholders involved in developing and supporting daily oral pre-exposure prophylaxis (PrEP) policy, and programs can provid...
Efficiently searching and reusing code from expansive codebases is pivotal for enhancing developers’ productivity. In recent times, the emergence of deep learning-driven neural ranking models, characterized by their vast dimensions and intricate interaction mechanisms, has been noteworthy. Yet, these models, in real-world scenarios, pose computatio...
Background Home care services are an extension of hospital services provided by hospital staff. The hospital must conduct evaluation, coordination, and education for home care patients to ensure proper care and expedite their recovery. This service also introduces a new concept to the community, as it can help save on costs and equipment. The purpo...
X-ray dark-field imaging highlights sample structures through contrast generated by sub-resolution features within the inspected volume. Quantifying dark-field signals generally involves multiple exposures for phase retrieval, separating contributions from scattering, refraction, and attenuation. Here, we introduce an approach for non-interferometr...
Regreening efforts in deserts have been implemented globally to combat land degradation and desert expansion, but how they affect above‐ and belowground community succession and assembly processes remains unknown. Here, we examined variations in plant and soil microbial community attributes along a 53‐year restoration chronosequence following the e...
In this paper, we present a Reinforcement Learning (RL) based strategy for placing optimal charging stations (CS) of electric vehicles (EVs) in the case of Urban planning and smart city development under digital twin. The objective is to minimize the energy required by EVs to reach the CS for recharging. Our approach shows the efficacy of computati...
In the past decade, the domain of network systems has undergone a significant transformation, propelled by advancements in computational capacity, connection,
and data analysis. These improvements have facilitated the emergence of technologies such as the Internet of Things (IoT), 5G, artificial intelligence (AI),
and machine learning, each enhanci...
New data on the state of the Libelloides macaronius Scopoli, 1763 population, based on our
three-year monitoring in Tajikistan, are presented. It has been shown that the state of the population
of this species is stable and there is no need for further measures to preserve its population. The
presented data is necessary for the prepared new edition...
Propylene oxide plays a pivotal role as an organic synthesis intermediate, boasting extensive downstream applications and promising market prospects. Propene epoxidation via molecular oxygen has garnered considerable attention due to its cost‐effectiveness, environmental friendliness, ease of operation, and straightforward product separation. This...
Site-specific modification of glycosides to enhance or alter the physiological properties of the parent molecule has become a highly attractive strategy in drug development. However, creating glycoside building blocks with multiple diversifiable positions from readily available sugar precursors remains a challenging task. Herein, we present a highl...
The Archives of the University of Wroclaw have preserved folders with documents related to the studies, the defense of the doctorate and the employment at the University of Wroclaw of S. Parnicki-Pudełko. They show the unconventional character and unusual career path of the young scientist. By the way, through these documents we get to know him as...
Experimental teaching is a crucial component in the field of biochemistry education. However, traditional methods often rely on confirmatory experiments, resulting in a limited teaching approach with unoriginal content, simplistic results, uniform reports, low student engagement, and inadequate development of independent learning skills. The advanc...
Immediate actions should be taken to expedite climate change reversal and avert costly environmental disasters in terms of lives, property, and economic opportunities.
Intense climate change reversal schemes prevent environmental disasters and simultaneously improve the global economy and energy supply.
In this age of Wellness and Circular Sust...
Previous studies have reported an accumulation of nitrous oxide (N2O) on shallow continental shelves of the western Arctic Ocean. In this study, we sampled seawater profiles for N2O measurements in the eastern Arctic shelves, in the North Kara Sea, in the context of the Arctic Century Expedition. Despite some variability in the vertical distributio...
Some patients with epilepsy continue to have seizures despite daily treatment with antiseizure medications. This includes seizure clusters (also known as acute repetitive seizures), which are an increase in seizure frequency that is different from the usual seizure pattern for that patient. In the literature, the term “rescue” is used for pharmacol...
Endogenous stimuli‐responsive prodrugs, due to their disease lesion specificity and reduced systemic toxicity, have been widely explored for antitumor therapy. However, reactive oxygen species (ROS) as classical endogenous stimuli in the tumor microenvironment (TME) are not enough to achieve the expected drug release. Herein, a ROS‐activatable hete...
Q-Learning is a fundamental off-policy reinforcement learning (RL) algorithm that has the objective of approximating action-value functions in order to learn optimal policies. Nonetheless, it has difficulties in reconciling bias with variance, particularly in the context of long-term rewards. This paper introduces Q($\Delta$)-Learning, an extension...
Ground improvement techniques are frequently employed in construction sites characterized by weak soil conditions that may result in suboptimal performance. The use of ordinary and encased stone columns aims to enhance endurance, shear strength, and soil hardness, thereby mitigating settlement issues and expediting the consolidation of contaminated...
Objective. This study aims to investigate the feasibility of utilizing generative adversarial networks (GANs) to synthesize high-fidelity computed tomography (CT) images from lower-resolution MR images. The goal is to reduce patient exposure to ionizing radiation while maintaining treatment accuracy and accelerating MR image acquisition. The primar...
We have six years to achieve the seventeen Sustainable Development Goals (SDGs) and meet the 2030 Climate Deadline. To expedite our efforts toward a more sustainable future, the University of the Philippines Open University (UPOU) is implementing an initiative called the Sustainability in Action Living Laboratory Campus (SiALLC) to integrate and fo...
Part of the book series: SpringerBriefs in Earth Sciences (BRIEFSEARTH). This is a preview of subscription content, log in via an institution to check access. About this book This book presents the study on Ancient Geopolymers in South America and Easter Island regions, exploring the arti=cial nature of the volcanic rocks used in the construction o...