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1,034 results for “HOT”
Data from: Subtype diversity and reassortment potential for co-circulating avian influenza viruses at a diversity hot spot
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Data from: Night warming on hot days produces novel impacts on development, survival and reproduction in a small arthropod
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Carbon fixation by photosynthetic mats along a temperature gradient in a Tengchong hot spring
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Effect of Hot-Wet Storage Aging on Mechanical Response of a Woven Thermoplastic Composite
<p>The effect of hot-wet storage aging on the mechanical response of a carbon fiber polyether ether ketone (PEEK)-matrix woven composite has been studied. A wide range of static loads and selected cyclic load tests on the interlaminar fatigue strength were performed. Static tests were conducted in batch mode, including on- and off-axis tension, compression, flexure, interlaminar shear strength (ILSS) and fracture tests in Modes I, II and I/II. Respective mechanical properties have been determined, indicating a degrading effect of aging on strength-related properties. The measured response in general, as well as the variance quantified by batch-mode test execution, indicated the appropriateness of the applied standards on the material under consideration, especially in the case of fracture tests. The material properties presented in the current work may provide a useful basis towards preliminary design with PEEK-based woven thermoplastic composites during service in aerospace applications.</p>
Data for: Fluid Geochemistry of Hot Springs at the Tengchong Field, Southwest China
<p>Major elements analyses of the vent fluid in the Tengchong hydrothermal system</p>
Whistler-mode waves excited by anisotropic hot electrons with a drift velocity in Earth's magnetosphere: Linear theory
<p>The data used to generate the figures in this paper.</p>
Effects of hot-wet storage aging, CNT-integration and damping layer interposition on static and fatigue interlaminar shear response of a UD Graphite/Epoxy material system
<p>The present work aims at experimental quantification of the effect of hot-wet storage aging on the static and<br> fatigue interlaminar shear response of three UD Graphite-Epoxy based material systems: a control laminate, a<br> CNT-treated laminate and a lamination including an embedded damping veil. In this context, specimens have<br> been fabricated and tested for determination of the interlaminar shear strength (ILSS) according to the relevant<br> ASTM standard, and the effects of the above mentioned constituents on the response of non-aged (RT) and aged<br> (HW) specimens have been investigated. The experimental data, presented in batch mode, indicated that aging<br> leads to severe degradation of the interlaminar shear strength and relevant fatigue endurance of all material<br> systems, whereas the CNT-treated laminate appeared to be the most sensitive configuration. In the case of nonaged specimens, CNT-treatment led to larger failure strains and a clear bilinear response, while all three material<br> systems exhibited similar values of interlaminar shear strength.</p>
Heat dissipation behaviour of birds in seasonally hot, arid-zones: are there global patterns?
<p>Quantifying organismal sensitivity to heat stress provides one means for predicting vulnerability to climate change. Birds are ideal for investigating this approach, as they display quantifiable fitness consequences associated with behavioural and physiological responses to heat stress. We used a recently developed method that examines correlations between readily-observable behaviours and air temperature (Tair) to investigate interspecific variation in avian responses to heat stress in seasonally hot, arid regions on three continents: the southwestern United States, the Kalahari Desert of southern Africa and the Gascoyne region of Western Australia. We found substantial interspecific variation in heat dissipation behaviours (wing-drooping, panting, activity-reduction, shade-seeking) across all three regions. However, pooling the data revealed that little of this interspecific variation was systematically explained by organismal traits (foraging guild, diet, drinking dependency, body mass, or activity levels) at the scale we tested. After accounting for phylogeny, we found that larger birds engaged in wing-drooping behaviour at lower Tair and had lower activity levels at high Tair compared to smaller birds, indicating an effect of body mass on heat dissipation behaviour (HDB). In the Kalahari, reliance on drinking was correlated with significantly lower Tair at which panting commenced, suggesting a key role of water acquisition in HDB in that region. Birds also tended to retreat to shade at relatively lower Tair when more active, suggesting a behavioural trade-off between activity, heat load, and microsite selection. Our results imply that the causes underlying interspecific variation in heat dissipation behaviours are complex. While the variation we observed was not systematically explained by the broad scale organismal traits we considered, we predict that the indices themselves will still reflect vulnerability to potential fitness costs of high air temperatures. Further research is needed on a species-specific basis to establish the functional significance of these indices.</p>
Data from: Metabolic characteristics of dominant microbes and key rare species from an acidic hot spring in Taiwan revealed by metagenomics
Background: Microbial diversity and community structures in acidic hot springs have been characterized by 16S rRNA gene-based diversity surveys. However, our understanding regarding the interactions among microbes, or between microbes and environmental factors, remains limited. Results: In the present study, a metagenomic approach, followed by bioinformatics analyses, were used to predict interactions within the microbial ecosystem in Shi-Huang-Ping (SHP), an acidic hot spring in northern Taiwan. Characterizing environmental parameters and potential metabolic pathways highlighted the importance of carbon assimilatory pathways. Four distinct carbon assimilatory pathways were identified in five dominant genera of bacteria. Of those dominant carbon fixers, Hydrogenobaculum bacteria outcompeted other carbon assimilators and dominated the SHP, presumably due to their ability to metabolize hydrogen and to withstand an anaerobic environment with fluctuating temperatures. Furthermore, most dominant microbes were capable of metabolizing inorganic sulfur-related compounds (abundant in SHP). However, Acidithiobacillus ferrooxidans was the only species among key rare microbes with the capability to fix nitrogen, suggesting a key role in nitrogen cycling. In addition to potential metabolic interactions, based on the 16S rRNAs gene sequence of Nanoarchaeum-related and its potential host Ignicoccus-related archaea, as well as sequences of viruses and CRISPR arrays, we inferred that there were complex microbe-microbe interactions. Conclusions: Our study provided evidence that there were numerous microbe-microbe and microbe-environment interactions within the microbial community in an acidic hot spring. We proposed that Hydrogenobaculum bacteria were the dominant microbial genus, as they were able to metabolize hydrogen, assimilate carbon and live in an anaerobic environment with fluctuating temperatures.
Data from: Predictive Bayesian selection of multistep Markov chains, applied to the detection of the hot hand and other statistical dependencies in free throws
When extended to data from the 2016--2017 NBA season specifically for LeBron James, a model depending on the previous shot (single-step Markovian) does not clearly beat a model with independent outcomes. An error-correcting variable length model of two parameters, where James shoots a higher percentage after a missed free throw than otherwise, is more predictive than either model.
Data from: "Hot deals at sea": responses of a top predator (Bottlenose dolphin, Tursiops truncatus) to human-induced changes in the coastal ecosystem
The main response of top predators to human-induced environmental changes is often behavioural. Although human activities regularly impose a disturbance on top predators, they can also be a source of reliable and concentrated food resources for species with a high degree of behavioural plasticity. This study represents the first assessment of the influence of these resources on migratory patterns and social interaction of a marine top predator, the common bottlenose dolphin, Tursiops truncatus. Pollock's closed robust design models and association analyses were applied to data collected over nine consecutive years of research in a coastal area subject to significant use and pressure by humans. Photo-identification data were collected year-round during 955 boat-based surveys, resulting in 1 638 common bottlenose dolphin group encounters. Results of this study revealed a significant upward trend in density of bottlenose dolphins, preferences for a coastal area with higher human pressure, and a reduction of the social interactions associated to a temporal switch to the food sources provided by human activities. The observed link between human activities and changes in common bottlenose dolphin behaviour aim to contribute to a better understanding of the ecology of a marine top predator and provide some of the needed baseline data, from which effective management and conservation strategies can be designed.
Data from: Hot spots of genetic diversity descended from multiple Pleistocene refugia in an alpine ungulate
Species that inhabit naturally fragmented environments are expected to be spatially structured and exhibit reduced genetic diversity at the periphery of their range. Patterns of differentiation may also reflect historical processes such as recolonization from glacial refugia. We examined the relative importance of these factors in shaping the spatial patterns of genetic differentiation across the range of an alpine specialist, the North American mountain goat (Oreamnos americanus). Contrary to fossil evidence which suggests a single southern refugium, we detected evidence for additional refugia in northern British Columbia and the Alaskan coast using both mitochondrial and microsatellite DNA. A core area of elevated genetic diversity characterized both regions, and molecular dating suggested a recent Pleistocene split was followed by demographic expansion. Across their range, mountain goats were highly genetically structured and displayed the expected pattern of declining diversity towards the periphery. Gene flow was high within contiguous mountain ranges, but cross-assignments paradoxically suggest that long-distance contemporary dispersal movements are not uncommon. These results improve our understanding of how historical vicariance and contemporary fragmentation influence population differentiation, and have implications for conserving the adaptive potential of alpine populations and habitat.
Hot summer training and heat-related illness among firefighter
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TOI-2458 b: A mini-Neptune consistent with in situ hot Jupiter formation (Additional material)
<p>Relative HARPS radial velocities and activity indicators of TOI-2458.</p>
Figs 10–13. 10 in Deepor Beel - A Ramsar Site Of India: An Interesting Hot-Spot With Its Rich Rotifera Biodiversity
Figs 10–13. 10 = Filinia camasecla MYERS, dorsal view, 11 = Lecane lateralis SHARMA, ventral view, 12 = Lecane unguitata (FADEEV), ventral view, 13 = Testudinella greeni KOSTE, ventral view
Data for "Scaling of electron heating by magnetization during reconnection and applications to dipolarization fronts and super-hot solar flares"
<p>Dataset for the figures used in the paper</p>
Supplementary material 1 from: Rodríguez-Flores PC, Gutiérrez-Rodríguez J, Aguirre-Ruiz EF, García-París M (2016) Salt lakes of La Mancha (Central Spain): A hot spot for tiger beetle (Carabidae, Cicindelinae) species diversity. ZooKeys 561: 63-103. https://doi.org/10.3897/zookeys.561.6042
Appendix : Explanation note: Field observations.
Mapping the Binding Hot Spots and Transient Binding Pockets on V-domain Immunoglobulin Suppressor of T Cell Activation (VISTA) Protein Surface
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A hot-emitter transistor based on stimulated emission of heated carriers
<p><span>Relevant data for "<span>A hot-emitter transistor based on stimulated emission of heated carriers</span>".</span></p>
Figure 3 in Modelling hot spot areas for the invasive alien plant Elodea nuttallii in the EU
Figure 3. The model performance (regularized training gain) of the MaxEnt model generated using subset 3 of the occurrence data when the variable in question is omitted or used in isolation, compared to the performance of the model when all variables are used.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.