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1,034 results for “HOT”
Figs 2–5. 2 in Deepor Beel - A Ramsar Site Of India: An Interesting Hot-Spot With Its Rich Rotifera Biodiversity
Figs 2–5. 2 = Keratella tecta (GOSSE), dorsal view, 3 = Trichocerca bidens (LUCKS), lateral view, 4 = Trichocerca tigris (MÜLLER), lateral view, 5 = Lecane paxiana HAUER, dorsal view
Too hot for the devil? Did climate change cause the mid-Holocene extinction of the Tasmanian devil (Sarcophilus harrisii) from mainland Australia?
<p>The possible role of climate change in late Quaternary animal extinctions is hotly debated, yet few studies have investigated its direct effects on animal physiology to assess whether past climate changes might have had significant impacts on now-extinct species. Here we test whether climate change could have imposed physiological stress on the Tasmanian devil (Sarcophilus harrisii) during the mid-Holocene, when the species went extinct on mainland Australia. Physiological values for the devil were quantified using mechanistic niche models of energy and water requirements for thermoregulation, and soil-moisture-based indices of plant stress from drought to indirectly represent food and water availability. The spatial pervasiveness, extremity, and frequency of physiological stresses were compared between a period of known climatic and presumed demographic stability (8000-6010 BP) and the extinction period (5000-3010 BP). We found no evidence of widespread negative effects of climate on physiological parameters for the devil on the mainland during its extinction window. This leaves cultural and demographic changes in the human population or competition from the dingo (Canis dingo) as the main contending hypotheses to explain mainland loss of the devil in the mid-Holocene.</p>
Hot-headed peckers: thermographic changes during aggression among juvenile pheasants (Phasianus colchicus)
<p>In group-living vertebrates, dominance status often covaries with physiological measurements (e.g. glucocorticoid levels), but it is unclear how dominance is linked to dynamic changes in physiological state over a shorter, behavioural timescale. In this observational study, we recorded spontaneous aggression among captive juvenile pheasants (<em>Phasianus colchicus</em>) alongside infrared thermographic measurements of their external temperature, a non-invasive technique previously used to examine stress responses in non-social contexts, where peripheral blood is redirected towards the body core. We found low but highly significant repeatability in maximum head temperature, suggesting individually consistent thermal profiles, and some indication of lower head temperatures in more active behavioural states (e.g. walking compared to resting). These individual differences were partly associated with sex, females being cooler on average than males, but unrelated to body size. During pairwise aggressive encounters, we observed a non-monotonic temperature change, with head temperature dropping rapidly immediately prior to an attack and increasing rapidly afterwards, before returning to baseline levels. This nonlinear pattern was similar for birds in aggressor and recipient roles, but aggressors were slightly hotter on average. Our findings show that aggressive interactions induce rapid temperature changes in dominants and subordinates alike, and highlight infrared thermography as a promising tool for investigating the physiological basis of pecking orders in galliforms.</p>
Performance investigation of an ejector-assisted transcritical CO2 heat pump with brazed plate tri-partite gas cooler for space heating and hot water production
<p>The carbon dioxide (CO<sub>2</sub>) heat pump water heater is recognized as a potential technology for the production of domestic hot water (DHW) and space heating (SH). In this paper, the performance of a transcritical CO<sub>2</sub> heat pump water heater with a tri-partite gas cooler is discussed using a numerical model. The heat pump operates in three modes: (1) DHW mode, (2) SH mode, and (3) DHW+SH mode, which provides space heating at 35 °C and hot water up to 70 °C. The simulation model is validated with the experimental data. The effects of different parameters on system performance are investigated, and the coefficient of performance (COP) of the system under different operating conditions is evaluated. The results show that higher heat sink outlet temperatures lower the COP and increase SH/DHW-Ratio for the investigated cases. The maximum COP is investigated for various heat loads by continuous high-pressure (HP) modulation, reaching highest values at 50 % to 60 % of maximum heat load. The SH/DHW-Ratio is investigated for the presented simulation cases in DHW+SH mode, reaching 0.68 to 1.06 for different heat loads.</p>
EBSD Dataset of the Alpha and Beta Phase Orientations for Hot-rolled Ti-6Al-4V
<p>This is an EBSD dataset for hot-rolled Ti-6Al-4V alloy. It includes the EBSD maps of the starting material, and materials have been rolled at nine different temperatures (825°C, 865°C, 895°C, 915°C, 935°C, 950°C, 960°C, 975°C, 1020°C) to three reductions (50%, 75%, and 87.5%). Each rolled material was sampled from transverse direction (TD) and rolling direction (RD) and EBSD maps were taken from both directions. Materials rolled at 825°C and 915°C were further rolled to 94% reduction and EBSD maps were taken from TD. The information of each EBSD data is given in the metadata file in each folder.</p> <p>For materials rolled above 915°C, the beta phase was reconstructed with a software based on Burger's orientation relationship.</p> <p>The Matlab script for plotting EBSD maps, pole figures and ODFs can be downloaded <a href="https://zenodo.org/record/8328717">here</a>.</p>
A Google Earth Engine code to analyze e visualize land surface temperature and thermal hot-spot patterns: a Rome (Italy) case study
<p>Link to the <strong>Google Earth Engine </strong>(GEE) code: <strong>https://code.earthengine.google.com/cc3ea6593574e321acd7b68c975a9608</strong></p> <p>You can analyze and visualize the following spatial layers by accessing the GEE link: </p> <ol> <li><strong>Daytime summer land surface temperature</strong> (raster data, 30 m horizontal resolution, from Landsat-8 remote sensing data, years 2017-2022)</li> <li><strong>The surface thermal hot-spot pattern </strong>(raster data,30 m horizontal resolution) was obtained by using a statistical-spatial method based on the Getis-Ord Gi* approach through the ArcGIS tool. </li> </ol> <p>Here attached the .txt file from the <strong>GEE code</strong>. </p> <p> </p> <p><em>E-mail</em></p> <p>Giulia Guerri, CNR-IBE, giulia.guerri@ibe.cnr.it</p> <p>Marco Morabito, CNR-IBE, marco.morabito@cnr.it</p> <p>Alfonso Crisci, CNR-IBE, alfonso.crisci@ibe.cnr.it</p>
Figs. 6 in PLATYLOMIA OPERCULATA DISTANT, 1913, A CICADA THAT TAKES WATER FROM HOT SPRINGS AND BECOMES VICTIM OF THE PEOPLE (RHYNCHOTA: CICADOMORPHA: CICADIDAE)
Figs. 6 to 9: Platylomia operculata Distant. Close-up of the "cicadas taking the waters". 6, "birds' eye" view of two males which have fallen on the rocky bed of the springs. 7, subfrontal view of one of the males drinking between damp stones. 8, frontal view of a male, its rostrum perpendicularly planted between wet stones; 9 (from VDO), in spite of the postclypeus being crushed by a supposed collision with a rock "during a badly calculated landing" this male drinks, the rostrum is kept on the lateral fringe of the spring near which the cicada alighted.
Fig. 5 in PLATYLOMIA OPERCULATA DISTANT, 1913, A CICADA THAT TAKES WATER FROM HOT SPRINGS AND BECOMES VICTIM OF THE PEOPLE (RHYNCHOTA: CICADOMORPHA: CICADIDAE)
Fig. 5: "Allegro ma non troppo"... Score common to all Platylomia operculata performers (= C.I.A., species Acoustic ID card: a, temporal oscillogram; b, average spectrum; c, spectrogram).
Figs. 3 & 4 in PLATYLOMIA OPERCULATA DISTANT, 1913, A CICADA THAT TAKES WATER FROM HOT SPRINGS AND BECOMES VICTIM OF THE PEOPLE (RHYNCHOTA: CICADOMORPHA: CICADIDAE)
Figs. 3 & 4: Jaesorn N.P. Panoramic views of the "thermal springs", often clouded with very slightly sulphurized vapours.
Figs. 1 & 2 in PLATYLOMIA OPERCULATA DISTANT, 1913, A CICADA THAT TAKES WATER FROM HOT SPRINGS AND BECOMES VICTIM OF THE PEOPLE (RHYNCHOTA: CICADOMORPHA: CICADIDAE)
Figs. 1 & 2: Morphology in dorsal view (1), then in ventral view centred on hypertelic opercula (2).
Figs. 13 & 14 in PLATYLOMIA OPERCULATA DISTANT, 1913, A CICADA THAT TAKES WATER FROM HOT SPRINGS AND BECOMES VICTIM OF THE PEOPLE (RHYNCHOTA: CICADOMORPHA: CICADIDAE)
Figs. 13 & 14: Leptopsaltria sp. (in description) on mud (13, from VDO) and Balinta tenebricosa Distant, on humific sand (14), two species encountered near the same hot springs during the day, and accustomed to drink (see arrow) water more or less charged with mineral salts, but also with different organic molecules. The evidence of this: the yellowish colour of urine which, every 7 to 9 seconds, Leptopsaltria ejected with spectacular micturitions (see arrow). It should be emphasised that the specimens encountered were also males! Photographs & VDO: Michel Boulard & Khuankanok Chueata.
Figs. 11 & 12 in PLATYLOMIA OPERCULATA DISTANT, 1913, A CICADA THAT TAKES WATER FROM HOT SPRINGS AND BECOMES VICTIM OF THE PEOPLE (RHYNCHOTA: CICADOMORPHA: CICADIDAE)
Figs. 11 & 12: On a neighbouring market, sale of fricassée cicadas offered in voluminous dishes. In 11, Kwankanok Chueata (to the left) speaking with the saleswoman; in 12, close-up view of one of the baked cicada dishes.
Fig. 10 in PLATYLOMIA OPERCULATA DISTANT, 1913, A CICADA THAT TAKES WATER FROM HOT SPRINGS AND BECOMES VICTIM OF THE PEOPLE (RHYNCHOTA: CICADOMORPHA: CICADIDAE)
Fig. 10 (from VDO): Estimate of cigalicid bags; in each of them, several hundred, even more than a thousand agonizing males.
Three-Dimensional Thermoporoelastic Modeling of Hydrofracturing and Fluid Circulation in Hot Dry Rock: EGS Collab Experiment 1
<p>The data regarding the determined natural fractures, locations of monitoring devices, microseismic events, and well trajectories in EGS Collab Experiment 1.</p>
Ultrafast data of "Near-Infrared Plasmon-Induced Hot Electron Extraction Evidence in an Indium Tin Oxide Nanoparticle/Monolayer Molybdenum Disulfide Heterostructure"
<p>Ultrafast differential transmission data:</p> <p>- Ito.txt : differential transmission map of indium tin oxide nanoparticles pumped at 1750 nm</p> <p>- Ito_Mos2.txt : differential transmission map of indium tin oxide nanoparticle / monolayer MoS2 heterojunction pumped at 1750 nm</p> <p>- MoS2_ir.txt : differential transmission map of monolayer MoS2 heterojunction pumped at 1750 nm</p> <p>- MoS2_vis.txt : differential transmission map of monolayer MoS2 heterojunction pumped at 500 nm</p> <p> </p> <p>In the matrix the first line is the vector of the delays in femtosecond, while the first raw is the vector of the wavelengths in nanometers.</p>
Figure 1. HMM to describe a relation between the states Med. and High with the observations (invisible states) cold and hot.-Neuroevolution Mechanism for Hidden Markov Model
<p>The advantage of using this technique is that MCPRs are very useful in real time<br> applications and can be adapted over time based on the obtained experience of the networking<br> working process. Again Hewahi[6] proposed a mechanism (algorithm) to evolve and select the best<br> suitable HMM for a given problem using GA, this mechanism lacks to the training process that can<br> be of great usefulness in finding the best HMM.<br> Based on the above mentioned research, the importance of using HMM is increasing<br> rapidly.<br> Let us consider the HMM presented in Figure 1.</p>
Figure 5. Mutation process. This is happened by decreasing 0.2 from Med-Cold probability and adding 0.2 to Med- Hot.-Genetic Algorithms Principles Towards Hidden Markov Model
<p>Figure 5 illustrates an example of mutation process. In Figure 5, Med-Cold:0.9 and Med-Hot:0.1<br> before mutation and become Med-Cold:0.7 and Med-Hot:0.3 after mutation. This is done by<br> decreasing 0.2 from Med-Cold probability and adding 0.2 to Med-Hot probability.</p>
Figure 1. HMM to describe a relation between the states Med. and High with the observations (invisible states) cold and hot.-Genetic Algorithms Principles Towards Hidden Markov Model
<p>Hewahi [4] presented a modified version of Censored Production Rule (CPR) called<br> Modified Censored Production Rules (MCPR). CPR is proposed by Michalski and Winston [6 ] to<br> capture real time situations. MCPR can fit with hidden Markov model and present a scheme to<br> compute the certainty values of the obtained conclusions out of the induced rules. To compute the<br> certainty values for the rule actions (conclusions), the approach exploited only the probability<br> values associated with the hidden Markov model without using any of the other well known<br> certainty computation approaches. Hewahi [3] also proposed an intelligent networking<br> management system based on the induced MCPRs extracted from a networking structure based on<br> HMM. The advantage of using this technique is that MCPRs are very useful in real time<br> applications and can be adapted over time based on the obtained experience of the networking<br> working process.<br> Let us consider the HMM presented in Figure 1.</p>
Рис. 4. Раковины видов Melanoididae иЗ термальных источников: А – Melanoides pamiricus Lindholm иЗ теплого источника ДЖаушангоЗ (Памир), высота раковины 16 мм; В – M. shahdaraensis Starobogatov et Izzatullaev, иЗ теплого источника ДЖаушангоЗ, высота раковины 15 мм; С – M. kainarensis Starobogatov et Izzatullaev иЗ теплого источника ХадЖа-Кайнар (юго-восток Туркмении), высота раковины 23 мм. Фото З. ИЗЗатуллаева, 1976, 1980 гг. Fig. 4. Shells of the Melanoididae species from thermal springs: A – Melanoides pamiricus Lindholm, the hot spring Dzhaushangoz (Pamir), shell height 16 mm; B – M. shahdaraensis Starobogatov et Izzatullaev, the hot spring Dzhaushangoz, shell height 15 mm; C – M. kainarensis Starobogatov et Izzatullaev, the hot spring Khadzha-Kainar (south-eastern Turkmenistan). Photo by Z. Izzatullaev, 1976, 1980. in Patterns of ecology and life cycles of aquatic molluscs from Central Asia
Рис. 4. Раковины видов Melanoididae иЗ термальных источников: А – Melanoides pamiricus Lindholm иЗ теплого источника ДЖаушангоЗ (Памир), высота раковины 16 мм; В – M. shahdaraensis Starobogatov et Izzatullaev, иЗ теплого источника ДЖаушангоЗ, высота раковины 15 мм; С – M. kainarensis Starobogatov et Izzatullaev иЗ теплого источника ХадЖа-Кайнар (юго-восток Туркмении), высота раковины 23 мм. Фото З. ИЗЗатуллаева, 1976, 1980 гг. Fig. 4. Shells of the Melanoididae species from thermal springs: A – Melanoides pamiricus Lindholm, the hot spring Dzhaushangoz (Pamir), shell height 16 mm; B – M. shahdaraensis Starobogatov et Izzatullaev, the hot spring Dzhaushangoz, shell height 15 mm; C – M. kainarensis Starobogatov et Izzatullaev, the hot spring Khadzha-Kainar (south-eastern Turkmenistan). Photo by Z. Izzatullaev, 1976, 1980.
Extended Files for "Lessons from Hubble & Spitzer: 1D Self-Consistent Model Grids for 19 Hot Jupiter Emission Spectra"
<p>This directory includes extended files for Wiser et al. 2024, "Lessons from Hubble & Spitzer: 1D Self-Consistent Model Grids for 19 Hot Jupiter Emission Spectra." </p> <p>Files:</p> <ul> <li><strong>Extended Planet Figures:</strong> For each of the 20 planets discussed in the manuscript, <em>[PlanetName].pdf </em>includes figures showing the secondary eclipse spectra and parameter estimations for each model scenario. A file for Kepler-13Ab illustrates our grid models' inability to explain the WFC3 and Spitzer observations simultaneously. </li> <li><strong>Internal Temperature Tests:</strong><em> InternalTemperatureTests.pdf</em> includes figures illustrating our inability to constrain an atmosphere's internal temperature with these model grids and the WFC3 and Spitzer observations.</li> <li><strong>Parameter Estimates .csv Tables:</strong> <ul> <li>Both .csv files include planet and star parameters (temperatures, radii, mass, logg, semimajor axis) and parameter ranges for each planet grid. They also include parameter estimations for each model scenario. Listed are the medians of each parameter's posterior probability distribution and pos/neg values encompassing the one-sigma confidence region. This information is shown visually in the extended planet figures. </li> <li><em>fiducial_stats.csv</em> includes parameter estimations for the fiducial model scenario. For planets with multiple solutions (as described in Wiser et al. 2024), multiple rows detail each solution. There is also a "limit" flag for parameters with an upper limit, lower limit, or unconstrained (UL, LL, or UC, respectively).</li> <li><em>nonfiducial_stats.csv </em>includes parameter estimates for all other model scenarios. This table does not account for multiple solutions or "limit" flags. </li> </ul> </li> <li>For complete model grids, please contact the authors. </li> </ul>
ScienceDex guides
Understand access before you commit
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.