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2,281 results for “laboratories”
ENDGAME - Laboratory Experiment 2024-03-21 Exp. 019 - High Speed Camera data
<p>Shock-tube experiments in combination with high speed Schlieren shadow photography. </p> <p>The shocktube setup consists of a high-pressure reservoir connected with a cylindrical tube through a diaphragm pulse valve which allows a fast release of pressurized gas into the ambient pressure tube. The high-pressure reservoir is filled with compressed air at a given overpressure with respect to ambient pressure (up to 8 bar). The pipe was either empty (i.e. with air at ambient conditions) or filled with a given amount of small particles. We adopted a pipe with an inner diameter of 4 cm (outer diameter 5 cm) and 80 cm long. The volume of pressurized gas injected into the pipe was ~3000 cm3. In some cases a pressure sensor has been placed at the vent of the conduit to record pressure variations during the experiment. Images from the high speed camera were collected at a frame rate of 30000 fps.</p> <p>When the valve is open, a jet flow is produced, with shock and acoustic waves propagating in the atmosphere, which become visible due to the high speed Schlieren shadow photography.</p>
ENDGAME - Laboratory Experiment 2024-03-21 Exp. 021 - High Speed Camera data
<p>Shock-tube experiments in combination with high speed Schlieren shadow photography. </p> <p>The shocktube setup consists of a high-pressure reservoir connected with a cylindrical tube through a diaphragm pulse valve which allows a fast release of pressurized gas into the ambient pressure tube. The high-pressure reservoir is filled with compressed air at a given overpressure with respect to ambient pressure (up to 8 bar). The pipe was either empty (i.e. with air at ambient conditions) or filled with a given amount of small particles. We adopted a pipe with an inner diameter of 4 cm (outer diameter 5 cm) and 80 cm long. The volume of pressurized gas injected into the pipe was ~3000 cm3. In some cases a pressure sensor has been placed at the vent of the conduit to record pressure variations during the experiment. Images from the high speed camera were collected at a frame rate of 30000 fps.</p> <p>When the valve is open, a jet flow is produced, with shock and acoustic waves propagating in the atmosphere, which become visible due to the high speed Schlieren shadow photography.</p>
ENDGAME - Laboratory Experiment 2024-03-21 Exp. 025 - High Speed Camera data
<p>Shock-tube experiments in combination with high speed Schlieren shadow photography. </p> <p>The shocktube setup consists of a high-pressure reservoir connected with a cylindrical tube through a diaphragm pulse valve which allows a fast release of pressurized gas into the ambient pressure tube. The high-pressure reservoir is filled with compressed air at a given overpressure with respect to ambient pressure (up to 8 bar). The pipe was either empty (i.e. with air at ambient conditions) or filled with a given amount of small particles. We adopted a pipe with an inner diameter of 4 cm (outer diameter 5 cm) and 80 cm long. The volume of pressurized gas injected into the pipe was ~3000 cm3. In some cases a pressure sensor has been placed at the vent of the conduit to record pressure variations during the experiment. Images from the high speed camera were collected at a frame rate of 30000 fps.</p> <p>When the valve is open, a jet flow is produced, with shock and acoustic waves propagating in the atmosphere, which become visible due to the high speed Schlieren shadow photography.</p>
ENDGAME - Laboratory Experiment 2024-03-21 Exp. 018 - High Speed Camera data
<p>Shock-tube experiments in combination with high speed Schlieren shadow photography. </p> <p>The shocktube setup consists of a high-pressure reservoir connected with a cylindrical tube through a diaphragm pulse valve which allows a fast release of pressurized gas into the ambient pressure tube. The high-pressure reservoir is filled with compressed air at a given overpressure with respect to ambient pressure (up to 8 bar). The pipe was either empty (i.e. with air at ambient conditions) or filled with a given amount of small particles. We adopted a pipe with an inner diameter of 4 cm (outer diameter 5 cm) and 80 cm long. The volume of pressurized gas injected into the pipe was ~3000 cm3. In some cases a pressure sensor has been placed at the vent of the conduit to record pressure variations during the experiment. Images from the high speed camera were collected at a frame rate of 30000 fps.</p> <p>When the valve is open, a jet flow is produced, with shock and acoustic waves propagating in the atmosphere, which become visible due to the high speed Schlieren shadow photography.</p>
ENDGAME - Laboratory Experiment 2024-03-21 Exp. 017 - High Speed Camera data
<p>Shock-tube experiments in combination with high speed Schlieren shadow photography. </p> <p>The shocktube setup consists of a high-pressure reservoir connected with a cylindrical tube through a diaphragm pulse valve which allows a fast release of pressurized gas into the ambient pressure tube. The high-pressure reservoir is filled with compressed air at a given overpressure with respect to ambient pressure (up to 8 bar). The pipe was either empty (i.e. with air at ambient conditions) or filled with a given amount of small particles. We adopted a pipe with an inner diameter of 4 cm (outer diameter 5 cm) and 80 cm long. The volume of pressurized gas injected into the pipe was ~3000 cm3. In some cases a pressure sensor has been placed at the vent of the conduit to record pressure variations during the experiment. Images from the high speed camera were collected at a frame rate of 30000 fps.</p> <p>When the valve is open, a jet flow is produced, with shock and acoustic waves propagating in the atmosphere, which become visible due to the high speed Schlieren shadow photography.</p>
ENDGAME - Laboratory Experiment 2024-03-21 Exp. 016 - High Speed Camera data
<p>Shock-tube experiments in combination with high speed Schlieren shadow photography. </p> <p>The shocktube setup consists of a high-pressure reservoir connected with a cylindrical tube through a diaphragm pulse valve which allows a fast release of pressurized gas into the ambient pressure tube. The high-pressure reservoir is filled with compressed air at a given overpressure with respect to ambient pressure (up to 8 bar). The pipe was either empty (i.e. with air at ambient conditions) or filled with a given amount of small particles. We adopted a pipe with an inner diameter of 4 cm (outer diameter 5 cm) and 80 cm long. The volume of pressurized gas injected into the pipe was ~3000 cm3. In some cases a pressure sensor has been placed at the vent of the conduit to record pressure variations during the experiment. Images from the high speed camera were collected at a frame rate of 30000 fps.</p> <p>When the valve is open, a jet flow is produced, with shock and acoustic waves propagating in the atmosphere, which become visible due to the high speed Schlieren shadow photography.</p>
ENDGAME - Laboratory Experiment 2024-03-21 Exp. 013 - High Speed Camera data
<p>Shock-tube experiments in combination with high speed Schlieren shadow photography. </p> <p>The shocktube setup consists of a high-pressure reservoir connected with a cylindrical tube through a diaphragm pulse valve which allows a fast release of pressurized gas into the ambient pressure tube. The high-pressure reservoir is filled with compressed air at a given overpressure with respect to ambient pressure (up to 8 bar). The pipe was either empty (i.e. with air at ambient conditions) or filled with a given amount of small particles. We adopted a pipe with an inner diameter of 4 cm (outer diameter 5 cm) and 80 cm long. The volume of pressurized gas injected into the pipe was ~3000 cm3. In some cases a pressure sensor has been placed at the vent of the conduit to record pressure variations during the experiment. Images from the high speed camera were collected at a frame rate of 30000 fps.</p> <p>When the valve is open, a jet flow is produced, with shock and acoustic waves propagating in the atmosphere, which become visible due to the high speed Schlieren shadow photography.</p>
ENDGAME - Laboratory Experiment 2024-03-21 Exp. 009 - High Speed Camera data
<p>Shock-tube experiments in combination with high speed Schlieren shadow photography. </p> <p>The shocktube setup consists of a high-pressure reservoir connected with a cylindrical tube through a diaphragm pulse valve which allows a fast release of pressurized gas into the ambient pressure tube. The high-pressure reservoir is filled with compressed air at a given overpressure with respect to ambient pressure (up to 8 bar). The pipe was either empty (i.e. with air at ambient conditions) or filled with a given amount of small particles. We adopted a pipe with an inner diameter of 4 cm (outer diameter 5 cm) and 80 cm long. The volume of pressurized gas injected into the pipe was ~3000 cm3. In some cases a pressure sensor has been placed at the vent of the conduit to record pressure variations during the experiment. Images from the high speed camera were collected at a frame rate of 30000 fps.</p> <p>When the valve is open, a jet flow is produced, with shock and acoustic waves propagating in the atmosphere, which become visible due to the high speed Schlieren shadow photography.</p>
ENDGAME - Laboratory Experiment 2024-03-21 Exp. 011 - High Speed Camera data
<p>Shock-tube experiments in combination with high speed Schlieren shadow photography. </p> <p>The shocktube setup consists of a high-pressure reservoir connected with a cylindrical tube through a diaphragm pulse valve which allows a fast release of pressurized gas into the ambient pressure tube. The high-pressure reservoir is filled with compressed air at a given overpressure with respect to ambient pressure (up to 8 bar). The pipe was either empty (i.e. with air at ambient conditions) or filled with a given amount of small particles. We adopted a pipe with an inner diameter of 4 cm (outer diameter 5 cm) and 80 cm long. The volume of pressurized gas injected into the pipe was ~3000 cm3. In some cases a pressure sensor has been placed at the vent of the conduit to record pressure variations during the experiment. Images from the high speed camera were collected at a frame rate of 30000 fps.</p> <p>When the valve is open, a jet flow is produced, with shock and acoustic waves propagating in the atmosphere, which become visible due to the high speed Schlieren shadow photography.</p>
ENDGAME - Laboratory Experiment 2024-03-21 Exp. 012 - High Speed Camera data
<p>Shock-tube experiments in combination with high speed Schlieren shadow photography. </p> <p>The shocktube setup consists of a high-pressure reservoir connected with a cylindrical tube through a diaphragm pulse valve which allows a fast release of pressurized gas into the ambient pressure tube. The high-pressure reservoir is filled with compressed air at a given overpressure with respect to ambient pressure (up to 8 bar). The pipe was either empty (i.e. with air at ambient conditions) or filled with a given amount of small particles. We adopted a pipe with an inner diameter of 4 cm (outer diameter 5 cm) and 80 cm long. The volume of pressurized gas injected into the pipe was ~3000 cm3. In some cases a pressure sensor has been placed at the vent of the conduit to record pressure variations during the experiment. Images from the high speed camera were collected at a frame rate of 30000 fps.</p> <p>When the valve is open, a jet flow is produced, with shock and acoustic waves propagating in the atmosphere, which become visible due to the high speed Schlieren shadow photography.</p>
ENDGAME - Laboratory Experiment 2024-03-21 Exp. 015 - High Speed Camera data
<p>Shock-tube experiments in combination with high speed Schlieren shadow photography. </p> <p>The shocktube setup consists of a high-pressure reservoir connected with a cylindrical tube through a diaphragm pulse valve which allows a fast release of pressurized gas into the ambient pressure tube. The high-pressure reservoir is filled with compressed air at a given overpressure with respect to ambient pressure (up to 8 bar). The pipe was either empty (i.e. with air at ambient conditions) or filled with a given amount of small particles. We adopted a pipe with an inner diameter of 4 cm (outer diameter 5 cm) and 80 cm long. The volume of pressurized gas injected into the pipe was ~3000 cm3. In some cases a pressure sensor has been placed at the vent of the conduit to record pressure variations during the experiment. Images from the high speed camera were collected at a frame rate of 30000 fps.</p> <p>When the valve is open, a jet flow is produced, with shock and acoustic waves propagating in the atmosphere, which become visible due to the high speed Schlieren shadow photography.</p>
ENDGAME - Laboratory Experiment 2024-03-21 Exp. 014 - High Speed Camera data
<p>Shock-tube experiments in combination with high speed Schlieren shadow photography. </p> <p>The shocktube setup consists of a high-pressure reservoir connected with a cylindrical tube through a diaphragm pulse valve which allows a fast release of pressurized gas into the ambient pressure tube. The high-pressure reservoir is filled with compressed air at a given overpressure with respect to ambient pressure (up to 8 bar). The pipe was either empty (i.e. with air at ambient conditions) or filled with a given amount of small particles. We adopted a pipe with an inner diameter of 4 cm (outer diameter 5 cm) and 80 cm long. The volume of pressurized gas injected into the pipe was ~3000 cm3. In some cases a pressure sensor has been placed at the vent of the conduit to record pressure variations during the experiment. Images from the high speed camera were collected at a frame rate of 30000 fps.</p> <p>When the valve is open, a jet flow is produced, with shock and acoustic waves propagating in the atmosphere, which become visible due to the high speed Schlieren shadow photography.</p>
ENDGAME - Laboratory Experiment 2024-03-21 Exp. 010 - High Speed Camera data
<p>Shock-tube experiments in combination with high speed Schlieren shadow photography. </p> <p>The shocktube setup consists of a high-pressure reservoir connected with a cylindrical tube through a diaphragm pulse valve which allows a fast release of pressurized gas into the ambient pressure tube. The high-pressure reservoir is filled with compressed air at a given overpressure with respect to ambient pressure (up to 8 bar). The pipe was either empty (i.e. with air at ambient conditions) or filled with a given amount of small particles. We adopted a pipe with an inner diameter of 4 cm (outer diameter 5 cm) and 80 cm long. The volume of pressurized gas injected into the pipe was ~3000 cm3. In some cases a pressure sensor has been placed at the vent of the conduit to record pressure variations during the experiment. Images from the high speed camera were collected at a frame rate of 30000 fps.</p> <p>When the valve is open, a jet flow is produced, with shock and acoustic waves propagating in the atmosphere, which become visible due to the high speed Schlieren shadow photography.</p>
Dataset for Rate and Pressure Dependence of Dilatancy and Fault Strength in Partially-Drained Laboratory Fault Zones
<p>The datasets for Affinito et al., 2024 manuscript. Each experiment is was collected on a 24-bit recorder and 16 channels for hydromechanical data. The purpose of these experiments was to document the transition in fault drainage state as a fuction of shearing rate. Samples were prepared from cores collected at the US-DOE Utah FORGE well 16A.</p>
Mobile Sleep Lab: Comparison of polysomnographic parameters with a conventional sleep laboratory
<div> <p><span><span> </span></span><span><span>In</span></span> <span><span>remote areas</span></span><span><span>,</span></span><span><span> visiting a laboratory for sleep testing</span><span> is inconvenient</span></span><span><span>.</span></span><span><span> We</span></span><span><span>,</span></span><span><span> therefore</span></span><span><span>,</span></span><span><span> developed a Mobile Sleep Lab in a bus powered by fuel cells with two sleep measurement chambers. As the environment in the bus could affect sleep, we examined whether sleep testing in the Mobile Sleep Lab was as </span><span>feasible</span><span> as in a conventional sleep laboratory (Human Sleep Lab). We tested 15 healthy adults for four nights using polysomnography (</span><span>the </span><span>first two nights at the Human Sleep Lab or Mobile Sleep Lab with a switch to the other facility for the next two nights). Sleep variables of the four measurements were used to assess the </span><span>discrepancy</span><span> of </span><span>different </span><span>place</span><span>s</span><span> or different nights.</span></span> <span><span>N</span><span>o </span><span>significant differences </span><span>were found </span><span>between the laboratories other than the percentage of total sleep time in stage N3. </span><span>Next, we analyzed the intraclass correlation coefficient to evaluate the test-retest reliability. The intraclass correlation coefficient between these two measurements</span></span><span><span>:</span></span><span><span> the Human Sleep Lab and Mobile Sleep Lab showed similar reliability for the same sleep variables. The intraclass correlation coefficient revealed that several sleep indexes, such as </span><span>total sleep time</span><span>, sleep efficiency, wake after sleep onset, percentage of stage N1, and stage R </span><span>latency, </span><span>showed </span><span>poor </span><span>reliabilit</span><span>ies (</span><span><0.5) based on Koo and Li’s criteria</span><span>. In contrast, the percentage of stage N3 showed </span><span>moderate</span></span><span><span> (</span></span><span><span>0.5–0.75</span><span>) or </span><span>good </span></span><span><span>(</span></span><span><span>0.75–0.9</span></span><span><span>) </span></span><span><span>reliabilit</span><span>ies</span></span><span><span>. </span></span><span><span>As </span><span>almost all</span><span> sleep variables </span><span>showed no difference </span><span>and same level of test-retest reliability</span></span> <span><span>between the </span><span>Mobile Sleep Lab </span><span>and </span><span>Human Sleep Lab</span></span><span><span>,</span> </span><span><span>the Mobile Sleep Lab might be suitable</span><span> for conducting polysomnography</span><span> as a conventional sleep laboratory. </span><span>The reduction in N3 in the Mobile Sleep Lab should be scrutinized in the larger sample, including sleep disorders</span></span><span><span>. </span></span><span><span>Practical</span><span> application of the Mobile Sleep Lab can transform sleep medicine in remote areas.</span></span><span> </span></p> </div>
Laboratory toxicity incubation experiments on phytoplankton using trace metals (Cu, Cd, Zn)
<p>This data compilation contains previously published toxicity threshold concentrations of copper, cadmium and zinc for different phytoplankton, as determined by incubation experiments. The data was recalculated to nmol/L for consistency, assuming the following molar masses of copper, cadmium and zinc as 63.546, 112.411 and 65.380 g/mol, respectively, and salinity as 1.025 kg/L. The growth medium is included in the dataset, as well as the environment where the phytoplankton in question may commonly occur (open or coastal ocean). </p>
ENDGAME - Laboratory Experiment 2022-11-28 Exp. 001 - High Speed Camera data
<p>Preliminary test with high speed camera and Schlieren shadow photography.</p> <p>Images of the rise of single air bubbles in a 2D setup obtained using 2 parallel glass sheets (3 mm thickness) separated by rubber seals and filled with distilled water. The gap between the two parallel sheets is 3 mm. Air was injected into the 2D setup through a straw (4 mm diam). Frame rate of the high speed camera is 1000 fps. The spherical mirror used for the Schlieren setup was 75 mm wide with a 750 mm focal length.</p>
ENDGAME - Laboratory Experiment 2022-11-28 Exp. 004 - Part 2 - High Speed Camera data
<p>Preliminary test with high speed camera and Schlieren shadow photography.</p> <p>Images of the rise of multiple air bubbles in a 2D setup obtained using 2 parallel glass sheets (3 mm thickness) separated by rubber seals and filled with distilled water and particles (with ~0.1-0.3 mm diameter). The gap between the two parallel sheets is 3 mm. Air was injected manually into the 2D setup through a straw (4 mm diam) at high speed. Frame rate of the high speed camera is 250 fps. The spherical mirror used for the Schlieren setup was 75 mm wide with a 750 mm focal length.</p>
ENDGAME - Laboratory Experiment 2022-11-28 Exp. 004 - Part 1 - High Speed Camera data
<p>Preliminary test with high speed camera and Schlieren shadow photography.</p> <p>Images of the rise of multiple air bubbles in a 2D setup obtained using 2 parallel glass sheets (3 mm thickness) separated by rubber seals and filled with distilled water and particles (with ~0.1-0.3 mm diameter). The gap between the two parallel sheets is 3 mm. Air was injected manually into the 2D setup through a straw (4 mm diam) at high speed. Frame rate of the high speed camera is 250 fps. The spherical mirror used for the Schlieren setup was 75 mm wide with a 750 mm focal length.</p>
ENDGAME - Laboratory Experiment 2022-11-28 Exp. 003 - High Speed Camera data
<p>Preliminary test with high speed camera and Schlieren shadow photography.</p> <p>Images of the rise of multiple air bubbles in a 2D setup obtained using 2 parallel glass sheets (3 mm thickness) separated by rubber seals and filled with distilled water. The gap between the two parallel sheets is 3 mm. Air was injected manually into the 2D setup through a straw (4 mm diam) at high speed. Frame rate of the high speed camera is 250 fps. The spherical mirror used for the Schlieren setup was 75 mm wide with a 750 mm focal length.</p>
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.