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10,554 results for “measurements”

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dryad36/100

Phenotype images of Gryllus personatus and five resulting morphological measurements

<p class="MsoNormal">Sexual size dimorphism (SSD) and sexual shape dimorphism (SShD) are of interest to evolutionary ecology, but the two phenomena can very easily be conflated by not taking a multivariate approach to measuring size. In our study we draw attention to this problem by measuring four body size dimensions (maxillae span, head width, pronotum length and mean hind femur length) in lab-reared individuals of the badlands cricket (Orthoptera, Gryllinae, <em>Gryllus personatus</em>) and conducting a variety of multivariate analyses to test whether there is SSD and/or SShD.</p> <p class="MsoNormal">We found that males had wider heads and maxillae than females, and females had longer pronota and hind femora than males. This difference in the direction of sexual dimorphism indicates SShD. However, multivariate methods failed to detect SSD, instead confirming that the sexes primarily differ in body shape. We suggest that orthopterists studying sexual dimorphism minimally measure head width, pronotum length and hind femur length as a standard that will allow a more repeatable and generalizable assessment of the prevalence and direction of both SSD and SShD.</p>

opencc-zeroJan 2023View details →
zenodo36/100

Interactive computational and experimental approaches improve the sensitivity of periplasmic binding protein-based nicotine biosensors for measurements in biofluids

<p>Here are the raw simulation trajectories (water removed).</p>

opencc-by-4.0Jan 2023View details →
dryad36/100

Dataset for attitude measures towards Dengue control efforts with the potential of digital technology during COVID-19

<div class="J0lOec"><span class="VIiyi"><span class="JLqJ4b ChMk0b"><span class="Q4iAWc">This data contains a questionnaire and a data set of structural equation modeling for Attitude Towards Dengue Control Efforts with the Potential of Digital Technology.</span></span> <span class="JLqJ4b ChMk0b"><span class="Q4iAWc">The variables are grouped into six namely the need for digital information systems, perceptions of being threatened with dengue, the benefits of dengue control programs, program constraints on environmental factors and attitudes in dengue control.</span></span> <span class="JLqJ4b ChMk0b"><span class="Q4iAWc">Data was collected online using Google Forms.</span></span></span></div>

opencc-zeroJan 2023View details →
zenodo36/100

Morphometric Measurements of Curraleiro Pé-Duro Cattle

<p>Morphometric Measurements of Curraleiro P&eacute;-Duro Cattle</p> <p>&nbsp;</p> <p>merikrocha@cca.uespi.br</p>

opencc-by-4.0Jan 2023View details →
zenodo36/100

Dataset to analyze the psychometric and structural properties of a scale designed to measure attitudes to integrated flood risk management

<p>The content of this reference includes the dataset generated by means of a questionnaire survey to a representative sample (N=406) of a city of Zamora (Spain). It contains 39 columns (c) which represents the following variables: Flooding area (c1); Flood risk perception (c2 to c7); Attitudes toward flood mitigation measures (c8 to c22); Perceived efficiency of general flood mitigation measures (c23 to c28); Assessment of the adequacy of overall flood risk management in the city and neighborhood (c29 to c30); Safety, environment, and economy preferences in flood risk management (c31 to c33); Postal code (c34); Age (c35); Age intervals (c36); sex (c37); Factorial saved loadings (c38 to c39).</p>

opencc-by-4.0Jan 2023View details →
zenodo36/100

Hourly wind profile measurements at Beijing weather station for the year 2020

<p>This dataset contains the wind profiler from&nbsp;0.14 to 10.38 km above ground level&nbsp;at 1-h intervals for the Beijing Observatory station, which is obtained from the measurements of the&nbsp;Radar wind profiler for the year 2020. It is stored in Matlab format,&nbsp; and is organized by a matrix&nbsp;of&nbsp;&nbsp;21*8784. the field &quot;h&quot; represents&nbsp;its corresponding height.</p>

opencc-by-4.0Jan 2023View details →
zenodo36/100

Measurement of the fumarole temperature of the north eastern crater rim of Vesuvius -----Long-term variations of fumarole temperature of the north eastern crater rim of Vesuvius (Italy)

<pre>Measurements of the fumarole temperature of the north eastern edge of Vesuvius have been carried out since 1995. The temperature is measured at a depth of 10 cm using a K-type thermocouple. The coordinate of the fumarole is 33T 451833.1m E - 4519224.8m N.</pre> <pre>The monitored fumarole is the one at the highest altitude present on Vesuvius </pre> <p>The fumarole&nbsp;is characterized by low&nbsp;temperatures (59.5 - 75.6 ˚C) and discharge a mixture of air&nbsp;(46% -72%), steam (25% -45%) and CO2 (0.2% -2%). The air&nbsp;is the main component of&nbsp;fumarole, is most likely included in the upper fluids&nbsp;part of the fumarolic ducts found in the highly permeable products of the Vesuvian cone.&nbsp;</p>

opencc-by-4.0Jul 2022View details →
zenodo36/100

Dataset for article titled "Assessing continuum plasticity postulates with grain stress and local strain measurements in triaxially compressed sand"

<p>Dataset containing raw and processed data from experiments presented in the article titled &quot;Assessing continuum plasticity postulates with grain-scale stress and strain measurements in triaxially-compressed sand&quot;. An enclosed PDF file describes the data.</p>

opencc-by-4.0Jan 2023View details →
zenodo36/100

Dataset related to publication "Improved acoustic thermometry for long-distance temperature measurements"

<p>The&nbsp;zip folder&nbsp;contains dataset used in paper&nbsp;&quot;Improved acoustic thermometry for long-distance temperature measurements&quot; to be published in <em>Sensors </em><strong>2023</strong><em>, 23.&nbsp;</em>Two txt files are provided to explain the content of the csv files.</p> <p>The data were produced within&nbsp;the EMPIR project&nbsp;17IND03 LaVA, Large Volume Metrology Application.</p>

opencc-by-4.0Jan 2023View details →
dryad36/100

A preliminary comparison of a songbird's song repertoire size and other song measures between an urban and a rural site

<p>Characteristics of birdsong, especially minimum frequency, have been shown to vary for some species between urban and rural populations and along urban-rural gradients. However, few urban-rural comparisons of song complexity—and none that we know of based on the number of distinct song types in repertoires—have occurred. Given the potential ability of song repertoire size to indicate bird condition, we primarily sought to determine if number of distinct song types displayed by Song Sparrows (<i>Melospiza melodia</i>) varied between an urban and a rural site. We determined song repertoire size of 24 individuals; 12 were at an urban ('human-dominated') site and 12 were at a rural ('agricultural') site. Then, we compared song repertoire size, note rate, and peak frequency between these sites. Song repertoire size and note rate did not vary between our human-dominated and agricultural sites. Peak frequency was greater at the agricultural site. Our finding that peak frequency was higher at the agricultural site compared to the human-dominated site, contrary to many previous findings pertaining to frequency shifts in songbirds, warrants further investigation. Results of our pilot study suggest that song complexity may be less affected by anthropogenic factors in Song Sparrows than are frequency characteristics. <a name="_Hlk80603521">Additional study, however, will be required to identify particular causal factors related to the trends that we report and to replicate, ideally via multiple urban-rural pairings, so that broader generalization is possible. </a></p>

opencc-zeroFeb 2023View details →
zenodo36/100

Electronic supplemental material for Mann et al. "Multi-decadal records of shoreline erosion reveal the roles of river delta dynamics, hard protection measures, and other interventions in Eastern Ghana"

<p>Electronic supplemental material for Mann et al. &quot;Multi-decadal records of shoreline erosion reveal the roles of river delta dynamics, hard protection measures, and other interventions in Eastern Ghana&quot;</p> <p><br> The supplemental material comprises the database &quot;Geodatabase Ghana.mdb&quot; and the MSc thesis by Aleksandra Serwa (Serwa 2017), the results of which built the foundation for the paper.</p> <p>The database contains one layer with all digitized shorelines (HWL_END) as indicated in table 1 of the manuscript, and additional baseline and transect layers that are necessary for the shoreline change analyses with DSAS (Thieler &amp; Danforth 1994). Further information can be found in Serwa (2017).</p> <p>References:</p> <p>Serwa, A., 2017. Shoreline changes in the Keta Municipal District (Ghana): Evidence from multi-decadal records. Master Thesis, Department of Geosciences, University of Bremen, 88 p.</p> <p><br> Thieler, E.R. &amp; Danforth, W.W., 1994. Historical Shoreline Mapping ( II ): Application of the Digital Shoreline Mapping and Analysis Systems ( DSMS / DSAS ) to Shoreline Change Mapping in Puerto Rico. Journal of Coastal Research, 10(3), pp.600&ndash;620.</p>

opencc-by-4.0Feb 2023View details →
zenodo36/100

Raw Data for the article: COVID-19 safety measures at the Radiology Unit of a Transplant Institute: the non-COVID-19 patient's confidence with safety procedures

<p><strong>Purpose:&nbsp;</strong>To support the wellbeing of both patients and their families, our aim was to investigate the satisfaction of non-COVID in- and out-patients regarding safety measures implemented at our radiology unit of a transplant institute against COVID infection.</p> <p><strong>Materials and methods:&nbsp;</strong>Over a five-month period, adult patients&#39; feedback was obtained by a questionnaire on the fear of contracting COVID-19 during a radiology examination, the perceived delay in treatment, and the following safety measures implemented: modified schedules to limit the number of patients in the waiting area and to maximize social distancing; assistance by staff when visitors were not admitted; cleaning and disinfection of machines; mask wearing and hand hygiene of staff; and staff advice on hand hygiene and infection control precautions.</p> <p><strong>Results:&nbsp;</strong>Over a five-month period, our preliminary results (387 patients) showed general patient satisfaction (99.1%) with safety measures applied at our radiology unit. Patients were satisfied with distancing and assistance by staff (100%), cleaning and disinfection (91%), mask wearing and hand hygiene of the staff (97%), and staff advice (94%). There was some criticism of the perceived delay in treatment (7.3%) and in the scheduling of the waiting list (5.4%), with 5.4% fearing contracting the virus. Patients&#39; awareness of safety measures and confidence in the hospital preparedness policy was perceived by all interviewers, and 100% appreciated being questioned.</p> <p><strong>Conclusion:&nbsp;</strong>The feedback given by the non-COVID patient helps to measure the quality in health care, to improve the quality service, and to protect and satisfy more vulnerable patients, also during the COVID-19 pandemic.</p>

opencc-by-4.0Feb 2023View details →
zenodo36/100

Surface hourly measurement data of O3, NO2 and PM2.5 for "Large modeling uncertainty in projecting decadal surface ozone changes over urban and industrial regions of China"

<p>Surface hourly measurement data of O3, NO2 and PM2.5 during summer of 2017.</p> <p>In the .csv files, the first column contains the ID for each measurement site. &quot;lon&quot;, &quot;lat&quot; are longitude and latitude, respectively.</p> <p>Date format is &quot;YYYYMMDD_hour&quot;.</p>

opencc-by-4.0Feb 2023View details →
zenodo36/100

RT Dataset -- Updated radiative transfer model for Titan in the near-infrared wavelength range: Validation against Huygens atmospheric and surface measurements and application to the Cassini/VIMS observations of the Dragonfly landing area

<p>This dataset contains all Radiative Transfer (RT) results made for the paper.</p> <p>The data are stored in 5&nbsp;zipped-folders names with the Cassini/VIMS cube flyby and id, or explicitly for Huygens/ULIS calibrated observations:</p> <ul> <li>TB_C1481624349_1</li> <li>T40_C1578266417_1</li> <li>T38_C1575509158_1</li> <li>T40_C1578263500_1</li> <li>T40_C1578263152_1</li> <li>ULIS_observations</li> </ul> <p>The TB_C1481624349_1 folder contains the Cassini/VIMS cube over HLS, the HLS end-member (End_member.txt), the surface albedo retrieved by Karkoschka et al. (2016) corrected for the photometry (HLS_Karkoschka_2016_spectrum.txt), and the inverted surface albedo (Surface_albedo.txt).</p> <p>In these folders, each VIMS pixel is stored in a .txt file with the following pattern:</p> <p>&lt;CUBE_ID&gt;_&lt;PIXEL_SAMPLE&gt;_&lt;PIXEL_LINE&gt; .txt</p> <p>It starts with a header describing the observation:&nbsp;</p> <ul> <li>CUBE_ID: the VIMS cube id (`C1234567890_1` format)</li> <li>SAMPLE: the pixel sample number.</li> <li>LINE: the pixel line number.</li> <li>LONG: the pixel longitude (in degree).</li> <li>LAT: the pixel latitude (in degree).</li> <li>INC: the surface incident angle (in degree).</li> <li>EMI: the surface emergent angle (in degree).</li> <li>PHASE: the surface phase angle (in degree).</li> </ul> <p>For the Selk crater cubes (T40_C1578266417_1, T38_C1575509158_1, T40_C1578263500_1, T40_C1578263152_1), the header also contains the spatial sampling and the radiative transfer model outputs:&nbsp;</p> <ul> <li>Spatial sampling (km/pix).</li> <li>Fh: the haze scaling factor.</li> <li>Fm: the mist scaling factor.</li> <li>1-sigma (Fh): the 1-sigma uncertainty on Fh.</li> <li>1-sigma (Fm): the 1-sigma uncertainty on Fm.</li> <li>Reduced chi2: the reduced chi2.&nbsp;</li> </ul> <p>Then contains the observed spectra:</p> <ul> <li>Column 1: the VIMS channel central wavelength (in micrometers).</li> <li>Column 2: the VIMS pixel I/F.</li> <li>Column 3: the VIMS pixel I/F 1-sigma uncertainty.&nbsp;</li> </ul> <p>For the Selk crater cubes (T40_C1578266417_1, T38_C1575509158_1, T40_C1578263500_1, T40_C1578263152_1), 3 columns are added for:&nbsp;</p> <ul> <li>Column 4: the surface albedo.</li> <li>Column 5: the upper 1-sigma uncertainty on the surface albedo.</li> <li>Column 6 : the lower 1-sigma uncertainty on the surface albedo.</li> </ul> <p>The ULIS folder contains the Huygens/ULIS calibrated&nbsp;observations (in I/F) and the simulations with 1-sigma uncertainties as a function of the altitude (in km):</p> <ul> <li>Column 1: the VIMS channel central wavelength (in micrometers), stopped at the end of the Huygens/ULIS wavelength range.</li> <li>Column 2: the ULIS&nbsp;I/F.</li> <li>Column 3&nbsp;: the simulated I/F.</li> <li>Column 4: the lower 1-sigma uncertainty on the simulation.</li> <li>Column 5&nbsp;: the upper 1-sigma uncertainty on the simulation.</li> </ul>

opencc-by-4.0Jan 2023View details →
zenodo36/100

Degenerate four wave mixing measurements - pulsed laser

<p>Transmission from a photonic molecule, measured with photodetector attached to a DAQ and OSA, as a function of detuning, for various input powers. Pulsed&nbsp;laser.</p>

opencc-by-4.0Feb 2023View details →
zenodo36/100

A magnetic measurement technique for small rare samples: pre-study for Chang'e-5 returned and other extraterrestrial samples

<p>Standard-size samples are usually used for traditional paleomagnetic study. In some cases, small irregular samples are employed considering their amount and magnetic strength as well as experiment efficiency. With the development of deep space exploration, the demand for studying small and magnetic weak samples is increasing. In this study, we established a magnetic measurement technique for small rare samples. We designed low-background, sample-nondestructive and high-flexibility holders with various materials for different measurements of small samples. With the customized holders, we estimated uncertainty and reliability of magnetic measurements of small specimens from a terrestrial basalt. The results indicate that susceptibility and remanence of small specimens (<em>e.g.</em>, 2-mm cubes) are more affected by measurement position than larger specimens (&sup3; 5 mm), which reminds us to pay special attention to consistency of the small specimen position during series of measurements. Moreover, susceptibility and remanence of small sister specimens (2-mm and 5-mm cubes) are more scattered than those of large ones (cube length &sup3; 1 cm), mainly due to inhomogeneity of magnetic mineral abundance in the sample. Nevertheless, the average magnetic results of different-size specimens are generally consistent within error, indicating the inhomogeneity of small specimens can be averaged out and demonstrating the reliability of small samples during magnetic measurements. Finally, we tested our measurement system with a lunar meteorite, which mimics the Chang&rsquo;e-5 returned samples in both size and mineralogy. The main minerals of the meteorite are plagioclase, pyroxene, troilite and kamacite. The IRM normalized paleointensity method recovered the expected laboratory field while the ARM corrected paleointensities are about 2-3 times the expected field, where the latter can be explained by inapplicability of the empirical <em>f</em><em>&cent;</em> to the meteorite specimens. The ARM and IRM paleointensity calibration factor <em>f</em><em>&cent;</em> and <em>a</em> of the lunar meteorite were calculated to be 3.89 and 3138 &mu;T, respectively, which provides new constraints for the empirical values. The magnetic results of the lunar meteorite demonstrate the efficiency of our measurement system for small weak samples. This study provides technical support for paleomagnetic study of the Chang&#39;e-5 and other extraterrestrial samples in the future.</p>

opencc-by-4.0Feb 2023View details →
zenodo36/100

Table 9. Result of absorbance measurement of hydroxyproline standard solution at = 559 nm

<p>Table 9. Result of absorbance measurement of &nbsp;hydroxyproline standard solution at = 559 nm</p>

opencc-by-4.0Feb 2023View details →
zenodo36/100

Simulation data of electrostatic wave dispersion relation measurement by MMS

<p>We simulate electrostatic wave packets with an ion-acoustic like dispersion relation traveling at different directions in the probe coordinate system. We&nbsp;then set up a model spacecraft and measure the dispersion relation of the simulated wave packets using a method based on spin-plane interferometry.&nbsp;</p>

opencc-by-4.0Nov 2022View details →
dryad36/100

Data for: Non-invasive measurements of respiration and heart rate across wildlife species using Eulerian Video Magnification of infrared thermal imagery

<p><strong>Background</strong>: An animal's metabolic rate, or energetic expenditure, both impacts and is impacted by interactions with its environment. However, techniques for obtaining measurements of metabolic rate are invasive, logistically difficult, and costly. Red-green-blue (RGB) imaging tools have been used in humans and select domestic mammals to accurately measure heart and respiration rate, as proxies of metabolic rate. The purpose of this study was to investigate if infrared thermography (IRT) coupled with Eulerian video magnification (EVM) would extend the applicability of imaging tools towards measuring vital rates in exotic wildlife species with different physical attributes.</p> <p><strong>Results</strong>: We collected IRT and RGB video of 52 total species (39 mammalian, 7 avian, 6 reptilian) from 36 taxonomic families at zoological institutions and used EVM to amplify subtle changes in temperature associated with blood flow for respiration and heart rate measurements. IRT-derived respiration and heart rates were compared to 'true' measurements determined simultaneously by expansion of the ribcage/nostrils and stethoscope readings, respectively. Sufficient temporal signals were extracted for measures of respiration rate in 36 species (85% success in mammals; 50% success in birds; 100% success in reptiles) and heart rate in 24 species (67% success in mammals; 33% success in birds; 0% success in reptiles) using IRT-EVM. Infrared-derived measurements were obtained with high accuracy (respiration rate, mean absolute error: 1.9 breaths per minute, average percent error: 4.4%; heart rate, mean absolute error: 2.6 beats per minute, average percent error: 1.3%). Thick integument and animal movement most significantly hindered successful validation.</p> <p><strong>Conclusion</strong>: The combination of IRT with EVM analysis provides a non-invasive method to assess individual animal health in zoos, with great potential to monitor wildlife metabolic indices in situ.</p>

opencc-zeroFeb 2023View details →
zenodo36/100

Shear Shock Waves Mediate Haptic Holography via Focused Ultrasound - Vibrometry Measurements with Elastomer Plate

<p><strong>Vibrometry Measurements with Elastomer Plate</strong></p> <p>This dataset is part of a larger repository (DOI: 10.5281/zenodo.5248082) which houses links to the data used in the publication &quot;Shear Shock Waves Mediate Haptic Holography via Focused Ultrasound&quot; <a href="http://www.science.org/doi/10.1126/sciadv.adf2037">(Reardon et al., 2023)</a>. If you use these data please cite our publication (<a href="http://www.science.org/doi/10.1126/sciadv.adf2037">http://www.science.org/doi/10.1126/sciadv.adf2037</a>).</p> <p>This dataset contains the response of a tissue phantom (Gelatin #2, Humimic) to focused ultrasound (UHEV1, Ultrahaptics). The data is provided as .mat files. The files are separated by scanning path (linear and zigzag trajectories) and scanning speed. Details about our experimental procedure can be found in our publication.</p> <p>IMPORTANT - The data provided is the unprocessed output from a laser doppler vibrometer (Ometron, model 8330). The data is NOT time-aligned and must be reconstructed using the reference signal and the map of the measurement locations.</p> <p>&nbsp;</p> <p><strong>Line Paths</strong>&nbsp;- Focused ultrasound scanned along a linear path on the surface of the tissue phantom at one of 5 speeds - 2 m/s, 4 m/s, 7 m/s, 11 m/s, and 15 m/s. The scanning speed is designated in the filename.</p> <p><strong>Zigzag Paths</strong>&nbsp;- Focused ultrasound scanned along a zigzag path on the surface of the tissue phantom with longitudinal scanning speed <em>v<sub>l</sub></em>&nbsp;= 3, 5 m/s. At both speeds, the ultrasound focus was modulated transverse to its primary motion direction at a speed, <em>v<sub>mod</sub></em>, of +-2.5 m/s yielding a zigzag path (2 cm path width). The longitudinal scanning speed is designated in the filename.</p> <p>&nbsp;</p> <p><strong>Data Fields</strong></p> <p><strong>y</strong> (MxN) - 2D array containing the tissue phantom velocity normal to the laser doppler vibrometer (in mm/s) for N measurement locations. All repetitions are included as a single time-domain signal of M timepoints</p> <p><strong>ref</strong>&nbsp;(MxN) - 2D array containing a reference voltage signal taken from the ultrasound phased array. Each of the N measured locations has a reference signal. The beginning of the reference signal identifies the start of a new repetition.</p> <p><strong>nRepetitions</strong>&nbsp;- Number of stimulus repetitions (reps can be averaged to improve the measurement signal-to-noise ratio).</p> <p><strong>fs</strong>&nbsp;- Laser doppler vibrometer sampling rate (in Hz)</p> <p><strong>measurementLocations</strong> (Nx2) - 2D measurement locations on the gelatin surface (x,y; in m) for each of N measurement locations</p>

opencc-by-4.0Feb 2023View details →

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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.

allen-brain-atlas
neuroscienceopenDocumentation, web resources, and API references are available online.
Last verified 2026-04-30Open record

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.

abode-home-cage
behavioral-neuroscienceopenThe DataShare record exposes download links for annotations, documentation, license text, and the zipped per-snippet data directory.
Last verified 2026-04-30Open record

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.

dandi-nwb
electrophysiologyopenPublished Dandiset metadata and archive endpoints are available through the production DANDI API.
Last verified 2026-04-30Open record

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.

ibl
behavioral-neuroscienceopenPublic sessions can be searched and loaded from the IBL public data server through ONE.
Last verified 2026-04-29Open record

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.

openneuro
neuroscienceopenPublished datasets are available on demand over the internet.
Last verified 2026-04-29Open record