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High-Speed Video Recordings of Wheel-Rail Traction Enhancement Using a Full-Scale Testing Platform - Sander Position & Angle Aimed at Rail
<p>A database of 4 high-speed video recordings of rail-sanding process using a full-scale testing platform is provided in this data note. The videos are recorded for various case studies, namely different positioning of the sander nozzle aiming at the rail, nip, and wheel with various angles, and different materials used as rail-sand. The particle velocities can be extracted from these high-speed videos using particle image velocimetry software. The spread angle of the particles as they flow out of the nozzle can also be measured with the use of image processing software. The data extracted from these high-speed recording can be utilised for calibration, validation, and verification of experimental and numerical set-ups, as well as for training artificial intelligence models.</p>
Hourly Water Demand of a Mixed District Recorded by Supplier
<p>This dataset contains time-resolved measurements of water consumption in cubic meter taken between January 2016 and March 2021 at a temporal resolution of 1 hour. Measurements of water consumption were collected at a pumping station in a regional water supply network for a mixture of residential, commercial and industrial consumers in Germany.</p> <p>The supply network consists of multiple containers, which are fed through a series of water pumps. Predicting the demand of water can help optimize the cost of water pump operation, ensure the required supply, and avoid storing superfluous amounts of water for extended time.</p> <p>This dataset was provided by Siemens AG for the purpose of a study at KIT (Karlsruhe Institute of Technology), which can be a found <a href="http://arxiv.org/abs/2405.03429" target="_blank" rel="noopener">here</a> (http://arxiv.org/abs/2405.03429).</p> <p><strong>Three variants are provided:</strong><br>1. The raw dataset<br>2. A NaN-free version where missing data has been fixed by interpolation and a large missing stretch in June 2017 has been filled with averages from previous years.<br>3. A NaN-free version with hours filled in or removed to compensate for time change and ensure all days have 24 hours.</p> <p><strong>The dataset columns are:</strong><br>Date: Date in format (M)M/(D)D/YYYY<br>Time: Hour of day in the format [start time]-[end time], with each time in the format HH:MM<br>Consumption: Water consumption in cubic meters<br>Temperature: Local temperature in centigrade<br>Rain: Local precipitation in arbitrary units<br>Sun: Local sunshine intensity in arbitrary units</p>
Fig. 1 in The First Record of Intestinal Ciliates from the Mountain Zebra (Equus zebra) in South Africa
Fig. 1. (A–O) Endosymbiotic ciliates from mountain zebra of South Africa: A – Alloiozona trizona, B – Holophryoides macrotricha, C – Blepharosphaera ceratotherii, D – Holophryoides ovalis, E – Blepharocorys angusta m. triangulata, F – Blepharocorys angusta m. ovata, G – Blepharoprosthium pireum, H – Blepharoconus sp., I – Bundleia postciliata, J – Bundleia piriformis, K – Bundleia inflata, L – Bundleia benbrooki. M – Spirodinium nanum, N – Triplumaria sp. "A", O – Triplumaria sp. "B". Differential interference contrast, N, O – reconstruction from 3 images. Scale bars: 10 µm.
Figure 3 in Anoplodactylus (Pycnogonida: Phoxichilidiidae)from Brazil, new records and two new species
Figure 3. Anoplodactylus ricardoi sp. nov. (UFPB.PYC–245). Adult male. Habitus: a, dorsal view (scale bar: 1 mm); b, lateral view (scale bar: 1 mm); d, lateral process (scale bar: 0.05 mm); e, chela (scale bar: 0.05 mm); f, oviger (scale bar: 0.1 mm); g, leg 3 (scale bar: 0.25 mm; detail of g: 0.025 mm); h, propodus (scale bar: 0.05 mm). (UFPB.PYC–134) Adult female. c, proboscis ventral view (scale bar: 1 mm).
Figure 4 in Anoplodactylus (Pycnogonida: Phoxichilidiidae)from Brazil, new records and two new species
Figure 4. Anoplodactylus ganchiformis sp. nov. (UFPB.PYC–242). Adult male. Habitus: a, dorsal view (scale bar: 1 mm); b, lateral view (scale bar: 1 mm); e, chela (scale bar: 0.06 mm); f, oviger (scale bar: 0.05 mm); g, leg 3 (scale bar: 2.5 mm; detail of g, 0.05 mm); h, coxa 2 of leg 4 (scale bar: 0.1 mm); i, propodus (scale bar: 0.05 mm); j, pores in the body (scale bar: 0.025 mm). (UFPB.PYC–217) Adult female. C, proboscis ventral view (scale bar: 0.025 mm); d, alar process (scale bar: 0.25 mm; detail of d, 0.025 mm).
Figure 2. Anoplodactylus monotrema Stock, 1979 in Anoplodactylus (Pycnogonida: Phoxichilidiidae)from Brazil, new records and two new species
Figure 2. Anoplodactylus monotrema Stock, 1979 (UFPB.PYC–127). Adult male. Habitus: a, dorsal view (scale bar: 1 mm); b, lateral view (scale bar: 1 mm); c, proboscis ventral view (scale bar: 0.05 mm); d, chela (scale bar: 0.1 mm); e, oviger (scale bar: 0.25 mm; detail of e: 0.05 mm); f, leg 3 (scale bar: 0.25 mm; detail of f, 0.05 mm); g, propodus (scale bar: 0.05 mm; detail of g, 0.025 mm).
Fig. 2. Caponina cajabamba Platnick, 1994. A–C in Update in the Peruvian Caponiidae: New records and new species of Nyetnops Platnick & Lise, 2007 (Araneae: Caponiidae)
Fig. 2. Caponina cajabamba Platnick, 1994. A–C. ♂ (MUSM–ENT 0515824). D–E. ♀, (MUSM– ENT 0515825). A. Left palp, prolateral view. B. Left palp, ventral view. C. Left palp, retrolateral view. D. External genitalia, ventral view. E. Internal genitalia, dorsal view. Scale bars: A–C = 0.5 mm; D–E = 0.25 mm.
Fig. 7 in Update in the Peruvian Caponiidae: New records and new species of Nyetnops Platnick & Lise, 2007 (Araneae: Caponiidae)
Fig. 7. Nyetnops madre Villarreal & Martínez sp. nov. A–B. ♂, holotype (MUSM–ENT 0503213). C–D. ♀, paratype (MUSM–ENT 0503206). A. Left palp, prolateral view. B. Left palp, retrolateral view. C. External genitalia, ventral view. D. Internal genitalia, dorsal view. Scale bars = 0.5 mm.
Fig. 4 in Update in the Peruvian Caponiidae: New records and new species of Nyetnops Platnick & Lise, 2007 (Araneae: Caponiidae)
Fig. 4. Nyetnops alexanderi Villarreal & Martínez sp. nov. A–B. ♂, holotype (MUSM–ENT 0506888). C–D. ♀, paratype (MUSM–ENT 0506887). A. Left palp, prolateral view. B. Left palp, retrolateral view. C. External genitalia, ventral view. D. Internal genitalia, dorsal view. Scale bars = 0.5 mm.
Fig. 9 in Update in the Peruvian Caponiidae: New records and new species of Nyetnops Platnick & Lise, 2007 (Araneae: Caponiidae)
Fig. 9. Nyetnops josei Villarreal & Martínez sp. nov., ♂, holotype (MUSM–ENT 0515886). A. Habitus, dorsal view. B. Habitus, ventral view. C. Prosoma, dorsal view. D. Prosoma, ventral view. Scale bars: A–B = 1 mm; C–D = 0.5 mm.
Fig. 3 in Update in the Peruvian Caponiidae: New records and new species of Nyetnops Platnick & Lise, 2007 (Araneae: Caponiidae)
Fig. 3. Nyetnops alexanderi Villarreal & Martínez sp. nov. A–B, E, G. ♂, holotype (MUSM–ENT 0506888). C–D, F, H. ♀, paratype (MUSM–ENT 0506887). A–B. Habitus, dorsal view. C–D. Habitus, ventral view. E–F. Prosoma, dorsal view. G–H. Prosoma, ventral view. Scale bars = 1 mm.
Fig. 8 in Update in the Peruvian Caponiidae: New records and new species of Nyetnops Platnick & Lise, 2007 (Araneae: Caponiidae)
Fig. 8. Nyetnops madre Villarreal & Martínez sp. nov., ♂, paratype (MUSM–ENT 0515830). A, C. Left palp, dorsal view. B, F. Tip of the embolus, prolateral view. D. Tip of the embolus, proventral view E. Copulatory bulb, prolateral view. G. Copulatory bulb, retrolateral view. H. Tip of the embolus, dorsal view. Scale bars: A, C, E, G = 0.1, mm; B, D, F, H = 0.01 mm.
Fig. 5 in Update in the Peruvian Caponiidae: New records and new species of Nyetnops Platnick & Lise, 2007 (Araneae: Caponiidae)
Fig. 5. Nyetnops alexanderi Villarreal & Martínez sp. nov., ♂ (MUSM–ENT 0506895). A. Copulatory bulb, retrolateral view. B, D. Tip of the embolus, retrolateral view. C, E. Copulatory bulb, dorsal view. F. Tip of the embolus, proventral view. G. Copulatory bulb, prolateral view. H. Tip of the embolus, prolateral view. Scale bars: A, C, E, G = 0.1 mm; B, D, F, H = 0.01 mm.
Fig. 6 in Update in the Peruvian Caponiidae: New records and new species of Nyetnops Platnick & Lise, 2007 (Araneae: Caponiidae)
Fig. 6. Nyetnops madre Villarreal & Martínez sp. nov. A–B, E, G. ♂, holotype (MUSM–ENT 0503213). C–D, F, H. ♀, paratype (MUSM–ENT 0503206). A–B. Habitus, dorsal view. C–D. Habitus, ventral view. E–F. Prosoma, dorsal view. G–H. Prosoma, ventral view. Scale bars = 1 mm.
Fig. 10 in Update in the Peruvian Caponiidae: New records and new species of Nyetnops Platnick & Lise, 2007 (Araneae: Caponiidae)
Fig. 10. Nyetnops josei Villarreal & Martínez sp. nov., ♂, holotype (MUSM–ENT 0515886). A. Left palp, prolateral view. B. Left palp, retrolateral view. Scale bars = 0.5 mm.
Fig. 1. Caponina cajabamba Platnick, 1994. A–B, E, G in Update in the Peruvian Caponiidae: New records and new species of Nyetnops Platnick & Lise, 2007 (Araneae: Caponiidae)
Fig. 1. Caponina cajabamba Platnick, 1994. A–B, E, G. ♂ (MUSM–ENT 0515824). C–D, F, H. ♀ (MUSM–ENT 0515825). A–B. Habitus, dorsal view. C–D. Habitus, ventral view. E–F. Prosoma, dorsal view. G–H. Prosoma, ventral view. Scale bars = 1 mm.
EEG recordings during resting-state and the maintenance periods of a spatial working memory task in humans
<p>Scripts used to analyze data for the manuscript submitted for publication in EJN</p> <p><strong>Script_Curve_Fitting_HBM.rtf</strong></p> <p>Dr. Hadj Boumediene Meziane: hbmeziane@gmail.com </p> <p><span>We therefore considered this continuous change in power as an extraneous variable </span><em><span>y<sub>k</sub>(x)</span></em><span> impacting the measured power spectrum </span><em><span>Pow(E<sub>k</sub>)</span></em><span>, and modeled it with a binomial equation that best fit the data, where the coefficients in <em>p<sub>i</sub></em> are in descending powers, and the length of <em>p</em> is <em>(n+1), k </em>is trial number (<em>k = 1 to 10</em>):</span></p> <p><strong><em><span>y<sub>k</sub>(x) = p<sub><span>1 </span></sub>. x<sup><span>2</span></sup><span><span> </span></span>+ p<sub><span>2 </span></sub>. x<span> </span>+ p<sub><span>3</span></sub></span></em></strong></p> <p><span>In order to statistically compare the topographies between the trials with perfect recall and the trials with failed recall, we subtracted this variable from the mean spectral topographies of each subject and for each electrode by first producing the mean spectral curves of each maintenance trial in the theta and alpha frequency bands, taking into account the IAF, and then calculating the coefficients (</span><em><span>p<sub>1</sub></span></em><span>, </span><em><span>p<sub>2</sub></span></em><span> and </span><em><span>p<sub>3</sub></span></em><span>) of the binomial equation using the Matlab function <em>polyfit.m.</em> Once the coefficients were determined, this estimate was subtracted from each power spectrum matrix using the following formula:</span></p> <p><strong><em><span>PowFit(E<sub><span>k</span></sub>) = Pow (E<sub><span>k</span></sub>) – </span></em></strong><strong><em><span>y<sub>k</sub>(x)</span></em></strong></p> <p> </p> <p><strong>Script_Perf_Fail_EEG_Power_Spec_HBM.rtf</strong></p> <p>Dr. Hadj Meziane: hbmeziane@gmail.com<br>This script calculates EEG power spectra then compares perf and fail conditions, then plots brain topographies with statical results</p> <p> </p> <p><strong>Script_Perf_Fail_EEG_Sources_Spec_HBM.rtf</strong></p> <p>Dr. Hadj Boumediene Meziane: hbmeziane@gmail.com<br>This script compares EEG source spectra then compares Perf vs. Fail conditions then plot statistical results (significant voxels) on MRI volume</p>
Fig. 3 in New distributional records of the Toad-headed Pitviper Bothrocophias hyoprora (Amaral, 1935) in Brazil
Fig. 3. Adult Bothrocophias hyoprora (UF 157255) from Altamira, Pará, Brazil. Photography by Ivanei S. Araujo.
Fig. 1 in New distributional records of the Toad-headed Pitviper Bothrocophias hyoprora (Amaral, 1935) in Brazil
Fig. 1. Known geographic range of Bothrocophias hyoprora in South America: white circles = literature data, red star = type locality, red squares = records from Jardim do Ouro, Itaituba, Pará, Brazil (MPEG 24662) and from Floresta Estadual Canutama, Canutama, Amazonas, Brazil (INPA-H 33106), red triangle = record from Chapleau mining company concession, Altamira, Pará, Brazil (UF 157255).
Fig. 2 in New distributional records of the Toad-headed Pitviper Bothrocophias hyoprora (Amaral, 1935) in Brazil
Fig. 2. Adult Bothrocophias hyoprora (INPA-H 33106) from Canutama, Amazonas, Brazil. Photography by Vinícius T. de Carvalho.
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.