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2,118 results for “Metal”
MetalHawk: Enhanced Classification Of Metal Coordination Geometries by Artificial Neural Networks
<p>The data used to train and validate the CSD-NN and PDB-NN models. These neural networks built in Scikit-learn and are trained to recognize the geometry and coordination number of a metal site from the geometric features including distances and angles of the six atoms closest to the metal. The sites are stored as .pdb files composed of all atoms falling within 10 angstroms of the central metal atom and they include both metal complexes deposited in the Cambridge Structural Database (CSD, Version 5.42-5.43) and bioinorganic sites deposited in the Protein Data Bank (PDB), retrieved through the MetalPDB interface (up to the end of 2018). The sites are divided in seven geometry classes: linear (LIN), trigonal planar (TRI), tetrahedral (TET), square planar (SPL), square pyramidal (SQP), trigonal bipyramidal (TBP) and octahedral (OCT).</p> <p>The number of metal sites in each file is the following:</p> <p>CSD_dataset_pdbs.zip - 110K </p> <p>CSD_validation_dataset_pdbs.zip - 1369</p> <p>PDB_dataset_pdbs.zip file - 2960</p> <p>PDB_validation_dataset_pdbs.zip - 106</p> <p>The file images_and_data_analysis.zip contains all data and code required to replicate the figures shown in the paper.</p> <p>The benchmark_fp.zip file contains code for the benchmark of Metalhawk and its comparison to Findgeo, another tool for coordination geometry classification.</p>
Dataset for 'BiVO4 photoanodes enhanced with metal phosphide co-catalysts: relevant properties to boost photoanode performance'
<p>Dataset for 'BiVO4 photoanodes enhanced with metal phosphide co-catalysts: relevant properties to boost photoanode performance'</p> <p>More details in the Manuscript under open access</p>
Dataset for 'Using Metal Oxide Gas Sensors for the Estimate of Methane Controlled Releases: Reconstruction of the Methane Mole Fraction Time-Series and Quantification of the Release Rates and Locations'
<p> </p> <p>This dataset is associated with the research entitled: 'Using Metal Oxide Gas Sensors for the Estimate of Methane Controlled Releases: Reconstruction of the Methane Mole Fraction Time-Series and Quantification of the Release Rates and Locations’. It contains raw data from six low-cost sensor loggers and one anemometer, collected during an experiment consisting of a series of controlled releases conducted in October 2019 at the TADI (TotalEnergies Anomaly Detection Initiative) platform.</p> <p><strong>Dataset Structure:</strong></p> <p>- `time`: Timestamp, marking the exact time the data was collected.<br> - `CH4`: Methane concentration measured by the reference instrument in parts per million (ppm).<br> - `2611C`: Voltage variation measured by the Figaro TGS 2611C-00 MOS sensor in volts (V).<br> - `2600`: Voltage variation measured by the Figaro TGS 2600 MOS sensor in volts (V).<br> - `2611E`: Voltage variation measured by the Figaro TGS 2611E-00 MOS sensor in volts (V).<br> - `RH_DHT22`: Relative humidity measured by the DHT22 sensor in percentage (%).<br> - `RH_SHT75`: Relative humidity measured by the SHT75 sensor in percentage (%).<br> - `T_DHT22`: Air temperature measured by the DHT22 sensor in degrees Celsius (°C).<br> - `T_SHT75`: Air temperature measured by the SHT75 sensor in degrees Celsius (°C).<br> - `T_BMP180`: Air temperature measured by the BMP180 sensor in degrees Celsius (°C).<br> - `T_BMP280`: Air temperature measured by the BMP280 sensor in degrees Celsius (°C).<br> - `P_BMP180`: Atmospheric pressure measured by the BMP180 sensor in pascals (Pa).<br> - `P_BMP280`: Atmospheric pressure measured by the BMP280 sensor in pascals (Pa).<br> - `Release`: Number of the controlled release.</p> <p><strong>Acknowledgment:</strong></p> <p>When using this dataset, please reference the original research paper titled ‘Using Metal Oxide Gas Sensors for the Estimate of Methane Controlled Releases: Reconstruction of the Methane Mole Fraction Time-Series and Quantification of the Release Rates and Locations’.</p> <p><strong>Contact Information:</strong></p> <p>Olivier Laurent (olivier.laurent@lsce.ipsl.fr)</p> <p> </p>
Facet-dependent Strong Metal Support Interactions Control the C-O Bond Activation
<p>Reducible metal oxides are selective and effective in C–O bond scission of hydrodeoxidation reactions (HDO) via the reverse Mars–van Krevelen mechanism. Creating efficient redox centers while minimizing metal surfaces leads to highly selective catalysts. Single noble metal atoms activate the surface M-O bond, but the catalyst activity is limited due to low loading. Here, we report that the strong metal-support interaction (SMSI) between Ir and CeO<sub>2</sub> is facet sensitive, and certain facets regulate the C-O bond cleavage. At 300 <sup>o</sup>C reduction, Ir is mostly encapsulated on an octahedron by (111) facets but remains exposed by (110) facets. The former is selective whereas the latter is not. Density Functional Theory (DFT) indicates that Ir encapsulation is favored on (111) under reaction conditions, and oxygen vacancies more readily form on encapsulated Ir than on pristine ceria.</p>
Universal potentials and corresponding data sets for metal clusters
<p>These potentials (*.pb) have been constructed using the data sets including the boxes, structural coordinates, energies and atomic forces of metal clusters, where the data sets have been generated using the concurrent learning workflow. For each metal cluster system, including pure metal clusters and alloys, the sample ensemble is maintained under NVT conditions with a temperature range spanning from approximately 50.0K to 1500 K. The system sizes encompass a range from small clusters to surfaces and bulk structures, which are subjected to periodic boundary conditions. In the case of alloys, the explorations are conducted throughout the entire concentration space, with each species varying in composition from 0 to 1.</p> <p>This dataset is maintained in AI2DB, you can access it via https://ai2db.ikkem.com/dynacat</p>
FIGURES 28–29. The living female Pimpla cyanator Morley, 1914 in Re-evaluation of the taxonomic confusion of the metallic-blue Pimpla Fabricius, 1804 (Hymenoptera: Ichneumonidae: Pimplinae) species in the Oriental region
FIGURES 28–29. The living female Pimpla cyanator Morley, 1914 found in Syueshan giant tree, Heping, Taichung City, Taiwan. 28, a living individual; 29, a living individual searching on the moss land. Photographed by Shipher Wu. Scale bars: 28, 10 mm.
FIGURES 12–17 in Re-evaluation of the taxonomic confusion of the metallic-blue Pimpla Fabricius, 1804 (Hymenoptera: Ichneumonidae: Pimplinae) species in the Oriental region
FIGURES 12–17. The female of the Taiwanese Pimpla cyanator Morley, 1914, NTM. 12, lateral habitus; 13, apex of ovipositor; 14, head in dorsal view, mesoscutum and scutellum; 15, face in anterior view; 16, propodeum in dorsal view; 17, tergites I–III in dorsal view. Photographed by Hsuan-Pu Chen. Scale bars: 12, 3 mm; 13, 0.5 mm; 14–17, 1 mm.
FIGURES 6–11 in Re-evaluation of the taxonomic confusion of the metallic-blue Pimpla Fabricius, 1804 (Hymenoptera: Ichneumonidae: Pimplinae) species in the Oriental region
FIGURES 6–11. The holotype of Coccygomimus alishanensis Kusigemati, 1984 (=Pimpla alishanensis), SEHU. 6, dorsal habitus; 7, labels; 8, face in anterior view; 9, fore coxa; 10, lateral habitus; 11, propodeum in lateral view. Photographed by Hsuan-Pu Chen. Scale bars: 3 mm.
FIGURES 18–22 in Re-evaluation of the taxonomic confusion of the metallic-blue Pimpla Fabricius, 1804 (Hymenoptera: Ichneumonidae: Pimplinae) species in the Oriental region
FIGURES 18–22. The male of the Taiwanese Pimpla cyanator Morley, 1914, TFRI. 18, lateral habitus; 19, tyloids on the male flagellomeres indicated by the white triangle; 20, face in anterior view; 21, male genitalia and hypopygium; 22, propodeum and tergite I in dorso-lateral view. Photographed by Hsuan-Pu Chen. Scale bars: 18, 3 mm; 19–21, 0.5 mm; 22, 1 mm.
FIGURES 23–27 in Re-evaluation of the taxonomic confusion of the metallic-blue Pimpla Fabricius, 1804 (Hymenoptera: Ichneumonidae: Pimplinae) species in the Oriental region
FIGURES 23–27. Variation in the Taiwanese specimens of Pimpla cyanator Morley, 1914, TFRI (23, 27), TARI (24, 26), NTM (25). 23, alcohol-treated specimen; 24, faded historical specimen; 25, female fore coxae without yellow spot; 26, female fore coxae with yellow spot indicated by the white triangle; 27, male fore coxae. Photographed by Hsuan-Pu Chen. Scale bars: 23–24, 3 mm; 25–27, 0.5 mm.
FIGURES 1–5 in Re-evaluation of the taxonomic confusion of the metallic-blue Pimpla Fabricius, 1804 (Hymenoptera: Ichneumonidae: Pimplinae) species in the Oriental region
FIGURES 1–5. The holotype of Pimpla cyanea Morley, 1913 (=Pimpla cyanator Morley, 1914), NHMUK. 1, dorsal habitus; 2, face in anterior view; 3, labels; 4, lateral habitus; 5, propodeum in dorsal view. Photographed by Gavin Broad. © Trustees of the Natural History Museum, London (available under CC-BY 4.0). Scale bars: 4, 5 mm.
2021 - Year of the Metal Ox
Happy Chinese Yew Year 2021!! Source: Objaverse 1.0 / Sketchfab
Kanzashi - Metal
Kanzashi - Metal. FBX / PBR. 2k textures. Source: Objaverse 1.0 / Sketchfab
Trial of Drug Eluting Stent Versus Bare Metal Stent to Treat Coronary Artery Stenosis
ClinicalTrials.gov study NCT00811772. IPD Sharing: UNDECIDED. Countries: 1. Publications: 3.
Efficacy Study of Drug-eluting and Bare Metal Stents in Bypass Graft Lesions
ClinicalTrials.gov study NCT00611910. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Biliary Drainage Preceding Possible Pancreaticoduodenectomy. Are Self-expandable Metallic Stents (SEMS) Superior to Plastic Stents?
ClinicalTrials.gov study NCT03350763. IPD Sharing: NO. Countries: 1. Publications: 3.
A Validated Necrosis Assay to Determine the Need for Revision Surgery in Metal-on-metal Total Hip Arthroplasty
ClinicalTrials.gov study NCT02208271. IPD Sharing: Not stated. Countries: 1. Publications: 9.
Trace Elements and Heavy Metals at PPROM
ClinicalTrials.gov study NCT04077944. IPD Sharing: UNDECIDED. Countries: 1. Publications: 3.
Assessment of Pain When Removing Metallic Brackets for Orthodontic Patients Using Two Removal Methods
ClinicalTrials.gov study NCT06873503. IPD Sharing: NO. Countries: 1. Publications: 5.
Covered Stents Versus Bare-Metal Stents
ClinicalTrials.gov study NCT02428582. IPD Sharing: Not stated. Countries: 1. Publications: 2.
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Allen Brain Atlas
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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.