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1,294 results for “reactions”
Low Ti Additions to Stabilize Ru‐Ir Electrocatalysts for the Oxygen Evolution Reaction
<p>Abstract:</p> <p>Anodic oxygen evolution reaction (OER) challenges large scale application of proton exchange membrane water electrolyzers (PEMWE) due to sluggish kinetics, high overpotential and extremely corrosive environment. While Ir oxides currently provide the best balance between activity and stability, the scarcity of Ir and corresponding high market price lead to poor cost-benefit factors. Mixing Ir with more stable non-precious Ti reduces the noble metal loading and may implicate stabilization, while addition of more catalytically active Ru ensures a high reaction rate. Here, we examine the activity-stability behavior of Ru-Ir-Ti thin film material libraries with low Ti content under the OER conditions. The high sensitivity to the dissolution of the individual alloy components was achieved by using online and offline inductively coupled plasma mass<br>spectrometry (ICP-MS) analysis. Our data reveal that even low Ti additions improve the stability of Ru-Ir catalysts without sacrificing activity. In particular, 5 at. % of Ti enable stability increase of Ir in the Ru-Ir catalyst by a factor of 3. Moreover, this catalyst exhibits higher activity compared to the Ti-free Ru-Ir alloys with similar Ir content. Observed activity-stability trends are discussed in light of X-ray photoelectron spectroscopy data.</p>
Reaction between serpentinite-equilibrated fluid and sulfide-bearing metagabbo at high P-T conditions
<p>This repository contains the output files of the reaction-path models that simulate the reaction between fluid that is previously in equilibrium with serpentinite and a sulfide-bearing metagabbro over a range of oxygen fugacity. This repository contains supplementary information in support of the manuscript entitled "Mobilization of isotopically heavy sulfur during serpentinite subduction" by Schwarzenbach and coworkers in Science Advances.</p>
Quantitative analysis of electroporation-mediated intracellular delivery via bioorthogonal luminescent reaction
<p>The data of the paper entitled "Quantitative analysis of electroporation-mediated intracellular delivery via bioorthogonal luminescent reaction"</p>
Fictive reactions validated by TTL with USPTO as source of molecules - equilibrated subset (1M)
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Dataset of a manuscript entitiled "Unraveling the enhancement of oxygen evolution reaction activity by incorporating chromium into nickel hydroxide nanosheets"
<p>Dataset of a manuscript entitiled "Unraveling the enhancement of oxygen evolution reaction activity by incorporating chromium into nickel hydroxide nanosheets"</p> <p>Not yet submitted.</p>
Supplementary data for "Computational Investigation of RO2 + HO2 and RO2 + RO2 Reactions of Monoterpene Derived First-Generation Peroxy Radicals Leading to Radical Recycling", revised version submitted to J. Phys. Chem. A
<p>log files (Gaussian 09) and out files (Orca 4.0)</p> <p>(Note: Files_final.zip contains all the same log and out files as Files.zip, but also few additional structures added during the revision process, namely two additional RO2 from ocimene ozonolysis, and one additional transition state for a RO2 + HO2 reaction. Please ignore the file Files.zip.)</p>
Reaction times of spatially coherent and incoherent signals in a word recognition task
<p>Using conventional sound design, the audio signal in virtual reality applications is often rendered as a static stereophonic signal. It is accompanied by a visual signal that allows for interactive behavior such as looking around. In the current test, the influence of spatial offset between the audio and visual signals is investigated using reaction time measurements in a word recognition task. The audio-visual offset is introduced by a video presented at horizontal offset angles between 21, accompanied with a static central audio. Measurements are compared to reaction times from a test where both audio and visual signal are presented with the same angle. Results show that audio-visual offsets between 10 and 20 cause significant differences in reaction time compared to spatially matched presentation.</p> <p>This dataset provides the files used for creating these results, such as video files, MaxMSP patches, Analyses in MATLAB</p>
Limits of perceived audio-visual spatial coherence as defined by reaction time measurements
<p>Data accompanying the paper "Limits of perceived audio-visual spatial coherence as defined by reaction time measurements" published in Frontiers in Neuroscience, May 2019.</p>
Data for the "Systems NMR: simultaneous quantification of RNA, protein, and metabolite reaction dynamics for biomolecular network analysis."
<p>This dataset contains raw NMR data used in the publication.</p> <p>Detailed protocol for the presented NMR setup and analysis is included in the publication, and at https://github.com/systemsnmr/ivtnmr.</p> <p>v0.2 includes the integr_results_31P_pure_PO4.txt files - phosphate-spectra integration files which were missing in v0.1 submission.</p>
Simulation data files of the article: "Gas accretion damped by dust back-reaction at the snowline"
<p>We make available here the simulation output files used in the paper "Gas accretion damped by dust back-reaction at the snowline" by Gárate et al. (submitted to A&A). The simulation shows the gas and dust evolution of a protoplanetry disk around the snowline, considering the dust back-reaction.</p> <p>The simulations were performed using TwoPopPy (Birnstiel et al, 2012) to solve the advection of gas and dust.</p> <p>Each file corresponds to one simulation. Each files contains the radial profile of the physical properties at different snapshots.</p> <p>The simulation data is saved in numpy format. We include the jupyter notebook as a guide of how to read and plot the simulation files.</p>
simple_reaction
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Quasi-2D Finite Volume Modeling of Corona Discharges for Ionic Propulsion: Comparison of Reduced Reaction Schemes
<p>This work investigated the effects of different kinetic models on the results of corona discharge simulations of a wire-cylinder geometry. The considered dry air kinetic models are: a 6-species model from Parent et al. (<a title="https://doi.org/10.1016/j.jcp.2013.11.029" href="https://doi.org/10.1016/j.jcp.2013.11.029" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.jcp.2013.11.029</a>), a Townsend-like model (<a title="http://dx.doi.org/10.1088/0022-3727/30/4/017" href="http://dx.doi.org/10.1088/0022-3727/30/4/017" target="_blank" rel="noreferrer noopener">http://dx.doi.org/10.1088/0022-3727/30/4/017</a>) and the simple model proposed by Mateo-Velez et al. (<a title="http://dx.doi.org/10.1088/0022-3727/41/3/035205" href="http://dx.doi.org/10.1088/0022-3727/41/3/035205" target="_blank" rel="noreferrer noopener">http://dx.doi.org/10.1088/0022-3727/41/3/035205</a>).</p>
Dataset for "Global Sensitivity Analysis of Nitric Oxide-Related Chemical Reaction Rates in the Global Ionosphere Thermosphere Model"
<p>This repository contains all the datasets and scripts used to generate the figures in the paper tilted "Global Sensitivity Analysis of Nitric Oxide-Related Chemical Reaction Rates in the Global Ionosphere Thermosphere Model". The data and scripts are organized according to the figure numbers to facilitate ease of use and reproducibility.</p> <p><strong>Directory Structure</strong><br>Each figure has its own dedicated folder. Inside each folder, you will find:</p> <p><strong>Data files: </strong>These files contain the dataset used to generate the corresponding figure.<br><strong>Scripts: </strong>Python or other relevant scripts needed to process the data and create the figure.<br><strong>README.txt: </strong>Each figure folder includes a separate README.txt file that provides detailed instructions on how to run the scripts.<br><strong>How to Use</strong><br>Navigate to a Figure's Folder: Locate the folder corresponding to the figure number you are interested in (e.g., Fig_01, Fig_02, etc.).</p> <p>Read the README.txt: Open the README.txt file in that folder. It contains specific instructions on how to execute the code and generate the figure, along with any necessary setup details.</p> <p><strong>Run the Scripts:</strong> Follow the instructions in the README.txt file to run the script(s) and generate the figure.</p>
Hard X-ray photoelectron spectroscopy probing Fe segregation during oxygen evolution reaction
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Dataset for "Dynamical Study of the Reaction of N+ Ions with O2 Neutrals"
<p>Dataset for "Dynamical Study of the Reaction of N+ Ions with O2 Neutrals"</p>
Dataset for "Reaction dynamics of the methoxy anion CH3O- with methyl iodide CH3I"
<p>Dataset for "Reaction dynamics of the methoxy anion CH3O- with methyl iodide CH3I"</p>
Dataset for "Imaging the ion-molecule reaction dynamics of O- + CD4"
<p>Dataset for "Imaging the ion-molecule reaction dynamics of O- + CD4"</p>
Dataset related to "An experimental and computational study of the unimolecular-decay reaction of diethyl-substituted Criegee Intermediate (C2H5)2COO"
<p>This dataset was created in a study with the following title "An experimental and computational study of the unimolecular-decay reaction of diethyl-substituted Criegee Intermediate (C2H5)2COO"</p>
Primary data for manuscript provisionally titled, "Ring-expansion reactions of Cyrene and derivatives with ethyl diazoacetate"
<p>1H and 13C NMR FID files and HRMS spectra for the manuscript titled, "Ring-expansion reactions of Cyrene and derivatives with ethyl diazoacetate". FID files can be opened using NMR processing software such as Topspin or Spinworks.</p>
From individuals to populations: How intraspecific competition shapes thermal reaction norms
1. Most ectotherms follow the temperature-size rule (TSR): in cold environments individuals grow slowly but reach a large asymptotic length. Intraspecific competition can induce plastic changes of growth rate and asymptotic length and competition may itself be modulated by temperature. 2. Our aim is to disentangle the joint effects of temperature and intraspecific competition on growth rate and asymptotic length. 3. We used two distinct clonal lineages of the Collembola Folsomia candida, to describe thermal reaction norms of growth rate, asymptotic length and reproduction over 6 temperatures between 6°C and 29°C. In parallel, we measured the long-term size-structure and dynamics of populations reared under the same temperatures to measure growth rates and asymptotic lengths in populations and to quantify the joint effects of competition and temperature on these traits. 4. We show that intraspecific competition modulates the temperature-size rule. In dense populations there is a direct negative effect of temperature on asymptotic length, but there is no temperature dependence of the growth rate, the dominant factor regulating growth being competition. The two lineages responded differently to the joint effects of temperature and competition on growth and asymptotic size and these genetic differences have marked effects on population structure along our temperature gradient. 5. Our results reinforce the idea that the TSR response of ectotherms can be modulated by biotic and abiotic stressors when studied in non-optimal laboratory experiments. Untangling complex interactions between environment and demography will help to understand how size will respond to environmental change and how climate change may influence population size structure.
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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.
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.