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181 results for “Stability studies”
Dataset of "Strain-Engineered Ir Shell Enhances Activity and Stability of Ir-Ru Catalysts for Water Electrolysis: An Operando Wide-Angle X-Ray Scattering Study"
<p>Ir-Ru alloys with high Ru content serve as stable and highly active catalysts for the oxygen evolution reaction (OER) in Proton Exchange Membrane Water Electrolyzers (PEM-WEs), enabling efficient operation with remarkably low Ir loadings (150 µg cm-²). Despite this, the mechanisms behind their enhanced stability remain unclear. In this study, we employ operando Wide-Angle X-ray Scattering (WAXS) and complementary ex-situ techniques to investigate the structural evolution of these magnetron-sputtered alloys within a PEM-WE cell. Our results reveal that, upon potential application, Ru is leached from the surface, leading to the formation of a bimetallic Ir-Ru@IrOx core-shell structure. The Ir shell, significantly strained by the underlying Ir-Ru core, exhibits substantially higher catalytic activity than pure Ir. Notably, the Ir-Ru 25:75 catalyst shows superior stability over Ir-Ru 50:50, despite its higher Ru content, due to a more robust Ir shell that protects subsurface Ir and Ru from oxidation and dissolution. This study not only clarifies the performance-enhancing mechanisms of Ir-Ru catalysts but also suggests that other, more economical materials such as Co, Os, or Ti could serve as effective cores in Ir-M systems, offering a pathway to more cost-effective catalysts for PEM-WE applications.</p>
Coverage-Dependent Stability of RuxSiy on Ru(0001): A Comparative DFT and XPS Study
<p>This repository contains the library of computational structures generated and used for our study "<span>Coverage-dependent stability of Ru<sub><span>x</span></sub>Si<sub><span>y</span></sub> on Ru(0001): a comparative DFT and XPS study</span>" (<a title="Link to landing page via DOI" href="https://doi.org/10.1039/D4CP04069D">https://doi.org/10.1039/D4CP04069D</a>). The final processed data is compiled into a single ASE-compatible database file (https://wiki.fysik.dtu.dk/ase/ase/db/db.html), `RuSi-PCCP-Data.db`.<br><br></p> <p> </p>
Simulation output for Improving the stability of bivariate correlations using informative Bayesian priors: A Monte Carlo simulation study
<p>This repository contains the (compressed) simulation output from <em>Improving the stability of bivariate correlations using informative Bayesian priors: A Monte Carlo simulation study</em>. On a Linux-based system, extract the contents with:</p> <pre><code class="language-bash">tar -xvzf raw_output_compressed.tar.gz </code></pre> <p>Please refer to the published article (https://doi.org/10.3389/fpsyg.2023.1253452) and the associated GitHub (<a href="https://github.com/carldelfin/stability-of-bivariate-correlations">github.com/carldelfin/stability-of-bivariate-correlations</a>) for additional information.</p>
An Empirical Study of Activity, Popularity, Size, Testing, and Stability in Continuous Integration
<p>A good understanding of the practices followed by software development projects can positively impact their success --- particularly for attracting talent and on-boarding new members. In this paper, we perform a cluster analysis to classify software projects that follow continuous integration in terms of their activity, popularity, size, testing, and stability. Based on this analysis, we identify and discuss four different groups of repositories that have distinct characteristics that separates them from the other groups. With this new understanding, we encourage open source projects to acknowledge and advertise their preferences according to these defining characteristics, so that they can recruit developers who share similar values.</p>
Data of curvature model for the study of nanoparticle size effects on amyloid fibril stability and molecular dynamics simulations data
<p>The data provided refer to our published article:</p> <p>T. John, J. Adler, C. Elsner, J. Petzold, M. Krueger, L.L. Martin, D. Huster, H.J. Risselada, B. Abel, Mechanistic insights into the size-dependent effects of nanoparticles on inhibiting and accelerating amyloid fibril formation, J. Colloid Interface Sci. 622 (2022), 804–818. <a href="https://doi.org/10.1016/j.jcis.2022.04.134">https://doi.org/10.1016/j.jcis.2022.04.134</a></p> <p>This article is accompanied by a 'Data in Brief' article that explains in more detail the use of the curvature model and our molecular dynamics (MD) simulations:</p> <p>T. John, L.L. Martin, H.J. Risselada, B. Abel, Curvature model for nanoparticle size effects on peptide fibril stability and molecular dynamics simulation data, Data Brief 45 (2022), 108598. <a href="https://doi.org/10.1016/j.dib.2022.108598">https://doi.org/10.1016/j.dib.2022.108598</a></p>
DATASET Volumetric Stability of Biphasic HAp/b-TCP/Collagen Implants in Malar Zone Augmentation: A CBCT Study in Orthognathic Surgery Patients
<p>This dataset repository contains data and analysis scripts related to the study on the volumetric stability of biphasic HAp/b-TCP/collagen implants used for malar zone augmentation in orthognathic surgery patients. The study evaluates the changes in implant volume over time using Cone Beam Computed Tomography (CBCT) scans. The dataset includes CSV files with clinical data and HTML files documenting the analysis procedures.</p> <h3> </h3>
A comparative study of red brick powder and lime as soft soil stabilizer (Dataset)
<p>This data is the result of laboratory CBR testing in soaked and unsoaked conditions with or without additional stabilization</p>
Data: More than 1000 genotypes are required to derive robust relationships between yield, yield stability and physiological parameters: a computational study on wheat crop
<p>APSIM-Wheat <strong>(</strong><a href="">www.apsim.info</a><strong>)</strong> was used to simulate a data set (for details, see Casadebaig<em> et al.</em>, 2016) with 9100 virtual genotypes (<em>N</em><sub>gen</sub>= 9100) grown under 9000 environments (<em>N</em><sub>env</sub>=9000). In short, virtual genotypes were created by varying the value of 90 independent physiological parameters in a range of ±20% from the reference cultivar <em>Hartog</em>. Environments in the dataset contain historical climate data of 125 years (1889-2013) in four locations (Emerald, Narrabri, Yanco and Merredin) in Australia, in combination with two CO<sub><sup>2</sup></sub> levels (380 and 555 ppm), three nitrogen levels (low: 50%, control: 100% and high fertilization: 100% plus 50 kg‧ha<sup>-1</sup>) and three sowing dates (early, control and late).</p>
Data repository for study "Stabilizing international wheat prices through international cooperation after the Russian invasion of Ukraine"
<p>This repository contains both the input and output data associated with the study. The data are crucial for running and understanding the results generated by the <a href="https://gitlab.pik-potsdam.de/twist/twist-global-model/-/tree/ukraine"><em>TWIST</em></a> model and the <a href="https://github.com/mjpuma/FSC-WorldModelers/tree/ukraine"><em>FSC</em></a> models.</p> <h2>Directory Structure and Data Description</h2> <h3>Input Data</h3> <h4>Directory: <code>fsc</code></h4> <p>Contains files necessary to run the <em>FSC</em> model:</p> <ul> <li><code>wheat_export_restriction_*.csv</code>: National export restrictions for various scenarios.</li> <li><code>wheat_total_production_decline_*.csv</code>: National production reductions for different scenarios.</li> </ul> <h4>Directory: <code>twist</code></h4> <p>Includes files required for the <em>TWIST</em> model simulations:</p> <ul> <li><code>psd_wheat_*_world_1961to2031.csv</code>: Historical and projected global wheat data for production, consumption and stocks based on <a href="https://apps.fas.usda.gov/psdonline/app/index.html#/app/downloads">USDA-PSD</a> data</li> <li><code>World_country_codes.csv</code>: World code reference.</li> <li><code>US_BLS_ConsumerPriceIndex_Annual_1960to2019.csv</code>: Annual Consumer Price Index data from the US BLS.</li> <li><code>monthlyNominalGrainPricesWB_WheatUSHRW_1960to2022.csv</code>: Monthly nominal observed wheat prices.</li> <li>Scenario-specific files (<code>world_export_restrictions_*.csv</code>, <code>world_import_strategy_*.csv</code>, <code>world_production_anomaly_*.csv</code>): Global export restrictions, import strategies, and production changes for respective scenarios.</li> </ul> <h3>Output Data</h3> <h4>Directory: <code>fsc</code></h4> <ul> <li><code>raw</code>: Contains the raw output data from the <em>FSC</em> model for all scenarios.</li> <li><code>processed</code>: Includes datasets of national impaired supply relative to baseline supply and baseline domestic reserves, with results summarized per scenario.</li> </ul> <h4>Directory: <code>twist</code></h4> <ul> <li>Contains the raw output data from the <em>TWIST</em> model.</li> </ul> <h2>Contact Information</h2> <p>For inquiries, please contact Dr. <a href="https://orcid.org/0000-0002-8698-1246">Kilian Kuhla</a> at kilian.kuhla@pik-potsdam.de</p>
A comparative study on the stability of the furfural molecule on the low index Ni, Pd and Pt surfaces
<p>We present a comparative density functional theory investigation of the furfural (Ff ) molecule on the low index Ni, Pd and Pt surfaces to understand its geometrical and electronic properties to gain mechanistic insights into the experimentally measured catalytic reactivities of these metal catalysts. We show that the number of metal d-states, which hybridize with the nearest C and O p-orbitals of the Ff molecule, can be used to explain the stability of the Ff molecule on these surfaces. We find that the hybridization between atoms with higher electronegativity and the metal d-states plays a crucial role in determining the stability of these systems. Furthermore, we also find electron transfer from metal to the Ff molecule on the Ni and Pd surfaces, with a reverse process occurring on the Pt surface.</p>
Bromine Adsorption and Thermal Stability on Rh(111): A Combined XPS, LEED and DFT Study [doi: 10.1002/cphc.202300510]
<p>Primary data, meta data, and corresponding lists of figures & tables are included. [doi: 10.1002/cphc.202300510]</p>
Theoretical study of stability of halogen defective trihalide monolayers: cases of AlI3, AsI3 and IrBr3
<p>Please see ref:</p> <p>Lu, L.; Botella, R.; Cao, W. <em>Phys. Status Solidi B</em> <strong>2023</strong>, 2300001</p> <p>For more information about the dataset.</p>
STABIL Study: National Study With Mircera for Maintenance of Hemoglobin Level in Dialysis Patients
ClinicalTrials.gov study NCT00642850. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Exercise Snacking to Improve Strength and STability: ESISST Pilot Study
ClinicalTrials.gov study NCT05439252. IPD Sharing: NO. Countries: 1. Publications: 1.
A Study of Stereotactic Body Radiotherapy (SBRT) and Surgical Stabilization for People With Cancer That Has Spread to the Bone
ClinicalTrials.gov study NCT05038124. IPD Sharing: YES. Countries: 1. Publications: 0.
Controlled Adverse Environment: A Pilot Study to Evaluate Tear Film Stability and Tear Evaporation
ClinicalTrials.gov study NCT01448356. IPD Sharing: Not stated. Countries: 1. Publications: 2.
A Study of an Adenovirus Serotype 26 Pre-fusion Conformation-stabilized F Protein (Ad26. RSV. preF) Based Respiratory Syncytial Virus (RSV) Vaccine in the Prevention of Lower Respiratory Tract Disease
ClinicalTrials.gov study NCT04908683. IPD Sharing: YES. Countries: 14. Publications: 1.
The BASE Study: Bicarbonate Administration to Stabilize Estimated Glomerular Filtration Rate (eGFR)
ClinicalTrials.gov study NCT02521181. IPD Sharing: Not stated. Countries: 1. Publications: 1.
A comparative study on the stability of the furfural molecule on the low index Ni, Pd and Pt surfaces
Open the record for dataset details and reuse information.
Supplementary materials for the paper "Benefit of Self-Stabilizing Protocols in Eventually Consistent Key-Value Stores: A Case Study"
<p>Supplementary materials for the paper "Benefit of Self-Stabilizing Protocols in Eventually Consistent Key-Value Stores: A Case Study"</p>
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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)
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DANDI Archive for NWB datasets
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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.