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397 results for “High pressure”
Time series of high-frequency sensor data measuring water temperature, dissolved oxygen, pressure, conductivity, specific conductance, total dissolved solids, chlorophyll a, phycocyanin, fluorescent dissolved organic matter, and turbidity at discrete depths in Falling Creek Reservoir, Virginia, USA in 2018-2025
We monitored water quality in Falling Creek Reservoir (Vinton, Virginia, USA; 37.30325 -79.8373) with high-frequency (10-minute) sensors in 2018-2025. All variables were measured at the deepest site of the reservoir adjacent to the dam. Falling Creek Reservoir is owned and managed by the Western Virginia Water Authority as a primary drinking water source for Roanoke, Virginia. This data product consists of one dataset compiled of depth profiles of water temperature on 1-m intervals from 0.1 to 9 m depth; dissolved oxygen at 5 m and 9 m depth; pressure at 9 m depth; and temperature, dissolved oxygen, conductivity, specific conductance, chlorophyll a, phycocyanin, total dissolved solids, fluorescent dissolved organic matter, turbidity, and pressure at ~1.6 m depth. The dataset is accompanied by a sensor maintenance log and quality assurance/quality control analysis scripts.
High resolution stream temperature, pressure, and estimated depth from transducers in streams in the Lake Sunapee watershed, New Hampshire, USA 2010-2018
Seven in-stream HOBO pressure transducers and one reference HOBO pressure transducer have been deployed within the Lake Sunapee, NH, USA watershed. Six of the transducers have been in operation since 2010 and an additional transducer was added in 2016. The transducers record data every 15 minutes, and data are downloaded approximately three times per year (early Spring, mid Summer and late Fall). Shortly after download, the data are processed to estimate stream depth using HOBOware's Barometric Compensation Assistant and converted to a .csv file in HOBOware. The data have been QAQC'd to recode obviously errant data to NA using R programming language. No data transformation has occurred beyond basic QAQC of the data to remove known data issues and obviously errant data. The barometric pressure data from the reference transducer located on land are also included in this data package.
MAPO-18 Catalysts for the Methanol to Olefins Process: Influence of Catalyst Acidity in a High-Pressure Syngas (CO + H2) Environment
<p>Supplementary Material: Catalyst characterization (XRD, SEM–EDS, N2 physisorption, IR spectroscopy, and propylamine-TPD), catalyst performance, and DFT calculations</p>
Thermal conductivity and compressional velocity of methane at high pressure
<p>This repository contains experimental data on the thermal conductivity and compressional velocity of methane (CH4) up to 45 GPa at room temperature and theoretical calculations of methane's equation of state, heat capacity, and bulk sound velocity from 5-100 GPa and 0-1200 K. These datasets are presented in a manuscript submitted to Journal of Geophysical Research: Planets by Meyer, D.W.; Hsieh, W.P.; Hsu, H.; Kuo, C.Y.; and Lin, J.F. in Oct. 2021 entitled:</p> <p>Thermal conductivity and compressional velocity of methane at high pressure: Insights into thermal transport properties of icy planetary interiors.</p> <p> </p>
First-principles investigation of phase stability in substoichiometric zirconium carbide under high pressure
<p>This is a data set that supports a first-principles investigation into the phase stability of zirconium carbide under high pressure. High throughput density function theory data is used to train a cluster expansion. The trained model is used to sample the phase space of the substoichiometric ZrC system into high pressures. This sampling sheds insight on how pressure affects the stability and partial vacancy ordering in the ZrC system.</p>
Global Hydrogen Production during high-pressure Serpentinisation of Subducting Slabs—Dataset
<p>Data-set and code for recreating results of:</p> <p><strong>Global Hydrogen Production during high-pressure Serpentinisation of Subducting Slabs </strong></p> <p>A manuscript submitted to G-cubed.</p> <p> </p>
McMurdo Dry Valleys LTER: High frequency, 1-min pressure measurements of continuous stage (lake level) and ice surface ablation from Lake Hoare, Antarctica from 2012-2016
As part of the McMurdo Dry Valleys Long Term Ecological Research program, continuous stage (lake level) and ice surface ablation were collected at Lake Hoare, located in Taylor Valley, Antarctica. This package contains data measured at 1-minute intervals from Nov 2012 to Apr 2013, Nov 2013 to Feb 2014, and Nov 2014 to Oct 2016.
Supplementary files for "Effect of Alkali and Trivalent Metal Ions on the High-Pressure Phase Transition of [C2H5NH3]MI0.5MIII0.5(HCOO)3 (MI=Na, K and MIII=Cr, Al) Heterometallic Perovskites"
<p>DFT optimised structures and phonon data of [C<sub>2</sub>H<sub>5</sub>NH<sub>3</sub>] (ethylamonium, EtA) based formate perovskites EtANaCr, EtANaAl and EtAKCr. The zip-files Phonons-XXX contain the calculated force constants, the frequencies at the gamma point, the calculated density of states and the thermal properties.</p>
Novel biodegradable Zn alloys obtained by rapid solidification and high pressure torsion - NCN Poland Project - Dataset Feb.2024
<p>Dataset contains results obtained during the first year of the project No. 2021/40/C/ST5/00071 "Novel biodegradable Zn alloys obtained by rapid solidification and high pressure torsion" funded by NCN Poland. </p> <p>The dataset contains: SEM, TEM, nanoindentation, hardness and uniaxial tensile testing results. </p>
Study of the failure mechanism of a HDPE liner in a Type IV high-pressure storage tank [Dataset related to publication]
<p>Data type: SEM micrographs; ATR-FTIR spectra; XRD patterns, DSC profiles and analyses. </p> <p>Data format: *.tif; *.dat; *.asc; *.opj.</p> <p>Origin of the data: laboratory equipment from University of Udine (SEM, ATR-FTIR, XRD, DSC).</p> <p>Software needed to plot the data: folders need to be unzipped, Origin.</p>
HP-PEDPM: High Pressure Phase Equilibria Database for Planetary Materials
<h2><strong>High Pressure Phase Equilibria Database for Planetary Materials (HP-PEDPM)</strong></h2> <ul> <li> <h3>Dataset Description</h3> </li> </ul> <p>This data set presents the experimental data available in the literature on Fe, MgO, SiO2, and MgSiO3. While we have tried to include as much literature data as possible, the database may not be complete due to the large number of publications on these materials. This provisional version will be updated regularly as new data or previously overlooked literature becomes available. The latest version of the database is 2025verFeb11. A benchmark code to reproduce the phase diagrams (Figure 8) is now included.</p> <ul> <li> <h3>Data Structure</h3> </li> </ul> <p>The dataset consists of the following columns:</p> <ol> <li>Pressure (GPa): Pressure conditions under which the phase observations were recorded</li> <li>Temperature (K): Corresponding temperature at the given pressure</li> <li>Phase: Phase of the material observed at the recorded P-T conditions</li> <li>Author: Source</li> <li>Method: Technique used</li> </ol>
Chemical activities of platinum and gold under a hydrous condition at high pressure with implication for deep volatile storage
<p>This file contains published datasets for "Chemical activities of platinum and gold under a hydrous condition at high pressure with implication for deep volatile storage"</p>
High-pressure flow digestion system
<p><span>Buildup of the presented high-pressure flow-through microwave-assisted digestion system. The gray shaded components including the digestion vessel indicate the pressurized part. The counter-current nitrogen stream enters the digestion system at the nitrog</span>en inlet port/ sample exit port and leaves the system at the pressure interface. (A, H) nitric acid 5% (v/v) rinsing solution, (B) sample (1% (w/w) wine), (C) waste (D) digested sample, (E) precision dispenser, (F) six-port high performance valve, (G) sample loop, (I) Knauer HPLC pump, (J) pressure interface including the nitrogen exit port, (K) cooling unit, (L) high pressure vessel, (M) magnetron, (N) nitrogen inlet port/ sample exit port, (O) pressure restriction loop</p>
Clinical Trial to Assess the Effectiveness of Applying Dry Local Heat and/ or High Tourniquet Pressure for Venipuncture.
ClinicalTrials.gov study NCT04027218. IPD Sharing: YES. Countries: 1. Publications: 8.
A Dose Escalation Study of a Combination Antihypertensive Drug in the Treatment of Various Groups of Patients Who do Not Respond to Single Drug Treatment of Their High Blood Pressure
ClinicalTrials.gov study NCT00791258. IPD Sharing: YES. Countries: 1. Publications: 2.
An ultrasound probe array for a high-pressure, high-temperature solid medium deformation apparatus: CAD drawings
<p>CAD drawings of cooled load plate and base plate for integrating pizoelectric needle sensors. Electrical schema of heating system. Dimensional pdf drawings of sigma 1 piston for integration of pizoelectric needle sensors. Matalb code for basic 1D source localization, synchronization of triggered AE data with mechanical data and plotting of AE rate.</p>
Thermodynamic parameters and elasticity data of phase D at high pressures and temperatures
<p>This dataset contains all the original data for figures in the article "Thermoelasticity of phase D and implications for low-velocity anomalies and local discontinuities at the uppermost lower mantle" submitted to American Mineralogist.</p>
Barium isotope variation during fluid-rock interaction at forearc depths: evidence from the high-pressure fluid-metasomatized rocks in the Eastern Alps
<p><a name="OLE_LINK7"></a><a name="OLE_LINK1"></a><span><span>The supporting information presents the analytical methods of whole-rock major-trace element compositions and Mg–Fe isotope compositions , as well as whole-rock major-trace elements and Fe–Mg–Sr isotope data</span></span><span><span>.</span></span></p>
Jumping up the sanitation ladder in rural Cambodia: the role of remittances and peer-to-peer pressure in adopting high quality latrines
<p>Between November 2018 and February 2019, qualitative data collection was conducted in 7 rural villages situated in the provinces of Kampung Speu and Kampung Cham in Cambodia. These villages are located approximately two to three hours away from Phnom Penh, the political and economic hub of Cambodia. The focus of this study was on these villages due to their involvement in the Cambodia Rural Sanitation and Hygiene Improvement Programme (CRSHIP), which was implemented by the Ministry of Rural Development and Plan International Cambodia from 2012 to 2016. The CRSHIP aimed to enhance access to improved sanitation facilities and promote proper hygiene practices among rural communities through various approaches such as Community-Led Total Sanitation (CLTS), sanitation marketing, WASH (Water, Sanitation, and Hygiene) in schools, and behavior change communication campaigns.</p>
Chemical reaction between ferropericlase (Mg,Fe)O and water under high pressure-temperature conditions of the deep lower mantle
<p>The XRD datasets and the multigrain dataset for the article "Chemical reaction between ferropericlase (Mg,Fe)O and water under high pressure-temperature conditions of the deep lower mantle" by Yang et al.</p>
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International Brain Laboratory public data
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OpenNeuro
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