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10 results for “CRDS”
CRDS absorption spectra recorded for the P(16) and P(28) transitions of the 20012-00001 band, and the R(24) and R(30) transitions of the 20013-00001 band of 12CO2 in air
<p>The database is made of the set of the CRDS absorption spectra recorded for the P(16) and P(28) transitions of the 20012-00001 band, and the R(24) and R(30) transitions of the 20013-00001 band of 12CO2 in air, following the procedures and with the experimental setups described in the paper entitled "Line shape parameters of air-broadened 12CO2 transitions in the 2.0 µm region, with their temperature dependence" by D. Mondelain, A. Campargue, H. Fleurbaey, S. Kassi, S. Vasilchenko published in JQSRT 298 (2023) 108485. <br> Each averaged spectrum corresponds to a .csv file including the following columns: <br> absolute wavenumber (in cm-1), cavity loss rate 1/ct (in 10-6 cm-1), temperature (in °C) and total pressure (in Torr).</p> <p>Two gas mixtures of CO2 in air (Ar : ~1 Mol-% ; O2 :~20.95 Mol-% ; N2 : ~78.05 Mol-%) are used in this work. <br> The stated sample CO2 mixing ratios are 6.013±0.060 Mol-ppm for the 20012-00001 band and 40.10±0.24 Mol-ppm for the 20013-00001 band.</p>
CRDS absorption spectra recorded for the R(06), R(12), R(16), R(18) and R(20) transitions of the 30013-00001 band of 12CO2 in air
<p>The database is made of the set of the CRDS absorption spectra recorded for the R(06), R(12), R(16), R(18) and R(20) transitions of the 30013-00001 band of 12CO2 in air following the procedures and with the experimental setups described in the paper entitled "CRDS measurements of air-broadened lines in the 1.6 µm band of 12CO2: Line shape parameters with their temperature dependence" by D. Mondelain, A. Campargue, H. Fleurbaey, S. Kassi, S. Vasilchenko published in JQSRT 288 (2022) 108267. <br> Each averaged spectrum corresponds to a .csv file including the following columns: <br> absolute wavenumber (in cm-1), cavity loss rate 1/ct (in 10-6 cm-1), temperature (in °C) and total pressure (in Torr).</p> <p>A gas mixture of 398.9±2.0 (2sigma) mol-ppm of CO2 in air (Ar: ~1 mol-% ; O2: ~20.95 mol-%; N2: ~ 78.05 mol-%) is used in this work.</p>
LA_CRDS_WATER_ISOTOPE_ICE_CORES_RAW_DATA
<p>Raw data from LA-CRDS (Laser Ablation - Cavity Ring Down Spectroscopy) measurements on water isotope ice standards and ice core samples that were conducted at Ca'Foscari University of Venice.</p> <p>LA: Analyte Excite+, Teledyne Photon Machines, Bozeman MT, USA</p> <p>CRDS Water Isotope Analyzer: L-2130i, PICARRO, Santa Clara CA, US</p>
Absorption spectra of the R6 manifold of 12CH4 in the 2nu3 band recorded by CRDS technique
<p>The database is made of the set of the CRDS absorption spectra recorded for the R6 manifold of the 2ν<sub>3</sub> band of <sup>12</sup>CH<sub>4</sub> following the procedures and with the experimental setups described in the paper entitled "Temperature dependence of the absorption of the R(6) manifold of the 2ν<sub>3</sub> band of methane in air in support of the MERLIN mission" by S. Vasilchenko, T. Delahaye, S. Kassi, A. Campargue, R. Armante, H. Tran, D. Mondelain, and submitted to JQSRT. Each averaged spectrum corresponds to a <em>.csv</em> file including the following columns: absolute wavenumber (in cm<sup>-1</sup>), cavity loss rate 1/cτ (in 10<sup>-6</sup> cm<sup>-1</sup>), temperature (in °C) and total pressure (in Torr).</p> <p>Two mixtures of CH4 in air are used for these measurements:</p> <p>- a ~2 ppm mixture with CH4: 1.984±0.03(2σ) Mol-ppm ; Ar : ~1 Mol-%, O<sub>2</sub> : ~20.95 Mol-%, N<sub>2</sub> : ~78.05 Mol-%) </p> <p>- a ~8eng ppm mixture with CH4: 8.022±0.08(2σ) Mol-ppm ; Ar : ~1 Mol-%, O<sub>2</sub> : ~20.95 Mol-%, N<sub>2</sub> : ~78.05 Mol-%)</p>
International CRDS Registry
ClinicalTrials.gov study NCT06508164. IPD Sharing: NO. Countries: 8. Publications: 6.
Evaluation of A Clinical Diagnostic Test for CRDS
ClinicalTrials.gov study NCT06188689. IPD Sharing: NO. Countries: 7. Publications: 5.
CARVE: L2 Atmospheric CO2, CO and CH4 Concentrations, Harvard CRDS, Alaska, 2012-2014
This data set provides atmospheric carbon dioxide (CO2), methane (CH4), and carbon monoxide (CO) concentrations from airborne campaigns over the Alaskan and Canadian arctic for the Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE). The data were collected in situ using a four-species cavity ring-down spectrometer system (CRDS; Picarro Inc.) provided by Harvard University and are presented at 5-second intervals throughout each flight. The Harvard CRDS instrument only collected data in 2012-2014; no Harvard data are available for year 2015. Aircraft latitude, longitude, and altitude are also provided. CARVE flight campaigns took place from 2012 to 2015 between the months of March and November to enable investigation of both seasonal and inter-annual variability in atmospheric gas content. The measurements included in this data set are crucial for understanding changes in Arctic carbon cycling and the potential threats posed by thawing of Arctic permafrost.
CARVE: L2 Atmospheric CO2, CO and CH4 Concentrations, NOAA CRDS, Alaska, 2012-2015
This data set provides atmospheric carbon dioxide (CO2), methane (CH4), carbon monoxide (CO), and water vapor (H2O) concentrations from airborne campaigns over the Alaskan and Canadian arctic for the Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE). The data were collected in situ using a cavity ring-down spectrometer (CRDS; Picarro Inc.) and are presented at 2-second intervals throughout each flight. Aircraft latitude, longitude, and altitude are also provided. Flight campaigns took place from 2012 to 2015 between the months of March and November to enable investigation of both seasonal and inter-annual variability in atmospheric gas content. The measurements included in this data set are crucial for understanding changes in Arctic carbon cycling and the potential threats posed by thawing of Arctic permafrost.
H. pylori 26695: wild-type vs nitro-oxide (NO) treated; knockout-crdS in H. pylori 26695 vs knockout-crdS with NO treatment
GEO Series GSE69846. Helicobacter pylori 26695. 4 samples. Type: Expression profiling by array.
Measurement of NOx and NOy with a thermal dissociation cavity ring-down spectrometer (TD-CRDS): Instrument characterisation and first deployment
<p>NOx mixing ratios measured by TD-CRDS during the 2017 AQABA ship campaign. 1 minute averages and standard deviations.</p>
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