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97 results for “helium”
Non-Helium Magnetoencephalography in Autism Spectrum Disorder
ClinicalTrials.gov study NCT07064967. IPD Sharing: NO. Countries: 1. Publications: 0.
Helium Neon Laser Versus Gallium Arsenide Laser
ClinicalTrials.gov study NCT04689620. IPD Sharing: UNDECIDED. Countries: 0. Publications: 0.
Evaluation of the Safety and Effectiveness of Percutaneous and Transbronchial Argon-helium Cryoablation
ClinicalTrials.gov study NCT05807022. IPD Sharing: Not stated. Countries: 0. Publications: 0.
Helium-Neon Laser Therapy Versus Infrared Laser Therapy in Treating Patients With Diabetic Foot Ulcer
ClinicalTrials.gov study NCT03338517. IPD Sharing: NO. Countries: 0. Publications: 0.
Noninvasive Positive Pressure Ventilation Using Helium:Oxygen Versus Air:Oxygen in Acute Respiratory Failure in Chronic Obstructive Pulmonary Disease Patients Exposed to Sulfur Mustard
ClinicalTrials.gov study NCT00515606. IPD Sharing: Not stated. Countries: 0. Publications: 0.
Voyager 1 Cosmic Ray Subsystem (CRS) Proton and Helium Energy Fluxes, Level H3 (H3), Daily Data
The joint California Institute of Technology, Caltech, Goddard Space Flight Center, GSFC, Cosmic Ray Subsystem, CRS, experiment on Voyager consists of three types of solid state detector telescopes: * Two High Energy Telescopes: HET-I and HET-II * Four Low Energy Telscopes (dE/dx versus E): LET A, LET B, LET C, and LET D * The Electron Telescope, TET The HETs and LETs are redundant and are designed to complement each other and to cover a broad range in energy, intensity, and charge spectra. The HETs covered an energy range between 6 MeV/n and 500 MeV/n for nuclei ranging in atomic numbers from 1 through 30. In addition, electrons in the energy range between 3 MeV and 100 MeV were measured by this telescope and an electron telescope. The LETs measured the energy and determined the identity of nuclei for energies between 0.15 MeV/n and 30 MeV/n and atomic numbers from 1 to 30. The instruments also measured the anisotropies of electrons and nuclei. The CRS looks only for very energetic particles in plasma, and has the highest sensitivity of the three particle detectors. Very energetic particles can often be found in the intense radiation fields surrounding some planets (like Jupiter). Particles with the highest-known energies come from other stars. The CRS looks for both. The CRS makes no attempt to slow or capture the super-energetic particles. They simply pass completely through the CRS. However, in passing through, the particles leave signs that they were there. Cosmic Ray Subsystem Science Objectives: * To measure the energy spectrum of electrons from 3 Mev to 110 MeV. * To measure the energy spectra and elemental composition of all cosmic ray nuclei from hydrogen through iron over an energy range from approximately 1 - 500MeV/nuc. * To provide information on the energy content, origin, acceleration process, life history, and dynamics of cosmic rays in the galaxy, and contribute to an understanding of the nucleosynthesis of elements in cosmic ray sources. * To provide information on the transport of cosmic rays, Jovian electrons, and low energy interplanetary particles over an extended region of interplanetary space. * To measure the three-dimensional streaming patterns of nuclei from Hydrogen through Iron and electrons over an extended range. * To measure particle charge compostion in the magnetosphere of Jupiter, Saturn, Uranus, and Neptune.
Single-cell RNA and DNA methylome profiling reveal liquid helium vitrification enhances porcine parthenogenetically activated blastocyst viability [RNA-Seq]
GEO Series GSE305944. Sus scrofa. 12 samples. Type: Expression profiling by high throughput sequencing.
An observed population of intermediate-mass helium stars that have been stripped in binaries - Raw Spectroscopic Data
<p>This repository contains the raw spectroscopic data obtained for the stars described in the manuscript "An observed population of intermediate-mass helium stars stripped in binaries" by Drout, Götberg, Ludwig, Groh, de Mink, O'Grady and Smith. All data was obtained with the Magellan Echellette spectrograph (MagE) on the 6.5-meter Magellan-Baade telescope at Las Campanas Observatory, Chile. We organize the data as follows: </p><ul><li>Calibrations.tar.gz contains relevant calibration files. Specifically, bias frames, red flats, blue flats, and frames that can be used for echelle order-defintion in the MagE pipeline. </li><li>Files of the form Star1.tar.gz, Star2.tar.gz, etc. contain all of the individual science frames for each star that were used to make the final combined spectra published in Drout, Götberg, et al. as well as Thorium-Argon lamps taken immediately before or after each science frame. <br><br> </li></ul>
GALILEO PROBE HELIUM ABUNDANCE DETECTOR DATA V1.0
This data set is most accurately described in [VONZAHN&HUNTEN1996]:
Single-cell RNA and DNA methylome profiling reveal liquid helium vitrification enhances porcine parthenogenetically activated blastocyst viability [Bisulfite-Seq]
GEO Series GSE305947. Sus scrofa. 12 samples. Type: Methylation profiling by high throughput sequencing.
Differential gas transport in shale nanochannels: helium, nitrogen, and methane
<p>Measured Longmaxi shale core's apparent permeabilities for helium, nitrogen, and methane at various confining and pore pressures, and fitting parameters of response surface model.</p>
Pioneer 10 Helium Vector Magnetometer (MAG), Magnetic Field in RTN Coordinates and One Way Light Time Delays, Cruise Phase
This Data Set from the Pioneer 10 Helium Vector Magnetometer, HVM, consists of 1 min Averages of Vector Components and Scalar Magnitudes of the Interplanetary Magnetic Field. The three Components, Br, Bt, Bn, are given in Radial-Tangential-Normal, RTN, Coordinates and all Magnetic Fields are expressed in nT. The Scalar Magnitudes, B, are Averages of higher-resolution Scalar Magnitudes. The Time Tag for each 1 min Interval is the Midpoint of the averaging Interval in Spacecraft Event Time-UT, SCET-UT. The Averages were originally calculated over 1 min Intervals in Ground Received Time, and the Midpoints have been converted to SCET-UT. The File P10_LIGHTTIME contains Daily Values for the one way Light Time Delay. No records are written for Data Gaps. Most Files cover from 28 up to 35 Days, but there are a Number of shorter Files, particularly at Year Boundaries. Data for the Jupiter Encounter, Days 329 through 349 of 1973, are not included. The RTN System is fixed to the Sun-Spacecraft Line and aligned with the Solar Heliographic Equator. The R Axis is the Radial Direction to the Spacecraft, the T Axis is the Cross Product of the Solar Rotation Axis and the R Axis, and N is the Cross Product of the R and T Axes. The File P10HVM_15M.SFD provides a detailed Description of the Pioneer Spacecraft, the HVM Experiment, and the Data. This ASCII Document is written in Standard Formatted Data Unit, SFDU, Format as Part of NSSDC Data Set 72-012A-01I for 15 min. Averaged Data covering 1972-03-03 to 1975-11-17. Data Set Files: P10HVMMN_FMT.txt, this Document, ASCII; P10HVM_15M.SFD, SFDU Metadata Extract from Pioneer 10 HVM 15 min Data Set; Myyddd.asc, 1 min Data Files from Pioneer 10 HVM starting at Date yyddd; and P10_LIGHTTIME.asc, Data File with One Way Light Time Delays, ASCII. Related Information and Data: Further Details on the Spacecraft, Experiment, Data Sets at NSSDC, and related WWW Sites can be found on the Pioneer 10/Pioneer 11 Flight Project Page under https://nssdc.gsfc.nasa.gov/space/. Pioneer 10 and Pioneer 11 Hourly of the Interplanetary Solar Wind Data Averages and Heliocentric Coordinates and other Interplanetary Spacecraft may be also be accessed and plotted Online through the COHOWeb Service, https://cohoweb.gsfc.nasa.gov/coho/. Pioneer Data on the NASA Data Archive and Distribution Service, NDADS, may be located on the WWW via the SPyCAT Service at the first URL listed above or by an E-Mail Message to the Automated Retrieval Mail System, ARMS, at archives@ndadsa.gsfc.nasa.gov with $apos;HOLDINGS$apos; on the Subject Line. Data Set Coverage, yyyy-mm-dd: 1972-03-03 to 1975-11-17, Data Set Contact: Joyce Wolf, NASA JPL.
ISEE 3 Vector Helium Magnetometer (MAG), Magnetic Field, 1 min CDF Data
This Data Set contains averaged 1 min magnetic field data converted from simple ASCII records. It was created at the NSSDC from a more complex, multi-resolution data set with the current NSSDC ID of SPHE-00673 and old NSSDC ID of 78-079A-02D, provided by the Principal Investigator Team and now available from ftps://spdf.gsfc.nasa.gov/pub/data/isee/isee3/magnetic_fields/1min_ascii_extracted/. The Coordinate System for the magnetic field components is the JPL-defined I,S Coordinate System set at the origin at the spacecraft: I is the unit vector in the direction of the ISEE 3 spin axis, positive in the northward direction, and S is the unit vector from the spacecraft to the sun. The Z-Axis is parallel to I, the Y-Axis is parallel to the cross product I ⨯ S, and the X-Axis is parallel to Y ⨯ Z. The I,S coordinate system is approximately the same as the Solar Ecliptic, SE, System since the Spacecraft Z-Axis, the Spin Axis, is maintained within 0.5° of perpendicular to the Ecliptic Plane. The SE coordinate system is defined in the same way as GSE, but with the spacecraft point of observation substituted for the position of the earth. For years 1984 through 1990 the spacecraft position in HGI coordinates was added to the data product. The HGI coordinate system is sun-centered and inertially fixed with respect to an X-Axis directed along the intersection line of the Ecliptic and Solar Equatorial planes, which defines the 0° longitude direction. The Solar Equatorial plane is inclined at 7.25° from the Ecliptic. This direction was towards an Ecliptic longitude equal to 74.367° on January 1, 1900 at 12:00 UT, but because of the precession of the earth's equator, this longitude increases by 1.4° per century. The Z-Axis is directed perpendicular to and northward of the solar equator and the Y-Axis completes the right-handed Set. The HGI longitude increase from 0° in the X-Direction towards the positive Y-Direction. The HGI latitude increases to +90° at the north pole and decreases to -90° at the south pole. Note that the values listed are 1 min averages, so that B ^2 may not equal B^2 .
Wind Energetic Particle Acceleration Composition Transport (EPACT) SupraThermal Energetic Particle Telescope (STEP) Differential, Directional Helium Fluxes, 10 min Data
The EPACT Instrument on Wind STEP - SupraThermal Energetic Particle Telescope measures Ion Fluxes of Protons (H) in 0.12.5 MeV Energy Range and He-Fe Nuclei in the ~0.032 MeV/nucleon Energy Ranges in two identical Telescopes, each with a Geometrical Factor of 0.4 cm^2 sr and a rectangular Field of View with an Angular Acceptance of 44° in Azimuth and 17° in Polar Angle.
ISEE 3 Merged Vector Helium Magnetometer (MAG), and Solar WInd Plasma (SWP), 2 min CDF Data
These Files provides access to ISEE 3 Merged Field and Plasma 2-min data generated at the NSSDC as part of preparing ISEE 3 data for the creation of new OMNI data sets. Input to the data set were ISEE 3 Magnetometer, MAG, 1 min Data, Solar Wind Plasma, SWP, 24 s data, and spacecraft position 1 day data, all obtained from ftps://spdf.gsfc.nasa.gov/pub/data/isee/isee3/. Pertinent documentation may be found at the same FTP directory. The annual files of this ASCII data set may be accessed at ftps://spdf.gsfc.nasa.gov/pub/data/isee/isee3/2_min_merged_mag_plasma/as well. Time span: magnetic field from 1978-09-11 to 1982-10-12 and solar wind plasma from 1978-09-11 to 1980-02-19. Note that the magnetic field is given in Spacecraft-Centered, Solar Ecliptic, SE, coordinates.
GALILEO PROBE HELIUM ABUNDANCE DETECTOR DATA V1.0
This data set is most accurately described in [VONZAHN&HUNTEN1996]:
Z=0.04 core collapse helium star models
<p>Core collapse models of helium stars at Z=0.04</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.