Catalog - Data.gov

Found 204 datasets matching "ppm".

#1 Federal
PPM-XL Bright M Dwarfs Catalog
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
Using the Position and Proper Motion Extended-L (PPMXL) catalog, the authors have used optical and near-infrared color cuts together with a reduced proper motion cut to find bright M dwarfs for...
- html
- none
Search relevance: 70.70 | Views last month: 1
#2 Federal
Positions and Proper Motions Catalog
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
The PPM database is the Catalog of Positions and Proper Motions. It combines the two catalogs for PPM North and PPM South, the Bright Stars Supplement to PPM, and the 90,000 Stars Supplement to...
- html
- none
Search relevance: 56.21 | Views last month: 0
#3 Federal
Mineralogy, chemistry and isotope composition of silica sinter deposits from the Upper Geyser Basin, Yellowstone National Park: laser ablation inductively coupled plasma mass spectrometry data
- Organization: Department of the Interior
- Updated: 2020-08-31T00:00:00Z
Sample Analyses: Samples were analyzed for their trace element chemistry using Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) at the Corman Center for Mass Spectrometry,...
- xml
- xml
Search relevance: 49.51 | Views last month: 2
#4 Federal
Mineralogy, chemistry and isotope composition of silica sinter deposits from the Upper Geyser Basin, Yellowstone National Park: X-ray fluorescence data
- Organization: Department of the Interior
- Updated: 2020-08-31T00:00:00Z
Sample Analyses: Samples were analyzed for major and trace element concentrations of the unreacted and reacted sinter using a Thermo ARL Perform’X X-ray fluorescence (XRF) spectrometer at the...
- xml
- xml
Search relevance: 48.33 | Views last month: 0
#5 Federal
Melt inclusion and mineral geochemical analyses supporting the evaluation of petrogenesis, degassing, and metallogenic potential of mid-Cenozoic rhyolite magmas in northern Nevada, USA (ver. 2.0, March 2025)
- Organization: Department of the Interior
- Updated: 2025-03-31T00:00:00Z
This data release presents geochemical analyses of silicate melt inclusions, host quartz phenocrysts, and biotite phenocrysts in samples collected by the U.S. Geological Survey (USGS) from...
- xml
- xml
Search relevance: 46.73 | Views last month: 0
#6 Federal
SHIFT: Laboratory Foliar Chemical Analysis Results for Field Samples, CA, 2022
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This dataset holds laboratory foliar chemical analyses results for field samples collected during the 2022 NASA Surface Biology Geology (SBG) High Frequency Time series (SHIFT) campaign in Santa...
- none
- zip
- pdf
- html
- none
Search relevance: 44.36 | Views last month: 0
#7 Federal
Kentucky bluegrass growth curves and nutritive values
- Organization: Department of Agriculture
- Updated: 2025-11-21
Dataset describes Kentucky bluegrass production and height throughout two growing seasons in a rangeland system in the northern Great Plains. One year of sampling was during a drought year and one...
- html
Search relevance: 43.46 | Views last month: 0
#8 Federal
Gene expression and liver cell metabolism from Xenopus laevis tadpoles exposed to neonicotinoids
- Organization: Department of the Interior
- Updated: 2021-07-23T00:00:00Z
Data were collected from Xenopus laevis tadpoles exposed to clothianidin and thiamethoxam in two concentrations each, 100 ppm and 20 ppm. Gene expression was generated from brains and livers, and...
- xml
- xml
Search relevance: 43.02 | Views last month: 0
#9 Federal
Corresponding Standard Reference Material Data used in Partial Least Squares Regression Models for Sugar Composition Estimates in Biomass in: Economic Impact of Yield and Composition Variation in Bioenergy Crops: Populus trichocarpa
- Organization: Department of Energy
- Updated: 2025-01-21T22:07:26Z
Corresponding Standard Reference Material Data used in Partial Least Squares Regression Models for Sugar Composition Estimates in Biomass in: Economic Impact of Yield and Composition Variation in...
- html
Search relevance: 40.67 | Views last month: 0
#10 Federal
Acrolein Inhalation Alters Myocardial Synchrony and Performance at and Below Exposure Concentration that Cause Ventilatory Responses in Mice
- Organization: U.S. Environmental Protection Agency
- Updated: 2018-03-20
we examined the cardiovascular effects acrolein inhalation, particularly on myocardial synchrony and performance via ultrasound echocardiography. Male C57Bl/6J mice (n=6/group) were exposed to...
- xml
Search relevance: 40.19 | Views last month: 1
#11 Federal
Xenopus metamorphosis after neonicotinoid exposure
- Organization: Department of the Interior
- Updated: 2021-07-23T00:00:00Z
Xenopus laevis tadpoles were held in 4 replicate vivaria for each of 4 treatments of neonicotinoid pesticides and one control treatment for at least one month (Control media, thiamethoxam high...
- xml
- xml
Search relevance: 40.09 | Views last month: 0
#12 Federal
Partial pressure of carbon dioxide, temperature, salinity and other variables collected from surface underway observations during Ships of Opportunity (SOOP) M/V Celebrity Equinox cruise lines in the Caribbean Sea, Gulf of Mexico, and North Atlantic Ocean in 2019 (NCEI Accession 0184597)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-01-17T00:00:00.000+00:00
This dataset consists of the surface underway measurements of mole fraction of CO2 in the equilibrator headspace (dry) at equilibrator temperature (ppm), mole fraction of CO2 measured in dry...
- html
- none
- none
- none
- none
- none
- +6 more
Search relevance: 39.41 | Views last month: 0
#13 Federal
Partial pressure of carbon dioxide, temperature, salinity and other variables collected from surface underway observations during Ships of Opportunity (SOOP) M/V Celebrity Equinox cruise lines in the Caribbean Sea, Gulf of Mexico, and North Atlantic Ocean in 2020 (NCEI Accession 0209186)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-04-04T00:00:00.000+00:00
This dataset consists of the surface underway measurements of mole fraction of CO2 in the equilibrator headspace (dry) at equilibrator temperature (ppm), mole fraction of CO2 measured in dry...
- html
- none
- none
- none
- none
- none
- +6 more
Search relevance: 39.41 | Views last month: 0
#14 Federal
Mineralogy, chemistry and isotope composition of silica sinter deposits from the Upper Geyser Basin, Yellowstone National Park: inductively coupled plasma optical emission spectrometry (ICP-OES) data
- Organization: Department of the Interior
- Updated: 2020-08-31T00:00:00Z
Sample Analysis: Cation concentration data was obtained as a part of the beryllium isotope analyses. Samples collected from the Upper Geyser Basin were first treated in clean laboratory facilities...
- xml
- xml
Search relevance: 38.92 | Views last month: 0
#15 Federal
Inhaled nitric oxide in acute respiratory distress syndrome with and without septic shock requiring norepinephrine administration: a dose–response study
- Organization: U.S. Department of Health & Human Services
- Updated: 2025-09-06
Background: The aim of this prospective study was to assess whether the presence of septic shock could influence the dose response to inhaled nitric oxide (NO) in NO-responding patients...
- html
Search relevance: 38.91 | Views last month: 0
#16 Federal
Inhaled nitric oxide in persistent pulmonary hypertension of the newborn refractory to high-frequency ventilation
- Organization: U.S. Department of Health & Human Services
- Updated: 2025-09-06
Background: This study was designed to evaluate the effect of nitric oxide (NO) on the management of neonates with severe persistent pulmonary hypertension refractory to...
- html
Search relevance: 38.89 | Views last month: 1
#17 Federal
Brodifacoum toxicity in American kestrels (Falco sparverius) with evidence of increased hazard upon subsequent anticoagulant rodenticide exposure - Results of trial 3
- Organization: Department of the Interior
- Updated: 2020-09-22T00:00:00Z
Trial examining blood clotting function response in kestrels initially fed a diet containing chlorophacinone (CPN) or brodifacoum (BROD), and following a recovery period, kestrels were challenged...
- xml
- xml
Search relevance: 38.86 | Views last month: 0
#18 Federal
Partial pressure of carbon dioxide, temperature, salinity and other variables collected from surface underway observations during Ships of Opportunity (SOOP) M/V Celebrity Equinox cruise lines in the North Atlantic Ocean in 2024 (NCEI Accession 0302086)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-02-28T00:00:00.000+00:00
This dataset consists of the surface underway measurements of mole fraction of CO2 in the equilibrator headspace (dry) at equilibrator temperature (ppm), mole fraction of CO2 measured in dry...
- html
- none
- none
- none
- none
- none
- +6 more
Search relevance: 38.86 | Views last month: 0
#19 Federal
Partial pressure (or fugacity) of carbon dioxide, temperature, salinity and other variables collected from surface underway observations using carbon dioxide gas analyzer, shower head equilibrator and other instruments from SOOP M/V Las Cuevas cruises in the Gulf of Mexico and Caribbean Sea from 2009-09-12 to 2009-10-28 (NCEI Accession 0162030)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-04-28T00:00:00.000+00:00
This dataset consists of the surface underway measurements of Mole fraction of CO2 in the equilibrator headspace (dry) at equilibrator temperature (ppm), Mole fraction of CO2 measured in dry...
- html
- none
- none
- none
- none
- none
- +5 more
Search relevance: 38.86 | Views last month: 0
#20 Federal
Partial pressure of carbon dioxide, temperature, salinity and other variables collected from surface underway observations during Ships of Opportunity (SOOP) M/V Celebrity Equinox cruise lines in the Caribbean Sea, North Atlantic Ocean in 2025 (NCEI Accession 0302087)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-02-28T00:00:00.000+00:00
This dataset consists of the surface underway measurements of mole fraction of CO2 in the equilibrator headspace (dry) at equilibrator temperature (ppm), mole fraction of CO2 measured in dry...
- html
- none
- none
- none
- none
- none
- +6 more
Search relevance: 38.74 | Views last month: 0

Filter selections are applied on each click

Draw a geographic box