Concept
Mole fraction of methane in dry air
| URI | http://vocab.nerc.ac.uk/standard_name/mole_fraction_of_methane_in_dry_air/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Definition | "Mole fraction" is used in the construction "mole_fraction_of_X_in_Y", where X is a material constituent of Y. A chemical species or biological group denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". The phrase "in_dry_air" means that the quantity is calculated as the number of particles of X divided by the number of dry air particles, i.e. the effect of water vapor is excluded. The chemical formula for methane is CH4. Methane is a member of the group of hydrocarbons known as alkanes. There are standard names for the alkane group as well as for some of the individual species. | ||
| Date | None | ||
| Note | accepted | ||
| modified | 2024-01-18 09:01:44.0 | ||
| Exact Match | http://mmisw.org/ont/cf/parameter/mole_fraction_of_methane_in_dry_air | ||
| http://vocab.nerc.ac.uk/standard_name/mole_fraction_of_methane_in_dry_air/ | |||
P07:760D4K7J |
mole_fraction_of_methane_in_dry_air | ||
| Related | P06:UUUU |
Dimensionless | |
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