Concept
mass_fraction_of_alkenes_in_air
| URI | http://vocab.nerc.ac.uk/collection/P07/current/CF12N329/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Alternative Labels | |||
| Definition | Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of X to the mass of Y (including X). A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. Alkenes are unsaturated hydrocarbons as they contain chemical double bonds between adjacent carbon atoms. Alkenes contain only hydrogen and carbon combined in the general proportions C(n)H(2n); "alkenes" is the term used in standard names to describe the group of chemical species having this common structure that are represented within a given model. The list of individual species that are included in a quantity having a group chemical standard name can vary between models. Where possible, the data variable should be accompanied by a complete description of the species represented, for example, by using a comment attribute. Standard names exist for some individual alkene species, e.g., ethene and propene. | ||
| Date | 2009-07-06T15:41:29 | ||
| Identifier | SDN:P07::CF12N329 | ||
| Note | accepted | ||
| Has Current Version | 1 | ||
| version | 1 | ||
| Same As | MMI | http://mmisw.org/ont/cf/parameter/mass_fraction_of_alkenes_in_air | Mapping: 252085 |
| CF | http://vocab.nerc.ac.uk/standard_name/mass_fraction_of_alkenes_in_air/ | Mapping: 358345 | |
| Broader | P02:AEYN |
Concentration of alkenes and alkynes in the atmosphere | Mapping: 167624 |
P04:G140 |
EARTH SCIENCE > Atmosphere > Atmospheric Chemistry/Carbon and Hydrocarbon Compounds > Non-methane Hydrocarbons | Mapping: 169385 | |
| Related | P06:UUUU |
Dimensionless | Mapping: 164890 |
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