ACTRIS Vocabulary
gas phase
nitrogen oxides
Number concentration means number of molecule per unit volume, and is used in the construction molecular_concentration_of_X_in_Y, where X is a material constituent of Y. 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'. Nitrogen oxides (NOx) describes a mixture of nitric oxide (NO) and nitrogen dioxide (NO2) and is a member of the group of inorganics.
nitrogen oxides number concentration
number concentration
trace gas variables
variable
Observation Matrix
Object Of Interest
Observed Property