Observed Property
Observation Matrix
number concentration
Object Of Interest
aerosol particle number concentration
ACTRIS Vocabulary
particle phase
nano
variable
Constraint
aerosol particle nano number concentration
"Number concentration" means the number of particles or other specified objects per unit volume. "Aerosol" means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. “Aerosol particle” refers only to the particle phase of the aerosol, excluding the carrier gas.
aerosol particle phase