@prefix dct: . @prefix ns1: . @prefix ns2: . @prefix ns3: . @prefix rdfs: . @prefix skos: . a skos:Concept ; dct:created "2019-01-14" ; dct:modified "2019-01-14" ; ns1:hasProfile ; ns3:status ; rdfs:seeAlso ; skos:definition "Number concentration means the number of particles or other specified objects per unit volume. Pm10 aerosol is an air pollutant with an aerodynamic diameter of less than or equal to 10 micrometers. To specify the relative humidity and temperature at which the particle size applies"@en ; skos:exactMatch ; skos:prefLabel "number concentration of pm10 aerosol particles in air"@en ; ns2:hadPrimarySource .