@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" ; ns3:hasProfile ; ns1:status ; rdfs:seeAlso ; skos:definition "Content indicates a quantity per unit area. The atmosphere content of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere"@en ; skos:exactMatch ; skos:prefLabel "tendency of atmosphere mass content of halon1202 due to emission"@en ; ns2:hadPrimarySource .