@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @prefix grg: . @prefix iop: . @prefix ns0: . @prefix ns1: . @prefix owl: . @prefix pav: . @prefix prov: . @prefix puv: . @prefix qudt: . @prefix rdf: . @prefix rdfs: . @prefix reg: . @prefix semapv: . @prefix skos: . @prefix sssom: . @prefix void: . rdf:type skos:Concept ; dce:identifier "CF12N54" ; dc:identifier "CF12N54" ; dc:isVersionOf ; pav:authoredOn "06-JUL-09" ; pav:version "1" ; owl:versionInfo "1" ; skos:altLabel "" ; 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, standard names including content_of_atmosphere_layer are used. The chemical formula for HCFC142b is CH3CClF2. The IUPAC name for HCFC142b is 1-chloro-1,1-difluoroethane." ; skos:notation "CF12N54" ; skos:note "accepted" ; skos:prefLabel "atmosphere_mass_content_of_hcfc142b"@en .