@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 "CF12N356" ; dc:identifier "CF12N356" ; dc:isVersionOf ; pav:authoredOn "06-JUL-09" ; pav:version "1" ; owl:versionInfo "1" ; skos:altLabel "" ; skos:definition "Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of X to the mass of Y (including X). 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'. The chemical formula for chlorine monoxide is ClO." ; skos:notation "CF12N356" ; skos:note "accepted" ; skos:prefLabel "mass_fraction_of_chlorine_monoxide_in_air"@en .