@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: . skos:related . skos:member . skos:altLabel "" ; skos:broader , ; 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 or biological 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 bromine monoxide is BrO."@en ; skos:notation "SDN:P07::CF12N342" ; skos:note "accepted"@en ; skos:prefLabel "mass_fraction_of_bromine_monoxide_in_air"@en ; skos:related . skos:exactMatch . skos:related . skos:narrower . skos:narrower . skos:narrower . skos:narrower .