@prefix envthes: . @prefix iadopt: . @prefix skos: . @prefix dc: . @prefix xsd: . @prefix owl: . envthes:30209 iadopt:hasProperty envthes:10073 . envthes:10351 skos:prefLabel "observable property"@en ; a skos:Concept ; skos:narrower envthes:10073 . envthes:10073 skos:inScheme envthes: ; a skos:Concept ; skos:exactMatch ; skos:definition "The measured abundance of a substance in a mixture."@en ; skos:broader envthes:10351 ; dc:modified "2019-02-14"^^xsd:date ; dc:created "2014-12-16"^^xsd:date ; skos:prefLabel "concentration"@en ; dc:creator "0000-0002-3518-8918"@en . envthes: skos:prefLabel "EnvThes"@en ; a owl:Ontology, skos:ConceptScheme . envthes:30208 iadopt:hasProperty envthes:10073 .