@prefix envthes: . @prefix skos: . @prefix owl: . @prefix dc: . @prefix xsd: . envthes: skos:prefLabel "EnvThes"@en ; a owl:Ontology, skos:ConceptScheme . envthes:20935 skos:prefLabel "variable"@en ; a skos:Concept ; skos:narrower envthes:21216 . envthes:21216 skos:inScheme envthes: ; a skos:Concept ; skos:note "[controlled by ] Leca Stefan 14.06.2013\" , \"[source of definition ] wikipedia"@en ; skos:definition "is a measure of the tendency of a chemical species to acquire electrons and thereby be reduced"@en ; skos:broader envthes:20935 ; dc:modified "2018-06-18"^^xsd:date ; dc:created "2016-03-31"^^xsd:date ; skos:prefLabel "redox potential of water"@en ; dc:creator "herbert.schentz@umweltbundesamt.at"@en .