@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/CAB0054267>
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0052605>, <http://www.irandoc.acir/onto/irandoc/CAB0053972> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0054274> ;
  skos:prefLabel "یون‌های هیدروژن"@fa, "hydrogen ions"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CAB0053972>
  skos:prefLabel "هیدروژن"@fa, "hydrogen"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0054267> .

<http://www.irandoc.acir/onto/irandoc/CAB0052605>
  skos:prefLabel "pH"@en, "پی.اچ"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0054267> .

<http://www.irandoc.acir/onto/irandoc/CAB0054274>
  skos:prefLabel "کاتیون‌ها"@fa, "cations"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0054267> .