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

<http://www.irandoc.acir/onto/irandoc/CHMTR000088>
  skos:prefLabel "یون‌های موجود در آب"@fa, "ions"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CHMTR000077> .

<http://www.irandoc.acir/onto/irandoc/CHMTR000077>
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000070> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CHMTR000088> ;
  skos:prefLabel "آنیون‌ها"@fa, "anions"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CHMTR000070>
  skos:prefLabel "پیوند یونی"@fa, "ionic bond"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000077> .