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

<http://www.irandoc.acir/onto/irandoc/INSP0006042>
  skos:altLabel "hydrogen ion concentration"@en ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0001485>, <http://www.irandoc.acir/onto/irandoc/INSP0001490> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0006068> ;
  skos:prefLabel "pH"@en, "پ‌هاش"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/INSP0001485>
  skos:prefLabel "pH control"@en, "واپایش پ‌هاش"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0006042> .

<http://www.irandoc.acir/onto/irandoc/INSP0001490>
  skos:prefLabel "pH measurement"@en, "اندازه‌گیری پ‌هاش"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0006042> .

<http://www.irandoc.acir/onto/irandoc/INSP0006068>
  skos:prefLabel "شیمی‌فیزیک"@fa, "physical chemistry"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0006042> .