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

<http://www.irandoc.acir/onto/irandoc/insp0009139>
  skos:prefLabel "Penning ionization"@en, "یونش محدود"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004621> .

<http://www.irandoc.acir/onto/irandoc/insp0004644>
  skos:prefLabel "Ion beam"@en, "باریکه یونی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004621> .

<http://www.irandoc.acir/onto/irandoc/insp0004622>
  skos:prefLabel "Ion sources"@en, "چشمه یون"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0004621> .

<http://www.irandoc.acir/onto/irandoc/insp0004621>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0009139>, <http://www.irandoc.acir/onto/irandoc/insp0004644> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0004622> ;
  skos:prefLabel "Penning ion sources"@en, "چشمه یون محدود"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .