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

<http://www.irandoc.acir/onto/irandoc/INSP0010523>
  skos:prefLabel "هلیم مایع-4"@fa, "liquid helium-4"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP000192> .

<http://www.irandoc.acir/onto/irandoc/INSP000192>
  skos:prefLabel "liquid helium sound propagation"@en, "انتشار صوتی هلیم مایع"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0010523>, <http://www.irandoc.acir/onto/irandoc/INSP000319>, <http://www.irandoc.acir/onto/irandoc/INSP0010524> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP000190>, <http://www.irandoc.acir/onto/irandoc/INSP000191> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP000195> .

<http://www.irandoc.acir/onto/irandoc/INSP000190>
  skos:prefLabel "صوت ثانوی"@fa, "second sound"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP000192> .

<http://www.irandoc.acir/onto/irandoc/INSP000195>
  skos:prefLabel "انتشار موج آکوستیکی"@fa, "acoustic wave propagation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP000192> .

<http://www.irandoc.acir/onto/irandoc/INSP0010524>
  skos:prefLabel "هلیم مایع"@fa, "liquid helium"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP000192> .

<http://www.irandoc.acir/onto/irandoc/INSP000319>
  skos:prefLabel "سرعت موج آکوستیکی"@fa, "acoustic wave velocity"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP000192> .

<http://www.irandoc.acir/onto/irandoc/INSP000191>
  skos:prefLabel "صوت صفر"@fa, "zero sound"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP000192> .