@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://rdf-vocabulary.ddialliance.org/xkos#has_SI-unit> rdfs:label "دارای واحد اس‌آی"@fa, "has SI-unit"@en .
<http://rdf-vocabulary.ddialliance.org/xkos#synonym> rdfs:label "مترادف"@fa, "synonym"@en .
<http://rdf-vocabulary.ddialliance.org/xkos#discussion> rdfs:label "بحث"@fa, "discussion"@en .
<http://rdf-vocabulary.ddialliance.org/xkos#comment> rdfs:label "نظر"@fa, "comment"@en .
<http://www.irandoc.acir/onto/irandoc/OPB_01579>
  ns0:label "Helmholtz free energy" ;
  ns0:has_SI-unit "Joule SI-unit" ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/OPB_01317> ;
  skos:prefLabel "Helmholtz free energy"@en, "انرژی آزاد هلمهولتز"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:wikipedia <https://en.wikipedia.org/wiki/Helmholtz_free_energy> ;
  ns0:comment "A thermodynamic potential that is amount of energy of dynamical entity that is available for doing useful work at a constant temperature and volume." ;
  ns0:prefixIRI "OPB:OPB_01579" ;
  ns0:synonym "A", "F" ;
  ns0:Obsolete "false" ;
  ns0:discussion "For dynamical entity the amount of Helmholtz free energy, A, is the difference between the entity's internal energy, U, and the product of its temperature, T, and its entropy, S; i.e,  A = U-TS." .

ns0:label rdfs:label "برچسب"@fa, "label"@en .
ns0:prefixIRI rdfs:label "پیشوند آی‌آرآی"@fa, "prefixIRI"@en .
ns0:Obsolete rdfs:label "منسوخ"@fa, "Obsolete"@en .
ns0:wikipedia rdfs:label "ویکی‌پدیا"@fa, "wikipedia"@en .
<http://www.irandoc.acir/onto/irandoc/OPB_01317>
  skos:prefLabel "Thermodynamic potential"@en, "پتانسیل ترمودینامیکی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/OPB_01579> .