@prefix isq: <https://w3id.org/standards/isq/ontologies/core/> .
@prefix smart: <https://example.org/smart-sdu/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<isq:t7-30.1>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "7-30.1" ;
  skosxl:prefLabel "emissivity"@en ;
  skosxl:altLabel "epsilon"@en ;
  skosxl:altLabel "epsilon_\"T\""@en ;
  skos:definition "quotient of the radiant exitance of a radiator and the radiant exitance of a Planckian radiator at the same temperature, expressed by\n\n[stem%unnumbered]\n++++\nepsilon = M/M_\"b\"\n++++\n\nwhere stem:[M] is the radiant exitance (<<t7-8.1>>) of a thermal radiator and stem:[M_\"b\"] is the radiant exitance of a Planckian radiator at the same temperature (<<iso80000-5>>)\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-7> ;
  isq:hasUnit [
    skos:notation "1" ;
    skosxl:prefLabel "one"@en
  ] ;
  iso:urn <urn:iso:std:iso:80000:-7:ed-2:en:item:7-30.1> .