@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:t7-2.2>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "7-2.2" ;
  skosxl:prefLabel "spectral radiant energy"@en ;
  skosxl:altLabel "Q_(\"e\",lambda)"@en ;
  skosxl:altLabel "W_lambda"@en ;
  skosxl:altLabel "U_lambda"@en ;
  skosxl:altLabel "(Q_lambda)"@en ;
  skos:definition "spectral density of radiant energy, expressed by\n\n[stem%unnumbered]\n++++\nQ_(\"e\",lambda) = (\"d\"Q_\"e\")/(\"d\"lambda)\n++++\n\nwhere stem:[Q_\"e\"] is radiant energy (<<t7-2.1>>) in terms of wavelength stem:[lambda] (<<iso80000-3>>)\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-7> ;
  isq:hasUnit [
    skos:notation "J/nm" ;
    skosxl:prefLabel "joule per nanometre"@en
  ] ;
  isq:hasUnit [
    skos:notation "kg*m*s^(-2)" ;
    skosxl:prefLabel "kilogram metre per second squared"@en
  ] ;
  skos:note "The integral of (total) radiant energy is determined by the wavelength interval stem:[(lambda_1, lambda_2)] under consideration:\n\n[stem%unnumbered]\n++++\nQ_\"e\" = int_(lambda_1)^(lambda_2) Q_(\"e\",lambda) \"d\"lambda\n++++\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-7:ed-2:en:item:7-2.2> .