@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:t10-66>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "10-66" ;
  skosxl:prefLabel "particle source density"@en ;
  skosxl:altLabel "S"@en ;
  skos:definition "quotient of the mean rate of production of particles in a volume, and that volume (<<iso80000-3>>)"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-10> ;
  isq:hasUnit [
    skos:notation "m^(-3)*s^(-1)" ;
    skosxl:prefLabel "per cubic metre second"@en
  ] ;
  skos:note "The word \"particle\" is usually replaced by the name of a specific particle, for example _proton_ source density.\n\nThe distribution functions expressed in terms of speed and energy, stem:[S_nu] and stem:[S_E], are related to stem:[S] by:\n\n[stem%unnumbered]\n++++\nS = int S_nu \"d\"nu = int S_E \"d\"E.\n++++\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-10:ed-2:en:item:10-66> .