@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:t9-9.1>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "9-9.1" ;
  skosxl:prefLabel "particle concentration"@en ;
  skosxl:altLabel "n"@en ;
  skosxl:altLabel "(C)"@en ;
  skos:definition "quotient of number stem:[N] of particles (<<t9-1>>) and volume stem:[V] (<<iso80000-3>>):\n\n[stem%unnumbered]\n++++\nn=N//V\n++++\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-9> ;
  isq:hasUnit [
    skos:notation "m^(-3)" ;
    skosxl:prefLabel "per cubic metre"@en
  ] ;
  skos:note "The term \"number density\" is also used."@en ;
  iso:urn <urn:iso:std:iso:80000:-9:ed-2:en:item:9-9.1> .