@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:t4-5>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "4-5" ;
  skosxl:prefLabel "surface mass density"@en ;
  skosxl:altLabel "surface density"@en ;
  skosxl:altLabel "rho_A"@en ;
  skos:definition "quantity representing the areal distribution of mass of a continuous\nmaterial:\n\nstem:[rho_A(r) = (\"d\"m)/(\"d\"A)]\n\nwhere stem:[m] is the mass of the material at position stem:[r] and stem:[A]\nis area\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-4> ;
  isq:hasUnit [
    skos:notation "kg*m^(-2)" ;
    skosxl:prefLabel "kilogram per square metre"@en
  ] ;
  skos:note "The name \"grammage\" should not be used for this quantity."@en ;
  iso:urn <urn:iso:std:iso:80000:-4:ed-2:en:item:4-5> .