@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:t12-26>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "12-26" ;
  skosxl:prefLabel "Richardson constant"@en ;
  skosxl:altLabel "A"@en ;
  skos:definition "parameter in the expression for the thermionic emission current density stem:[J] (<<iec80000-6>>) for a metal in terms of the thermodynamic temperature stem:[T] (<<iso80000-5>>) and work function stem:[phi], (<<t12-24.1>>):\n\n[stem%unnumbered]\n++++\nJ = AT^2 \"exp\" (-phi/(kT))\n++++\n\nwhere stem:[k] is the Boltzmann constant (<<iso80000-1>>)\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-12> ;
  isq:hasUnit [
    skos:notation "A*m^(-2)*K^(-2)" ;
    skosxl:prefLabel "ampere per square metre kelvin squared"@en
  ] ;
  iso:urn <urn:iso:std:iso:80000:-12:ed-2:en:item:12-26> .