@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:t9-40.1>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "9-40.1" ;
  skosxl:prefLabel "thermal diffusion ratio"@en ;
  skosxl:altLabel "k_T"@en ;
  skos:definition "in a steady-state of a binary mixture in which thermal diffusion occurs, proportionality factor between gradient of the amount-of-substance fraction stem:[x_\"B\"] (<<t9-13>>) of the heavier substance stem:[\"B\"], and negative gradient of the local thermodynamic temperature stem:[T] (<<iso80000-5>>) divided by that temperature (<<iso80000-5>>):\n\n[stem%unnumbered]\n++++\nbb(\"grad\") x_\"B\" = -(k_T//T) bb(\"grad\") T\n++++\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-9> ;
  isq:hasUnit [
    skos:notation "1" ;
    skosxl:prefLabel "one"@en
  ] ;
  iso:urn <urn:iso:std:iso:80000:-9:ed-2:en:item:9-40.1> .