@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:t12-4>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "12-4" ;
  skosxl:prefLabel "Bragg angle"@en ;
  skosxl:altLabel "vartheta"@en ;
  skos:definition "angle between the scattered ray and the lattice plane"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-12> ;
  isq:hasUnit [
    skos:notation "1" ;
    skosxl:prefLabel "one"@en
  ] ;
  isq:hasUnit [
    skos:notation "deg" ;
    skosxl:prefLabel "degree"@en
  ] ;
  skos:note "Bragg angle stem:[vartheta] is given by\n\n[stem%unnumbered]\n++++\n2d \"sin\" vartheta = n lambda\n++++\n\nwhere stem:[d] is the lattice plane spacing (<<t12-3>>), stem:[lambda] is the wavelength (<<iso80000-7>>) of the radiation, and stem:[n] is the order of reflexion which is an integer.\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-12:ed-2:en:item:12-4> .