@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:t6-26.1>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "6-26.1" ;
  skosxl:prefLabel "magnetic constant"@en ;
  skosxl:altLabel "permeability of vacuum"@en ;
  skosxl:altLabel "mu_0"@en ;
  skos:definition "scalar quantity given by\nstem:[mu_0 ~~ 4pi xx 10^(-7) \"unitsml(H/m)\"] with a relative standard uncertainty of stem:[2.3 xx 10^(-10)]\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-6> ;
  isq:hasUnit [
    skos:notation "H/m" ;
    skosxl:prefLabel "henry per metre"@en
  ] ;
  isq:hasUnit [
    skos:notation "kg*m*s^(-2)*A^(-2)" ;
    skosxl:prefLabel "kilogram metre per second squared ampere squared"@en
  ] ;
  skos:note "This quantity is considered to be constant in time.\n\nThe numerical value of the magnetic constant was originally exactly stem:[4pi xx 10^(-7)]. It must be determined experimentally; see <<bipm-si>>.\n\nSee <<bipm-si>> and <<iec60050-121,locality:item=\"121-11-14\">>.\n"@en ;
  iso:urn <urn:iec:std:iec:80000-6:2022-11:::6-26.1> .