@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:t8-11>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "8-11" ;
  skosxl:prefLabel "sound exposure"@en ;
  skosxl:altLabel "E"@en ;
  skos:definition "time-integrated squared sound pressure (<<t8-2.2>>)"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-8> ;
  isq:hasUnit [
    skos:notation "Pa^2*s" ;
    skosxl:prefLabel "pascal squared second"@en
  ] ;
  isq:hasUnit [
    skos:notation "kg^2*m^(-2)*s^(-3)" ;
    skosxl:prefLabel "kilogram squared per square metre second cubed"@en
  ] ;
  skos:note "In formula form:\n\nstem:[E = int_(t_1)^(t_2) p^2 \"d\"t] where stem:[t_1] and stem:[t_2] are the starting and ending times for the integral and stem:[p] is sound pressure (<<t8-2.2>>).\n\nIn airborne acoustics, the sound pressure is frequency-weighted and frequency-band-limited. If frequency weightings as specified in <<iec61672-1>> are applied, this should be indicated by appropriate subscripts to the symbol stem:[E].\n\nIn underwater acoustics, the term \"sound exposure\" indicates an unweighted quantity unless indicated otherwise.\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-8:ed-1:en:item:8-11> .
