@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix unece: <https://test.uncefact.org/vocabulary/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://test.uncefact.org/vocabulary/unit-of-measure/kind/acoustic> a skos:Collection ;
    rdfs:label "Acoustic (sound) units"@en ;
    skos:definition "Units of measure grouped by quantity kind: acoustic (sound)."@en ;
    skos:member <https://test.uncefact.org/vocabulary/unit-of-measure/2N>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/A64>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/C32>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/C69>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/C76>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/D15>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/D54>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/D85>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/H51>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/H52>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/MSK>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/MTR>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/MTS>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/P42>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/P43> .

<https://test.uncefact.org/vocabulary/unit-of-measure/2N> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/DeciB> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "2N" ;
    skos:prefLabel "decibel"@en ;
    unece:dimensionVector "1" ;
    unece:rec20Quantity "level of a field quantity, level of a power quantity"@en,
        "sound pressure level, sound power level"@en,
        "sound reduction index"@en ;
    unece:rec20Sector "Acoustics"@en,
        "Periodic and related phenomena"@en ;
    unece:ucumCode "dB" ;
    unece:unitSymbol "dB" .

<https://test.uncefact.org/vocabulary/unit-of-measure/A64> a skos:Concept ;
    owl:deprecated true ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "A64" ;
    skos:prefLabel "erg per second square centimetre"@en ;
    unece:rec20Quantity "sound intensity"@en ;
    unece:rec20Sector "Acoustics"@en ;
    unece:unitSymbol "erg/(s·cm²)" .

<https://test.uncefact.org/vocabulary/unit-of-measure/C32> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/MilliW-PER-M2> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "C32" ;
    skos:prefLabel "milliwatt per square metre"@en ;
    unece:conversionMultiplier 0.001 ;
    unece:dimensionVector "M1 T-3" ;
    unece:rec20Quantity "sound intensity"@en ;
    unece:rec20Sector "Acoustics"@en ;
    unece:ucumCode "mW.m-2" ;
    unece:unitSymbol "mW/m²" .

<https://test.uncefact.org/vocabulary/unit-of-measure/C69> a skos:Concept ;
    skos:definition "A unit of subjective sound loudness. A sound has loudness p phons if it seems to the listener to be equal in loudness to the sound of a pure tone of frequency 1 kilohertz and strength p decibels."@en ;
    skos:exactMatch <http://qudt.org/vocab/unit/PHON> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "C69" ;
    skos:prefLabel "phon"@en ;
    unece:conversionMultiplier 1.0 ;
    unece:dimensionVector "1" ;
    unece:rec20Quantity "loudness level"@en ;
    unece:rec20Sector "Acoustics"@en .

<https://test.uncefact.org/vocabulary/unit-of-measure/C76> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/PicoW-PER-M2> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "C76" ;
    skos:prefLabel "picowatt per square metre"@en ;
    unece:conversionMultiplier 1e-12 ;
    unece:dimensionVector "M1 T-3" ;
    unece:rec20Quantity "sound intensity"@en ;
    unece:rec20Sector "Acoustics"@en ;
    unece:ucumCode "pW.m-2" ;
    unece:unitSymbol "pW/m²" .

<https://test.uncefact.org/vocabulary/unit-of-measure/D15> a skos:Concept ;
    skos:definition "A unit of subjective sound loudness. One sone is the loudness of a pure tone of frequency one kilohertz and strength 40 decibels."@en ;
    skos:exactMatch <http://qudt.org/vocab/unit/SON> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "D15" ;
    skos:prefLabel "sone"@en ;
    unece:conversionMultiplier 1.0 ;
    unece:dimensionVector "1" ;
    unece:rec20Quantity "loudness"@en ;
    unece:rec20Sector "Acoustics"@en .

<https://test.uncefact.org/vocabulary/unit-of-measure/D54> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/W-PER-M2> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "D54" ;
    skos:prefLabel "watt per square metre"@en ;
    unece:conversionMultiplier 1.0 ;
    unece:dimensionVector "M1 T-3" ;
    unece:rec20Quantity "Poynting vector"@en,
        "density of heat flow rate"@en,
        "energy fluence rate, (energy flux density)"@en,
        "radiant energy, fluence rate, radiant exitance, irradiance, first radiation constant"@en,
        "sound intensity"@en ;
    unece:rec20Sector "Acoustics"@en,
        "Electricity and Magnetism"@en,
        "Heat"@en,
        "Light and Related Electromagnetic Radiations"@en,
        "Nuclear Reactions and Ionizing Radiations"@en ;
    unece:ucumCode "W.m-2" ;
    unece:unitSymbol "W/m²" .

<https://test.uncefact.org/vocabulary/unit-of-measure/D85> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/MicroW-PER-M2> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "D85" ;
    skos:prefLabel "microwatt per square metre"@en ;
    unece:conversionMultiplier 1e-06 ;
    unece:dimensionVector "M1 T-3" ;
    unece:rec20Quantity "sound intensity"@en ;
    unece:rec20Sector "Acoustics"@en ;
    unece:ucumCode "uW.m-2" ;
    unece:unitSymbol "µW/m²" .

<https://test.uncefact.org/vocabulary/unit-of-measure/H51> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/DeciB-PER-KiloM> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "H51" ;
    skos:prefLabel "decibel per kilometre"@en ;
    unece:dimensionVector "L-1" ;
    unece:rec20Quantity "sound pressure level, sound power level"@en ;
    unece:rec20Sector "Acoustics"@en ;
    unece:ucumCode "dB.km-1" ;
    unece:unitSymbol "dB/km" .

<https://test.uncefact.org/vocabulary/unit-of-measure/H52> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/DeciB-PER-M> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "H52" ;
    skos:prefLabel "decibel per metre"@en ;
    unece:dimensionVector "L-1" ;
    unece:rec20Quantity "sound pressure level, sound power level"@en ;
    unece:rec20Sector "Acoustics"@en ;
    unece:ucumCode "dB.m-1" ;
    unece:unitSymbol "dB/m" .

<https://test.uncefact.org/vocabulary/unit-of-measure/MSK> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/M-PER-SEC2> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "MSK" ;
    skos:prefLabel "metre per second squared"@en ;
    unece:conversionMultiplier 1.0 ;
    unece:dimensionVector "L1 T-2" ;
    unece:rec20Quantity "(instantaneous) sound particle acceleration"@en,
        "acceleration, acceleration of free fall, acceleration due to gravity"@en ;
    unece:rec20Sector "Acoustics"@en,
        "Space and Time"@en ;
    unece:ucumCode "m.s-2" ;
    unece:unitSymbol "m/s²" .

<https://test.uncefact.org/vocabulary/unit-of-measure/MTR> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/M> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "MTR" ;
    skos:prefLabel "metre"@en ;
    unece:conversionMultiplier 1.0 ;
    unece:dimensionVector "L1" ;
    unece:rec20Quantity "(instantaneous) sound particle displacement"@en,
        "Bohr radius"@en,
        "diffusion coefficient for neutron fluence rate, (diffusion coefficient for neutron flux density)"@en,
        "half-thickness, half-value thickness"@en,
        "lattice vector, fundamental lattice vector"@en,
        "length, breadth, height, thickness, radius, radius of curvature, cartesian coordinates, diameter, length of path, distance"@en,
        "mean free path"@en,
        "mean free path of phonons or electrons, London penetration depth, coherence length, diffusion length"@en,
        "mean linear range, mean free path"@en,
        "nuclear radius, electron radius, Compton wavelength"@en,
        "object distance, image distance, focal distance"@en,
        "particle position vector, equilibrium position vector of ion or atom, displacement vector of ion or atom"@en,
        "slowing-down length, diffusion length, migration length"@en,
        "wavelength"@en ;
    unece:rec20Sector "Acoustics"@en,
        "Atomic and Nuclear Physics"@en,
        "Light and Related Electromagnetic Radiations"@en,
        "Nuclear Reactions and Ionizing Radiations"@en,
        "Periodic and related phenomena"@en,
        "Physical Chemistry and Molecular Physics"@en,
        "Solid State Physics"@en,
        "Space and Time"@en ;
    unece:ucumCode "m" ;
    unece:unitSymbol "m" .

<https://test.uncefact.org/vocabulary/unit-of-measure/MTS> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/M-PER-SEC> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "MTS" ;
    skos:prefLabel "metre per second"@en ;
    unece:conversionMultiplier 1.0 ;
    unece:dimensionVector "L1 T-1" ;
    unece:rec20Quantity "(instantaneous) sound particle velocity"@en,
        "neutron speed"@en,
        "phase velocity of electromagnetic_x000D_ waves, phase speed of electromagnetic waves"@en,
        "velocity (speed) on propagation of electromagnetic waves in vacuo"@en,
        "velocity of sound (phase velocity), group velocity"@en,
        "velocity, phase velocity, group velocity"@en ;
    unece:rec20Sector "Acoustics"@en,
        "Electricity and Magnetism"@en,
        "Light and Related Electromagnetic Radiations"@en,
        "Nuclear Reactions and Ionizing Radiations"@en,
        "Space and Time"@en ;
    unece:ucumCode "m.s-1" ;
    unece:unitSymbol "m/s" .

<https://test.uncefact.org/vocabulary/unit-of-measure/P42> a skos:Concept ;
    skos:definition "Unit of the set as a product of the power of derived SI unit pascal with exponent 2 and the SI base unit second."@en ;
    skos:exactMatch <http://qudt.org/vocab/unit/PA2-SEC> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "P42" ;
    skos:prefLabel "pascal squared second"@en ;
    unece:conversionMultiplier 1.0 ;
    unece:dimensionVector "L-2 M2 T-3" ;
    unece:rec20Quantity "sound exposure"@en ;
    unece:rec20Sector "Acoustics"@en ;
    unece:ucumCode "Pa2.s" ;
    unece:unitSymbol "Pa²·s" .

<https://test.uncefact.org/vocabulary/unit-of-measure/P43> a skos:Concept ;
    skos:definition "Unit bel divided by the SI base unit metre."@en ;
    skos:exactMatch <http://qudt.org/vocab/unit/B-PER-M> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "P43" ;
    skos:prefLabel "bel per metre"@en ;
    unece:dimensionVector "L-1" ;
    unece:rec20Quantity "sound pressure level, sound power level"@en ;
    unece:rec20Sector "Acoustics"@en ;
    unece:ucumCode "B.m-1" ;
    unece:unitSymbol "B/m" .