@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/frequency> a skos:Collection ;
    rdfs:label "Frequency units"@en ;
    skos:definition "Units of measure grouped by quantity kind: frequency."@en ;
    skos:member <https://test.uncefact.org/vocabulary/unit-of-measure/2A>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/A86>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/C59>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/C94>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/C97>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/D29>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/D94>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/H09>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/H10>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/H11>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/H85>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/HTZ>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/KHZ>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/MHZ>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/MTZ>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/OPM>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/RPM>,
        <https://test.uncefact.org/vocabulary/unit-of-measure/RPS> .

<https://test.uncefact.org/vocabulary/unit-of-measure/2A> a skos:Concept ;
    skos:definition "Refer ISO/TC12 SI Guide"@en ;
    skos:exactMatch <http://qudt.org/vocab/unit/RAD-PER-SEC> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "2A" ;
    skos:prefLabel "radian per second"@en ;
    unece:conversionMultiplier 1.0 ;
    unece:dimensionVector "T-1" ;
    unece:rec20Quantity "Debye angular frequency"@en,
        "angular frequency, pulsatance"@en,
        "angular velocity"@en,
        "circular frequency"@en,
        "nuclear precession, cyclotron angular frequency"@en ;
    unece:rec20Sector "Acoustics"@en,
        "Atomic and Nuclear Physics"@en,
        "Light and Related Electromagnetic Radiations"@en,
        "Periodic and related phenomena"@en,
        "Solid State Physics"@en,
        "Space and Time"@en ;
    unece:ucumCode "rad.s-1" ;
    unece:unitSymbol "rad/s" .

<https://test.uncefact.org/vocabulary/unit-of-measure/A86> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/GigaHZ> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "A86" ;
    skos:prefLabel "gigahertz"@en ;
    unece:conversionMultiplier 1000000000.0 ;
    unece:dimensionVector "T-1" ;
    unece:rec20Quantity "frequency"@en ;
    unece:rec20Sector "Periodic and related phenomena"@en ;
    unece:ucumCode "GHz" ;
    unece:unitSymbol "GHz" .

<https://test.uncefact.org/vocabulary/unit-of-measure/C59> a skos:Concept ;
    skos:definition "A unit used in music to describe the ratio in frequency between notes."@en ;
    skos:exactMatch <http://qudt.org/vocab/unit/OCT> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "C59" ;
    skos:prefLabel "octave"@en ;
    unece:dimensionVector "1" ;
    unece:rec20Quantity "frequency interval"@en ;
    unece:rec20Sector "Acoustics"@en .

<https://test.uncefact.org/vocabulary/unit-of-measure/C94> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/PER-MIN> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "C94" ;
    skos:prefLabel "reciprocal minute"@en ;
    unece:conversionMultiplier 0.016666666666666666 ;
    unece:dimensionVector "T-1" ;
    unece:rec20Quantity "rotational frequency"@en ;
    unece:rec20Sector "Periodic and related phenomena"@en ;
    unece:ucumCode "/min" ;
    unece:unitSymbol "min⁻¹" .

<https://test.uncefact.org/vocabulary/unit-of-measure/C97> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/PER-SEC> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "C97" ;
    skos:prefLabel "reciprocal second"@en ;
    unece:conversionMultiplier 1.0 ;
    unece:dimensionVector "T-1" ;
    unece:rec20Quantity "Debye angular frequency"@en,
        "Larmor angular frequency"@en,
        "angular frequency, pulsatance"@en,
        "circular frequency"@en,
        "damping coefficient"@en,
        "decay constant, disintegration constant"@en,
        "photon flux"@en,
        "rotational frequency"@en ;
    unece:rec20Sector "Acoustics"@en,
        "Atomic and Nuclear Physics"@en,
        "Light and Related Electromagnetic Radiations"@en,
        "Periodic and related phenomena"@en,
        "Solid State Physics"@en ;
    unece:ucumCode "/s" ;
    unece:unitSymbol "s⁻¹" .

<https://test.uncefact.org/vocabulary/unit-of-measure/D29> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/TeraHZ> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "D29" ;
    skos:prefLabel "terahertz"@en ;
    unece:conversionMultiplier 1000000000000.0 ;
    unece:dimensionVector "T-1" ;
    unece:rec20Quantity "frequency"@en ;
    unece:rec20Sector "Periodic and related phenomena"@en ;
    unece:ucumCode "THz" ;
    unece:unitSymbol "THz" .

<https://test.uncefact.org/vocabulary/unit-of-measure/D94> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/SEC-PER-M3-RAD> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "D94" ;
    skos:prefLabel "second per cubic metre radian"@en ;
    unece:conversionMultiplier 1.0 ;
    unece:dimensionVector "L-3 T1" ;
    unece:rec20Quantity "spectral concentration of vibrational modes (in terms of angular frequency)"@en ;
    unece:rec20Sector "Solid State Physics"@en ;
    unece:ucumCode "s.m-3.rad-1" ;
    unece:unitSymbol "s/(rad·m³)" .

<https://test.uncefact.org/vocabulary/unit-of-measure/H09> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/PER-YR> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "H09" ;
    skos:prefLabel "reciprocal year"@en ;
    unece:conversionMultiplier 3.168809e-08 ;
    unece:dimensionVector "T-1" ;
    unece:rec20Quantity "frequency"@en ;
    unece:rec20Sector "Periodic and related phenomena"@en ;
    unece:ucumCode "/a" ;
    unece:unitSymbol "1/y" .

<https://test.uncefact.org/vocabulary/unit-of-measure/H10> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/PER-HR> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "H10" ;
    skos:prefLabel "reciprocal hour"@en ;
    unece:conversionMultiplier 0.0002777777777777778 ;
    unece:dimensionVector "T-1" ;
    unece:rec20Quantity "frequency"@en ;
    unece:rec20Sector "Periodic and related phenomena"@en ;
    unece:ucumCode "/h" ;
    unece:unitSymbol "1/h" .

<https://test.uncefact.org/vocabulary/unit-of-measure/H11> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/PER-MO> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "H11" ;
    skos:prefLabel "reciprocal month"@en ;
    unece:conversionMultiplier 3.919351e-07 ;
    unece:dimensionVector "T-1" ;
    unece:rec20Quantity "frequency"@en ;
    unece:rec20Sector "Periodic and related phenomena"@en ;
    unece:ucumCode "/mo" ;
    unece:unitSymbol "1/mo" .

<https://test.uncefact.org/vocabulary/unit-of-measure/H85> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/PER-WK> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "H85" ;
    skos:prefLabel "reciprocal week"@en ;
    unece:conversionMultiplier 1.653439e-06 ;
    unece:dimensionVector "T-1" ;
    unece:rec20Quantity "frequency"@en ;
    unece:rec20Sector "Periodic and related phenomena"@en ;
    unece:ucumCode "/wk" ;
    unece:unitSymbol "1/wk" .

<https://test.uncefact.org/vocabulary/unit-of-measure/HTZ> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/HZ> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "HTZ" ;
    skos:prefLabel "hertz"@en ;
    unece:conversionMultiplier 1.0 ;
    unece:dimensionVector "T-1" ;
    unece:rec20Quantity "frequency"@en ;
    unece:rec20Sector "Acoustics"@en,
        "Light and Related Electromagnetic Radiations"@en,
        "Periodic and related phenomena"@en ;
    unece:ucumCode "Hz" ;
    unece:unitSymbol "Hz" .

<https://test.uncefact.org/vocabulary/unit-of-measure/KHZ> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/KiloHZ> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "KHZ" ;
    skos:prefLabel "kilohertz"@en ;
    unece:conversionMultiplier 1000.0 ;
    unece:dimensionVector "T-1" ;
    unece:rec20Quantity "frequency"@en ;
    unece:rec20Sector "Periodic and related phenomena"@en ;
    unece:ucumCode "kHz" ;
    unece:unitSymbol "kHz" .

<https://test.uncefact.org/vocabulary/unit-of-measure/MHZ> a skos:Concept ;
    skos:exactMatch <http://qudt.org/vocab/unit/MegaHZ> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "MHZ" ;
    skos:prefLabel "megahertz"@en ;
    unece:conversionMultiplier 1000000.0 ;
    unece:dimensionVector "T-1" ;
    unece:rec20Quantity "frequency"@en ;
    unece:rec20Sector "Periodic and related phenomena"@en ;
    unece:ucumCode "MHz" ;
    unece:unitSymbol "MHz" .

<https://test.uncefact.org/vocabulary/unit-of-measure/MTZ> a skos:Concept ;
    skos:definition "A unit of frequency equal to 0.001 cycle per second"@en ;
    skos:exactMatch <http://qudt.org/vocab/unit/MilliHZ> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "MTZ" ;
    skos:prefLabel "millihertz"@en ;
    unece:conversionMultiplier 0.001 ;
    unece:dimensionVector "T-1" ;
    unece:rec20Quantity "frequency"@en ;
    unece:rec20Sector "Periodic and related phenomena"@en ;
    unece:unitSymbol "mHz" .

<https://test.uncefact.org/vocabulary/unit-of-measure/OPM> a skos:Concept ;
    skos:definition "The number of oscillation per minute"@en ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "OPM" ;
    skos:prefLabel "oscillations per minute"@en ;
    unece:rec20Quantity "frequency"@en ;
    unece:rec20Sector "Periodic and related phenomena"@en ;
    unece:unitSymbol "o/min" .

<https://test.uncefact.org/vocabulary/unit-of-measure/RPM> a skos:Concept ;
    skos:definition "Refer ISO/TC12 SI Guide"@en ;
    skos:exactMatch <http://qudt.org/vocab/unit/REV-PER-MIN> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "RPM" ;
    skos:prefLabel "revolutions per minute"@en ;
    unece:conversionMultiplier 0.10471975516666666 ;
    unece:dimensionVector "T-1" ;
    unece:rec20Quantity "rotational frequency"@en ;
    unece:rec20Sector "Periodic and related phenomena"@en ;
    unece:ucumCode "{#}.min-1" ;
    unece:unitSymbol "r/min" .

<https://test.uncefact.org/vocabulary/unit-of-measure/RPS> a skos:Concept ;
    skos:definition "Refer ISO/TC12 SI Guide"@en ;
    skos:exactMatch <http://qudt.org/vocab/unit/REV-PER-SEC> ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "RPS" ;
    skos:prefLabel "revolutions per second"@en ;
    unece:conversionMultiplier 6.28318531 ;
    unece:dimensionVector "T-1" ;
    unece:rec20Quantity "rotational frequency"@en ;
    unece:rec20Sector "Periodic and related phenomena"@en ;
    unece:unitSymbol "r/s" .