@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix unece: <https://test.uncefact.org/vocabulary/> .

<https://test.uncefact.org/vocabulary/unit-of-measure/P41> a skos:Concept ;
    skos:definition "1 Dec := log2 10 ˜ 3,32 according to the logarithm for frequency range between f1 and f2, when f2/f1 = 10."@en ;
    skos:inScheme unece:unit-of-measure ;
    skos:notation "P41" ;
    skos:prefLabel "decade (logarithmic)"@en ;
    unece:rec20Quantity "logarithmic decrement"@en ;
    unece:rec20Sector "Acoustics"@en ;
    unece:unitSymbol "dec" .