Description: ten times the logarithm to the base 10 of the ratio of the sound power radiated by a sound source to the reference sound power (P0 = 10?12 W); Name: acoustic power level
Description: ten times the logarithm to the base 10 of the ratio of the sound power of a source, p, to a reference value, p0, expressed in decibels; Name: sound output level
Description: Nomenclature of goods according to the current regulation including the tariff and statistical nomenclature and the common Customs Tariff in the European Community. The structure of the number defines in the 1.-6. place the HS code of the WCO, in the 7.-8. the combined nomenclature of the European Community, in the 9.-10. the TARIC Code (Integrated Tariff of the European Communities) and in the 11th place a code for national purposes; Name: customs tariff number (TARIC)