Description: Sound pressure level is actually a ratio of the absolute Sound Pressure and a reference level (usually the Threshold of Hearing or the lowest intensity sound that can be heard by most people).; Name: acoustic pressure level
Description: Ten times the logarithm to the base 10 of the ratio of the square of the sound pressure, p, to the square of a reference value, p0, expressed in decibels; Name: Sound pressure 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)