Description: determined through a surface, product of the sound pressure, p, and the component of the particle velocity, un, at a point on the surface in the direction normal to the surface, integrated over that surface; Name: sound pow
Description: through a surface, product of the sound pressure, p, and the component of the particle velocity, un, at a point on the surface in the direction normal to the surface, integrated over that surface; Name: sound power
Description: Nomenclature of goods in accordance with a regulation relating to customs tariff and statistical purposes for application to a specific country and / or region. The structure of the customs tariff number is defined by the type otherwise indicated; Name: Customs tariff number