Description: Ten times the common logarithm of the ratio of sound energy to the reference sound energy of 1 pW·s expressed in decibels.; Name: acoustic energy level
Description: Determined ten times the logarithm to the base 10 of the ratio of the sound energy, j, to a reference value, j0, expressed in decibels; Name: Sound energy level
Description: group of construction elements with the same construction features and the same construction for the transportation of media which are combined due to similar production techniques for the construction admittance examination and quality conformity controls; Name: Construction type conveying element