Description: 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: energy level of sound
Description: 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: pump H(Q) curve where the maximum head and shut-off head are coincidental, and the total head declines continuously as the rate of flow increases; Name: Pump H(Q) curve