Description: determined integral of the sound power, p, over a stated time interval of duration t (starting at t1 and ending at t2); Name: energy of sound
Description: integral of the sound power, p, over a stated time interval of duration t (starting at t1 and ending at t2); Name: sound energy
Description: comprising a fluid together with substances in solid or gaseous states, whether due to deliberate addition or a change of state caused by a change in conditions; Name: multi-phase