Skip to main content
. Author manuscript; available in PMC: 2007 Sep 28.
Published in final edited form as: Prog Biophys Mol Biol. 2006 Aug 8;93(1-3):212–255. doi: 10.1016/j.pbiomolbio.2006.07.010

Table 4.

List of first-order and second-order quantities used in ultrasound

First-order quantities Second-order quantities
Current Energy
Particle acceleration Energy density
Particle displacement Intensity
Particle velocity Power
Ultrasonic pressure
Voltage