Bubble content Focusing on bubble size change,then R=Rt" R*and n are constants. 。Former equation T。-TBd=CovR--iCm) PLCPLD ca=n)产f Thermal term (Ta-T)t--(Ts )C(n) PLToo C2py ∑(T)= PiePLTooDEBubble content • Focusing on bubble size change, then • Former equation Thermal term