Stability of bubbles 2S 。Case Il: mGTBRG PGe= 专πR路 7 3kRe -Therefore 3 critical rodiuc. 1.0 UNSTABLE EQUILIBRIUM -Whic STABLE EQUILIBRIUM mG1g见G"0 pressure Re<Rc 0.5 0 INCREASING ma me Ta。5X1010 mGTa元g20x1010 -0.51 103 104 103 BUBBLE RADIUS,Re (m)Stability of bubbles • Case II: – Therefore a critical radius: – Which can reach by decreasing ambient pressure