绝热过程:p1的V ^γ= p2的(V / 2)^γ, P1 V = NRT1,P2 V / 2 = NRT2 T2:T1 = p2的:2P1 = 2 ^(γ-1) 单原子γ= CP / CV = 5/3 因此,T2:T1 = 2 ^(2/3) Tαv^ 2 v2的:第一版= 2 ^(1/3)