特例：n=0p=C1 等压 n=oo V=C2 等容 n=1 pV=C3 等温 n=y pvr=c4 绝热 D n-xCn=Cm n=O.C=Com C -C m p,m n= n=1,Cmn>oo C m Cy.m Cn <0 n=XCn=0 0 V1 = pn = c 0 4 = = c γ γ pVn 绝热 2 c 等压 = ∞ Vn = 等容 3 = pVn = c 1 等温 特例： p O V 0 Cm < m,m , →∞ =CCn V ,m m ,0= =CCn p = Cn m ∞→ ,1 0, =γ Cn m = ⎟⎟⎠⎞ ⎜⎜⎝⎛ = m,m m,m Vp -CC -CC n