偏摩尔量(partial molar quantit): def aZ onB )Tp.n(C.C+B) dz=(z/8n)p.ncdT+(oz/ap)1.n(cdp ZAdnA+ZednB十. =(oZ/aD).mcdT+(oZ/op).mcdp ∑BZpdnB偏摩尔量(partial molar quantity)： B , , ( ) C,C B B def ══ ≠ ⎟⎟⎠⎞ ⎜⎜⎝⎛ ∂∂ T p n nZ Z dZ＝(∂Z／∂T)p，n(C)dT＋(∂Z／∂p)T，n(C)dp＋ ZAdnA＋ZBdnB＋. ＝(∂Z／∂T)p，n(C)dT＋(∂Z／∂p)T，n(C)dp＋ ∑BZBdnB