Xi'an Universif 3,多组分多相系统的热力学公式 dU=Tdsa)-pd∑Va)+∑∑4，aha) =Tas-pdW+∑∑hsa)dina) dH=Td∑sa)+∑V(a)p+∑∑4a)dna) B =TdS+Vdp+∑∑4 @)dn:() BXi’an University of Science & Technology 3.多组分多相系统的热力学公式 ( ) ( ) ( ) ( )  () ()          B B B B B B TdS pdV dn U T p dn     = − + d = d S − d V + ( ) ( ) ( ) ( )  () ()          B B B B B B TdS Vdp dn H T dp dn     = + + d = d S + V +