油藏物理学一油气系统的溶解与分离 2 find Pp和Pd a,Pp: based on saturated vapour pressure curve,N-0, NL=1,X-ni 工工晨 nKi =∑K,n,=1 By trial method,we can choose ，T,aem→Ke→∑Kn ∑Kn,=1 Pb is true. ∑Kn,≠1 return2 find Pb和Pd 油藏物理学——油气系统的溶解与分离 a, Pb : based on saturated vapour pressure curve, Ng=0， NL=1，xi=ni 1 1 ( 1)        i i i g i i i K n K N n K y By trial method, we can choose     i i checkdiagram substitute Pb ,Tf Ki K n K 1 1 i     i i i n K n Pb is true. return