油藏物理学一油气系统的磙解与分离 Phase state equation for i component ni n Ni+K:Ng K;-(K,-I)N or Kin; Kini N1+K Ng 1+(K;-1)NgPhase state equation for i component 油藏物理学——油气系统的溶解与分离 L i g i i i L i g i i N K N K n y N K N n x     i g i i i i i L i i K N K n y K K N n x 1 ( 1) ( 1)       or