T T 1(T+d7,P+p)=2( T+dT’,p+dp T+dT, p+dp 2 p d=-Sm,dT +Vmldp dT+y m dp T dT 相变潜热L=」dQn=~7Sm=7(Sm2-Sm) 克拉珀龙方程 dT T 12 决定平衡曲线斜率 Hn2-Hm1=(2+7Sn2)-(4+TSm1)=L dp△Hn dTT△• • p (T p, ) (T T p p + + d , d ) T 1 2 1 2 d d   =   1 2 (T p T p , , ) = ( )   1 2 (T T p p T T p p + + = + + d , d d , d ) ( ) 1 m1 m1 d d d  = − + S T V p 2 m2 m2 d d d  = − + S T V p m2 m1 m2 m1 d d p S S T V V − = − 相变潜热 ( ) m 2 m1 2 m m m2 m1 1 d d S S L Q T S T S S = = = −   ( m2 m1 ) d d p L T T V V = − 克拉珀龙方程 决定平衡曲线斜率 H H TS TS L m2 m1 2 m2 1 m1 − = + − + = (  ) ( ) m m d Δ d Δ p H T T V =