K=x Y(3X+Y) (X-Y)5-X-Y) (X-Y)(3X+Y)3 K=Kx1-X)(5-X-Y)6+2X) △，G873k1=-RTLnK9 △/G→△，G%(298K)→△，G品(873K)→ Kx=0.54,Kx,=2.49 X=0.911,Y=0.653 2929 ( )(5 ) (3 ) 2 2 X Y X Y Y X Y KP KX − − − + = =  2 3 (1 )(5 )(6 2 ) ( )(3 ) 1 1 X X Y X X Y X Y KP KX − − − + − + = =    r Gm(873K) = −RTLnKP  f Gm   r Gm  (298K)  r Gm  (873K)  0.54, 2.49 1 2 KX = KX = X=0.911，Y=0.653