aA+dD→ gG hH =0 na np nG nH t=t np ng nH 化学反应进度（飞） 专=ng-n8 d5= dnB VB VB dne vads d5(5→5+d5) cdnB(ng-→nB+dnB)11 aA + dD → gG + hH t=0  nA  nD  nG  nH t=t nA nD nG nH B nB nB    − = B dnB d   = dnB = B d d ( → + d ) ( ) dnB nB →nB + dnB 化学反应进度（）