CC10C1(C12C13 C1 CuCu2CI3C1 C 14 sC 15 Cg 18C 19 C7 3120230453”90948立1242 t/min t/min (a) 图1915正构烷烃恒温和程序升温色谱图比较 (a)恒温150℃ (b)程序升温50~250℃,8℃min