In the epoxidation, chloroform and t butanol gave the best results.在环己烯环氧化反应中, 以氯仿和叔丁醇为溶剂时,环氧化反应的结果最好.The definilion of kauri - butanol value and its determination method is described.文章叙述了“溶剂汽油”一词的由来,K. B.值的定义及测定方法.The ...
Etherification of butanol with ethylene oxide by a new style solide acid catalyst is investigated.研究了丁醇和环氧乙烷在一种新型固体酸催化剂上的醚化反应.The purified rice amylose and amylopectins were obtained by n - butanol recrystallization meth...
I was confronted with an array of knobs, levers, and switches.我面对的是一大堆旋钮、控制杆和开关。As the deadline approached she experienced a bewildering array of emotions.随着最后期限的临近，她开始心绪纷乱，不知所措。A glance along his bookshelves reveals a b...
I didn't realize how heavy that shopping was going to be.我没想到买的东西会有多沉。The Emperor must realize that he has us at his mercy.皇帝必须意识到我们任由他处置。I realize there's no consensus on what are male or female values.我意识到人们对...