Ethyl acetate ( 71 . 41 b ) was added to the slurry in the vessel.把醋酸乙酯 71.4 磅加到容器中的浆液内.The reverse of Reaction 11 for acetate may be combined with the electron acceptor reactions.对于醋酸盐、反应11的逆反应可以与电子接受体反应组合在一起.In benzene...
Nefedipine was synthesized with m - Nitrobenzaldehyde, ethyl acetoacetate ammonium acetate.以间硝基苯甲醛, 乙酰乙酸乙酯,氨化试剂为原料.The cross - linking reaction between dialdehyde compound and cellulose acetate raises the chemical stabil...
He pushed everyone full speed ahead until production hit a bottleneck.他催促所有人拼命干活,直到生产遭遇瓶颈。I pushed the problem aside; at present it was insoluble.我把问题抛在一边,目前它还无法解决。I pushed through the crowds and on to the escalator.我挤出人...