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 held both sides of the parka hood closed against the snow.他捏紧皮外套上风帽的两边以挡住袭来的飞雪.Connie: Look at this catalog, John. The ski parka is on sale.考妮: 约翰,他望那个纲录. 涩雪威严衣反正在匆匆卖呢.Girls in this kind of parka are even more elegant...
Warnings went out to avoid microwaving plastic ware or putting it in the dishwasher.各种警告出台,要求人们回避微波塑料器具,不要把塑料制品放进洗碗机.We've all seen enough dummies catapulting through windscreens in TV warnings to know the dangers o...