用L - 苯丙氨酸,L - 缬氨酸,L - 亮氨酸制得相应的N- 羧酸内酸酐,并分别与二乙胺,叔丁胺, 异丙胺,正丁胺反应.L - Phenylalanine, L - valine and L - leucine were used to prepare the corresponding NCAs.目的观察双氯芬酸二乙胺盐凝胶经皮用药的安全性.Objective To observe the safety of diclofenac...
去年11月，军队被派往这些岛屿以恢复秩序。Troops were sent to the islands to restore order last November.他被派往厄立特里亚侦察敌军位置。He was sent to Eritrea to reconnoitre the enemy position.他已被老板派往罗马。He had been sent to Rome by his employer....
Abnormity bookbinding artifactitious, is subject to the effects of international powers.异形装订加工方法的出现, 也是受国际沓流的影响.Arrange the abnormity status while machine be shut down.异常停机情况的安排.Abnormity nut need three sets of mould tak...