This article introduced a method for preparing α - chloro - isobutylaldehyde , in order to explore a practical chloration of oxo - compound. 本文介绍了制备氯代异丁醛的方法, 其目的在于探索羰基化合物的一种实用的氯代方法.
Red - crowned Crane S between 200 yuan, which were later discounted.丹顶鹤标间在200元左右, 这都是打折以后的.Qiqihar is home to the red - crowned crane .齐齐哈尔是 丹顶鹤 的故乡.Shoes of Red - crowned Crane Brand help you walk in a natural and unres...
目的: 观察 板蓝根 含片的解热镇痛及 抗炎 作用.Objective : To observe antipyretic - analgesic and anti - inflammatory effects of Banlangen Buccal Tablets ( BBTs ).目的: 制定喉咽清 含片 的质量标准.Objective : To establish the quality standard for Houyanqin...
当他试图骑上这匹马时, 它突然狂暴地跃了起来.When he tried to ride the horse, it bucked wildly.那些大象狂暴地冲过森林.The elephants rampaged through the forest.雨狠狠地抽打着窗玻璃, 风狂暴地刮着.The rain beat strongly against the panes, the wind blew tempestuously....