提出了一种干柱层析法 分离提纯 试剂对氨基偶氮苯的新方法.A new method for separating and purifying p - AAB ( p - aminoazobenzene ) by dry - column chromatography is developed.偶氮苯侧链液晶聚合物.Azobenzene side - chain liquid crystalline.必须通过偶氮,(苯)酚类,有机氯试剂,...
罪犯每人每天从食品中摄取的热量为2952千卡.The average daily dietary intake of calories is 2952 Kcal per person.工程问题则使用较大的单位即 千卡 表示.For engineering purposes, a larger unit called the kilo - calorie is adopted.我们最常用的热量单位是千卡.The unit of heat ...
Steve McClaren's side struggled in the first half against Andorra.麦克拉伦的队员们在对阵安道尔的上半场比赛中非常努力.England play minnows Andorra on Saturday and Macedonia on Wednesday 6 September.英格兰队将在本周六和下周三分别迎战安道尔和马其顿.Together, Andorra ...
His delivery was stilted and occasionally stumbling.他的发言很生硬,有时还打结巴。Nim's lips moved silently, stumbling over the ancient Aramaic words.尼姆的嘴唇无声地动着, 结结巴巴地背着古老的亚拉姆语的词句.His stumbling attempts at colloquial Russian amuse...