In there compounds, the cyclopentadiene ring has only four hydrogens.在这些化合物里, 环戊二烯环只有4个氢.Those that are aligned perpendicular to the plane are called axial hydrogens.与平面垂直定向的氢叫做直立氢.A methane molecule is composed of one c...
Objective To determine total flavonoid content in Eugenia caryophyllata Thunb.目的研究可见光及紫外分光光度法测定丁香总黄酮含量的方法.Aim To determine the concentrations of eugenol in eugenia oil � � cyclodextrin.目的:测定丁香油β环糊精中丁香酚的含量.Objective : To ...
It would be disingenuous to claim that this is great art.称这是艺术瑰宝是言不由衷。It would be disingenuous of me to claim I had never seen it.要说我从未看到过，那就是言不由衷了。It is disingenuous of him to flatter me.他对我阿谀奉承,是居心叵测....
Results Results showed that methylmercury inhibited the neurite outgrowth and survival of PC 12 cells.结果氯化甲基汞能抑制PC12细胞突起生长,降低细胞活性.Her first book is an outgrowth of an art project she began in 1988.她的第一本书是一个她开始于1988年的艺术项目...
这装置已经被特殊地设计来点亮缓慢燃烧的火把.This device has been specially designed for lighting slow burning torches.船上所有的集装箱情况良好, 因为它们已经过特殊地捆扎.All the containers are in order board, because they had been specially lashed....