Both the free hydroxyl groups readily undergo esterification.两个自由羟基,都容易酯化.The chemical method include treating with sulfuric acid, saponification, acylation, esterification, etc.化学方法包括酸洗法 、 皂化法 、 酰化法和酯化法等.Iso - army gall...
Both the free hydroxyl groups readily undergo esterification.两个自由羟基,都容易酯化.The rate of hydrolysis is for the most part significantly lower than the esterification rate.多数情况下水解速度较酯化速度低得多.The esterification of xylitol and o...
What fruit does the person appropriate of gastrorrhagia eat? Unfavorable what fruit to eat?胃出血的人宜吃什么水果? 不宜吃什么水果?Pertinent information will be forwarded to the appropriate party.有关信息将会转发给相关方。She relinquishes him to a part...
...an overland journey through Iraq, Turkey, Iran and Pakistan...途径伊拉克、土耳其、伊朗和巴基斯坦的陆路旅程They're travelling to Baghdad overland.他们正经由陆路去往巴格达。The overland route is across some really tough mountains...这条陆上路线要跨越一些非常险峻的大...
巨大的损耗无疑是战争的必然结果。Wastage was no doubt a necessary consequence of war.这是一项旨在使损耗减至最低的新生产技术。It was a new production technique aimed at minimizing wastage.考虑到损耗,买比所需更多一些的纸.Buy more paper than you need to allow for wastage....
The envelope contained a typed, unsigned letter demanding £75,000 in cash.信封里装着一封打印的、没签名的信，索要75,000英镑。You can be paid in cash weekly or by cheque monthly; those are the two alternatives.你的工资可以按周以现金支取，或按月以支票支取。二者可选其一。Give...
She had noted down the names and she told me the story simply and factually.她记下了那些名字，并且简单地给我讲了这件事的真实情况。I learned that a number of statements in my talk were factually wrong.我得知我谈话中的一些说法与事实有出入。a factually incorrect statem...