本文着重讨论了卤代硅烷醇解反应的机理 、 条件与应用.In this paper the mechanism, conditions and alcoholysis reaction about halogenatedsilane were emphatically discusser.讨论了利用硫代二丙腈直接醇解合成抗氧剂DLTP的方法,筛选出了最佳反应条件.The method of preparing antioxidant DL...
在很多情况下,这种 ” 阴性 ” 词是利用加词尾-ess而构成的.In many cases this " feminine " word is made by adding - ess.英语大多数动词过去式词尾均变化为 -ed 的形式.Most English verbs are inflected with ` - ed'in the past tense.拉丁语比英语词尾变化多.Latin is a more infle...
Is the recycling process in itself damaging to the environment?这一回收利用过程本身对环境有害吗？Here is a summer soup that is almost a meal in itself.接下来是一道几乎可以抵作一餐的夏季汤品。Getting his book into print has been an Olympian task in itself.将他...
His breathing was torturous…他的呼吸充满痛苦。torturous suffering.痛苦的考验His breathing was torturous.他的呼吸充满痛苦。After 3 years of torturous imprisonment, he was finally set free.经过了三年痛苦的坐牢, 他终于被放出来了.This is a torturous, agonizing way ...