查询词典 alkene

This catalytic oxidation of alicyclic alkene used H2O2 (30 %) as "green" and "friendly" oxidant. This work had four aspects as follows

本文采用环境友好的、绿色的过氧化氢（H2O2 30 %）为氧化剂，做催化氧化脂环烃的研究，主要开展了如下四个方面的工作

It can turn the alkane into the alcohol and the alkene into the derivative of ethylene oxide in air at room temperature by its catalysis.

该项研究不仅有助于人们了解细胞色素P-450的催化机理，而且在有机合成和医学上将具有广泛的应用前景。

Deeply study of the applications of this type of activated alkene in the synthitic organic chemistry is very important.

因此，进一步研究α-氰基二硫缩烯酮在合成中的应用尤为重要。

The alkene was identified by GC comparison with an authentic sample prepared by this same process.

被确定的烯烃的气相色谱比较一个真实的样本编制的同一过程。

Selective adsorption is mainly used in desulfurization and separation of alkene.

在注重生态发展的今天，这一技术倍受关注。

The new catalyst for preparing base oil of lubricant by polymerization of α-alkene was studied.

对α-烯烃聚合制备润滑油基础油的新型催化剂进行了研究。

A flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals.

一种无色易燃的气态烯烃，从石油和天然气中提取，用于制造其他许多化学品。

The alkene chain and H2Se were detected respectively by a series of experiments to support the new mechanism.

通过一系列实验，我们分别检测了烯烃和硒化氢气体，证实了我们所提出的生成机理。

The vast majority of these polymers after combustion split into fluorinated alkene, while the fluorinated alkene is that it may cause cancer substances.

指出，这些聚合物燃烧后绝大部份分裂为氟化烯，while的含氟烯烃认为它可能是导致癌症的物质。

The speed of electrophilic addition reaction of Alkene is inferenced greatly by the electron-withdrawing group or electron-releasing group on C=C of Alkene And the main addition product is decided by stability of carbonium ion.

烯烃C=C上连有供电子基和吸电子基时，对于烯烃亲电加成反应速度的影响是很大的。加成产物是由碳正离子中间体的稳定性来决定。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新