查询词典 alkene

What is the first step in the reaction of E+ with PhH Compare it with the first step in the addition to an alkene.

答： E+与 PhH的第一步反应是什么试与烯的加成反应比较。

Cried out alkene Pakistani years : He was here to express our gratitude.

真的希望有个理解我人一直会支持我！

The speed of electrophilic addition reaction of Alkene is well-connected to the nature of substituting group on C=C.

对于烯烃的亲电加成反应速度，与C=C上直接连接的取代基的性质有关。

Long-chain alkene is adsorbed on the surface of catalysts much more strongly than benzene is adsorbed.

长链烯烃在催化剂上的吸附比苯要强得多。

Two alkene of man is the important monomers of synthetic rubber and synthetic resin.

丁二烯是合成橡胶和合成树脂的重要单体。

Before regeneration, 160 kg LAB product/kg catalyst can be obtained with over 98% of alkene conversion.

研究还表明，在Y型分子筛中引入Sr~(2+)后能增强分子筛对苯的吸附能力，在反应温度下使苯仍能维持活化吸附状态。

The analysis results showed that the rapid and accurate determination of alkene content in jet fuels can be achieved by using near infrared spectrum analysis.

分析结果表明，近红外光谱分析可实现对喷气燃料烯烃含量的快速准确测定。

In addition, preliminary results demonstrating that the halogenation of alkene and benzylic sp3 C-H bonds can also be achieved using this method.

此外，初步结果表明，苄卤化烯烃类sp3C-H键也可以用这种方法取得。

The protein content, flax acid content and twenty carbon alkene acid content are increased with the increase of density.

种植密度对鹰嘴豆维生素B1和油酸含量的影响不显著。

The preparation of potassium malonyloxyborohydride in situ and its seletive hydroborating alkene are described.

介绍了丙二酰氧基硼氢化钾的制备及其原位与烯烃的选择性硼氢化。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。