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alkenes

美 ['?lk?nz]英 ['?lk?nz]

n.【化】链烯
网络烯烃；烯类；烯烃类

复数：alkenes

alkenes

英-汉英-英网络释义

alkenes

烯烃

港澳台联考考纲 - 豆丁网 ... 环烷烃( cycloalkanes) 烯烃( alkenes) 芳香烃( aromatic hydrocarbons) ...

烯类

...、酮类、酯类、醚类（但含二个芳香族烃基醚类除外）、烯类（alkenes）、炔类（alkynes）和多烃基（polyalkyl）苯类；

烯烃类

环戊烷类(Cyclopentanes) 烯烃类(Alkenes) 结晶(Crystal, Polymorphic) 乙二醇(Ethylene Glycol) 氢(Hydrogen) 分类号 R282.2 …

烯属烃

在线英语词典,英文翻译,科技词典,专业词典,在... ... 稀牛奶： watered milk 烯属烃： alkenes 烯烃长丝纱： olefin filament ...

链烯

科技英语单词_百度文库 ... double bond 双键 alkenes 链烯 ethylene 乙烯 ...

烯类化合物

带有双键之碳氢有机化合物，通称为烯类化合物（Alkenes），是属於未饱合有机化合物之一种。此类化合物因带有双链，所以 …

烯類

的NMHCs 包括烷類(alkanes)、烯類(alkenes)，以及芳香烃類(aromatics)有机化合物，其

例句：

This article reviews recent methods used in organic synthesis for the stereoselective reduction of alkynes to Z or E alkenes .

综述了在有机合成领域中，通过炔烃立体选择性还原制备 Z-或 E-烯烃的近期方法。

A lower LHSV benefited the conversion of the alkanes , but a further decrease of LHSV would reduce the selectivity of the alkenes .

较低的空速有利于十二烷的转化，但进一步减小空速将造成十二烯的选择性明显降低。

Main ingredients : aloe , collagen , vitamins silicon-alkenes-alcohol .

主要成分：芦荟，胶原蛋白，硅烷醇，维生素等 .。

There are 12 Terpenoids and alkenes compounds being main allelochemicals . It was 45. 04% of the total substances detected.

被认为是主要他感物质的萜烯类物质有 12 种，占挥发油总量的 45 .

As evidence, he points to studies showing that Alzheimer's patients have large amounts of type-2 alkenes in their brains .

他还出示了能够证明阿尔兹海默患者脑中含有大量 2 型烯烃的研究作为证据。

The synthesis and application of vinylic tellurides in stereoselective synthesis of alkenes were reviewed . 49 reference are quoted.

综述了近年来烯碲化合物的合成及其在立体选择合成中的应用。参考文献 49 篇。

But he disagreed with the argument that type-2 alkenes in the environment are part of the story.

但他不同意环境中的 2 型烯烃会导致阿尔兹海默症。

Alkenes have one or more double bonds between carbon atoms , where two pairs of electrons are shared .

链烯有一个或多个共价键，即碳原子分享两对电子。

Exposure to type-2 alkenes in the environment has already been linked with cancer, heart disease, and other problems.

科学家已经将癌症、心脏病及其他疾病与暴露在含有 2 型烯烃的环境里关联起来。

And cigarette smoking increases the risk of Alzheimer 's by more than 150 percent , possibly because of the type-2 alkenes in tobacco smoke.

二手烟将罹患阿尔兹海默症的风险提高 1.5 倍，很可能是因为烟草中含有 2 型烯烃。

Alkene Bromination Used for Detailed Hydrocarbon and Bulk Hydrocarbon Group-Type Analysis of Gasolines Containing Alkenes

溴加成脱烯反应用于含烯汽油单体烃及族组成的分析

Correlation between the Addition Reactivity and Alkyl Polarizability Effect for Alkenes

烯烃加成反应活性与烷基极化效应的关系

Molecular Topological Research into the Dissolving Solubility and Cofficiency of the Distribution of Alkenes

烯烃化合物的溶解度和分配系数的分子拓扑研究

Conjugated Polarizability Potential of Conjugated Alkenes

共轭烯烃的共轭极化势

Study on Production of Light Alkenes by Gas Phase Oxidative Cracking of Cyclohexane

环己烷气相氧化裂解制低碳烯烃

Progress in Investigation on the Asymmetric Hydrocyanation Reaction of Alkenes

烯烃不对称氢氰化的研究进展

Advances in Light Alkenes Production by Hydrocarbon Selective Oxidation

烃类选择氧化制低碳烯烃的研究进展

Research progress in alkylation reaction of benzene with long chain alkenes

苯与长链烯烃烷基化反应技术的研究进展

Conversion of light alkanes to alkenes under the action of non-equilibrium plasma

非平衡等离子体作用下低碳烷烃无氧烯烃化反应研究

Research on the Alkylation of Benzene with Long Chain Alkenes in Ultrasonic Field

超声场中苯与长链烯烃烷基化反应的初步研究

Atmospheric particle formation from the ozonolysis of alkenes in the presence of SO

存在时来自烯烃臭氧分解的大气微粒形成

Calculating the Refractive Index of Alkenes Using the Group Bond Contribution Method

应用基团键贡献法计算烯烃的拍光指数

Progress in direct amination of alkenes to aliphatic amines

由烯烃直接胺化合成脂肪胺的研究进展

The Correlation between a New Topological Index and the Properties of Alkenes

一种新的拓扑指数与烷烃物性关联

Study on correlativity between alkyl benzene thermody-namics properties and topological indices of alkenes

烷基苯的热力学性质与价键拓扑指数的相关性研究

alkenes

alkenes

烯烃

烯类

烯烃类

烯属烃

链烯

烯类化合物

烯類

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