alkenes是alkene的复数

alkene

n.【化】链烯

网络释义：烯烃；烯类；烯烃类

网络释义

n.1.【化】链烯,烯烃

n.1.an open-chain hydrocarbon containing one carbon-to-carbon double bond and belonging to a series whose members all have the same general chemical formula.

1.烯烃 环烷烃( cycloalkanes) 烯烃( alkenes) 芳香烃( aromatic hydrocarbons) ...

2.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；

3.烯烃类 ... 稀牛奶： watered milk 烯属烃： alkenes 烯烃长丝纱： olefin filament ...

5.链烯 double bond 双键 alkenes 链烯 ethylene 乙烯 ...

6.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 …

7.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

1.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。

2.The photosensitized coupling reaction of halogenated aromatic compounds with arenes and alkenes is a key reaction in constructing C-C bonds.卤代化合物的光敏化脱卤及与烯烃或芳烃的偶联反应是构建C-C键的重要手段。

3.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。

4.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.。

5.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.

6.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。

7.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。

8.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。

9.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。

10.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。