alkenes is alkene's Plural Form

alkene

US ['ælkənz]
UK ['ælkənz]
  • n.【化】链烯
  • Web烯烃；烯类；烯烃类
Plural Form：alkenes  

E-C

E-E

Web Definition

n.
1.
【化】链烯,烯烃

Sample Sentence

Definition:
AllAll,链烯链烯,烯烃烯烃,烯类烯类,烯烃类烯烃类
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
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。
zōng shù le zài yǒu jī hé chéng lǐng yù zhōng , tōng guò quē tīng lì tǐ xuǎn zé xìng huán yuán zhì bèi Z- huò E- xī tīng de jìn qī fāng fǎ 。
dictsearch.appspot.com
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。
lǔ dài huà hé wù de guāng mǐn huà tuō lǔ jí yǔ xī tīng huò fāng tīng de ǒu lián fǎn yìng shì gòu jiàn C-C jiàn de zhòng yào shǒu duàn 。
www.13191.com
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。
jiào dī de kōng sù yǒu lì yú shí èr wán de zhuǎn huà , dàn jìn yí bù jiǎn xiǎo kōng sù jiāng zào chéng shí èr xī de xuǎn zé xìng míng xiǎn jiàng dī 。
dictsearch.appspot.com
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.。
zhǔ yào chéng fèn : lú huì , jiāo yuán dàn bái , guī wán chún , wéi shēng sù děng . 。
blog.sina.com.cn
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.
bèi rèn wéi shì zhǔ yào tā gǎn wù zhì de tiē xī lèi wù zhì yǒu shí èr zhǒng , zhàn huī fā yóu zǒng liàng de sì shí wǔ .
www.ceps.com.tw
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。
tā hái chū shì le néng gòu zhèng míng ā ěr zī hǎi mò huàn zhě nǎo zhōng hán yǒu dà liàng èr xíng xī tīng de yán jiū zuò wéi zhèng jù 。
article.yeeyan.org
7.
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。
dàn tā bù tóng yì huán jìng zhōng de èr xíng xī tīng huì dǎo zhì ā ěr zī hǎi mò zhèng 。
article.yeeyan.org
8.
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。
liàn xī yǒu yī gè huò duō gè gòng jià jiàn , jí tàn yuán zǐ fēn xiǎng liǎng duì diàn zǐ 。
dictsearch.appspot.com
9.
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。
kē xué jiā yǐ jīng jiāng ái zhèng 、 xīn zàng bìng jí qí tā jí bìng yǔ bào lù zài hán yǒu èr xíng xī tīng de huán jìng lǐ guān lián qǐ lái 。
article.yeeyan.org
10.
The 1, 3dipolar cycloaddition of pyridinium ylides with alkenes in the presence of TPCD, a mild bimetallic oxidant, was studied.
研究了吡啶钅翁盐生成的叶立德与烯烃在一种温和的双金属氧化剂TPCD存在下的1,3-偶极环加成反应。
yán jiū le bǐ dìng jīn wēng yán shēng chéng de yè lì dé yǔ xī tīng zài yī zhǒng wēn hé de shuāng jīn shǔ yǎng huà jì TPCD cún zài xià de yī , sān - ǒu jí huán jiā chéng fǎn yìng 。
dictsearch.appspot.com