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olefin 音标拼音: ['oləfɪn]

XDict

n. 石蜡

PyDict

石蜡

WordNet (r) 3.0 (2006) (WordNet)

olefin
n 1: any unsaturated aliphatic hydrocarbon [synonym: {alkene},
{olefine}, {olefin}]

The Collaborative International Dictionary of English v.0.48 (gcide)

olefin \o"le*fin\, olefine \o"le*fine\([=o]"l[-e]*f[i^]n or
[=o]"l[-e]*f[=e]n), n. [From {Olefiant}.]
1. (Chem.) Olefiant gas, or ethylene. See {Ethylene}.
[archaic]
[1913 Webster]

2. Hence: (Chem.) Any one of the series of unsaturated
hydrocarbons of which ethylene is the type; a member of
the alkene series of hydrocarbons; an alkene.
[1913 Webster PJC]

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英文字典中文字典相关资料:

Olefin | Description, Characteristics, Types | Britannica
Olefin, compound made up of hydrogen and carbon that contains one or more pairs of carbon atoms linked by a double bond Olefins are important commercial petrochemicals and are produced through various methods, including fluid catalytic cracking
Olefin fiber - Wikipedia
Olefin can be used by itself or in blends for indoor and outdoor carpets, carpet tiles, and carpet backing The fiber can also be used in indoor upholstery, draperies, wall coverings, slipcovers, and floor coverings
olefin_百度百科
Olefin是化学领域的英文术语，通常译为烯烃，指一类不饱和脂肪烃化合物。其同义词为alkene。涵盖结构如乙烯和丙烯，涉及专业术语包括脂肪族烯烃、烯烃树脂及α-烯烃。在化工应用中包括烯烃歧化作用和共聚物合成。
olefin和alkene的释义都为烯烃，那么它们有什么区别呢？ - 知乎
olefin和alkene的释义都为烯烃，那么它们有什么区别呢？比如这篇文献摘要中的划线句中同时出现了olefin和alkene，那么它们有什么不同呢？为什么分别要用两个单词表示呢？ [图片] 显示全部关注者 8
olefin - 搜索词典
10 The invention relates to a fluidized bed reactor for preparing olefin and aromatic hydrocarbon through catalytic reaction of residual oil
Olefin - an overview | ScienceDirect Topics
Olefin hydrocarbons (olefins, also called alkenes; general formula: Cn H 2n) are unsaturated hydrocarbon compounds which contain at least one carbon-to-carbon double bond (>C C<)
Olefins - Global Energy Monitor
Olefin species are not commonly present in crude oil in large amounts, so they are primarily produced industrially through processes such as steam cracking of hydrocarbons, fluid catalytic cracking, or the conversion of syngas
1. 3: Olefins - Chemistry LibreTexts
Olefin is an older term for an alkene that is still commonly used in the industry These compounds make up a significant fraction of commercially-used polymers today
Olefin: Definition, Types, Properties Examples Explained
The defining characteristic of an olefin (alkene) is the presence of a carbon-carbon double bond To form such a bond, a minimum of two carbon atoms are required to link together
What Is Olefin Made Of and How Is It Manufactured?
The defining characteristic of an olefin, also known as an alkene, is the presence of at least one carbon-carbon double bond within its molecular structure This double bond makes the molecule “unsaturated,” distinguishing it from saturated hydrocarbons like alkanes, which only contain single bonds

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