不饱和烃，是含有双键或三键的烃。不饱和烃中有双键的叫“烯”，是氢原子“稀”少的意思；有三键的为“炔”，是氢原子“缺”乏的意思。除此之外还有芳香烃，例如“苯”。不饱和烃的双键和三键不太牢固，比较容易断裂，易发生亲电取代反应和亲电加成反应。
... 胡颓子科 oleaster family; Elaeagnaceae 不饱和烃 olefinic hydrocarbons 油酸；十八烯-〔9〕-酸；液脂酸 oleic acid ...
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... unsaturated E compound 不饱和化合物 unsaturated E hydrocarbon 不饱和烃 unslaked d lime 生石灰 ...
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焦油中不饱和烃 naftolens
脂环族不饱和烃 [有化] alicyclic unsaturated hydrocarbon
卤代不饱和烃类 Halogenated unsaturated hydrocarbons
不饱和脂族烃 aliphatic unsaturated hydrocarbon
不饱和苯烃 unsaturated benzene hydrocarbon
不饱和无环烃 unsaturated acyclic hydrocarbon ; UAH
不饱和链烃 Unsaturated Acyclic Hydrocarbon ; aliphatic unsaturated hydrocarbon
不饱和脂肪烃 unsaturated aliphatic hydrocarbon
不饱和烯烃 unsaturated olefin
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本发明公开了一种不饱和烃选择性加氢催化剂的制备方法。
The invention disclosed the preparing method of selective hydrogenating catalyst of unsaturated hydrocarbon.
烯烃：含有一对或多对由双键连接的碳原子的一类不饱和烃。
Olefin (or alkene) Any unsaturated hydrocarbon containing one or more pairs of carbon atoms linked by a double Bond (see covalent Bond, saturation).
臭氧能与不饱和烃及氮氧化物反应，并产生大量自由基和官能团。
Ozone can reacts with unsaturated hydrocarbons or nitrogen oxides, and generates numerous free radicals.
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