时间: 2025-04-24 12:09:54
英: [ˈælkiːn]
美: [ˈælkiːn]
n. [有化] 烯烃;链烯烃
最后更新时间:2025-04-24 12:09:54
字面意思:Alkene(烯烃)是由碳和氢元素组成的有机化合物,特征是至少包含一个碳-碳双键。
定义:烯烃是一类不饱和烃,其通式通常为 CnH(2n),其中 n 是碳原子的数量。
词性:名词(noun)
词源分析:
历史背景:
课本:
正式与非正式语境:
特殊场合:
Alkenes can undergo addition reactions to form saturated compounds.
(烯烃可以发生加成反应,形成饱和化合物。)
The simplest alkene is ethene, which has two carbon atoms.
(最简单的烯烃是乙烯,含有两个碳原子。)
Many alkenes are used in the manufacturing of everyday products.
(许多烯烃被用于日常产品的制造。)
The double bond in alkenes makes them more reactive than alkanes.
(烯烃中的双键使其比烷烃更具反应性。)
Researchers are studying alkenes for their potential in renewable energy sources.
(研究人员正在研究烯烃在可再生能源中的潜力。)
同义词:
反义词:
[N] (as modifier) 烷烃的 (Also called olefine)
例:alkene series