V2EX alkane

Alkane

定义 Definition

烷烃:一类仅由碳(C)和氢(H)组成、且碳原子之间只含单键(饱和键)的烃类化合物。常见通式为 CH(开链烷烃)。此外在有机化学中还有其他相关类型(如环烷烃)但不属于开链通式。

发音 Pronunciation (IPA)

/l.ken/

例句 Examples

Alkanes are found in natural gas and crude oil.
烷烃存在于天然气和原油中。

Because alkanes are relatively unreactive, they are often used as fuels and solvents in industry.
由于烷烃相对不活泼,它们常被用作燃料和工业溶剂。

词源 Etymology

alkanealk-(与“醇/有机化学中的烷基”相关的构词成分,源头可追溯到 alcohol 等词的构词传统)加上化学命名后缀 -ane(表示饱和烃)组成。化学命名中,**-ane** 用来区分 -ene(烯烃,双键)与 -yne(炔烃,三键)。

相关词 Related Words

文学作品中的用例 Literary Works

  • Primo Levi, The Periodic Table(《元素周期表》)
  • Isaac Asimov, Asimov’s Guide to Science(《阿西莫夫科学指南》)
  • CRC Handbook of Chemistry and Physics(《CRC 化学与物理手册》)
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