If they've got a double bond, we call them alkenes, and those with triple bonds are alkynes.
如果它们有双键，我们称它们为烯烃，而那些有三键的是炔烃。
alkynes
/'ælkain/
英汉-汉英词典
n. 炔烃
词组 | 习惯用语
您要查找的是不是：
- allegiance n. 忠诚；效忠
- elegance n. 典雅；高雅
- alkyne n. [化]炔属烃
- alkalies n. 碱金属，碱性液（alkali的复数，等于alkalis）
alkynes n. [有化] 炔烃
terminal alkyne 末端炔烃
terminal alkynes 末端炔
high carbon alkyne 高碳炔
网络短语:
Alkynes 炔烃; 炔类; 化合物;
normal alkynes 正炔烃
higher alkyne 高级炔烃
alkyne sulfone 炔砜
fluoroalkyl alkynes 氟烷基炔烃
dye alkynes 炔烃
alkyne series 炔系；炔属烃
alkyne and diene 炔烃和二烯烃；章
英语例句库
- Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.
KL升华剂80%，右旋炔戊菊酯2-3%，功能剂1- 3%。 - The synthsis methods of N-sulfuryl substitude hetercycles by the reaction of alkyne with sulfamide catalyzed by diverse transition mentals were reviewed in this paper.
概述了不同过渡金属催化下通过炔基和磺酰胺基反应,形成N-磺酰基取代的杂环化合物。
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原声例句
化学 Crash Course
经济学人 Science and technology
In essence, the azide and the alkyne are like the two halves of a snap-together buckle.
从本质上讲，叠氮化物和炔烃就像一个扣在一起的两半。
化学 Crash Course
Thus, no isomers with alkynes. Phew. OK I'm done describing for the moment.
因此，与炔烃没有异构体。呸。好的，我暂时完成描述。
化学 Crash Course
They can be alkanes or alkenes, sometimes, even rarely, alkynes.
它们可以是烷烃或烯烃，有时甚至很少是炔烃。
化学 Crash Course
All the other naming rules apply to alkenes and alkynes too.
所有其他命名规则也适用于烯烃和炔烃。
化学 Crash Course
There's only one letter changing here: A in alkanes changes to E for alkenes and then to Y for alkynes.
这里只有一个字母发生变化：烷烃中的 A 变为烯烃中的 E，然后变为炔烃中的 Y。
化学 Crash Course
Alkenes can be made into alkanes and alkynes can become either alkenes or alkanes depending on how many atoms are added.
烯烃可以变成烷烃，炔烃可以变成烯烃或烷烃，具体取决于添加的原子数。
化学 Crash Course
The triple bonds in alkynes, meanwhile, are composed of 1 sigma bond and 2 pi bonds for a total of 3 bonds.
同时，炔烃中的三键由 1 个 sigma 键和 2 个 pi 键组成，总共 3 个键。
经济学人 Science and technology
Copper ions are frequently poisonous to biological systems.So Dr Bertozzi decided to work on a way to make azides and alkynes react without their involvement.
铜离子通常对生物系统有毒。因此，Bertozzi 博士决定研究一种方法，使叠氮化物和炔烃在没有它们参与的情况下发生反应。
化学 Crash Course
You also learned a little bit about cis-trans isomerism and learned a few important reactions of alkenes and alkynes such as hydrogenation, halogenation, and polymerization.
您还了解了一些顺反异构现象，并了解了烯烃和炔烃的一些重要反应，例如氢化、卤化和聚合。
中文百科
炔烃 Alkyne
（重定向自Alkynes）
炔烃（英语：alkyne）是一类有机化合物，属于不饱和烃。其官能团为碳-碳三键（－C≡C－）。通式CnH2n-2，其中n为非1正整数。简单的炔烃化合物有乙炔(C2H2)，丙炔(C3H4)等。炔烃原来也被叫做电石气，电石气通常也被用来特指炔烃中最简单的乙炔。
炔字是新造字，，左边的火取自“碳”字，表示可以燃烧；右边的夬取自“缺”字，表示氢原子数和化合价比烯烃更加缺少，意味着炔是烷（完整）和烯（稀少）的不饱和衍生物。「炔」的读音同「缺」。
英语百科
Alkyne 炔烃
（重定向自Alkynes）
In organic chemistry, an alkyne is an unsaturated hydrocarbon containing at least one carbon—carbon triple bond. The simplest acyclic alkynes with only one triple bond and no other functional groups form a homologous series with the general chemical formula CnH2n−2. Alkynes are traditionally known as acetylenes, although the name acetylene also refers specifically to C2H2, known formally as ethyne using IUPAC nomenclature. Like other hydrocarbons, alkynes are generally hydrophobic but tend to be more reactive.
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