acetylenes

核心释义

Ethyne (HC≡CH); a colorless, extremely flammable gas used especially in welding and in organic synthesis.

1. 1.

   Any organic compound having one or more carbon–carbon triple bonds; an alkyne.

2. 2.

   一种无色易燃气体,主要用于焊接和有机合成

   a colorless flammable gas used chiefly in welding and in organic synthesis

3. 3.

   乙炔；最简单的炔烃,化学式HC≡CH的碳氢化合物。无色无味、极易燃易爆的气体,旧时用作照明气,现用于焊接和冶金。

   Ethyne; the simplest alkyne, a hydrocarbon of formula HC≡CH. It is a colourless, odourless, extremely flammable, explosive gas, formerly used as an illuminating gas, but now used in welding and metallurgy.

4. 4.

   以乙炔为燃料的灯,尤指机动车前灯。

   A lamp powered by acetylene, particularly a motor vehicle headlight.

炔烃；乙炔灯；一种无色易燃气体,主要用于焊接和有机合成；乙炔；最简单的炔烃,化学式HC≡CH的碳氢化合物。无色无味、极易燃易爆的气体,旧时用作照明气,现用于焊接和冶金。；以乙炔为燃料的灯,尤指机动车前灯。