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1·In the ethyne molecule, a double bond links together the two carbon atoms.

在乙烯分子中是由一个双键将两个碳原子连结在一起的。

2·In this article, the measurement method of hydrocarbon especial ethyne concentration in air separation by using the GM600FID gas chromatogram are introduced.

介绍用GM600型FID气相色谱仪检测空分装置中碳氢化合物，特别是乙炔含量的方法。

3·The application of nitrous oxide-ethyne flame ato mic absorbing spectral method to measure the content of silicon in Cd-Ni batteries impregnating solution is studied.

提出用一氧化二氮乙炔火焰原子吸收光谱法测定镉镍电池浸渍液中硅含量。

4·The application of nitrous oxide ethyne flame atomic absorbing spectral method to continuous measure the content of Nb and Mo in 7715D high temperature titanium alloy is studied.

研究与运用氧化亚氮-乙炔火焰原子吸收光谱法连续测定7715D高温钛合金中的铌钼含量。

5·The present experimental investigation attempts to understand the suppressing effect of metal mesh construction on deflagration waves of premixed ethyne air mixture in unconfined space.

实验旨在研究金属丝网结构对开敞空间预混乙炔-空气爆燃波的抑制效果。

6·Acetylene (ethyne) Simplest alkyne, C2H2. A colourless, flammable, explosive gas, it is used as a fuel in welding and cutting metals and as a raw material for many organic compounds and plastics.

乙炔：最简单的炔(C2H2)，无色可燃气体，广泛用作金属焰焊接和切割的燃料，也是合成许多有机化学品和塑料的原料。