Measuring Trace Ethyne in Lox by Gas Chromatography
气相色谱法测定液氧中微量乙炔
About the Electrophilic Addition Reaction of Ethene Ethyne
关于乙烯, 乙炔的亲电加成反应
Determination of Trace Ethyne in Liquid Oxygen or Liquid Air
液氧, 液空中微量乙炔的测定
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。
There is neither residue problem with ethyne in grain fumigated, nor effect on both quality of grain and germination capacity of seeds.
熏蒸后的粮食无残留，不影响粮食食用品质，对种籽粮无药害。
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