美国每年生产的乙炔的大约80%用于化学合成。
Approximately 80% of the annual acetylene production of the United States is used for chemical syntheses.
报道了溶剂对钯催化的叔丁基乙炔低聚反应化学选择性的调控作用。
A novel solvent-controlled chemoselective palladium-catalyzed oligomerization of tert-butyl acetylene was reported in this paper.
提出用空气乙炔原子吸收光谱法进行电化学浸渍液乙醇溶液中镍含量的测定。
The air acetylene atomic absorption spectrometry is used for measuring the nickel content in hydrogen battery electrochemistry impregnate ethanol solution.
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