金属钠
It goes in for manufacturing lighting and electric appliance, high-voltage sodium lamp, mercury lamp, deuterium lamp, metallic halide lamp and measuring instrument.
专业从事光电器件、高压钠灯、汞灯、氘灯、金属卤化物灯及仪器仪表制造。
The effect is easily demonstrated using wood's technique which incorporates an evacuated glass bulb containing a bit of pure metallic sodium.
应用伍德的方法用一个抽空的盛着一点纯金属钠的玻璃泡,很容易演示这个效应。
The metallic sodium use is widespread, the commercial value is big.
金属钠用途非常广泛, 工业价值非常大.
The main intermediate, 9-hydroxy-thioxanthene-9-carboxylic acid, was designed and synthesized by treating the thioxanthone with metallic sodium and CO_2 in THF. New method is better and simpler than the referential one.
主要中间体9-羟基-噻吨-9-羧酸系分别采用文献方法合成,还设计由噻吨酮与金属钠和CO2一步反应而得。
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