... hydrogen probe 氢探测器 hydrogen purification 氢提纯 hydrogen reduction reaction 氢还原反应 ...
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磷酸二氢钾、酸铵提纯，包装材料、工产品(含化学危险品)售。
Linsuanerqingjia, ammonium sulfate purification, packaging materials, chemical products (excluding hazardous chemicals) sales.
如果要从水或者天然气中获取纯氢，那么你就必须警醒能量消耗巨大的提纯。这种提纯过程所使用的能量则是来自于燃烧煤或者石油。
To get pure hydrogen from water or natural gas, you have to use a purification process that requires lots of energy that's obtained by burning coal or oil.
本文讨论了在湿氢条件下，进行硅的无坩埚区域提纯时，所遇到的几个问题。
Synopsis: Some problems on zone refining of silicon without crucible by wet hydrogen treatment are discussed.
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