Expound magnesium metallurgy with ferrosilicon process and calcium metallurgy with aluminothermic process by contracting technological conditions.

通过工艺条件对比分析,阐明了硅热法炼镁与铝热法炼钙两者工艺过程、设备条件基本相同。

The technological condition of Potassium Sulfate production from impure glaserite and impure Potassium chloride, is discussed in the paper,It is proved by experiment.

文章介绍了利用电解质溶液理论计算不纯净钾芒硝与不纯净氯化钾转化制取硫酸钾的工艺条件，并通过试验加以验证。

The scale up test for the synthesis of melamine melocol resin was accomplished on the basis of the technological conditions adopted in the former pilot test.

以密胺-脲甲醛树脂合成的小试工艺条件为依据,完成了放大试验过程的工艺研究。

The article is about how to use phosgene and p-nitrophenylamine to react in acetic ether's liquefier to produce p-nitro-phenyl isocyanate, Its best technological condition have been discussed.

介绍用光气和对硝基苯胺在乙酸乙酯溶剂中反应来制备对硝基异氰酸苯酯的方法，并讨论了其最佳工艺条件。