This article deals with productive technology oi potassium humate with decomposed coal.
本文研究由风化煤制取腐植酸钾的生产工艺。
The experiments have shown that the technology of oxidation degradation with nitric acid and sulfoxidation with sodium sulphite to produce water-reducer of cement with decomposed coal is available.
大量实验证明以风化煤为原料采用硝酸氧化降解后再磺化的方法生产混凝土减水剂的工艺是合理的。
The experiments have shown that the technology of oxidation degradation with nitric acid and sulfoxidation with sodium sulphite to produce water-reducer of cement with decomposed coal is available.
大量实验证明以风化煤为原料采用硝酸氧化降解后再磺化的方法生产混凝土减水剂的工艺是合理的。
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