释义 |
sodium sulphite短语¹⁴⁴⁹⁷²⁺² 基本例句 亚硫酸钠 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。 cnki Quaternary ammonium salt cationic polymer have been synthesized acting as reacting material and initiator with epichlorohydrin, dimethylamine and potassium persulfate, sodium sulphite. 以过硫酸钾、亚硫酸钠为引发剂,二甲胺、环氧氯丙烷为原料合成了季胺盐型阳离子聚合物。 cnki |