常見例句雙語例句The paper discusses the treatment of chromium wastewater by substitute of ferrous sulphide andcompares with the effects of ferrous sulphate and sodium sulphite.對鐵氧體法處理含鉻廢水工藝中的主要技術(shù)參數(shù)進行了探討,為選擇最佳工藝條件提供了依據(jù)。The experimental results show that ammonium persulfate-sodium hydrogen sulphite redox initiation system is the most appropriate for the preparation of DMC/AM/AA terpolymers.結(jié)果表明,過硫酸銨-亞硫酸氫鈉引發(fā)體系最適宜于DMC/AM/AA三元共聚物的制備。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.大量實驗證明以風(fēng)化煤為原料采用硝酸氧化降解后再磺化的方法生產(chǎn)混凝土減水劑的工藝是合理的。 返回 sodium sulphite