A new procedure is used in the phase and state analysis of cobalt and nickel in sulphate, carbonate, sulphide, easy dissoluble silicate, ferric oxide and hard dissoluble silicate phases.
研究了钴、镍在硫酸盐、碳酸盐、硫化物、易溶硅酸盐、铁氧化物及难溶硅酸盐相态分析的新流程。
The feasibility of modified polymerized ferric sulphate decoloring agent applying in practical printing and dyeing wastewater is also studied.
进行了改性聚合硫酸铁脱色剂对实际印染废水处理的可行性试验研究。
In this paper dibutyl phthalate was synthesized with ferric sulphate as catalyst.
以硫酸铁为催化剂，合成了邻苯二甲酸二正丁酯。
The results showed that: compared with that of aluminium sulphate, ferric chloride has priority over aluminium sulphate in controlling trihalomethane formation and organic matter removal efficiency.
结果表明，与硫酸铝相比，三氯化铁可以更好地控制三氯甲烷的生成量，对有机物的去除方面，也具有良好的效果。
The ferric sulphate solution was used for trickling the acid-cured uranium ore and the residual leaching reaction incomplete in TLL process can be improved in this process.
该法采用硫酸高铁溶液淋滤熟化矿石，完成了薄层浸出法所不能完成的残余浸出反应。
Production technics of producing manganese sulphate, aluminum sulphate, zinc sulphate and ferric oxide series paint using the waste vitriol and byproduct in titanium dioxide production are introduced.
介绍用硫酸法钛白废酸和副产硫酸亚铁分别生产应用广泛的硫酸锰、硫酸铝、硫酸锌及氧化铁系颜料的生产工艺。
Jar-tests were conducted to study the similarities and differences between aluminum sulphate and ferric chloride in their mechanism of removing bacteria in raw water from Huangpu river.
利用烧杯实验研究了硫酸铝和氯化铁对黄浦江原水中细菌的去除机理。
Copper and polymerized ferric sulphate were prepared by using scrap iron coils to react with acid wastewater containing copper ion.
利用废铁卷与含铜酸性废水作用制备金属铜和聚合硫酸铁，并用聚合硫酸铁作絮凝剂处理酯化废水。
The preparation of a modified polymerized ferric sulphate and the measurement of its flocculation properties are introduced.
本文介绍了一种改性聚合硫酸铁的制备方法，并测试了改性聚合硫酸铁的絮凝性能。
The rate constants of esterification of 2-chloroacetic acid with 6 species of the primary alcohols were determined in the presence of and in the absence of catalyst, the hydrate of ferric sulphate.
在有无硫酸铁水合物催化剂的情况下，分别测定了2-氯乙酸与六种伯醇的酯化反应速率常数；
Easily airslake in dry air, it is easy to oxidize to brown yellow alkalescence ferric sulphate .
在干燥空气中会风化，在潮湿空气中易氧化成棕黄色碱式硫酸铁。
Easily airslake in dry air, it is easy to oxidize to brown yellow alkalescence ferric sulphate .
在干燥空气中会风化，在潮湿空气中易氧化成棕黄色碱式硫酸铁。
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