This paper introduces nanofiltration for nickel plating rinse water treatment in small-scale test, industrial practice and preliminary purification of nickel sulfate, respectively.
本文主要介绍了用纳滤膜处理电镀镍漂洗水的小试研究、工业实践及硫酸镍初步纯化研究。
Conclusion: Preliminary results of this transoral endoscopic restrictive implant system for the treatment of obesity showed successful placement in 12 of 13 patients.
结论：经口内镜下置入系统用于治疗肥胖的初步结果表明，13例病人中，12例放置成功。
The paper deals with the preliminary study on the simple purification process of water quality in the estuarine area and gives a simple treatment of water for larval nursing of Penaeus sinensis.
本文就河口区的简易水质净化方法作了初步探讨，并提出了中国对虾育苗用水的简易处理方法。
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