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Authors
邱晓辉
Publication date
19 July 1988
Publisher
Abstract
本文研究了XP合成纤维制备Mn一纤维的条件。XP纤维与KMnO4在酸性条件下作用制得的Mn一纤维MnO2附着量高达30一38克/100克纤维而且附粉牢周不易脱落。在动态条件下研究了海水样品的流速、PH、温度、Mn一纤维用量对Mn一纤维吸附Ra的影响。结果表明,Mn一纤维对Ra有很高的富集系数和动态容量,当Mn一纤维用量为7.5克,水样体积不超过40升,水温低于500C,PH大于3,流速为300—500ml/min时,Ra的回收率大于95%。比较了Mn一纤维直接封闭射气法与酸沥取封闭射气法的测量结果,可认为在实验误差的范围内两种测量方法结果是一致的,所设计的Mn一纤维直接封闭射气法洲it较里的精...NO学位:工学硕士院系专业:海洋与环境学院海洋学系_海洋化学学号:LIM20070
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Last time updated on 16/06/2016