Making various purification method of Ca-bentonite. Studying its synergistic retention effects on news print pulp of modified bentonite and CPAM.
对钙基膨润土进行多种方法改性、并研究了改性后的膨润土与阳离子聚丙烯酰胺对新闻纸浆的协同助留作用。
The study investigated the phosphorus retention effects of cascade reservoirs of Maotiao River in summer, which had been entirely exploited by 1960s.
调查了我国第一条全流域梯级水电开发的河流——猫跳河中梯级水库对磷的拦截效应。
This empirical study has investigated the effects of the incidental learning and intentional learning on vocabulary retention.
本次实证研究在于比较词汇伴随学习和有意学习对词汇记忆的影响。
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