The removal effect of ammonia nitrogen and organic material with composite attapulgite filter by static adsorption experiment and dynamic filtration experiment was studied.
通过静态吸附实验和动态过滤实验研究复合凹凸棒滤料对氨氮和有机物的去除效果。
The material general removal rate and the dynamic mechanism of tooth surfaces modified and corrected mutually during lapping process of hypoid gears were firstly investigated.
研究了螺旋锥齿轮齿面综合研磨率、动态互研与研齿修形机理。
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