本文通过试验，比较研究了直接投加碱化剂和钠型混床旁路处理的应用工艺条件和处理后的水质情况。
The applied technical condition and the water quality of the above two treatments were studied through tests in this paper.
本文研究了四种酸催化剂用于工业混醇与乙酸酯化合成混合酯的催化性能。
The application of four acids as catalyst in the synthesis of mixing ester from mixing alcohol was studied.
采用双螺旋和球磨两种混料方式，研究不同混料时间对（铝）热剂性能及颗粒微现形态的影响。
Properties and morphology of thermites mixed up by twin-screw and ball milling procedures are investigated with different mixing time.
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