它是铝、硅和氟的化合物。
探讨了矿渣复合混凝剂的混凝机理及铁、铝、硅化合物对混凝作用产生的影响。
The mixed mechanism of the slag complex coagulants and the effect of Fe, Al, Si compounds on mixed action were synthetically analyzed.
本研究采用常压化学气相沉积（CVD）的方法在金属铝基底上制备出硅氧化合物陶瓷膜层。
A new kind of silicon oxidic film on aluminum was prepared by chemical vapor deposition (CVD) in ambient pressure.
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