A lab-scale chemical neutralizing-coagulative precipitation process was carried out to treat fluoride-rich acid wastewater in a rare earth wet refining factory.
采用实验室规模的化学混凝沉淀法处理某稀土湿法冶炼厂酸性含氟废水。
Synopsis: Some problems on zone refining of silicon without crucible by wet hydrogen treatment are discussed.
本文讨论了在湿氢条件下，进行硅的无坩埚区域提纯时，所遇到的几个问题。
The results showed refining has no effect on shear bond strength and wet pressing can improve shear bond strength slightly, the increase oft…
提高打浆度和增大湿压对纸页抗张强度的提高主要是纤维相对结合面积增大的结果。
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