本文报道用沉淀浮选法提取稀土元素。
Reported here is the precipitate flotation of rare earth elements.
这对沉淀浮选法在废水处理中的应用具有重大实际意义。
These are of great practical significance because they are beneficial to precipitation flotation for treating waste water.
本文对镍离子和铜离子的单一离子沉淀浮选、混合离子沉淀浮选进行了试验研究。
An experimental study was completed on single metal ions precipitation flotation and multi metal ions coprecipitation flotation of Ni 2 + and Cu 2 +.
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