1. As for mica type cyanite,using single flotation process including one roughing and three cleanings,good beneficiation indexes were obtained.
   河南隐山蓝晶石矿伴生有金红石、云母和石英等矿物可综合利用。
2. The basic principles of the triboelectricity beneficiation and high gradient magnetic separation technology,as well as its current status of development and usage,were presented.
   实验研究了采用高梯度电磁技术处理热轧废水时,在不同工况下使用的效果、影响因素等。

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