In order to reduce the flotation tailings grade of a dressing plant of magnetite, experimental researches on the new magnetic flotation with silicon removal were carried out.
为降低某磁铁矿选矿厂的浮选尾矿品位，进行了新型磁浮选脱硅试验研究。
The research is mainly exploring that how to recover the accompanying low grade scheelite from the tailings of sulphide.
本试验研究主要是寻求如何从硫化物的尾矿中回收伴生的低品位白钨矿。
A mixed nitric-sulphuric acids is used to recover the valuable metals ni, Cu and co from low-grade Ni-Cu sulfide tailings, the leaching rate of ni, Cu, and co is 91.
以硝酸为氧化剂、硫酸为添加剂的混酸体系用于铜镍硫化矿尾矿中镍、铜、钴等有价金属的浸出，镍、铜、钴浸出率分别可达91。
This machine is out of ore grade for concentrate, tailings two grades.
本机出矿品位为精矿、尾矿两个等级。
A high grade decoration glass can be melted using the iron ore tailings, which features a high amount of the iron ore tailings, low cost of raw materials and good decorative property.
利用铁矿尾矿可熔制高级饰面玻璃，其特点是铁矿尾矿用量高，原料成本低，装饰性能好。
A high-grade decoration glass can be melted using the iron ore tailings, which features a high mount of the iron ore tailings, low cost of raw materials and good decorative property.
利用铁矿尾矿可熔制高级饰面玻璃，其特点是铁矿尾矿用量高，原料成本低，装饰性能好。
With the depletion of high grade copper mineral resources, it has become very urgent to develop the discarded copper tailings.
随着高品位铜矿资源的日趋枯竭，高效开发铜尾矿变得越发迫切。
With the depletion of high grade copper mineral resources, it has become very urgent to develop the discarded copper tailings.
随着高品位铜矿资源的日趋枯竭，高效开发铜尾矿变得越发迫切。
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