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。
The research is mainly exploring that how to recover the accompanying low grade scheelite from the tailings of sulphide.
某低品位氧化型金矿石含有少量硫化物。
The oxidized ore with a lower grade of gold contains a little sulfide.
原料低硫高冰镍为高冰镍经磨浮-磁选分离获得的富含贵金属的磁性产品，主要含有镍合金和少量硫化物。
This magnetic matte was obtained from high grade Ni-Cu matte by floatation-magnetic separation, which enriched in precious metals, and mainly contained Ni alloys and a small quantity of sulfides.
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