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1)  first frotation later gravity concentration
先浮后重
1.
By substituting "first gravity concentration later frotation" in a tin mine with " first frotation later gravity concentration", the tin concentrate can be got direct from the shaking table.
用“先浮后重”的生产新工艺代替某锡矿选矿中的“先重后浮”生产工艺,从摇床上直接获取锡精矿,使锡精矿指标提高,并且使付产品铜、硫精矿指标也大幅度上升,生产新工艺给该矿选矿带来较大的经济增益。
2)  first gravity concentration later frotation
先重后浮
1.
By substituting "first gravity concentration later frotation" in a tin mine with " first frotation later gravity concentration", the tin concentrate can be got direct from the shaking table.
用“先浮后重”的生产新工艺代替某锡矿选矿中的“先重后浮”生产工艺,从摇床上直接获取锡精矿,使锡精矿指标提高,并且使付产品铜、硫精矿指标也大幅度上升,生产新工艺给该矿选矿带来较大的经济增益。
3)  flotation and magnetic dressing
先浮后磁
1.
Through experimentation and research in this ore,we use flotation and magnetic dressing, and part of amalgamate flotation,and chose amalgamate concentrate of copper and lead, then asunder copper and lead,and flotation zinc and sulphur,and flotation rejection,and magnetic dressin.
通过对该矿石进行选矿试验研究,采用先浮后磁、部分混合浮选的流程,选出铜铅混合精矿、再进行铜、铅分离,然后浮选锌、硫,浮选尾矿经过磁选选铁,得出了铜精矿、铅精矿、锌精矿和铁精矿四种产品。
4)  Gravity concentration-magnetic separation
先重-后磁
5)  Mangnetic separation-gravityconcentration
先磁-后重
6)  stage-wise grinding-flotation-magnetic separation
阶段磨矿-先浮后磁
补充资料:重忆山居六首·罗浮山
【诗文】:
龙伯钓鳌时,蓬莱一峰坼。飞来碧海畔,遂与三山隔。
其下多长溪,潺湲淙乱石。知君分如此,赠逾荆山璧。



【注释】:



【出处】:
全唐诗:卷475-111
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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