优质的矿石，先进的矿砂加工工艺，为生产优质玻化微珠以及系列产品提供了根本保证。
High-quality ore and advanced ore processing technology guarantee the production of high quality glazed hollow bead and its series.
分别以铁尾矿砂和铁尾矿石代替天然砂和普通碎石配制了C30和C60两个强度等级的混凝土。
Concretes of C30 and C60 were prepared with iron mine tailings as fine aggregate and coarse aggregate and with natural sand and common crushed stone separately.
根据试验结果，认为洗矿—矿砂堆浸—矿泥搅拌浸出是处理玉龙铜矿氧化带矿石的合理工艺。
According to the tests results, it is concluded that the process of washing-sand leaching-stirring leaching is reasonable for the oxide copper ore of Yulong copper mine.
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