ore impoverishment rate 矿石贫化率
According to the condition of ore body, selected mining method and proportion of each mining method, and through calculation, the mining loss rate is 12% and the impoverishment rate is 15%.
根据矿体赋存条件和所选用的采矿方法,各种采矿方法所占的比例,计算采矿综合法损失率为12%、贫化率为15%。
Establishing the ore body model, the loss impoverishment dynamic model and the ore matching optimization model.
建立了矿体模型、损失贫化动态模型和配矿优化模型。
Generally, the elements in strata do not show a whole impoverishment, so the strata do not provide any material to form the layered ore deposits in Tongling area.
地层中元素整体贫化的现象很少,说明铜陵地区的层状矿床或层控矿床的物质来源主要不是来自地层。
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