1) ore dilution
矿石贫化
1.
The article analgzes the reasons of influening dilution in the course of design,mining and ore drawing, put forward some measures of decreasing ore dilution of shallowhole shrinkage metho
通过对设计、采矿、出矿等过程中影响贫化的原因的分析 ,提出了降低浅孔留矿采矿法矿石贫化的一些措施。
2) ore depletion
矿石贫化
1.
The ore depletion reasons analysise of sub-level caving method;
无底柱分段崩落法矿石贫化原因分析
2.
Through founding the mathematics model in which the profit is aim function and depletive rate is independent variable, the effect of ore depletion on mine's economic benefit is analyzed quantitatively In order to control and decrease the ore depletion, the technology of geology and mining should be strengthened, and also with the field managemen
通过建立以利润为目标函数、贫化率为自变量的数学模型 ,定量分析了矿石贫化对矿山经济效益的影响。
3) ore dilution ratio
矿石贫化率
1.
Effective measures to control ore dilution ratio and mining loss rate in mine stope;
降低采场矿石贫化率和采矿损失率的有效措施
4) ore impoverishment rate
矿石贫化率
1.
This paper introduced the practice to control the indexes of ore impoverishment rate and mining loss rate in stope of SanShanDao Gold Mine.
介绍了三山岛金矿采场的矿石贫化率和采矿损失率两率指标管理的实践，分析了影响两率指标的各种因素，采取各种有效措施，就能降低采场的两率指
5) Ore loss and dilution rates
矿石损失贫化率
6) Dilution and loss of ore
矿石贫化损失
补充资料：矿石贫化率
矿石贫化率
ore dilution rate
kuongsh一P一nhuo4u矿石贫化率(ore dilution rate)工业储量品位(C)与采出矿石品位((’()两者的差值占上业储量品位的比率(%)，其计算式为 c一〔一 p一下xlo。%式中P为矿石贫化率。矿石贫化率直接反映出采出矿石品位比工业储量品位的降低程度。它与矿石回采率 一样，也是矿山的重要技术经济指标之一，并且也是有关矿床开采技术经济分析和计算的重要数据和指标。为了便于对矿石贫化率进行分析，对应崩矿和放矿分为一次贫化和二次贫化，并分别计算贫化率: 一次矿石贫化率，一旱、l、 一、一、.、_C，一C 二次矿石贫化率九一斌兰火‘。。%式中c为按设计崩矿后，崩下矿石的品位Pl、P:与总的矿石贫化率P的关系为 P一P:一PZ一PIP: (刘兴国)
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参考词条