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1)  Dilution rate
贫化率
1.
The way of decreasing mining dilution rate in south section of Shiling;
降低狮岭南地段采矿贫化率的途径
2.
Investigation on calculating methods of both loss and dilution rates in rocky gold mine;
岩金矿山损失率与贫化率计算方法探讨
3.
This article introduces firstly the conception of dilution rate in view of much ash content and waste rock in the blasting down coal.
本文针对放顶煤开采存在的顶煤灰份和含矸率增大的问题,首次引入了贫化率的概念,通过对顶煤贫化原因、影响因素和顶煤可放性的分析,将回采率和贫化率联系起来共同研究,探讨了控制顶煤贫化率的有效措施,生产实践中取得了显著的经济效益和社会效益。
2)  dilution ratio
贫化率
1.
Study of optimization on the dilution ratio of roof coal in sublevel caving mining;
放顶煤开采顶煤贫化率优化研究
2.
The lowering of mining dilution ratio and loss ratio is one of major difficulties in front of mining researchers.
采矿贫化率与损失率的降低是采矿工作者重点研究和攻克的难点之一。
3.
Directing against vulnerable technical force, poor management and techno-economic guidance, higher mining loss and ore dilution ratio etc in some gold mines,this paper proposes some relevant counter-measures in order to enhance utilization ratio of mine resources.
结合有些矿山技术力量薄弱,管理水平低,管理手段差,技术经济指标低,导致采矿损失率高,矿石贫化率高。
3)  overall dilution factor
总贫化率
4)  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
5)  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
6)  the analysis on the dilution ratio
贫化率分析
补充资料:贫化率
      由于废石混入或高品位矿石损失,使采出矿石品位低于开采前工业储量中矿石品位的现象叫矿石贫化。工业矿石品位与采出矿石品位之差与工业品位的比值以百分数表示称贫化率。废石混入是矿石贫化的主要原因。混入采出矿石的废石量与采出矿石量的比值以百分数表示称废石混入率。当混入矿石的废石不含和矿石相同的有用成分时,废石混入率等于贫化率。废石含品位时,贫化率小于废石混入率;高品位矿石损失和有用成分析出时,贫化率大于废石混入率(见回采率)。
  

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