矿石贫化率

矿石贫化率取决于放矿参数。

The ore dilution rate depends on the ore drawing parameters .

为了降低梅山铁矿的矿石贫化率，特别是降低大结构参数开采的矿石贫化率，开展了低贫化放矿的实验室模拟研究，进行了5种不同贫化率放矿的试验；

To reduce the ore dilution rate , especially that of the mining with large structural parameter in Meishan Iron Mine , laboratory simulation study was made on low dilution ore drawing . Tests and technical and economical comparision were carried out on five alternatives .

遂昌金矿降低采矿损失率及矿石贫化率的生产实践

The practice of lowering ore loss and dilution ratio in Suichang Gold Mine

浅谈矿山企业控制和降低采矿损失率与矿石贫化率

Simple Discussion about the Control and the Decrease in Ore loss Rate and Ore Dilution Rate of Mine Enterprises

采矿损失率和矿石贫化率是表征一个矿山企业采矿技术水平和管理水平的重要参数。

Mining loss and dilution are important indices that demonstrate the technology level of mining and management level of a mine .

降低采场矿石贫化率和采矿损失率的有效措施用户无功管理对降损工作的影响分析及措施

Effective measures to control ore dilution ratio and mining loss rate in mine stope Measures and Influence of User Reactive-load Management to Loss Reduction

对于急倾斜极薄矿脉的开采国内外最常用的采矿方法是浅孔留矿法，实践表明，该法存在人工劳动强度大、矿石贫化率高等缺点。

As a result , the short hole shrinkage method with flat bottom structure was employed to mine the stope firstly , then stoping ore pillar by medium length hole caving method .

采矿指标：出矿品位、出矿量、采矿损失率、矿石贫化率、万吨采掘比、剥采比、采掘采剥车间劳动效率、采掘采剥车间单位电耗。

1.2.1 Mining targets : excavated ore grade , ore yield , mining loss rate , ore dilution rate , ratio of ten thousand tons of ore to its excavation , ratio of overburden , excavating work efficiency , unit electricity consumption for excavation .

其次，从采矿头的角度提出了“伪突起”的概念，且找出了“伪突起”的大小与结壳厚度及要求的矿石贫化率之间的关系。

Secondly , the concept of " false protuberance " is put forward from the view of the cutting-head , and the relations of the size of " false protuberance ", the thickness of cobalt-rich crust and the required rate of ore dilution are found out .

一方面，采矿设备和基础设施的落后增加了矿石的贫化率，浪费了矿产资源。

Inferior infrastructure and equipment raises the dilution rate of ores , thereby wasting mineral resources .

矿石的贫化率与损失率较高，是造成资源浪费和制约企业经济效益的突出问题。

Higher dilution and loss rates will result in waste of resources and restriction of economic benefit .

非均匀度与矿石损失贫化率关系的实验研究

Study on the relationship between heterogeneous degree of loose body and the rate of ore dissipation and dilution

避免了顶板千枚岩的过早冒落，改善了放矿条件，降低了矿石贫化、损失率，提高了爆破质量、改善了大爆破安全条件，取得了较好的技术经济效果。

It is a good way to reduce the dilution loss of mining and improve the safety and quality of blasting .

根据胡家峪铜矿的有底柱崩落法实践，探讨降低矿石损失和贫化率的有效途径。

The measures for reduction of oes losing and degrading are described based on the sublevel caving practice in Hujiayu Copper Mine .

矿石回收率与贫化率关系的实验研究

Study on the relationship between the rate of recovery and dilution of ore in the process of the heterogeneous loose body drawing

矿石的损失率与矿石的贫化率是矿山企业在生产管理中最重要的两项指标。

The dilation rates and loss rates of mineral are two most important indexes in the management of mine enterprises .

该方法提高了矿石的回采率，降低了矿石的贫化率，为矿山寻找出一条合理的开采方法。

This method can improve the ore extraction rate and reduce the ore dilution rate and has been found to be a rational mining method for the mine .