Quantitative estimation of ore loss and dilution resulting from block estimation errors;
由块段估计误差引起的矿石损失和贫化的量化估计方法
Reasons of producing higher ore loss and dilution ratio in Yin--Dong--Po Gold Mine are analysed systematically in this paper.
本文较系统地分析了银洞坡金矿矿石损失贫化过高的原因，针对这一构造复杂矿床的开采，在大量的工业试验基础上，从矿山开采程序、矿岩接触带控制爆破、分采工艺技术等方面，提出了降低矿石损失贫化综合开采技术措施。
Ore spotting and pit supervision, to minimize ore loss and dilution.
测定矿石点位，监督矿坑工作，将矿石损失和贫化降低到最小程度。
The comprehensive mining art for lowering ore loss anddilution ratio in Yin--Dong--Po Gold Mine
银洞坡金矿降低矿石损失贫化综合开采技术
Calculation Method on Ore Dilution Rate and Loss Rate in Mining Enterprise;
浅谈矿山企业矿石损失与贫化指标的确定
Cause and Countermeasures of Ore Loss and Dilution in Complex Orebod
复杂矿体开采中矿石损失贫化原因及其对策
Analysis of stope's structural parameters causing ore loss & depletion
采场结构参数对矿石损失贫化的影响分析
Machinery Solution to Cut Ore Loss in Exploitation of Gently Inclined Ore Body
缓倾斜矿体开采中降低矿石损失的机械解决方法
The Influence on the Dilution and Loss Under Different Inclination of Front in Sublevel Caving Method
无底柱采场端壁倾角变化对矿石损失和贫化的影响
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
On the Reclaiming and Utilization Situation of the Mixed Ore Which are Lost in the Dump and the Project Exploration of Next Dry Magnetic Separation in Nanfen Iron Mine
南芬铁矿对损失于排土场混合矿石的回收利用现状及下步干选回收方案探析
Assessment on Mine Air Quality Using Pollution Loss Rate
污染损失率法评价矿山井下空气质量
A preliminary analysis on the loss and impoverishment in mineral mining in China;
我国矿产资源开采中的损失贫化浅析
Study on Management of Dilution and Loss Based on Mining Practices
结合采矿生产实践探讨贫化损失管理
A Study on the Model for Calculation of Coalmine Safety Accident Loss in China
中国煤矿安全事故损失计算模型研究
Analysis of Dilation and Loss Ratio in Fankou Pb-Zn Mine
凡口铅锌矿采场贫化率与损失率分析
Research on the Wear Failure of Colliery Hoister Journal Bearing
煤矿提升机滑动轴承的磨损失效分析
The Research on China s Loss of Pricing Power in Importing Iron Ore;
中国铁矿石进口定价权缺失问题研究
Asphalt-Determination of evaporation loss
GB/T11964-1989石油沥青蒸发损失测定法
INVESTIGATIONS ON NITROGEN LOSSES FROM FERTILIZERS APPLIED TO FLOODED CALCAREOUS PADDY SOIL
石灰性稻田土壤上化肥氮损失的研究