回采率

设计并实现了基于钻孔数据Delaunay三角网的煤炭储量的计算方法，以及基于采空区资料和矿山回采率数据的储量监控计算方法。

Designed and implementationed the calculation of coal reserves based on delaunay triangulation and the calculation of storage control based on mined areas and mine recovery rate data . 4 .

矿石回采率大幅提高，由原来的65%提升到79%。

The recovery was improved from 65 percent to 79 percent .

L上的关系（？）资源回采率与费用关系研究

Study On Relation between Resources Recycle Rate and Expenses

对综采放顶煤工作面回采率情况的调查

Investigation of Recovery rates of Fully Mechanized Faces with Caving Method

提高综采放顶煤回采率的途径

Measures for Enhancing Recovery Rate of Full-mechanized Top - coal Caving

采取各项有效措施努力提高煤炭资源回采率

Adopting a Number of Effective Measures to Increase Coal Resources Recovery Rate

提高老采区资源回采率的若干途径

Ways to increase the resource recovery of old mining area

提高综放面回采率的方法及措施

Methods and measures of increasing the coal recovery at comprehensive working face

综放工作面提高煤炭回采率途径分析

Analysis to means of increasing coal recovery rate at LTCC working face

提高厚煤层采区回采率的途径

The Approach for Increasing Recovery Rate of A Mining Section in Thick Seam

金属矿山降低矿石损失和贫化提高回采率的探讨

Discussion on Decrease of Loss and Impoverishment and Increase of Mining Recovery Rate

浅谈提高回采率的技术途径

Talking about the technology ways of lifting extraction rate

浅谈提高煤炭回采率&煤柱回收过程中的安全管理

Discussion on Raising Coal Recovery Ratio and Safety Management in Coal Pillar Recovery

提高悬放开采回采率的主要途径

Main ways of lifting actual mining rate in hung moval support top coal mining

提高π型放顶煤开采回采率的主要途径

The main ways of increasing the recovery rate of π type caving coal mining

炮采放顶煤回采率影响因素与提高方法

Influencing factors and improving methods for recovery ratio of sub-level caving coal blasting mining

对合理设计采区回采率的探讨

Probing into Reasonable Design of Working Section Recovery

支柱（护）管理困难，资源损失多，回采率低；

Difficult prop ( supporting ) management , much resource loss and low recovery ;

提高煤炭资源回采率的几个技术问题

Technique of Improving Coal Sources Actual Rate

煤体注水压裂技术&一种提高煤炭回采率的有效方法

Technology Coal Body Note Water Pressure Splits-One Kind Improves Back Production Effective Method of Coal

也谈开采回采率系数

Talking about the Coefficient Mining Recovery

综放工作面煤炭损失分析及提高回采率的方法探讨

Analysis on Loss of Coal on Combine Caving Faces and Research on Methods of Raising Extracting Percentage

提高综采放顶煤开采急倾斜特厚煤层回采率的途径

The approach of improving the coal recovery rate of comprehensive mining caving coal in severe inclined think coal seam

塑性区大小与开采深度、条带开采宽度及回采率有关。

The extent of plastic zone is related to the mining depth recovery ratio and width of mined strip .

深孔预裂爆破提高π型钢梁放顶煤回采率可行探讨

Probe into Improving Recovery Ratio of Caving Coal at π Steel Beam Caving Coal Face by Deep Hole Pre-Fracture Blasting

锡林郭勒苏尼特碱业有限公司的天然碱矿床是可溶性矿床，过去采用单一的采掘机械开采，回采率仅为78%左右。

A recovery of78 % was only obtained by mining soluble deposit with single machinery process in Xilingele Trona Mine .

采场生产能力达到30.8t/d，矿石回采率为83·2%，废石混入率为9.6%。

The productive capacity is up to 30.8t / d , stoping rate is 83.2 % , gangue centent 9.6 % .

回采率是衡量矿山生产技术管理、资源综合利用水平的一项主要的经济技术指标。

Mining recovery is a main economic-technical index to measure mine enterprise 's levels of production management and resources comprehensive utilization .

矿块矿石回采率达50%多，贫化率6%左右。

Ore block extractions , more than 50 % , and the rate of ore dilution , about 6 % ' , are obtained .

回采率系数核定不规范、征收管理规定的法律责任过于原则等问题，不同程度地影响或制约了矿产资源补偿费的征收入库，应引起注。

Some problems should be paid more attention , for they have influence or restrict on levy compensation of mineral resources to different extent .