回采率
- 名 recovery
![回采率](../cache/951816.jpg)
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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 .
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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 .
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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
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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
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提高综采放顶煤回采率的途径
Measures for Enhancing Recovery Rate of Full-mechanized Top - coal Caving
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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
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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
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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
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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
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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
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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
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浅谈提高回采率的技术途径
Talking about the technology ways of lifting extraction rate
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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
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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
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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
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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
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对合理设计采区回采率的探讨
Probing into Reasonable Design of Working Section Recovery
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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 ;
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提高煤炭资源回采率的几个技术问题
Technique of Improving Coal Sources Actual Rate
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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
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也谈开采回采率系数
Talking about the Coefficient Mining Recovery
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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
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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
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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 .
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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
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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 .
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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 % .
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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 .
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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 .
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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 .