1.
Oplimization of Cutting Parameters and Improve Ore Mining Efficiency for Hydrogeological Water Mining
复杂大水矿山优化凿爆参数提高出矿效率
2.
The Efficiency of Input-output of Coal Mining Cities from Its Coal Mining Employee--Based on DEA Empirical Analysis;
我国煤矿人员对煤矿城市投入产出效率的影响——基于DEA的实证研究
3.
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
4.
Study on Improving the Washing Efficiency of Pingguo Hard to Wash Bauxite Ore
提高平果铝土矿难洗矿石洗矿效率的研究
5.
effective output
有效输出量有效功率
6.
STUDY AND ANALYSIS OF TRUCK ROAD SLOPES AND HAULAGE EFFICIENCY IN YONGPING COPPER MINE
永平铜矿采矿场汽车道路与运输效率的分析
7.
The Research of the Efficiency of Grinding Classification in Fankou Mine;
提高凡口铅锌矿二段磨矿分级效率研究
8.
Transactional efficiency of mining rights and role orientation of mining rights exchange center
矿业权交易效率与矿业权交易中心角色定位
9.
Study on Checking Methods of Efficiency of In-Service Mine Water Pump
矿山在用排水泵效率检验方法的研究
10.
Research on Improving Large-scale Electric Shovel Efficiency of Nanfen Open-pit Mine
提高南芬露天矿大型电铲效率的研究
11.
Analysis to the circulate efficiency of the mineral well drains system and tube net
矿井主排水系统管网运行效率的分析
12.
The Simulation of AlGaInP LED's Light Output Efficiency
AlGaInP LED出光效率的模拟
13.
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.
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。
14.
Efficiency is an effective level and the ratio of input to output.
效率是有效的程度，是投入与产出的比率。
15.
China's Fiscal Expenditure:An Analysis of Its Efficiency in the Scale and Structure
我国财政支出的规模效率与结构效率分析
16.
It affects the efficiency of each follow-up producing process and the total cost in mining.
它影响到矿山各后续生产工序的效率和采矿生产总成本。
17.
The Effective Way for Improving the Comprehensive Utilization Ratio of Mineral Resources in Jinzhou Mining Group;
金洲矿业集团提高矿产资源综合利用率的有效途径
18.
The Evaluation and Analysis of Economic Development Efficiency and Scale of Mining Cities;
矿业城市经济发展规模效率评价与分析