1.
Increasing Rate of Coal Mining with Improving Coal Caving Technology at Fully Mechanized Face
改进综放工作面放煤工艺提高回采率
2.
The improvement of recovery rate of gold and copper by using flash flotation
采用闪速浮选提高金、铜的选矿回收率
3.
Optimizing Mining Design Technics and Improving Resource Rate of Recovery
优化开采设计工艺 提高资源回收率
4.
Adopting a Number of Effective Measures to Increase Coal Resources Recovery Rate;
采取各项有效措施 努力提高煤炭资源回采率
5.
Tax and Fees Collection Measure of Enhancing Total Recovery Coefficient of Coal Mining;
提高煤炭资源总回采率的税费征收方式
6.
Increasing of ore recovery rate and decreasing of ore loss & dilution rate in the case of pillarless sublevel caving
浅析无底柱分段崩落法提高矿石回采率
7.
Research on Relationship of Mining Height and Recovery of Top-coal in Full-mechanized Caving Mining
综放开采割煤高度与顶煤回收率相互关系研究
8.
Second Mining Is an Effective Way for Small and Medium-sized Coal Mines to Increase the Coal Recovery Rate
复采是中小煤矿提高煤炭回收率的有效途径
9.
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。
10.
Probe into Improving Recovery Ratio of Caving Coal at π Steel Beam Caving Coal Face by Deep Hole Pre-Fracture Blasting
深孔预裂爆破提高π型钢梁放顶煤回采率可行探讨
11.
Research on layout of dislocated strata gateway applied to improve initial mining recovery rate of fully mechanized top coal caving mining
应用错层位巷道布置提高综放初采回收率的研究
12.
Mining all Height at One Time Technology of Large Mining High Angle Compound Mining Working Face
大采高大倾角综采工作面一次采全高回采工艺
13.
Improving Extraction Technology By the Support of Comprehensive Mining;
普通综采支架加大采高回采技术实践
14.
She ran back home with delight.
她兴高采烈地跑回家。
15.
Article 37 Collectively-owned mining enterprises and privately-owned mining undertakings shall raise their technical level and increase the recovery rate of the mineral resources.
第三十七条 集体矿山企业和个体采矿应当提高技术水平，提高矿产资源回收率。
16.
It shall see to it that the recovery rate and impoverishment rate in mining and recovery rate in ore-dressing meet the design requirements.
矿山企业的开采回采率、采矿贫化率和选矿回收率应当达到设计要求。
17.
Calculation Method of Annual Mining Recovery Index in Mining Enterprise;
谈矿山企业制定年度开采回采率指标的方法
18.
Study on top-coal recovery in full-mechanized by similarity simulation
综放开采顶煤回收率的相似模拟研究