1.
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。
2.
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
3.
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
4.
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
5.
(2) difficult prop (supporting) management, much resource loss and low recovery;
(2) 支柱(护)管理困难，资源损失多，回采率低；
6.
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
7.
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
8.
The Significance of Ratio of Mining Recovery and Its Influences on Charge of Compensation Tax for Mineral Resources;
开采回采率系数的意义及其对矿产资源补偿费影响的探讨
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.
The rate of extraction for coal resources shall be determined by the department in charge of the coal industry under the State Council in light of the different resources and mining conditions.
煤炭资源回采率由国务院煤炭管理部门根据不同的资源和开采条件确定。
12.
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
13.
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
14.
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
15.
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
16.
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
17.
A Design of Digital Video Collector, Communication, Replay System with Wavelet;
一种基于小波变化编码的视频低速率采集、传输和回放系统的设计
18.
Study on Relationship between Depositing Characteristic of Falling Waste and Top Coal Recovery in Full-mechanized Caving
综放开采冒落矸石堆积特征与顶煤回收率关系研究