The mining rate affects the results of stress distribution,deformation and failure process in surrounding rocks in mechanized top-caving mining face.
综放工作面开采速率影响着工作面围岩应力重新分布和变形破坏的结果。
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
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。
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
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
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
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
Overhand stoping indicates working from a lower to an upper level; underhand stoping is the opposite, from an upper level to a lower level.
上向回采是指从下往上开采，下向回采则相反，从上往下开采。
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。
natural depletion oil recovery
天然能量开采的原油采收率
open-end method
(采矿) 敞开进路式矿柱回采法
There are several techniques for working the face of the stope. Overhand stoping indicates working from a lower to an upper level; underhand stoping is the opposite, from an upper level to a lower level.
工作面回采技术有好几种。上向回采是指从下往上开采，下向回采则相反，从上往下开采。
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
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。
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
TRACKBOUND TO TRACKLESS IN SWEDISH MINES
瑞典矿山从有轨开采到无轨开采的回顾与展望
With the increase of the depth of coal seams mined, rock bursts will easily occur in gateways with fully-mechanized sublevel caving mining.
随着煤矿开采深度增加，综放开采回采巷道易发生冲击地压危害。
Feasibility Study and Mining Measures on Coal Pillars Mining Under Surface River Water Body
地表河流水体煤柱回采可行性研究及开采措施
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