Analysis on the effect of ventilation system rebuilding in mining area;
采区通风系统改造对矿井通风的影响及效果分析
Optimum design and constructin for the upper air-returning system at the sixth mining area, No.1 well, Yaojie coal field;
窑街煤田一号井六采区上部回风系统优化设计与施工
Main roadway arrangement and characteristic of west mining area in No.98 coal seam;
浅谈98号煤层西翼采区主要巷道布置及其特点
Discussion on the pattern of tunnel of pillar mining district in well;
矿井煤柱采区巷道布置方式的探讨
Introuduced Taiping coal mine in Panzhihua coal ming bureau by added to mining district length made three mining district into two.
介绍了攀枝花矿务局太平煤矿通过加大矿井南翼走向长度,使原相邻的3个采区变为两个,实现合理集中生产的具体作法,并对改进前后的技术经济进行了比较。
Introduced no 1 coal mine in dayan coal mine by improvment of mine layout, made two mining district intinto one.
介绍了大雁一矿通过改进巷道布置 ,使原相邻两采区合二而一 ,实现合理集中生产的具体作法 ,并对改进前后的技术经济进行了对比。
Simulation on spontaneous fire source distribution in goaf with multi air leakage channels;
多漏风通道采空区自燃火源分布模拟
Technology of surface boreholes for drainage of goaf gases and application in Tiefa Mining area;
铁法矿区地面钻孔抽放采空区瓦斯技术及应用
Fuzzy comprehensive evaluation on the spontaneous combustion in goaf and its application;
模糊综合评价对采空区自然发火的评价及应用
Research on prospecting effect for gob area of coal mines;
煤矿采空区探测效果研究
Congregation analysis of coalbed methane in gob area based on GIS;
基于GIS的采空区煤层气聚集分析
Analysis of the effect by using TEM detecting water filled gob area in No.2 Mine,Yangquan Mine Group;
瞬变电磁法在阳泉二矿探测积水采空区效果分析
The Study of Mining Method the Water Body for South 2 Mining Area;
大平矿南二采区水体下开采方案研究
Optimization of the Design of Mining Area and to Mine Reasonably the Coal-Pillar of Mine Surface Plant;
优化采区设计 合理开采工业广场煤柱
Study on the Theory and Its Application of Upward Mining of Left-Over Coal
残采区上行开采基础理论及应用研究
The Research and Practice on Mining Method for Fu-Cao Orebody in Ancient Mine Area
古采区伏槽矿采矿方法的研究与实践
Technology of Comprehensive Control of "Under three" Coal Mining at South II Mining Area
南二上采区“三下”采煤综合治理技术
off-tract injection system
开采区外的注入系统
Analysis on Design Optimization of Roadway Layout in Jiaozuo Mining Area
焦作矿区采区巷道布置设计优化分析
The feasibility of extending the upper extraction limit for No.810 Mining Area of Luling Coal Mine
芦岭煤矿810采区提高回采上限的可行性研究
Research on Strip Mining under Buildings of Donghuantuo Coal Mine South 1st District;
东欢坨矿南一采区建筑物压煤条带开采研究
forest mining
"林区开采,见 tree mining"
Research and Application of Full-mechanized Caving Mining with High Mining Height in Huaibei Mining Area
淮北矿区大采高综采放顶煤开采技术
Research on Reliability of Mining Near Subsided Cavity
塌陷采空区近区安全开采可靠性研究
Study on the Gas Migration in the Goaf Filling of Full-mechanized Mining Working Face
综采工作面充填开采采空区瓦斯运移研究
The Applied Research of Gas Drainage Technology in the Goaf of Full-Mechanized Mining Working Face
综采工作面采空区瓦斯抽采技术的应用研究
Collapse Stope Disposing and Mining Practice of Impaired Mined-out Area Residual Mining
塌陷采场处理及采空区破坏残矿开采实践
A Study of Mining Technology for Hard-to-Mine Ore Body in Eastern Zone of Daye Iron Mine;
大冶铁矿东区难采矿体开采工艺研究
The whole area has been mind out.
整个地区已被开采完了。
Interregional Seminar on Mining Taxation
采矿课税区域间讨论会
