1.
Research on the reasonable distance when the close seams joint mining

近距离煤层联合开采合理错距的研究
2.
The Optimizing Design of Bolting Support Multi-coal Seams and Little Intervals Roadway;

近距离煤层群巷道锚杆支护优化设计
3.
Forecast Model of Spontaneous Combustion in Goaf of Close Distance Coal Seams;

近距离煤层采空区自然发火预测模型
4.
Research of near range overmining of Qinghemen coal mine

清河门矿近距离煤层群上行开采技术
5.
Research on the roadway stability under closed distance seam group

近距离煤层群开采下巷道稳定性研究
6.
Stability Analysis of Mining Gateway under Seam Group Mining with Closed Distance Between Seams in Cuijiazhai Mine
崔家寨煤矿近距离煤层群开采巷道稳定性分析
7.
Research on Prevention and Treatment of Coal and Gas Outburst in Close-up Coal Seam Mining
近距离煤层开采煤与瓦斯突出防治研究
8.
Strike Coal Pillar Affected to Strata Pressure of Fully Mechanized Longwall Mining Face with High Cutting Height in Closed Distance Seam
走向煤柱对近距离煤层大采高综采面矿压影响
9.
Rational Roadway Layout Pattern for Mining Coal Seam Group with Close Quarters in Hedong Colliery
河东煤矿近距离煤层群开采巷道合理布置方式
10.
Roadway Mechanized Excavation Technology for the Close Distance Seams for the Composite Lay Roof under Goaf
近距离煤层采空下复合层顶板巷道综掘技术
11.
Study and Application on the Technique of Preventing and Extinguishing Spontaneous Combustion Hazards in Contiguous Seams;
近距离煤层群自燃火灾防治技术的研究与应用
12.
Study on the Surrounding Rock Controlling Technology of Floor Roadway under Closed Distance Coal Seam Group;
近距离煤层群开采底板巷道围岩控制技术研究
13.
Study on the Surrounding Rock Control Theory and Technology of Ultra-Close Multiple-Seams Mining;
极近距离煤层开采围岩控制理论及技术研究
14.
Study on the Failure Law of Overbureden Strata Induced by Ultra-Close Space Crossing Stopes
极近距离煤层交错采场覆岩破坏规律研究
15.
Research on the effects of multi-mining on activity law of rock strata in close coal seams
多次动压下近距离煤层群覆岩破坏规律研究
16.
INSTABILITY MECHANISM AND PREVENTION OF ROADWAY UNDER CLOSE-DISTANCE SEAM GROUP MINING

近距离煤层群回采巷道失稳机制及其防治
17.
Mine Water Prevention and Control Technology of Upward Coal Mining Face with Close Distance to Other Seam
近距离煤层上行开采工作面防治水技术
18.
Location Optimization of Mining Gateway under Goaf in Seam with Closed Depth in Hexi Mine

贺西矿近距离煤层采空区下回采巷道布置优化