1.
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
2.
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
3.
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
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.
Fully Mechanized Top Coal Caving Mining Technology in Combined Seams with Close Distance and with Soft Roof,Soft Coal and Soft Floor in Guobei Mine
涡北煤矿近距离三软煤层合并综放开采技术
7.
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
8.
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
9.
Close-up coal mining stope support pressure distribution study
近距离煤层群开采采场支承压力分布规律研究
10.
Study on combined mining and exploration for the thin coal seams very close under gob water
极近距离老空水下薄煤层联合开采探测研究
11.
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
12.
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
13.
Study of Deformation and Destruction Mechanics and Numerical Simulation on Ascending Strip Mining of Short Distance Coal Seams;
近距离煤层条带上行开采煤岩层变形破坏机理及数值模拟研究
14.
THEORY AND PHYSICAL SIMULATION OF CONVENTIONAL STAGGERED DISTANCE DURING COMBINED MINING OF ULTRA-CLOSE THIN COAL SEAM GROUP
极近距离薄煤层群联合开采常规错距理论与物理模拟
15.
Study on Key Technologies of Reasonable Mining in the Condition of Soft Coal, Thick-hard Roof and Contiguous Seams;
软煤、厚硬顶板、极近距离煤层合理开采关键技术研究
16.
Study on Longwall Mining Pressure and Control Beneath the Area Mined with Longwall-Pillar Method in Ultra-Close Multiple-Seams;
极近距离煤层刀柱采空区下长壁开采矿山压力及其控制研究
17.
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
18.
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