1.
Full Length Grouted Anchor Combined Support Technology of Ultra Soft Seam in Guo'erzhuang Mine
郭二庄矿极软煤层中空注浆锚索联合支护技术
2.
Study on Roof Control Technology of Expecial Incompact "Three-soft" Coal Seam Working Face;
极松散“三软”煤层采场顶板控制技术研究
3.
Study on the Increasing of Recovery Ration of Fearfully Soft Coal in Longwall with Top-coal Caving Mining
极松软煤层综放工作面提高回收率技术研究
4.
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
5.
The Study of Mining and Supporting Technique for a Fully Mechanized Top Coal Caving Face in Extremely Soft and Easy Self-ignition Thick Seams;
极软岩、易自燃厚煤层综放面开采及支护技术研究
6.
Technology of Gas Outburst Elimination,Gas and Coal Dust Management with Water Injection in Coal Seam at Coal Face in "Three Soft" Coal Seam
“三软”煤层采煤工作面煤层注水消突治理瓦斯、煤尘技术
7.
Research on Equipments Coordination for Shearer in Soft Coal Thin Seam with Hard Roof
硬顶软煤薄煤层滚筒采煤机设备配套研究
8.
Light Drills Digs "Three soft" Coal Bed Coal Lane Tunneling Application
轻型钻掘机在“三软”煤层煤巷掘进中的应用
9.
Application of big-obliquity angle mining in three-soft seam in Shitai Coal Mine
“三软”煤层大倾角开采在石台煤矿的应用
10.
Study the Laws about Steep Soft Coal Seam Coal and Gas Outburst;
急倾斜松软煤层煤与瓦斯突出规律研究
11.
Study on Technology of Soft Coal Seam Rib Spalling Preventing by Water Infusion with Shallow Holes
松软煤层煤壁浅孔注水防片帮技术研究
12.
Selection of Hydraulic Powered Top Coal Caving Support and Three Equipment Matching Applied to Deep Inclined Seam with Soft Roof,Soft Coal and Soft Floor
大倾角三软煤层放顶煤支架选型及三机配套
13.
Deep "three soft" measures inclined roadway open seam of cosl-process research of technologies
深部“三软”煤层斜井措施巷揭煤防突技术研究
14.
Plowability of plow mining on thin and soft coal seam with hard roof
坚硬顶板松软薄煤层刨煤机开采可刨性研究
15.
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
16.
Research and Application of Strengthening Technology at Coal Roadway Crossing Point in "Three Soft" Coal Seam
“三软”煤层煤巷交岔点加固技术研究与应用
17.
Application of Coal-bearing Formation Rock Depositional Features in Three-soft Coal Seam
含煤岩系沉积特征在“三软”煤层中的应用
18.
Research on mining technology of combined mining at large inclined angle "three soft" coal seam
“三软”煤层大倾角综采回采工艺研究