1.
Practices of Main Mineable Coal Seam Roof Processing in Aai Mine Area, Kuqa County, Xinjiang
新疆库车县阿艾矿区主采煤层顶板处理实践
2.
Research on Engineering Geological Properties and Stability of the Main Coal Seam s Roof of Jurassic System in Muchengjian Mine of Beijing;
北京木城涧矿侏罗系主采煤层顶板工程地质特性及其稳定性研究
3.
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
4.
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
5.
Study and Application on Stability of Hard and Massive Overlying Strata in Fully Mechanized Sublevel Caving Face;
综采放顶煤采场厚层坚硬顶板稳定性分析及应用
6.
The Study of Roof Management Problems with Big Tilting Angle Coal Seam Applying Tilting Extraction
大倾角煤层仰斜开采顶板管理问题的研究
7.
Analysis on Roof Structure s Stability of Longwall Mining in Shallow Seam;
浅埋煤层长壁开采顶板结构稳定性分析
8.
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
9.
A research on the relation between mining caused coal seam roof fissures and mine gas distribution
煤层顶板采动裂隙与瓦斯分布关系研究
10.
The study of coal mining technology with the coal seam roof and floor by two-way threat of confined water
受顶底板双向承压水威胁煤层开采技术研究
11.
Gas drainage technique by 1000 m long and large diameter roof boreholes in high gas coal seam group
高瓦斯煤层群顶板大直径千米钻孔抽采技术
12.
Study on the Mining Method with Lofty Roof and Floor under Shallow Overburden Condition
浅埋深松软顶底板褐煤层开采方法的研究
13.
The Application of the Roof Gas Tunnel on No.145 Coal Face;
顶板瓦斯巷在145采面(二采3#层俯二采煤面)的应用
14.
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
15.
Study on Complex Active Support System of Seam Gateway with Thick Carbonaceous Mudstone Roof
厚层炭质泥岩顶板煤巷复合主动支护系统研究
16.
Research on Movement Rule and Control Technology of Roof in Fully-mechanized Working Face of Thin Seam
薄煤层综采工作面顶板运动规律及其控制技术研究
17.
The Influence of Seam Occurrence on Fully Mechanized Top Coal Caving
煤层赋存状态对综采放顶煤采煤法的影响
18.
Study on Gateway Top Caving Technology for Steep-inclined Coal Seam
急倾斜煤层巷道放顶煤回采工艺研究