1.
Study the technique of caving hanging roof in the condition of hard roof of room-and-pillar mining.;
房柱式开采坚硬顶板条件下悬顶放顶技术研究
2.
STUDY OF CONTROL CAVING METHODS AND REASONABLE HANGING ROOF LENGTH ON HARD ROOF
坚硬顶板控制放顶方式及合理悬顶长度的研究
3.
Technology and Control of First Roof Caving at Fully Mechanized Coal Face with Hard and Massive Overlying Strata
厚层坚硬顶板综采工作面初次放顶技术管理
4.
Research on Reasonable Hanging Arch Length of Hard Roof in Fully Mechanized Coal Mining Face
综采工作面坚硬顶板合理悬顶长度研究
5.
Roof Control Design and Practice of Very Hard Roof in Coalface Instead of Knife and Pillar Mining Method in Mentougou Mine-
门头沟矿坚硬顶板取消刀柱顶板控制设计及实践
6.
The application of numerical simulation in big dip angle and hard roof control
数值仿真在大倾角坚硬顶板控制中应用
7.
The Research of Goaf Gas Emission Law about Hard Roof Comprehensive Mechanized Coal Mining Face;
坚硬顶板综放工作面采空区瓦斯涌出规律研究
8.
Prevention of Shear Failure of Hard Roof in Fully Mechanized Caving Face;
预防综放面坚硬顶板超前剪切破坏方法
9.
Wu 8 seam roof cycle hard to pressure on the impact of gas emission and response
坚硬顶板周期来压对瓦斯涌出的影响与对策
10.
Study on site test of directional hydraulic fracturing of hard roof
定向水力致裂坚硬顶板的现场试验研究
11.
Simulation of Hard Roof Weakening Ahead of Working Face with Fully Mechanized Caving
坚硬顶板综放工作面超前弱化模拟研究
12.
Rock pressure of high angle thick coal seam by numerical calculation
大倾角坚硬顶板厚煤层矿压规律数值计算
13.
Technological Study and Practice on Safe and Efficient Mining Under Hard-Roof Condition
坚硬顶板条件下安全高效开采技术研究与实践
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.
Research and application of deep hole advance pre-blasting in hard roof of steeply dipping seam mining
大倾角坚硬顶板深孔超前预爆破研究与应用
16.
A study on the relations between hard roof strata behaviors and gas inrush
坚硬顶板矿压显现与瓦斯涌出关系研究
17.
Determination of Pressure Step for Hard Roof at XV2306 Working Face in Wangtaipu Coal Mine
王台铺煤矿XV2306工作面坚硬顶板来压步距确定
18.
Research on Non-coupling Charging Coefficient in Softening Hard Roof with Deep-hole Blasting
深孔爆破弱化坚硬顶板不耦合系数研究