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- high steep coal seam 大倾角煤层
- Mining Practice in Steep Coal Seam under "Grey Hat" "灰帽"下急倾斜煤层采煤的实践
- steep coal seam with large inclined angle 大倾角急倾斜煤层
- Research on strata behavior about hard roof steep coal seam 急倾斜硬顶中厚煤层开采矿压显现规律的研究
- NUMERICAL SIMUL ATION ON THE STABILITY OF OPENING IN STEEP COAL SEAM 急斜煤层巷道稳定性数值模拟
- Study on pressure behavior laws of blasting mining face in steep coal seam 大倾角炮采面矿压显现规律研究
- Keywords steep coal seam;exploitability;fuzzy comprehensive evaluation; 急倾斜煤层;可采性;模糊综合评价;
- Analysis for support-surrounding rock system structure of longwall face on the strike for steep coal seam 大倾角煤层走向长壁采面支架与围岩系统分析
- Study on Application of Bolting With Wire Mesh in Steep Coal Seam Roadway with Comprehensive Roof and Large Tilt Angle 锚索网支护在大倾角复合顶板煤巷的应用实践与分析
- Using Integrated Control Techniques to Prevent Spontaneous Combustion in Steep Coal Seam 采用综合治理技术预防急倾斜煤层自燃
- Keywords steep coal seam;immediate roof;voussoir beam structure;strata behavior; 大倾角煤层;直接顶;砌体结构;矿压显现;
- Structural Analysis for Roof Movement for Steep Coal Seams 大倾角煤层采场顶板运动结构分析
- Roof Control of Steep Coal Seam 急倾斜煤层的顶板管理
- Ground pressure of top-coal caving face in difficult mining steep coal seams 急斜难采煤层水平分层放顶煤开采矿压研究
- This study can provide scientific guidance for the effective protection of rockfall hazards in high steep slope in the open-pit mine. 研究结果表明，该方案对落石的拦截率达到100%25，对露天矿高陡边坡落石灾害的有效防治具有重要意义。
- steep coal seam 急倾斜矿层
- Steep coal seam mining 急倾斜
- Fourthly, the prestack time migration is introduced in AVO inversion to improve AVO techniques to meet the needs of the gas/water prediction of high steep complicated structure. 第四，针对高陡复杂构造的特点，在AVO反演中引入了叠前时间偏移的思想，将AVO技术进行了改进，有效地适应了高陡复杂构造的气水预测；
- Coal miners; coal seams; coal haulers. 煤矿工; 煤层; 运煤工
- Under gassy coal seam condition, the full-heading development is employed.Because of the fast heading a high rate of gas emission arises. 在瓦斯含量较大的煤层采用综掘掘进巷道，由于掘进速度快，出现了瓦斯涌出量过大的现象。
