1.
Study on Key Issues Existed in Exploiting Steep-Incline Upper-Protective Multi-Layer with a Bow Pseudo-Incline Technique
急倾斜多煤层俯伪斜上保护层开采的关键问题研究
2.
Sudy on the numerical simulation of the overlying strata movement of the far-distance protective coal seam
远程保护层开采上覆煤岩层移动规律
3.
Gas Drainage Technology with Borehole Through Protected Seam for Up Protective Seam Mining
开采上保护层被保护煤层穿层钻孔抽采瓦斯技术
4.
The Effect of Mining Protecting Strata to the Stability of Roadway on the Overlying Strata;
下保护层开采对上覆巷道稳定性的影响
5.
Research on Overlying Rock-Coal Failure and Deformation Caused by Mining Protecting Strata, and Relieved Methane Drainage;
下保护层开采上覆煤岩变形与卸压瓦斯抽采研究
6.
Extremely Thin Protectors Drilling Picks the Craft in Protector Mining Application
极薄煤层钻采工艺在保护层开采中的应用
7.
Research on Maximize Technology of Extraction Mining with Drilling Through Coal Seam in Protective Coal Seam
保护层开采穿层钻孔抽采最大化技术研究
8.
Research on Effect Law of Coal Seam Penetrability after Mining Protection Layer;
保护层开采对煤层渗透特性影响规律的研究
9.
Practice of Mining Protective Seam in Thick Coal Seam Group and Methane Pre-extracted to Prevent Methane and Coal Outburst
特厚煤层群保护层开采与瓦斯预抽采防突技术的实践
10.
Engineering practice of removing outburst in the area of protective layer mining first during multi seam mining in coal and gas outburst mine
突出矿井煤层群开采首采保护层区域消突技术实践
11.
Research on Pressure Relieved and Permeability Enhanced Caused by Exploitation of the Far Distance Lower Protective Coal Seam
远距离下保护层开采卸压增透特性研究
12.
Study on Mining Technology of Protective Layer Under Long Distance in Pingdingshan Mining Area
平顶山矿区远程下保护层开采技术研究
13.
Mining Protective Coal Seam Scheme and Effect Forecast in Sanjiaohe Mine of Taiyuan Iron and Steel Complex
太钢三交矿井开采保护层方案和效果预测
14.
A research on mine gas inflow regularity during gas extraction in contiguous protective coal seams and gas control
近距离保护层开采瓦斯涌出规律及治理研究
15.
Practice on Mining Extremely Thin Protective Seam of Ⅱ_1 Coal Seam with Drilling Exploit Technology
钻采法在开采崔庙煤矿二_1煤极薄保护层的实践
16.
Research on Rock Structure Evolution Caused by Mining of Protecting Strata and Relieved Methane Drainage;
下保护层开采覆岩结构演化及卸压瓦斯抽放技术研究
17.
Deformation and Permeability Distribution Rule of Overlying Outburst Seam in Exploiting Extra-Thin Protective Seam by Drilling Method and Its Application in Pressure Relief Gas Drainage
极薄保护层钻采上覆突出煤层变形与透气性分布规律及在卸压瓦斯抽采中的应用
18.
Determination on Fracture Condition of Key Stratum Above Full Thick Seam Mining Face
厚煤层整层开采采场上覆关键层断裂条件判定