1.
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
2.
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
3.
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
4.
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
5.
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
6.
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
7.
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
8.
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
9.
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
10.
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
11.
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
12.
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
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.
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
17.
Groundwater Exploitation and Ecological Environment Protection in Weigan River Basin, Xinjiang, P.R. China;
新疆渭干河流域地下水开采—生态环境保护研究
18.
Coating/ winding method are usually used for protecting.
地下管线的保护通常采用涂层系统或缠绕系统的方法。