1.
A technical research on the air leakage prevention technology for use in mining shallow and composite coal seams
浅埋藏复合煤层开采漏风防治技术研究
2.
Study and Application on the Technique of Preventing and Extinguishing Spontaneous Combustion Hazards in Mining Compound Seam of Daliuta
大柳塔矿复合煤层开采自燃火灾防治技术的研究与应用
3.
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
4.
Reserving space for lane along the tunnel under the condition of soft coal bed,compound roof supports and protections;
松软煤层复合顶板联合支护 沿空留巷探讨
5.
On compound support for composite roof in gob-side entry in thin coal seams
浅谈薄煤层复合顶板沿空留巷联合支护
6.
Mechanism,prediction and control of "rock burst induced by shock bump" kind dynamic accident in composite thickness coal
复合型厚煤层“震-冲”型动力灾害机理、预测与控制
7.
Research on coal roadway compound roof support with bolt-mesh-anchor
复合顶板煤层巷道锚网索支护技术研究
8.
Application of Combined Supporting Technology of Anchored Bolting Mesh and Metal Support in Coal Seam with Soft Roof , Soft Coal and Soft Floor
“三软”煤层锚网金属支架复合支护技术的应用
9.
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
10.
Research on Strong Composite Supporting Technology in Large Section Chamber in Inflammable Thick Coal Seam
易燃厚煤层大断面硐室强力复合支护技术研究
11.
Mining Field Pressure and Coalbed Gas Seepage Solid-Gas Coupled Study in the Condition of Composite Key Stratum
复合关键层下采场压力及煤层瓦斯渗流耦合规律研究
12.
Technology of coal seam Short-wall water injection to realize dustproof
开展煤层短壁注水 实现煤层综合防尘
13.
The Research on Calculating the Permeability of Coal Seams Combining the Curve of Rising Gas Pressure in the Boreholes
结合钻孔瓦斯压力恢复曲线计算煤层透气性系数的方法研究
14.
Prediction of water inrush from coal seam floor confined based on geo-information composite overlay analysis
基于地学信息复合叠置分析对煤层底板突水的预测
15.
Flyash and Steel Slag Composite Material Test Performance as Flexible Pavement Base
粉煤灰与钢渣复合材料作柔性路面基层试验性能分析
16.
Analysis of the problem of trial-production process of the polyethylene-coated composite pipe for underground coal mine
煤矿井下用聚乙烯涂层复合钢管试制过程问题分析
17.
Research on supporting reinforcement of roadway complex site in thin coal seam joint mining
薄煤层联合开采回采巷道复杂地段支护加固研究
18.
SEEPAGE CHARACTERS OF ROOF AQUIFERS IN FAULTS AND SLIDING STRUCTURE AND RISK ANALYSIS OF WATER INRUSH
断层及滑动构造复合构造区煤层顶板含水层渗流特征及突水危险性分析