The characteristics of accompanying structure of the interlayer sliding among the coal seams and the influence to coal mine production
煤系层间滑动伴生构造特征及对煤矿生产的影响
Accumulation Dynamic Mechanism of the Main Coal Seam of the Eocene Guchengzi Formation in Fushun Coalfield
抚顺煤田始新统古城子组主煤层堆积动力学机制研究
Test on passing stone gate actual mining in combined mining thick coal seam.
厚煤层综采跨石门回采的尝试
Application of Dustproof Technology of Coal Seam Water Infusion Adding Permeable Bar.
添加渗透棒煤层注水防尘技术的应用
Factors affected coal seam permeability change and its law is analyzed.
分析了煤层透气性变化的影响因素及变化规律。
low air permeability coal seam
低透气性煤层
Geology Factors of Coal Seam Gas Amass and Controlling Countermeasures.
成庄矿煤层瓦斯积聚的地质因素及防治对策
The authors used the Analytic Hierarchy Process in the researches of coal seam floor waterirruption.
将系统工程中的层次分析法引入煤层底板突水的研究中。
Analytic method and appliction about intersection line of fault and coal seam on the conditions of same dip of fault and coal seam
断层与煤层倾向相同条件下断煤交线的解析求法及应用
Analyzing falling crack failure of overburden strata of shallow coal seam and its control method
浅埋煤层覆岩切落裂缝破坏及控制方法分析
Research on mining technology of combined mining at large inclined angle three soft coal seam
三软煤层大倾角综采回采工艺研究
Study on Angle Parameters of Surface Movement in Flat Coal Seam Mining
近水平煤层开采地表移动角量参数研究
Research and Extracting Status of Large Angle and Large Length Coal Seam in China
我国大倾角、大采长煤层开采研究现状
On Dealing with Gas in Anticline Working Face with Outburst Coal Seam
突出煤层背斜轴部工作面的瓦斯治理
RESEARCH ON CONSTRUCTION TECHNIQUE FOR MAWANGCAO TUNNEL 1 TO CUT ACROSS ANTICLINE AND COAL SEAM
马王槽1号隧道穿越倒转背斜和煤层的施工技术
RESEARCH ON CONSTRUCTION TECHNIQUE FOR MAWANGCAO TUNNEL 1 TO CUT ACROSS ANTICLINE AND COAL SEAM.
马王槽1号隧道穿越倒转背斜和煤层得施工技术
Analysis on Apparent Dip Caving Technology in Steeply Inclined Coal Seam
急倾斜工作面伪俯斜放顶煤工艺探析
The author introduces an effective method to carry out correlation of coal seams by application of sulphur content in coal.
利用煤中硫分进行煤层对比是一种行之有效的辅助方法。
The average UK coal seam is one metre thick.
英国煤层的平均厚度为1米。
Application of air bag support in Taiyuan thin coal seam
气垛支架在太原组薄煤层中的应用
Probe into the Unit Yield Increase of Hard Stone Banding Thin Coal Seam
硬夹矸薄煤层单产提高的探索
The Gaussian curvature of No.3 coal seam in Qinshui basin is calculated.
计算了沁水盆地3号煤层得高斯曲率。
The Analysis of Utmost Bedrock Ply at Thin Bedrock and Thick Surface Soil Coal Seam Mining
薄基岩厚表土煤层开采的极限基岩厚度分析
shallow coal seam with thin bedrock
薄基岩浅埋煤层
Numerical Analysis on Movement Rule of Overlying Strata of Shallow Coal Seam Covered with Thin Bedrock.
浅埋煤层开采覆岩移动规律数值分析
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