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Keyword [coal seams]
Result: 81 - 100 | Page: 5 of 10
81. Study On Roadway Layout&Supporting In Ultra-Close Distance Coal Seams Mining Of Zhong Xing Mine
82. Research On Coal Damage Characteristics And Gas Migration Law Of Coal Containing Gas
83. Strata Behavior Of Ultra-close-multiple Coal Seams Undergob In Fully Mechanized Caving Face And Its Control
84. Study On Control Technology For Spontaneous Combustion In Goaf Of Simultaneous Production In Close Distance Coal Seams
85. Mechanism And Prevention And Control Of Rockburst In Extra Thick Coal Seams Under Super Thick Conglomerate Stratum
86. Study On The Movement Of Upper Strata And The Pressure Behavior Law Of Close Distance Coal Seams
87. Application Of Multiple-Borehole Hydraulic Fracturing Method To Control Crack Propagation In Underground Coal Mines
88. Development Laws And Control Of Overlying Strata Water Flowing Fractures In Repeated Disturbance Zone Of Shallowly-buried Short-distance Coal Seams
89. Key Techniques Of Multi-coal Seams Mining Under Condition Of Adopting Blast Casting
90. Rockburst Prevention Mechanism Of And Experimental Research On Ultra-high Pressure Fixed-point Hydraulic Fracturing In Coal Seams
91. Mine Pressure Behavior During The Combined Mining Of Thin Coal Seams In Close Distance In Baoxin Coal Mine
92. Research And Its Application On Repeaded Mine Strata Pressure Law In The Old Mining Area Of Thick Coal Seams
93. Research On Strata Pressure Behavior Law And Control Technology Of Multiple Coal Seams Overlap Mining In Datong Mining Area
94. Research And Engineering Application Of Hydrogen Sulfide Treatment By Injecting Lye Into Coal Seam In Tiexin Coal Mine
95. Study On Rockburst Of Wudong Near-vertical Coal Seams And Impact Protection With Constant Resistance And Large Deformation Supporting
96. Principle And Application Of Rockburst Control By Weakening Static And Dynamic Loading Using Top-coal Caving In The Mining Of Thick Coal Seams
97. Study Of Gas Extraction Methods Of High-methane Coalseam And Its Application In Xingqian Coalmine
98. Research On The Working Face Of Broken Roof Control Technology Under The Gob In Splitting And Merging Coal Seams
99. The Floor Failure Research On Thick Coal Seam Mining Above Pressurized Water
100. Study On The Hydraulic Flushing Borehole In The Coal Seams Of Mine Influence
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