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Keyword [soft coal]
Result: 81 - 100 | Page: 5 of 9
81. Mechanism And Control Technology Of Floor Heave For God-side Entry Retaining Of Three Soft Coal Seam In Deep Coal Mine With Large Section
82. Experimental Study On The Effect Of Water Injection On The Mechanical Properties Of Soft Coal Consolidation
83. Study On Mechanism And Technology Of ECBM By Gas-injection Via Gas Drainage Hole In Da-ping Coal Mine
84. Research On Creep Characteristics Of Gas Extraction Borehole In Soft Coal Seam
85. Research On Instability Characteristics Of Borehole In Soft Coal Seam Under Fluid Solid Stress Coupling Effect
86. Influence Of Coal Structure On Difference Of Gas Irradiation Rules Between Soft Coal And Hard Coal
87. Research On The Stability Control Of Support And Surrounding Rock System In Fully-mechanized Top Caving Face With Steeply Inclined Soft Coal Seam Under Roof Water Leakage
88. Research On Roadway Deformation Regular And Supporting Upon Three Soft Coal Seam Of No.1 Dananhu Coal Mine
89. Study On The Application And Low-index Outburst Mechanism Of Heading Face Of Soft Coal Seam In Western Henan Province
90. Deep Soft Coal And Rock Roadway Deformation Law Of Creep And Numerical Simulation
91. Study On Fracture Field And Gas Flow Field In "Three Soft" Coal Seam
92. Study On Stability And Optimal Arrangement Of Boreholes Drilled By 1000m Drilling Machine For Gas Extraction In Yuwu Coal Mine Tunneling Faces
93. Study On Movement Law Of Surrounding Coal-rock In The Stope Of Steep And Extra-thick Soft Coal Seam
94. Study On Gob-side Entry Driving In Three Soft Coal Seam And Fully Mechanized Caving In Xindeng Coal Mine
95. "Three Soft" Coal Seam Mining Protective Layer Underlying The Coal Gas Coupling Model And Its Application
96. Study On Fracture Evolution Law Of Underground Coaland Rock Under Protective Layer Mining In "Three Soft" Coal Seam
97. A Model For Hydraulic Fracturing In Soft Coal Seams By Elastic–plastic Softening Damage
98. Research On Key Technology Of Tunnel Drilling Rig In Soft Coal Seam
99. Research On Technology Of Drilling Tools And Hole Formation In Soft Coal Seam
100. Study On The Size Of Yield Pillar And Technique Of Surrounding Rock Control In Guocun Coal Mine
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