extra-thick coal seam - Globe Thesis

Keyword [extra-thick coal seam] Result: 61 - 80 \| Page: 4 of 5
61.	Research On Dynamic Instability And Regulation Of Steeply Dipping And Extra-thick Coal Rock Mass
62.	Risk Assessment Of Rock Burst In Steeply Inclined Coal Seam
63.	Investigation And Research On Pressure Reduction And Permeability Enhancement And Protective Effect Of Upper Protective Layer Mining On Lower Extra Thick Coal Seam
64.	Study On Gas Control Technology Of Fully Mechanized Caving Face With Hard Roof In Extra-thick Coal Seam
65.	Study On Migration Characteristics Of Key Strata Of Overburden And Its Influence On Mine Pressure In Extra Thick Coal Seam Mining
66.	Research On Stability And Support Technology Of Coal Pillar Along Gob-side Roadway Of Fully Mechanized Caving Face In Extra-thick Coal Seam
67.	Study On Strong Rock Pressure Behavior Mechanism And Pressure Relief Control Of Gob-side Entry In Caojiatan Mine With Extra Thick Coal Seam
68.	Overburden And Surface Movement Due To High Efficient Mining Extra-thick Coal Seam And Prediction Method
69.	Research On Overlying Rock Structure And Near-far Roof Control Technology In Extra Thick Coal Seam
70.	Study On Stability Of Surrounding Rock Of Roadway Next Goaf With Small Pillar In Tashan Coal Mine Fully Mechanized Caving Face
71.	Deformation Mechanism And Its Control Of Roadway Surrounding Rock Under Intensive Mining In Extra-thick Coal Seams At 10 Million Fully-mechanized Top Caving Faces
72.	Study On Roadway Layout And Support Technology Of Fully Mechanized Mining Under Extra Thick Soft Coal Seam
73.	Research On Reasonable Width And Support Technology Of Small Coal Pillar Mechanized Top Caving Mining Of Extra Thick Coal Seam
74.	Research On Impact Mechanism Of Extra-Thick Coal Seam And Anti-Scouring Design Of Narrow Coal Pillar
75.	Evaluation On Safety Of Preventing And Controlling Water Before Mining In Extra-thick Coal Seam Of 61303 Working Face
76.	Study On Deformation And Failure Depth Of Mining Floor In Extra-Thick Coal Seam Of Datong Mining Area
77.	Research On Deformation And Control Of Overlying Strata In Coordinated Filling Mining Of Short-walled Extra-thick Coal Seam Under Main Aquifer
78.	Study On Disaster Inducing Factors And Mechanism Of Impact Rock Burst In Extra Thick Coal Seam In Fold Structural Area
79.	Study On Upward Slicing And Paste Filling Mining Technology Of Impact Coal Seam In Xinhe Coal Mine
80.	Study On Evolution Law Of Mine Earthquake Under Different Mining Methods In Large Dip Angle And Extra Thick Coal Seam Of Huayan Coalfield
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