soft coal seam - Globe Thesis

Keyword [soft coal seam] Result: 21 - 40 \| Page: 2 of 5
21.	Study On Mine Pressure Characteristics And Surrounding Rock Control Of Steeply Dipping Soft Thick Seam Fully Mechanized Mining
22.	Research On Underground Pressure Behavior And Coal Wall Strengthening Technology Of Topple Mining Of Island Working Face With Large Angle In Soft Coal Seam
23.	Study On Mechanism And Controlling Of Borehole Collapse In Soft Coal Seam
24.	Research On The Overlying Strata Movement And Regulations Of Top Coal Drawing In Steeply Inclined Three-soft Coal Seam With Longwall Top-coal Caving Mining
25.	Study On Soft Coal Seam With Great Mining Height And Surrounding Rock Control Under The Complex Geological Conditions
26.	Research On Mine Pressure Law And Surrounding Rock Control Of Mining Height Face In Soam In Zhaozhuang Coalmine
27.	Study On Mechanism And Control Technology Of Rib Spalling In Fully Mechanized Caving Face With Great Mining Height Of Three-soft Coal Seam
28.	Research On Technology Of Surrounding Rock Controlling In Three-soft-coal Seam Drifting Along Goaf
29.	Research On Gas Extraction Technology Of Low Permeability And Soft Coal Seam
30.	Technology Research On Through Rock Blasting In Long-hole To Improve Permeability In Regional Bands Of Soft Coal Seam
31.	Distribution Characteristics Of Abutment Pressure In Front Of Coal Face In The Soft Coal Seam And Its Surrounding Rock Control
32.	Study On Support Technology Of Gob-side Entry For Steep Three Soft Coal Seam
33.	Research On The Technology Of Supporting In Extra-thick And Soft Coal Seam Tunnel
34.	Research On Instability Mechanism For Sealing Segment Of Boreholes And Reinforcing Dynamic Sealing Techniques
35.	Research On Analysis Of The Narrow Coal Pillar Stability And Its Surrounding Rock Controlling In Three-soft-coal Seam Drifting Along Goaf
36.	Study On Strata Pressure Characteristics Of The Interbedded Rocks And The Anchor Scheme In Soft Coal
37.	Study On Mechanism Of Borehole Collapse And Improvement Measures Of Gas Drainage Borehole In Soft Coal Seam
38.	Mechanical Mechanism Of Drilling Rod Sticking In Outburst Soft Coal Seam
39.	The Research On A Total Length Of Screen Guard And Hole Sealing Technology With Pressure In Soft Coal Seam
40.	Study On Bolting Support Of Three-soft Coal Seam Roadway In Sliding Structure Zone In Gaocheng Coal Mine
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