coal seam - Globe Thesis

Keyword [coal seam] Result: 21 - 40 \| Page: 2 of 10
21.	Study On Discriminating Model Of Water-preserved-mining Base On The Method Of Probability And Integral On The Condition Of The Shallow Coal Seam
22.	Mechanism And Application Researches On Fracture Propagation Of Deep-hole Pre-splitting Blasting In Coal Seam
23.	Study On The Control Theory And Technology By Injecting Liquid And Freezing Of The Coal And Gas Outburst During Uncovering Coal Seam In Cross-Cut
24.	The Research And Application Of Anchor Net Support Engineering In Steep And Horizontal Lamination Mining Roadway
25.	Research On The Optimized Selection Of Thin Coal Seam Mining Method And The Optimization Of Mining Face Length
26.	Research On Failure Mechanism And Application Of Surrounding Rock About Thin Bedrock Coal Seam With Threat Of Waterinrush
27.	Study On Mechanism And Characteristics Laws Of Displacement Coalbed Methane By Underground Gas Injection
28.	A Study On The Law Of Rock Movement And Soil Variation In Mining Of Coal Seams Of Thick Loess And Thin Bedrock
29.	The Research On Surface Subsidence Due To Mining Horizontal Slice Of Extra-thick And Steep Coal Seam
30.	Research On Theory Of Slotting And Enhancing Permeability By High Pressure Rotational Jetting In Low Permeability Coal Seam And Its Appliation
31.	Theories And Tests Of Stereo Gas Drainage For Outburst Prevention Under Closed Distance Seam Group With Protection Layer Mining
32.	Study On Protection Scope And Effect Factors In Exploiting Steep Under-Protection Layer
33.	Research On The Mechanism Of Rock Burst Occurring In "Three Hard" Coal Seam Of Datong Coal Mining Area
34.	Mechanism And Engineering Practice On Mutual Response Between Underground Mining Of Shallow Coal Seam And Protection Of Fragile Ecological Environment
35.	Study On The Scope Of The "Three Zones" Of Gas Pressure Relief And Extraction In Coal Seam Group Mining
36.	Study On Surrounding Rock Stability And Control Of Deep Roadway In Thick Coal Seam Under The Action Of Tectonic Stress
37.	Failure Characteristics And Water-inrush Mechanism Of An Inclined Coal Seam Floor
38.	For Any Dip Angle And Integrated Mining Subsidence Calculation Model Research
39.	Cooperative Control Of Gas Disaster During Mining Of Thin And Short Distance Upper Protective Coal Seam In Deep Coal Mine
40.	Research Of Mechanism And Controlling Technology Of Floor Burst In Coal Seam Roadway
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