hard roof - Globe Thesis

Keyword [hard roof] Result: 1 - 20 \| Page: 1 of 8
1.	Research And Control Of Hard Roof Of Common Mining Work Face
2.	Study Of Mechanics Of Water-Infusion Softening Method In Hard Roof
3.	The Theoretical Study On Cyclone Disaster Caused By Stope Roof Falling Over Great Extent
4.	Study On The Reasonable Retainning Of The Waterproof Coal Pillar Of Steep Medium & Thick Coal Seam With Hard Roof
5.	Study Of Mechanics Of Water Pressure Action In Hard Roof
6.	Study On Key Technologies Of Reasonable Mining In The Condition Of Soft Coal, Thick-hard Roof And Contiguous Seams
7.	The Research Of Goaf Gas Emission Law About Hard Roof Comprehensive Mechanized Coal Mining Face
8.	Study On The Fracture Laws And Controlling Of Thick And Hard Roof
9.	Research On Hard Roof Control Of Coal Sean 15 Stope In Sihe No.2 Coalmine
10.	Relationship Between Gas Emission And Periodic Weighting Of Coal Face With Hard Roof
11.	Active Relieving Control Of Hard Roof Over Gob-side Entry Retaining In1100m Deep Mine
12.	Study On Strata Behavior Regularity Of Fully Mechanized Face In Hard Roof
13.	The Study Of Law Of Stope Pressure Before And After The Hard And Thick Roof Is Weakened
14.	Research On Stope Pressure Regularity And Surrounding Rock Control Technology Of Hard Roof
15.	Research On Laws Of Underground Pressure Of Hard Roof In Fully-mechanized Face Of Chenghe Wangcun Inclined Shaft Working Face Of No.10Coal Seam
16.	Stydy On Forced Roof Caving And Underground Pressure Regularity Of Double Hard Limestone Roof
17.	Research And Application On The Technology Of Precasting Large Concrete Block Gob-side Entry Retaining Under Hard Roof Conditions
18.	Experimental Study On Deformation And Failure Characteristics Of Abnormity Roadway Within Steep Soft Coal Seam With Hard Roof
19.	Research On The Characteristic And Control Technology Of Rock Burst Under The Condition Of Deep Mining And Hard Roof
20.	The Theory And Practice Research On Deep Hole Pre-split Blasting Of Open-off Cut Of Fully Mechanized Caving Face
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