hard coal seam - Globe Thesis

Keyword [hard coal seam] Result: 1 - 16 \| Page: 1 of 1
1.	Research On The Mechanism Of Rock Burst Occurring In "Three Hard" Coal Seam Of Datong Coal Mining Area
2.	Study Of Pre-cracking Hard Coal By Water Infusion In Sub-level Caving Mining
3.	Studies Of Mechanism Using Hydranlic Fracturing To Prevent And Control Of Coal Barsts Caused By Malti-seam Mining Interaction
4.	Law And Control Of Rockburst In Coal Pillar Under The Condition Of Special Thick And Hard Coal Seam In Hujiahe Coal Mine
5.	The Research On Mechanism And Mitigation Of The Coal Bump Under The Situation With Hard Coal Body And Strong Roof
6.	Research On Improving Recovery Rate Of Fully Mechanized Caving Face Under Hard Roof In First Coal Mine Of Pingshuo Company
7.	Application Study Of Deep Borehole Loose Blasting Through Strata In The Two₁ Coal Seam Of No.2 Coal Mine Of Zhaogu
8.	Study On Mechanism And Application Of Hydraulic Fracturing In Hard Coal Seam
9.	Study On Weakening Mechanism And Engineering Application Of Deep-Hole Blasting In Hard Coal Seam In Fully Mechanized Top Coal Caving Mining
10.	Mechanism And Application Of High Pressure Gas Presplitting Detonation On Coal Rock Fracturing
11.	Relationship Of Structural Coupling Between Hydraulic Roof Supports And Surrounding Rock In Extra-thick And Hard Coal Seam With Super-large Mining Height And Longwall Top Coal Caving Method
12.	Study On Roof Control Of 6m Large Mining Height Longwall Face In Shallow Buried Hard Roof And Hard Thick Coal Seam Face
13.	Study On The Impact Mechanism And Prevention Technology Of Mining With Layered Caving In Extra Thick And Hard Coal Seam
14.	Research On Optimization Of Coal Pillars In Section Of Fully Mechanized Mining Face In Near Shallow Buried Thick Bedrock "Three Hard" Coal Seams
15.	Design Of Coal Breaking Experimental System Combined With High Pressure Water Presplitting And Picks And Research On Crushing Performance
16.	Research And Application Of Top Coal Pre-cracking Technology In Fully Mechanized Top Coal Caving Mining And Hard Coal Seam
<<First <Prev Next> Last>> Jump to