hard roof - Globe Thesis

Keyword [hard roof] Result: 21 - 40 \| Page: 2 of 8
21.	Research On The Gas Emission Characteristics And Key Technology To Control During Initial Mining Period Of Hard Roof And High Gas Fully Mechanized Mining Face
22.	Study On The Effect Of Hard Roof Of Rockburst
23.	Study On Selection Of Roadway Protection Mode And Surrounding Rock Controlling Under Fracture Line Of Thick Hard Roof
24.	Large Mining Height Thick Hard Roof Control Technology
25.	Stability Analysis And Control Technology Research Of Roadway Surrounding Rock Under Stope Roof Affected By Mining
26.	The Research Of Determination Of Offset And Roadway Layout For Close Distance Coal Mining Under Hard Roof
27.	Study On The Control Of Thick And Hard Sandstone Roof Above Fully Mechanized Working Face
28.	Research And Application Of Small Diameter Deep And Shallow Hole-blasting In Working Face With Large Mining Height In Roof Pre-splitting
29.	Deep Hole Loose Blasting Technology Research On Hard Roof In The Mechanized Caving Mining Face
30.	Study On Surrounding Rock Control Technology In Hard Roof And Large Mining Heigh Stope
31.	Technology Reasearch And Application Of Deep Presplit Blasting In Hard Roof
32.	Study On The Control Of Thick And Hard Roof Of Wongawilli Face In Mining Shallow Coal Seam
33.	Research On The Pre-splitting Blasting Weakening Mechanism Of The Hard Roof Under The Deep Environment
34.	Study On Movement Laws Of Hard Roof And Control Technology Of Thick Coal Seam With Large Mining Height
35.	Study On The Law Of Motion And Structure Characteristics Of Wide Range Coal Roof Of The Jurassic And Carboniferous Mining In Datong Mining Area
36.	Study On Mine Pressure Law Of Fully-Mechanized Stope With Large Inclined Angle And Hard Roof In Medium-Thickness Seam
37.	Instability Mechanism And Control Technology Of Dynamic Pressure Roadway In Majialiang Colliery
38.	Research On Cross Uphill Mining Technology Under Hard Roof
39.	Research On Advance Deep Hole Loose Blasting Technology In Coal Seam Thick Hard Roof
40.	Study On Mechanism And Control Technology Of Coal Bump In The Island Workface With Hard Roof
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