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Keyword [Soft coal]
Result: 161 - 172 | Page: 9 of 9
161.
Research On Dust Removal Technology Of Dry Directional Drilling In Crushed Soft Coal Seam
162.
Comparative Experimental Study And Application Of The Influence Of Blasting Borehole Horizon On Antireflection Effect
163.
Study On Gas Drainage Technology Of Long Borehole Staged Hydraulic Fracturing In Underground Roof Of Broken And Soft Coal Seam
164.
Study On Mechanism And Parameteroptimization Of Breaking Coal By Water Jet
165.
Study On Surrounding Rock Stability Control Technology Of Mining Roadway In Three Soft Coal Seams
166.
Study On Application Of Mechanical Sublevel Caving Technology In Coal Seam Permeability Improvement In Licun Mine
167.
Study On Fast Excavation Technology Of Anchor Net Support In ’Three Soft’ Extra Thick Coal Seam In Jiaojiazhai
168.
Deformation Mechanism And Control Technology Of Surrounding Rock In Mining Roadway Of Soft Coal Seam In Fuyan Coal Mine
169.
Study On The Creep Instability Mechanism And Control Technology Of Soft Coal Roadway In Quandian Coal Mine
170.
Study On The Deformation Mechanism And Reinforcement Technology Of The Surrounding Rock In The Gateway Of The Three Soft Coal Seams In Tianshuipu Coal Mine
171.
Deformation And Failure Characteristics And Control Technology Of Extra-thick Soft Coal Tunneling
172.
Study On Reasonable Borehole Diameter And Stability Of Gas Drainage Boreholes In Soft Coal Seams
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