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Keyword [soft coal]
Result: 141 - 160 | Page: 8 of 9
141. Research On The Evolution Law Of Mining Fissures And Gas Drainage In The Three-soft Coal Seam Of Weibei Coalfield
142. Study On Hydraulic Fracturing Permeability Increasing Technology In Soft Coal Seam Of Dawan Coal Mine
143. Analysis On Mechanical Property Of Metal Mesh In Extremely Soft Coal Roadway
144. Research On Hole Protection Technology Of Recoverable Reusable Screen Pipe In Soft Coal Seam
145. Research On Prestressed Anchor Grouting Reinforcement Technology And Its Application In Surrounding Rock Of Extremely Soft Coal Seam
146. Research On The Drill Pipe Force Transmission Characteristics Of Drilling In Soft Coal Seam
147. Fast Goaf Forming Technology Of Deep Three Soft Coal Seams
148. Study On Dust Prevention Technology By Water Injection In Extremely Soft Coal Seam Of Xin’an Coal Mine
149. Study On The Properties Of Filling Material Reinforcement Of Soft Coal Roadway
150. Study On Support Technology Of Roadway In Three Soft Coal Seams Of Luohuaya Coal Mine
151. Study On Deformation Mechanism Of Surrounding Rock In Typical Three-soft Coal Seams In Huopu Mine
152. Research On The Mechanism Of Drilling Inclination And Gas Drainage Effect Under The Action Of Multiple Factors In The Process Of Rock Fragmentation
153. Study On Overlying Strata Movement Mechanism Of Gob-side Entry Retaining And Entry Retention Measures In Thick Three-soft Coal Seam
154. Research On Mechanical Response Characteristics Of Coal And Rock In Fault Zone Of "three Soft" Coal Seam Under Impact Load And Prevention Technology Of Outburs
155. Research And Application Of Active Support In Three Soft Coal Mining Roadway With Top Coal Disturbed By Hydraulic Cutting
156. Mechanical Characteristics And Experimental Study On The Shape Of The Anchoring End Hole Wall Of The Soft Rock Roadway
157. Study On Deformation Mechanism And Bolt Mesh Shotcrete Combined Support Technology Of "Three-Soft" Coal Seam Roadway In Tianshuibao Coal Mine
158. Research Of Sealing Process Along Cross Hole In Bottom Pumping Alley Of Chaohua Coal Mine
159. Study On Selection Of Supporting Parameters And Process Optimization Of Stoping Roadway In Large Inclined "Three Soft" Coal Seam In Yiluo Coal Mine
160. Mechanism Of Mechanical Properties Of Crushed Soft Coal By Grouting
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