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Keyword [soft coal]
Result: 121 - 140 | Page: 7 of 9
121. Study On The Gas Solid Extraction Technology Of Soft Coal Seam In Xiangshan Mine
122. Research On Support Technology Of Large Cross Section Coal Seam Roadway Along Roof And Floor
123. Research On Asymmetric Deformation Mechanism And Control Technology Of Roadway In Inclined Soft Coal Seam
124. Test And Research On Reinforcing The Soft Coal Under Backfill Of Gob-Side Entry By Rotary Jet Grouting Method
125. Study On Support Technology Of Right Angle Trapezoidal Roadway In Slowly Inclined Soft Coal Seam
126. Study On Gas Pre-extraction Technology For Large Diameter And Long Borehole In Xinyuan Mine
127. Experimental Study And Application Of Foam Concrete For Gas Extraction Borehole In Soft Coal Seams
128. Experimental Research On Anti-collapse Support Device For Borehole Mining In Soft Coal Seam
129. Study On Borehole Layout And Gas Drainage Sealing Technology Of Soft Coal
130. Research On Space-time Cooperative Outburst Prevention Technology Of Coal And Gas Co-mining In Over-protective Seam Of Three Soft Coal Seam
131. Physical Model Experimental Study On Deformation Characteristics Of Soft Coal Seam Under Blasting
132. Experimental Study On Mechanism Of CO2 Fracturing And Enhancing Permeability Based On Fractal Theory In Guizhou Soft Coal Seam
133. Study On Mining Effect Laws And Around Rock Control Methods Of Fully-mechanized Sublevel Caving Face Roadways In Guobei Coal Mine
134. Similar Simulation Test Of Induce Coal And Gas Outburst During The Uncovering Tectonic Soft Coal By Crosscut
135. Research On The Dynamic Mechanism Of Three-channel Reverse Circulation Slag Discharge In Soft Coal Seam Drilling Construction
136. Research On Mechanism Of Active Load-bearing Of Arch-beam Coupling In Extra-thick Soft Coal Seam
137. Study On Roadway Layout And Support Technology Of Fully Mechanized Mining Under Extra Thick Soft Coal Seam
138. Research On Stress Response Characteristics And Slagging Law Of Bedding Borehole In Soft Coal Seam
139. Optimization Of Screen Completion Technology In Broken Soft Coal Seams
140. Energy Evolution Law In The Process Of Failure Of Coal And Rock Mass In Fissure Of Soft Coal Seam
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