Font Size: a A A
Keyword [coal seams]
Result: 121 - 140 | Page: 7 of 10
121. Study On Caving Method Ascending Mining Of Closed Distance Thin And Thick Seams
122. Research On Gas Drainage Of Crossing-Mesure By Expanding Borehole Diameter In Low Gas Permeability Coal Seams
123. Numerical Simulation Of Pre-splitting Blasting Crack Propagation Law In Low Permeability Coal Seams
124. The Technology Research On Fully Mechanized Mining Of Ultra-thin Coal Seam In Huangsha Mine
125. Study On The Coal And Gas Outburst Mechanism And Warning Of Close Coal Seams
126. Mining Method To Short Distance And Large Thickness Coal Seams Intashan Coal Mine Of State Development&Investment Corporation In Datong City
127. Research On The Roof Disaster And Its Control Technique During Full Zone Mining In Ultra Close Coal Seams By Similar Simulation
128. The Research On Rule Of CH4/CO2Seepage-adsorption-desorption And CO2Displacement CH4by Injecting CO2in Residual Coal Seams Under The Thermo-mechanical Action
129. Research On Geologic Controlling Factors Of Coal And Gas Outburst Of D Group Coal Seams In Pingdingshan Mining Area
130. The Computing Method Of Permeability Of Radial Gas Flow In Coal Seams
131. Research On The Deformation And Destruction Law Of Overlying Strata Of Solid Waste Compacted Backfill-mining In Coal Seams With The Condition Of Thick Unconsolidated Layers And Thin Bedrock
132. The Influence Of Deep Coal Short Distance Coal Seam Mining To Overlying Roadway Stability Research
133. Study On The Movement Of Upper Strata And The Pressure Behavior Law Of Close Distance Coal Seams
134. Research Of Adsorption Model Under High Temperature And Pressure Coupling On Deep Coal Seam
135. Gas Migration Rule And Its Application In The Fully Mechanized Mining Face Gob Of Close Distance Coal Seams
136. Study On The Anomaly Mechanism Of Strata Behavior Of Fully Mechanized Faces With Super-Large Mining Height In Shallow Coal Seam
137. Study On Surrounding Rock Deformation Mechanism And Reinforced Support Techniques For The Roadway Under Multiple Disturbance Of Deep Coal Seams Mining
138. Study On The Influence Of Key Stratum Breakage By Hilly And Gully Terrain In The Shallow Coal Seams Face
139. Research On Dynamical Mechanism Of Shallow And Closed Distance Coal Seams Mining Locating At Sublevel Of Room And Pillars Goaf
140. Research On Determination Of Spontaneous Combustion Three Zones Of Near-Neighbored Coal Seams Complex Goaf In Mei-Yukou Coal Mine
  <<First  <Prev  Next>  Last>>  Jump to