Keyword [material test] Result: 21 - 26 | Page: 2 of 2 21.  Study On The Influence Mechanism Of Floor With Different Sedimentary Combination Structure On Mining Effect In Huaibei Coalfield 22.  Study On Mechanism Of Flood Inrush From Floor Of Structure With Concealed Subsidence Column In Confined Water 23.  Study On Mechanism Of Ground Pressure Disaster And Prevention And Utilization Technology Of Inclined Broken Ore Body In Hemushan Iron Mine 24.  Experimental Research On The Evolution Law Of Ground Pressure In Multi-stope Mining Process Of Deep Orebody 25.  Study On The Migration Law And Reasonable Thickness Of The Covering Layer Transferred From The Open To The Underground In Yanqianshan Iron Mine 26.  Development Of High-speed Scratch Test Method And Device For Single-particle Nano-cutting Depth   <<First  <Prev  Next>  Last>>  Jump to

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