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Keyword [hard overburden]
Result: 1 - 4 | Page: 1 of 1
1.
Study On The Inrush Mechanism Of The Water In Bed Separation Due To Repeated Coal Mining Under Hard Rock
2.
Risk Prediction And Evaluation Of Bed-separation Water Inrush Caused By Breakage Of Hard Overburden
3.
Study On Hard Overburden Weakening And Crack Arrest And Water Control Of Deep Jurassic Coal Seams
4.
Study On The Mechanism Of Impact Pressure Weakening By Fluidised Slurry Filling Of Gangue In The Off-set Zone Of Hongqinghe Coal Mine
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