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Keyword [mining of extra-thick coal seam]
Result: 1 - 9 | Page: 1 of 1
1.
Key Technologies And Practice On The Intensive Mining Of Extra-thick Coal Seam Under Water-rich Roofs And Thick Overburden
2.
The Study On The Width And Stability Of Coal Pillar For Roadway Along Goal In Mining Of Extra Thick Coal Seam
3.
Research On Reasonable Width And Support Technology Of Small Coal Pillar Mechanized Top Caving Mining Of Extra Thick Coal Seam
4.
Study On Evolution Of Overlying Cracks And Gas Migration In Layered Mining Of Extra-thick Coal Seam
5.
Study On The Dynamic Evolution Characteristics Of Overburden Separation Layer And The Prevention And Control Of Water Damage In The Separation Layer In The Mining Of Extra Thick Coal Seam
6.
Research On Evolution Law Of Crack Field In Overlying Strata In Layered Mining Of Extra-thick Coal Seam And Prevention And Control Technology Of Coal Leftover Spontaneous Combustion In Goaf
7.
Research On The Law Of Breaking The Top Plate Of Thick Sandstone In Comprehensive Mining Of Extra-thick Coal Seam
8.
Research On Overburden Movement And Fracture Field Evolution Under The Coal Pillar In 8309 Working Face Of Tongxin Mine
9.
Research On Application And Evolution Law Of Pressure Relief Gas Reservoir In Fully Mechanized Caving Mining Of Extra-thick Coal Seam
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