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Keyword [Gas drainage borehole]
Result: 21 - 33 | Page: 2 of 2
21.
Study On New Sealing Technology And Reasonable Parameters For Gas Drainage Borehole In Soft Coal Seam
22.
Research On Influence Of Air Leakage Of Gas Drainage Borehole On Gas Extraction
23.
Study On Damage Mechanism Of Heterostructure In Sealing Section Of Gas Drainage Borehole
24.
Research On Turning Technology Of Water Jet In Gas Drainage Borehole
25.
Study On Sealing Technology Of Non Solidified Paste In Large Diameter Drilling
26.
Study On Sealing Characteristic Using New Inorganic Retarded Sealing Material For Gas Drainage Borehole
27.
Experimental Study And Application Of Foam Concrete For Gas Extraction Borehole In Soft Coal Seams
28.
Constitutive Model For Creep Damage Of Coal And Rocks Around Bored Holes In Water-containing Gas Drainage
29.
Study On The Influence Mechanism Of Gas Drainage Concentration In Bedding Boreholes And Its Control Optimization
30.
Research On Multi-channel Sealing Device And Sealing Technology For Gas Drainage Borehole In Underground Coal Mines
31.
Study On Optimal Layout Of High Level Gas Drainage Drilling In Goaf Of High Gas Working Face
32.
Technology And Application On Grouting And Plugging Of Gas Drainage Borehole In Coal Seam
33.
"Three Soft" Outburst Coal Seam Gas Drainage Hole Deflection Law And Engineering Application
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