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Technology and Equipment of Horizontal Measuring Directional Drilling in Underground Coal Mine
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2013(3)
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Tracing Design and Control Technology of Directional Dilling Borehole in Underground Mine
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2013(3)
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Study and Application of Mine Measuring Device with Drilling Based on External Electric Power Supply
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2013(3)
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Research and Development on Drilling Measuring System of Directional Drilling in Underground Mine
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2013(3)
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Study on Sintering Process of Casing Type PDC Bit for Directional Drilling
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2013(3)
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Research and Development on Drilling Pipe Matched for Horizontal Directional Drilling in Underground Mine
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2013(3)
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Development and Application of ZDY Series Crawler Mode Directional Drilling Rig
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2013(3)
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Measurement of Loosing Circle in Surrounding Rock of Gateway Based on Technology of Geological Radar Detection
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2013(3)
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Study on Pre- Stressed Coordinated Support Technology of Deep Mine Roadway
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2013(3)
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Construction Grouting Reinforcement Technology of High Roof Falling Zone in Mine Inclined Shaft Under Condition of Plateau Permafrost
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2013(3)
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Study on Frozen Pressure Measurement of UItra Thick Clay Stratum
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2013(3)
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Study on Mine Strata Pressure Behavior Law of Coal Mining Face in Ultra Contiguous seam with Shallow Depth
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2013(3)
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Seam Inclination Affected to Evolution Law of Mining Cracks
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2013(3)
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Study on Mining and Caving Ratio of Fully Mechanized Top Coal Caving Mining Face Affected to Top Coal Recovery Rate
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2013(3)
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Study on Penetration Features of Coal Rejects During Constant Load Deformation Test Process
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2013(3)
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Study on Goaf Air Leakage Measurement and Modeling of 3D Gas Drainage System
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2013(3)
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Study on Gas Pressure Measuring Technology with Downward Borehole Drilling Through Aquifer
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2013(3)
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Early Warning Technology of Gas Emission Features and Application
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2013(3)
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Technology and Equipment of Screen Pipe Protected Borehole of Gas Drainage in Soft Seam
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2013(3)
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Study on Pressure Released Gas Control Technology of Upper Protective Seam Mining
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2013(3)
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Evaluation on Influence Factors of Comprehensive Filtration Lost Coefficient in Coal Bed Methane Fracturing
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2013(3)
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Study on Reconstituted Coal Damage Features During Unloading Process
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2013(3)
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Design of Monitoring and Control Software and Simulation of Air Pressure Distribution for Automatic Pressure Balance System
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2013(3)
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Design on Simulation Test Rig of Rock Breaking with Rolling Cutter of Mine Raise Boring Machine
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2013(3)
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Design and Optimization on Simulation System of Mine CO2 Open Loop Cycle Refrigeration
2013(3)
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Simulation Study on Support Performances of High Cutting Shield Type Hydraulic Powered Support
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2013(3)
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Algorithm and Realization on Spreading Route Formation of Mine Water Inrush
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2013(3)
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Study on Comprehensive Features of Sphere Hidden Dangers Under Electric Excitation of Large Fixed Power Site Building
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2013(3)
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Study on Parameters Calculation Accuracy of Surface Ground Movement Improved with Helmert Variance Estimation Method
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2013(3)
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Study on Features Comparison and Mechanism of Methane Adsorbed by Coal Before and After Solvent Extraction
2013(3)
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Different Chemical Pre-Treatment Affected to Pore Structure Features of Shenfu Fine Coal
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2013(3)
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Mining Subsidence Affected to Soil Volume Weight and Water Infiltration Law of Different Vegetation Type
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2013(3)
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