Inclined extra-thick coal seam, Mining-induced fracture, Fractal dimension, Gas migration and enrichment region, Gas extraction
Hydrogen safety, Low temperature, Premixed flame, Flame propagation, Flame instability
Coal, Spontaneous imbibition, Nuclear magnetic resonance, Capillary, Dynamic model, Water blocking effects
hydrogen, Utility tunnel, Dispersion, Machine learning, risk assessment
Hydrogen, Utility tunnel, Dispersion, Machine Learning, Risk assessment
Pulsed fracturing, Permeability, Orthogonal experiment, Main control factors, Liquid CO₂
Hydrogen energy, Hydrogen monitoring, Flammability, Dynamic flammability
Gas extraction borehole instability, Dynamic negative pressure attenuation, Local resistance characteristics, Instability types
coal, water seepage, low-field nuclear magnetic resonance, coal seam water injection, Water injection effect evaluation
