A5100647265- Thermochemical Biomass Conversion Processes
- Iron and Steelmaking Processes
- Geoscience and Mining Technology
- Geomechanics and Mining Engineering
- Rock Mechanics and Modeling
- Petroleum Processing and Analysis
- Catalysis and Hydrodesulfurization Studies
- Coal Properties and Utilization
- Zeolite Catalysis and Synthesis
- Coal Combustion and Slurry Processing
- Coal and Coke Industries Research
- Grouting, Rheology, and Soil Mechanics
- Civil and Geotechnical Engineering Research
- Hydrocarbon exploration and reservoir analysis
- Catalysis for Biomass Conversion
- Reservoir Engineering and Simulation Methods
- Mineral Processing and Grinding
- Advanced Decision-Making Techniques
- Agricultural Engineering and Mechanization
- Gait Recognition and Analysis
- Fire Detection and Safety Systems
- Cyclone Separators and Fluid Dynamics
- Machine Learning and ELM
- Catalysis and Oxidation Reactions
- Catalysts for Methane Reforming
Ministry of Natural Resources
2017-2025
Northwestern Polytechnical University
2020
Liaoning Normal University
2010
In situ underground pyrolysis of tar-rich coal is significant for alleviating the scarcity oil and gas resources realizing green efficient development utilization in China. Tar-rich often subjected to high axial pressure, surrounding pore pressure environment. Consequently, laboratory simulation conditions are difficult meet actual needs. This paper conducts a thermodynamic study characteristics under an Typical functions coal, including standard enthalpy formation, formation Gibbs free...
Abstract The Inner Mongolia Suture Zone (IMSZ) in the North China Craton is an important component of Colombia‐forming orogen, and its southern may have preserved deformation relics ancient orogen front due to being prolonged buried beneath Ordos Basin. Here we used high‐resolution seismic profiles Basin U‐Pb zircon age data from borehole basement samples discover existence wedge tectonics consisting thrust belt ramp structure within fingerprint markedly different ages on both sides Thrust...
The coal in front of mining face presents strain softening deformation characteristics. An analytical model is proposed to simulate the abutment pressure distribution over under elastic and inelastic conditions. A new theoretical formula derived calculate its width regions limit equilibrium condition. influences UCS, residual strength, height, modulus angle on are discussed. study results show that, (1) stress gradient plastic area larger than crushed zone; (2) region independent peak...
Setting up a waterproof coal pillar is an important measure to prevent water inrush from the Weibei mining through fault floor. Based on plastic slip line field theory, mechanical model of floor induced by confined in zone was established. The expressions pressure and width under state limit equilibrium were derived. Combining laws deformation, failure activation two kinds width, safety determined. Furthermore, threshold better than empirical value mentioned “coal mine regulations.”...
The co-effect of solvent swelling and metal loading on coal pyrolysis was investigated through statistical analysis machine learning. distributions properties products, the parameters were all considered. 22 targets screened out by variance (ANOVA). Both liner non-linear regression models constructed in which ratio atomic descriptors collected from handbooks taken as inputs while target values outputs. symbolic transformation (ST) algorithm involved to assemble a new feature model built...
Disaster water sources in underground coal seam always danger mining safety. The current electromagnetic methods are not effective to detect the disaster due noise interference generated by large metal equipment. To address this problem, direct resistivity method is proposed seams. relationship between distribution and faults was investigated, we found that a low indicates source. verify method, both numerical simulations field test have been carried out analysis results show can be used...
Tar-rich coal contains more hydrogen-rich structures such as aliphatic side chains and bridge bonds, which is a good raw material for to oil. In-situ underground pyrolysis of tar-rich has significant advantages environmental friendliness high safety factor; it an efficient utilization technology. Due the influence geological structure other factors in formation process, seam was often heterogeneous, generally accompanied by gangue interlayers. being relatively dense poor thermal...
Abstract In order to meet the engineering requirements of non-contact measurement impact load and realize intelligent identification its characteristic parameters, this paper attempts establish a method analyze learn audio characteristics generated by accidental loads, such as explosion, identify in reverse. The method, which is based on energy conservation, momentum conservation strokes law, used p-norm mathematics extract basic load, frequency analysis find inevitable connection between...