主题词：Legal and Regulatory Analysis; Linguistic, Cultural, and Literary Studies; Military Technology and Strategies; Hydrocarbon exploration and reservoir analysis; Petroleum Processing and Analysis; Geological Studies and Exploration; Coal and Coke Industries Research; Geochemistry and Geologic Mapping; Mining and Gasification Technologies; Coal Properties and Utilization; Industrial Engineering and Technologies; Coal and Its By-products; Engineering Diagnostics and Reliability; Thermochemical Biomass Conversion Processes; Hydraulic Fracturing and Reservoir Analysis; Advanced Power Generation Technologies; Coal Combustion and Slurry Processing; Atmospheric and Environmental Gas Dynamics; Global Energy and Sustainability Research; Oil and Gas Production Techniques; Engineering and Environmental Studies; Mineral Processing and Grinding; Mining Techniques and Economics; Global Energy Security and Policy; Geological and Geophysical Studies