主题词：Mineral Processing and Grinding; Minerals Flotation and Separation Techniques; Coal Properties and Utilization; Coal and Its By-products; Thermochemical Biomass Conversion Processes; Granular flow and fluidized beds; Coal Combustion and Slurry Processing; Cyclone Separators and Fluid Dynamics; Metal Extraction and Bioleaching; Coal and Coke Industries Research; Metallurgical Processes and Thermodynamics; Iron and Steelmaking Processes; Hydrocarbon exploration and reservoir analysis; Recycling and utilization of industrial and municipal waste in materials production; Extraction and Separation Processes; Fluid Dynamics and Mixing; Geoscience and Mining Technology; Belt Conveyor Systems Engineering; Mining and Gasification Technologies; Materials Engineering and Processing; Concrete and Cement Materials Research; Rock Mechanics and Modeling; Petroleum Processing and Analysis; Aerosol Filtration and Electrostatic Precipitation; Erosion and Abrasive Machining