主题词：Mining and Gasification Technologies; Metal Extraction and Bioleaching; Industrial Engineering and Technologies; Extraction and Separation Processes; Geotechnical and Geomechanical Engineering; Engineering and Environmental Studies; Iron and Steelmaking Processes; Material Properties and Applications; Minerals Flotation and Separation Techniques; Metallurgical Processes and Thermodynamics; Innovations in Concrete and Construction Materials; Recycling and utilization of industrial and municipal waste in materials production; Mining Techniques and Economics; Concrete and Cement Materials Research; Mineral Processing and Grinding; Coal and Coke Industries Research; Bauxite Residue and Utilization; Magnesium Oxide Properties and Applications; Diverse Industrial Engineering Technologies; Recycling and Waste Management Techniques; Phosphorus and nutrient management; Oil and Gas Production Techniques; Adsorption and biosorption for pollutant removal; Metal and Thin Film Mechanics; Radioactive element chemistry and processing