主题词：Geotechnical and Geomechanical Engineering; Mining and Gasification Technologies; Engineering and Environmental Studies; Industrial Engineering and Technologies; Mining Techniques and Economics; Geological Studies and Exploration; Coal and Coke Industries Research; Mineral Processing and Grinding; Tunneling and Rock Mechanics; Drilling and Well Engineering; Metal Extraction and Bioleaching; Geochemistry and Geologic Mapping; Geomechanics and Mining Engineering; Hydrocarbon exploration and reservoir analysis; Minerals Flotation and Separation Techniques; Engineering Technology and Methodologies; Coal Properties and Utilization; Marine and environmental studies; Methane Hydrates and Related Phenomena; Electric Power Systems and Control; Belt Conveyor Systems Engineering; Global Energy Security and Policy; Geological Modeling and Analysis; Engineering Diagnostics and Reliability; Rock Mechanics and Modeling