主题词：Material Properties and Applications; Advanced Theoretical and Applied Studies in Material Sciences and Geometry; Mining and Gasification Technologies; Inorganic and Organometallic Chemistry; Industrial Engineering and Technologies; Adsorption, diffusion, and thermodynamic properties of materials; Polymer Science and Applications; Synthesis and Characterization of Heterocyclic Compounds; Chemical Thermodynamics and Molecular Structure; Environmental and Industrial Safety; Extraction and Separation Processes; Free Radicals and Antioxidants; Coal and Coke Industries Research; Analytical Chemistry and Chromatography; Synthesis and biological activity; Thermal and Kinetic Analysis; Polymer Synthesis and Characterization; Porphyrin and Phthalocyanine Chemistry; Coal Combustion and Slurry Processing; Catalysis and Hydrodesulfurization Studies; Petroleum Processing and Analysis; Plasma Applications and Diagnostics; Metal Extraction and Bioleaching; Synthesis and Reactions of Organic Compounds; Engineering Technology and Methodologies