主题词：Advanced Polymer Synthesis and Characterization; Synthesis and properties of polymers; Conducting polymers and applications; biodegradable polymer synthesis and properties; Hydrogels: synthesis, properties, applications; Diverse Scientific and Economic Studies; Human auditory perception and evaluation; Polymer composites and self-healing; Adsorption and biosorption for pollutant removal; Advanced Sensor and Energy Harvesting Materials; Analytical chemistry methods development; Polymer Surface Interaction Studies; Epoxy Resin Curing Processes; Electrospun Nanofibers in Biomedical Applications; Silicone and Siloxane Chemistry; Chemical Synthesis and Characterization; Extraction and Separation Processes; Analytical Chemistry and Sensors; Educational Robotics and Engineering; Radioactive element chemistry and processing; Photopolymerization techniques and applications; Covalent Organic Framework Applications; Analytical Chemistry and Chromatography; Synthetic Organic Chemistry Methods; Fuel Cells and Related Materials