主题词：Water Quality Monitoring and Analysis; TiO2 Photocatalysis and Solar Cells; Catalytic Processes in Materials Science; Advanced oxidation water treatment; Plasma Applications and Diagnostics; Advanced Photocatalysis Techniques; Gas Sensing Nanomaterials and Sensors; Plasma Diagnostics and Applications; Electrochemical Analysis and Applications; Electrohydrodynamics and Fluid Dynamics; Catalysis and Oxidation Reactions; Industrial Gas Emission Control; Nanomaterials for catalytic reactions; Chemical Synthesis and Reactions; Pigment Synthesis and Properties; Pharmaceutical and Antibiotic Environmental Impacts; Catalysis and Hydrodesulfurization Studies; Dye analysis and toxicity; Advanced Nanomaterials in Catalysis; Chemistry and Chemical Engineering; Polyoxometalates: Synthesis and Applications; Analytical chemistry methods development; Environmental remediation with nanomaterials; Aerosol Filtration and Electrostatic Precipitation; Electrocatalysts for Energy Conversion