主题词：Legal and Regulatory Analysis; Linguistic, Cultural, and Literary Studies; Military Technology and Strategies; Luminescence Properties of Advanced Materials; Lanthanide and Transition Metal Complexes; Solid State Laser Technologies; Photorefractive and Nonlinear Optics; Magnetism in coordination complexes; Spectroscopy and Chemometric Analyses; Pigment Synthesis and Properties; Analytical chemistry methods development; Metal complexes synthesis and properties; Water Quality Monitoring and Analysis; Radioactive element chemistry and processing; Metal-Organic Frameworks: Synthesis and Applications; Heavy Metals in Plants; Analytical Chemistry and Sensors; Inorganic and Organometallic Chemistry; Thermal and Kinetic Analysis; Heavy metals in environment; Polyoxometalates: Synthesis and Applications; Medical Research and Treatments; Laser Material Processing Techniques; Chromium effects and bioremediation; Gold and Silver Nanoparticles Synthesis and Applications