1. Synthesis of ZnO Nanoparticles by Precipitation Method with Their Antibacterial Effect 2. Influences of Temperature on the Conversion of Ammonium Tungstate Pentahydrate to Tungsten Oxide Particles with Controllable Sizes, Crystallinities, and Physical Properties 3. Functionalization of Fe3O4/SiO2 with N-(2-Aminoethyl)-3-aminopropyl for Sorption of [AuCl4]- 4. Hydrothermal Transformat…