List of Articles UV Rays Open Access Article Abstract Page Full-Text 1 - Optimizing the Factors of Color Concentration, pH and the Amount of Nanoparticles in Removal of R198 Reactive Dye under UV Rays by Zinc Oxide Nanoparticles Extracted from Leaching Residue of Zinc Melting Factory S. S. Gojrati M. Hajisafari M. M. Khosravirad