List of Articles Open Access Article Abstract Page Full-Text 1 - Removal of Heavy Metal Ions from Polluted Waters by Using of Hydrogel-based Absorbetnts Mehrab Fallahi-Samberan Tannaz Soltanolzakerin- Sorkhabi Open Access Article Abstract Page Full-Text 2 - Kinetic Study of photocatalytic removal of methylene Blue dye using Ag nanoparticles پروین غربانی Arezu Ghadi Mosavi موسوی Ali Mehrizad Open Access Article Abstract Page Full-Text 3 - Evaluation of the efficiency of halogenated compounds in the rate of late combustion of ABS in order to produce flame retardant grades Behzad Pourhassan Alafi Behnaz Memar Maher Open Access Article Abstract Page Full-Text 4 - Investigation of Drinking Water Quality in Gogan City Open Access Article Abstract Page Full-Text 5 - Investigation of the behavior of hydrogels the polymer network (I.P.N) at different pH by N-vinyl pyrrolidone and vinyl sulfonic acid Open Access Article Abstract Page Full-Text 6 - A Review of The Chitosan- Based Hybrid as Adsorbents for Textile Dyes