List of Articles Open Access Article Abstract Page Full-Text 1 - A review on environmental applications of polymer hydrogels and their composites Mehrab Fallahi-Samberan Samaneh Khodadadi Open Access Article Abstract Page Full-Text 2 - Investigation of quantity and quality of water in Saqqez Swimming pool Ahmad Asl hashemi Open Access Article Abstract Page Full-Text 3 - Risk assessment of Ilam gas refinery using Job Safety Analysis (JSA) method and its modeling in PHA-pro software reza hajimohammdi alireza eyvazzadeh arash hatami Open Access Article Abstract Page Full-Text 4 - Performance evaluation of biodegradable films in food packaging zohreh Ghazi tabatabaei Mahsa Akbarinejad Vaighan leila mohammadpoor Open Access Article Abstract Page Full-Text 5 - Phytochemical investigation of the extract of Astragalus tragacantha collected from the vegetative areas of Meshkin Shahr and its antimicrobial effects on some common oral and dental bacteria Hojjat Eghbal Mehdi Ahmadi Sabegh Open Access Article Abstract Page Full-Text 6 - Investigation of the behavior of infiltrating hydrogels in the I.P.N polymer network by N-vinyl pyrrolidone and vinyl sulfonic acid at different ion intensities for insulin uptake zohre pilehvarzade