List of Articles Open Access Article Abstract Page Full-Text 1 - Investigation of Thermal Behavior of Inter Penetrating Polymer Network (I.P.N) between N-vinyl Pirrolydon-Vinyl Sulfonic acid Hydrogels Amir Sepehrianazar Anahita Noie Open Access Article Abstract Page Full-Text 2 - Review on Basics of Solid Waste Engineering and Management Mehrab Fallahi-Samberan Samaneh Khodadadi Open Access Article Abstract Page Full-Text 3 - Phytochemical study of the Medicinal plant extract of (Rosa Canina L.) collected from Meshkin-shahr vegetation area and its antibacterial effect on common oral and dental bacteria. Hojjat Eghbal Mehdi Ahmadi Sabegh Open Access Article Abstract Page Full-Text 4 - Evaluation of Anti-Bacterial Activity of Lavandula angustifalia Alcoholic and Aquatic Extracts on some Pathogenic Bacteria. Mehdi Ghiami rad alireza lotfi Open Access Article Abstract Page Full-Text 5 - Interaction of mathematical chemistry and environment Younes Karimi Fardinpour Open Access Article Abstract Page Full-Text 6 - An overview of the factors influencing the drying up of Lake Urmia and its related consequences (factors influencing the drying up of Lake Urmia) Ahmad Asl hashemi