List of Articles Open Access Article Abstract Page Full-Text 1 - Density Functional Theory studies of heterocyclic compounds furan and pyrrole Leili Rahimi Zahra Javanshir Open Access Article Abstract Page Full-Text 2 - Iron and Manganese in Drinking Water: A Review of Sources, Types, Standards, Health and Environmental Effects and Removal Methods Mohammad Safari Ahmad Asl hashemi Mehran Dolatkhah Gholamhossein Safari Open Access Article Abstract Page Full-Text 3 - Investigation of medicinal compounds and analysis of food supplements formulated from cereals Hojjat Eghbal Mehdi Ahmadi Sabegh Open Access Article Abstract Page Full-Text 4 - The formation of Ab Torsh barite deposit, Kerman province, with a view on the geochemistry of rare earth elements and stable isotopes of oxygen and sulfur hossein kalantar hormozi Farhad Ehya ghodratollah rostami paydar sara maliki kheyme sari Open Access Article Abstract Page Full-Text 5 - Application of nanotechnology in renewable energy mojtaba jamiati Open Access Article Abstract Page Full-Text 6 - Investigating the by-products of diazinon removal by using combined ultrasonic method and magnetic Nano catalyst N-TiO2@SiO2@Fe3O4 sead mojtaba hoseini Mehrdad cheraghi saeed Jameh bozorgi Ali shahryari Maryam kiani sadr