List of Articles آب. Open Access Article Abstract Page Full-Text 1 - Simultaneous Removal of Copper And Lead Metal Ions From Polluted Water Using Polymer Membrane Modified With Amorphous Silica Nanoparticles Bahareh Kamyabmoghadas Nadia Tamimi Open Access Article Abstract Page Full-Text 2 - Investigation of arsenic removal methods from drinking water with emphasis on metal nanoparticles (titanium dioxide and zinc oxide) and activated carbon Nastuna Ghanbari Sagharloo Mohammad rabani Lida salimi Hossein Ghafourian Seyed mohammad taghi SadatiPour 10.22034/jest.2021.62932.5489 Open Access Article Abstract Page Full-Text 3 - Doohan Semirom river water quality assessment using NSFWQI water quality index reza rezaei haniyeh nowzari Open Access Article Abstract Page Full-Text 4 - Comparison of the results of changing the approach in water resources management in karkheh basin during the droughts of 2012 and 2014. Aref Vaeli Alireza Manzari Tavakoli Hamdaleh Manzari Tavakoli Open Access Article Abstract Page Full-Text 5 - A fuzzy interval dynamic optimization model development for surface water resources allocation based on ecological and water scarcity factors, the case of Simineh River Basin Prshang Azari Soheil Sobhan Ardakani mehrdad cheraghi بهاره لرستانی Amirreza Goodarzi Open Access Article Abstract Page Full-Text 6 - Studying the architecture of the aqueducts and introducing the aqueducts of Qazvin city shima ahmad saffari