List of Articles نیتروژن آمونیومی Open Access Article Abstract Page Full-Text 1 - Removal of ammonium nitrogen and orthophosphate from urban wastewater by stabilized microalgae cells Daryush Arabian Peyvand Amiri Open Access Article Abstract Page Full-Text 2 - Effect of different NH4+/NH4+ + NO3- ratios on some qualitative and quantitative characteristics of fruit in Gala and Golab Kohanz Esfahan apple cultivars Salim Mohammad Sokri Mesbah Babalar Hosein Lesani Mohammad Ali Asgari