List of Articles Retention Time Open Access Article Abstract Page Full-Text 1 - Quantitative structure—retention relationship analysis of nanoparticle compounds H. Noorizadeh A. Farmany Open Access Article Abstract Page Full-Text 2 - Performance Evaluation of Different Biological Filters for Treatment of Nutrients Agricultural Drainage Ali Kianpoor Bahman Yargholi Ahmad Sherafati Keramat Akhavan 10.30495/wsrcj.2022.68807.11318 Open Access Article Abstract Page Full-Text 3 - Effect of retention time and temperature on the efficiency stabilization ponds in treatment of petroleum wastewater Abdollah Dargahi Meghdad Pirsaheb Mohamadtaghi Savadpoor Mortaza Alighadri Mehrdad Farookhi Open Access Article Abstract Page Full-Text 4 - Ammonia removal from effluent using isolated native bacteria from Kermanshah Petrochemical Industries effluent Mehdi Gowdini Hatam Godini Farhad Salimi 10.22034/jest.2017.11068 Open Access Article Abstract Page Full-Text 5 - Fabrication and Evaluation of anaerobic baffle reactor for leachate treatment of Sari province Amin Arvin majid peyravi Mohsen Jahanshahi 10.22034/jest.2017.11076 Open Access Article Abstract Page Full-Text 6 - Effects of Retention Time and Substrate Type on Biogas and Alkalinity Productions from Anaerobic Digestion of Slaughterhouse Wastes Amaneh Salimi Shahnaz Danesh Seyed Hadi Ebrahimi Open Access Article Abstract Page Full-Text 7 - Identification and Comparison of the Extractives Chemical Compounds in Leaves of Planted Eldar Pine and Plane Tree by GC-MS Methods mohammadbagher pashazanosi