List of Articles Open Access Article Abstract Page Full-Text 1 - Use of activated carbon powder in activated sludge technology to investigate the effect of wastewater treatment Petrochemical industry on a laboratory scale for water purification محمد رضا فرشادی روحالله مختاران جواد احدیان Open Access Article Abstract Page Full-Text 2 - Crack analysis related to the stability of gravity and concrete dams using CADAM software (Case study: Dez regulatory dam) علی بهشتی حسن کیامنش Open Access Article Abstract Page Full-Text 3 - Simulating rice grain yield and nitrogen uptake under irrigation and nitrogen managment آذین نصرالله زاده Open Access Article Abstract Page Full-Text 4 - Temperature and Precipitation Changes in Meteorological Stations of Khuzestan Province سعید پاکدل نرگس ظهرابی Open Access Article Abstract Page Full-Text 5 - Physical productivity and volume of water Calculation used in sugar beet cultivation and its effect on groundwater in drought conditions of Kuhdasht city of Iran منوجهر دانش زاد یداله یوسفی فرد مریم قربانی Open Access Article Abstract Page Full-Text 6 - Evaluation of Almond and Walnut tree species drip irrigation system by mathematical model رضا صالحی سینا عطارروشن رمضانعلی پوررستمی سیامک کاتبی فر