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Zahra Derakhshan,Mohammad Hassan Ehrampoush,Amir Hossein Mahvi,Mansooreh Dehghani,Mohammad Faramarzian,Mohammad Taghi Ghaneian,Mehdi Mokhtari,Ali Asghar Ebrahimi,Hossein Fallah Zadeh 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.67 No.-
The present study examined a moving bed biofilm reactor (MBBR) bioreactor on a laboratory scale for simultaneous removal of atrazine, organic carbon, and nutrients from wastewater. The maximum removal efficiency of atrazine, chemical oxygen demand (COD), total phosphorus (TP) and total nitrogen (TN) were 83.57%, 90.36%, 90.74% and 87.93 respectively. Increasing salinity up to 40 g/L NaCl in influent flow could inhibit atrazine biodegradation process strongly in the MBBR reactor.Results showed that MBBR is so suitable process for efficiently biodegrading of atrazine and nitrogen removal process was based on the simultaneous nitrification-denitrification (SND) process.
Mohammad Amin Bahrami,Mohammad Mehdi Kiani,Raziye Montazeralfaraj,Hossein Fallah Zadeh,Morteza Mohammad Zadeh 질병관리본부 2016 Osong Public Health and Research Persptectives Vol.7 No.3
Objectives: Organizational learning is defined as creating, absorbing, retaining, transferring, and application of knowledge within an organization. This article aims to examine the mediating role of organizational learning in the relationship of organizational intelligence and organizational agility. Methods: This analytical and cross-sectional study was conducted in 2015 at four teaching hospitals of Yazd city, Iran. A total of 370 administrative and medical staff contributed to the study. We used stratified-random method for sampling. Required data were gathered using three valid questionnaires including Alberkht (2003) organizational intelligence, Neefe (2001) organizational learning, and Sharifi and Zhang (1999) organizational agility questionnaires. Data analysis was done through R and SPSS 18 statistical software. Results: The results showed that organizational learning acts as a mediator in the relationship of organizational intelligence and organizational agility (path coefficient = 0.943). Also, organizational learning has a statistical relationship with organizational agility (path coefficient = 0.382). Conclusion: Our findings suggest that the improvement of organizational learning abilities can affect an organization’s agility which is crucial for its survival.