the administrative system is a means of achieving the goals of political, economic, social and cultural systems of any society. it seems the nature and content of administrative management system affected by the construction and nature of governing system in every society. thus, there is a proactive relationship between these systems. therefore competency-based administrative system is equivale...

Five-zone Simulating Moving Bed (SMB) system, designed for ternary separation, is a modified form of standard four-zone SMB which is only effective in binary separation. It was reported in literature that the five-zone SMB separates the extract-II stream with a lower purity value than that of raffinate and extract-I streams. To address this issue, five zone SMB was designed, using safety ma...