the ability of boards to perform their roles depends largely on their composition. board composition refers to the number of directors and type of members as determined by the usual insider or outsider classification. several empirical studies in other country have concluded that board composition determines a board’s power as an instrument of corporate control and contributes to company perfor...

Stripper columns are used for sweetening crude oil, and they must hold product hydrogen sulfide content as near the set points as possible in the faces of upsets. Since product    quality cannot be measured easily and economically online, the control of product quality is often achieved by maintaining a suitable tray temperature near its set point. Tray temperature control method, however, is n...

Dialysis refers to the procedure of removing waste products and excess fluids from blood stream. This is main form treatment for both acute chronic renal failure. The need hemodialysis process optimization increasing. More than 10% adults are affected by kidney disease, it nineth leading cause deaths worldwide. Critically ill patients particularly at risk, their mortality significantly procedur...