the aim of this study was to investigate the effect of organizational structure on job involvement of employees of sport and youth general offices through the mediating role of psychological empowerment. the population involved all employees of sport and youth general offices of kerman (n=50) and yazd (n=45) provinces. given the small statistical population, whole employees were selected as the...

supported catalysts synthesized via the interaction of mg(oet)2 with ticl4 in the presence or absence of an internal stereoregulating donor (di-n-butyl phthalate), with different solvents (chlorobenzene, n-undecane, n-heptane) at different titanation temperatures have been studied by a set of physicochemical methods. data on the chemical composition, x-ray structure and pore structure of these ...