فهرست مقالات Bimetallic catalysts preparation دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - The influence of alumina used as a support on the catalytic properties of Pt/Sn/Al2O3 systems in the dehydrogenation of isobutane Sedigheh Vaezifar hossein Faghihian Mehdi kamali