الفهرس 
acknowledgmentOnly 14 pages are availabe for public view
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Abstract
The author would like to express her sincere gratitude to professor Dr. Radamis B. Fahim, Professor of physical chemistry at Minia University, for suggestion of the problem, his continual interest, valuable and helpful advice and for the discussions which grately facilitated and clarified many of the difficulties met during the accomplishment of this thesis.
The author also wishes to express her profound gartitude to Dr. Rabee M. Gabr lecturer of physical chemistry at Assiut University for his wise guidance, continual help fruitful directions and encouragement during the course of this work.
The author also is much indepted to Hohamed E. Zaki assistant lecturer at Minia University for continual and kind co-operation.