الفهرس 
Introduction
Definition of glassOnly 14 pages are availabe for public view
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Abstract
The main of this object is to study and characterize the effect of introducing Fe2O3 on the electrical transport properties of some oxide glasses. seven different groups of oxide glasses have been prepared and studied. six of them contain Fe2O3 with different cocentration. the other group contains V2O5 instead of Fe2O3and was investtigated to compare with the corresponding Fe2O3 - cotaining group.