Document Type : Original Article
Authors
1 Department of Chemistry, Faculty of Science, Al - Azhar University, Cairo, Eg ypt
2 Polymeric Materials Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research & Technological Applications (SRTA - City), New Borg Al - Arab City, 21934 Alexandria, Egyp
3 Physics Department, Fac ul ty of Science, Al - Azhar University, Cairo, Egypt
Abstract
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