Document Type : Research Paper
Authors
1 Sama Technical and Vocatinal Training College, Islamic Azad University, Kermanshah Branch, Kermanshah, P.O. Box 671791-7855, Iran.
2 Department of Chemistry, Imam Hossein University, Tehran, P.O. Box 16575-416, Iran
3 Department of Chemistry, Tehran North Branch, Islamic Azad University, Tehran, P.O .Box 191367-4711, Iran.
Abstract
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