Affiliation: | 1.Qarun Petroleum Company, 1 Str., No 315, New Maadi, 11728 Maadi, Cairo, Egypt ;2.Department of Green Chemistry, National Research Center, Dokki, Giza, 12622, Egypt ;3.Physics Department, Special Physics Branch, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt ;4.Spectroscopy Department, National Research Centre, El-Buhouth Str., 12622, Dokki, Giza, Egypt ; |