?:authorAffiliation
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[\'Department of Physics, Faculty of Science, Suez University, Suez, Egypt. Electronic address: m.khalaf@sci.suezuni.edu.eg.\', \'Ultrasonic Laboratory, National Institute of Standards, Giza, Egypt. Electronic address: Mohamed.afifi@zu.edu.eg.\', \'TardigradeNano, 7 Park Vista, Irvine, CA 92604, USA. Electronic address: vuk21@yahoo.com.\']
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