Ragimov, R.Sh., Baku State University, Baku, Azerbaijan Rahal, Soufiane , Biomaterials and Transport Phenomena Laboratory (LBMPT), Faculty of technology, University Yahia Fares of Medea, Pole Urbain Medea, Algeria Rahman, Md. Arifur, Dept. of Electrical and Electronic Engineering, First Capital University of Bangladesh, Chuadanga, Bangladesh Rahman, Md. Shakilur, Secondary Standard Dosimetry Laboratory, Bangladesh Atomic Energy Commission, Savar, Dhaka, Bangladesh Rahman, Muktarul, Department of Mathematics, Gauhati University, Guwahati, Assam, India Rahman, Muktarul, Department of Mathematics, Gauhati University, Guwahati, Assam, India Rahmani, A., Laboratory of Physical Chemistry of Materials (LPCM), Faculty of Sciences, University of Amar Telidji, Laghouat, Algeria; Laboratory MONARIS, UMR 8233, Sorbonne Université, Paris, France Rahmani, A., Laboratory of physico-chemistry of materials LPCM, University of Laghouat, Laghouat, Algeria Rai, Dibya Prakash, Department of Physics, Mizoram University, Aizawl, India Rajabov, A.E., Urgench branch of Tashkent University of Information Technologies named after Muhammad al-Khwarizmi Rajabov, Alisher E., Urgench branch of Tashkent University of Information Technologies named after Muhammad al-Khwarizmi, Uzbekistan Rajani, D., Department of Mathematics, Siddhartha Academy of Higher Education, Deeemed to be University, Vijayawada, Andhra Pradesh, India Rajeswari, V. Raja, Department of Electronics and Communication Engineering, School of Engineering and Technology, Sri Padmavathi Mahila Visva Vidyalayam, Tirupati, A.P, India Rajput, Ahmed Ali, Department of Physics, University of Karachi, Karachi, Pakistan Rajput, Ahmed Ali, Department of Physics, University of Karachi, Pakistan Raju, A., Department of Applied Sciences, Symbiosis Institute of Technology, Symbiosis International University, Pune, India Raju, Adigoppula, Department of Applied Sciences, Symbiosis Institute of Technology, Symbiosis International (Deemed University), Pune, India Raju, M. Pruthvi, Department of Mateorology and Oceanography, Andhra University, India Raju, N. Krishna Mohan, Department of Engineering Mathematics and Humanities, SRKR Engineering College (A), Bhimavaram, India Rak, O.L., National Science Center «Kharkiv Institute of Physics and Technology», Kharkiv, Ukraine Rak, O.L., National Science Center «Kharkiv Institute of Physics and Technology», Kharkiv, Ukraine Rakhees, Ali A., Department of Physics, College of Education for pure Science, University of Babylon, Babylon, Iraq Rakhimov, A.A., U.A. Arifov Institute of Ion-Plasma and Laser Technologies, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan Rakhimov, R.G., Namangan State Technical University, Namangan, Uzbekistan Rakhimov, Rustamjon G., Namangan Institute of Engineering and Technology Rakhimov, Rustamjon G., Namangan Institute of Engineering and Technology, Namangan, Uzbekistan Rakhimov, Rustamjon G., Namangan Institute of Engineering and Technology, Namangan, Uzbekistan Rakhmanov, Dilmurod, Institute of Semiconductor Physics and Microelectronics at the National University of Uzbekistan, Tashkent, Uzbekistan Rakhmanov, Dilmurod A., Institute of Semiconductor Physics and Microelectronics at the National University of Uzbekistan, Tashkent, Uzbekistan Rakhmanov, Dilmurod A., Institute of Semiconductor Physics and Microelectronics at the National University of Uzbekistan, Tashkent, Uzbekistan Rakhmanov, Dilmurod A., Institute of Semiconductor Physics and Microelectronics at the National University of Uzbekistan, Tashkent, Uzbekistan Rakhmanov, Ganiboy T., Mirzo Ulugbek National University of Uzbekistan, Republic of Uzbekistan, Tashkent Rakhmanov, Ganiboy T., National University of Uzbekistan named after Mirzo Ulugbek, Tashkent, Uzbekistan Rakhmanova, Shirin, Urgench State University, Uzbekistan Rakhmatov, Akhmad Z., JSC Photon, Tashkent, Uzbekistan Rakhmonov, Tokhirbek I., Fergana Polytechnic Institute, Fergana, Uzbekistan Rakhmonov, Tokhirbek I., Fergana Polytechnic Institute, Fergana, Uzbekistan Rakhmonov, Tokhirbek I., Fergana State Technical University, Fergana, Uzbekistan Rakhmonov, Tokhirbek I., Fergana State Technical University, Fergana, Uzbekistan Ramadhan, Muhammad R., Department of Chemical Engineering, Faculty of Industrial Engineering, UPN Veteran Yogyakarta, Sleman, Indonesia Ramakoti, I. Siva , Centurion University of Technology and Management, Paralakhemundi, Odisha, India Ramalan, A.M., Department of Physics, University of Abuja, Abuja, Nigeria Ramasekhar , Gunisetty , Department of Mathematics, Rajeev Gandhi Memorial College of Engineering and Technology (Autonomous), Nandyal, Andhra Pradesh, India Rambabu, A., Department of Basic Sciences and Humanities, GMR Institute of Technology, Rajam, Andhra Pradesh, India Rambabu, P.V., SRKR Engineering College (A), Bhimavaram, India Ramprasad, Tenneti, Department of Mathematics, Vasavi College of Engineering(A), Hyderabad, India Ramudu, Gattu Venkata, Department of Applied Mathematics, Yogi Vemana University, Kadapa, A.P., India Rani, K. Jhansi, Freshman Engineering Department, Lakireddy Bali Reddy College of Engineering, L.B. Reddy Nagar, Mylavaram, Andhra Pradesh, India Rani, N. Sri Lakshmi Sudha, Department of Applied Mathematics, Andhra University, Visakhapatnam, India; Department of Humanities and Sciences, Teegala Krishna Reddy Engineering College, Hyderabad, India Rani, N. Sri Lakshmi Sudha, Department of Applied Mathematics, College of Science and Technology, Andhra University, Visakhapatnam, India