N. V. Andrievskaya - Ph.D. (Eng.), Associate Professor, Perm National Research Polytechnic University. E-mail: nataly-anv@mail.ru
Y. N. Khizhnyakov - Dr.Sci. (Eng.), Professor, Perm National Research Polytechnic University

A.L. Khvalin1, V.M. Doroshenko2

1 National Research Saratov State University (Saratov, Russia)
2 Yuri Gagarin State Technical University (Saratov, Russia)
1 Khvalin63@mail.ru, 2 Dorvalentina9@gmail.com

A.A. Artamonov1, E.N. Bazhanova2, A.I. Cherkasskiy3, T.V. Korenkova4

1−4 National Research Nuclear University MEPhI (Moscow, Russia)
1 aaartamonov@mephi.ru, 2 enbazhanova@mephi.ru, 3 aicherkasskij@mephi.ru, 4 korenkova.tanya@mail.ru