S.D. Velikanov - Dr.Sc. (Phys.-Math.), Professor, Head of Integrated Research Department, Federal State Unitary Enterprise RFNC-VNIIEF, ILFI, Integrated Scientific Research Department 1321. E-mail: velikanov@otd13.vniief.ru N.А. Zaretsky - Head of Research Department, Federal State Unitary Enterprise RFNC-VNIIEF, ILFI, Scientific Research Department 1321. E-mail: zaretsky@otd13.vniief.ru R.V. Porubov - Junior Research Scientist, Federal State Unitary Enterprise RFNC-VNIIEF, ILFI, Scientific Research Department 1321. E-mail: rom-porubov@yandex.ru V.V. Shurov - Ph.D. (Phys.-Math.), Leading Research Scientist, Federal State Unitary Enterprise RFNC-VNIIEF, ILFI, Scientific Research Department 1321. E-mail: shurov@otd13.vniief.ru