L. K. Tastanova
Aktobe Regional University named after K. Zhubanov
Kazakhstan

Lazzat Knashevna Tastanova – candidate of chemical sciences, professor of the oil and gas department

030000, Republic of Kazakhstan, Aktobe, Moldagulova street, 34 

A. Z. Bekeshev
Aktobe Regional University named after K. Zhubanov
Kazakhstan

Amirbek Zarlykovich Bekeshev – Candidate of Physical and Mathematical Sciences, Associate Professor of the Department of Physics 

030000, Republic of Kazakhstan, Aktobe, Moldagulova street, 34 

A. S. Mostovoy
Saratov State Technical University named after Y. Gagarin
Russian Federation

Anton Stanislavovich Mostovoy – candidate of technical sciences, head of the department of natural and mathematical sciences, master of science, head of the laboratory «Modern methods of research of functional materials and systems»

 410054, Russia, Saratov, Politekhnicheskaya Street, 77 

R. O. Orynbasar
Aktobe Regional University named after K. Zhubanov
Kazakhstan

Raigul Orynbassarovna Orynbassar – Candidate of Chemical Sciences, Associate Professor of the Oil and Gas Department 

 030000, Republic of Kazakhstan, Aktobe, Moldagulova street, 34