s- numbers and a spectrum of integral operators : extended abstract concerning this dissertation for submission for the academic degree of doctor of philosophy / Ukhman, Alexandr Vasil`evich` ... – Astana : [N. p.], 2010. - 20 p. . – Bibliogr.: p. 15-16, p. 18 . – 100 c. – не указан : [N. p.]
Structure of free dual Leibniz algebras : abstract of the dissertation for competition of academic degree of PhD / Naurazbekova, Altyngul Serikovna ... – Astana : [N. p.], 2010. - 16, [4] p. . – Bibiliogr.: 13-16 p. . – 80 c. – не указан : [N. p.]
Study of operating regimes of hybrid thermal energy storage system [[Text]] : dis. ... Dr. of Philosophy (PhD) : 6D060300 / B. Akhmetov ; Scientific supervisors: M. S. Tungatarova, A. Georgiev ; Al-Farabi Kazakh National University. –
– Almaty : [s. n.], 2018. – electronic text data, 1 electronic optical disk (CD-ROM). ).
The aim of the study to study the operating regimes of the hybrid thermal energy storage based on the borehole thermal energy storage (BTES) system as a seasonal storage, and the short term storage (STS) filled with phase change materials
thermal properties of surface layers, mathematical analysis, line source model, ambient temperatures, transfer processes of borehole thermal energy storage system, operating regimes of hybrid thermal energy storage, experimental studies of the phase change materials