12.06.2024 y. at 14:30 o'clock Yakubjanova Zukhra Bakhtiyarovna was defended on the topic: «Optimization of the compositions of hybrid additives with a high content of clay and development of technology for the production of composite Portland cements with their application», in the specialty: 02.00.07 – "Chemistry and technology of composite, varnish and rubber materials" (technical sciences) for the degree of Doctor of Philosophy in technical sciences (РhD).