28.03.2023 y. at 11:00 o'clock Sabirova Ozoda Shermakhamadovna was defended on the topic: «Development of effective composite polymer, paint and varnish materials and coatings with reduced internal stress and technology for their production», in the specialty: 02.00.07 – "Chemistry and technology of composite, varnish and rubber materials" and 05.02.01 - "Materials science in mechanical engineering. Foundry production. Heat treatment and pressure treatment of metals" (technical sciences) for the degree of Doctor of Philosophy in technical sciences (РhD).