On July 29, 2022, at 14.00, the dissertation work of Olim Kholikulovich Eshkobilov was defended on the topic: "Methodological foundations for studying the antifriction properties of machine-building composite polymer materials and the technology for obtaining coatings that work in interaction with raw cotton", in the specialty: 02.00.07 - Chemistry and technology of composite, paint and rubber materials (technical sciences) and 05.02.01 - Materials science in mechanical engineering. Foundry. Heat treatment and pressure treatment of metals. Metallurgy of ferrous, non-ferrous and rare metals. (technical sciences) for the degree of Doctor of Science (DSс).