02/25/2021 passed the defense of the dissertation work by Azizbek Shamsiddinovich NASRIDDINOV on the topic: DEVELOPMENT OF EFFECTIVE COMPOSITIONS OF COMPOSITE POLYMER MATERIALS AND OBTAINING MACHINE-BUILDING ANTI-CORROSIVE COATINGS " in the specialties: 02.00.07 - Chemistry and technology of composite, paint and varnish and rubber materials (technical sciences), 05.02.01 - Materials science in mechanical engineering. Foundry. Heat treatment and metal pressure treatment. Metallurgy of ferrous, non-ferrous and rare metals. Technology of radioactive, rare and noble elements (technical sciences)