09.02.2024 y. at 14:30 o'clock Nigmatova Dilnoza Islomovna was defended on the topic: «Development of technology for obtaining composite polymeric materials and products with specific properties for internal combustion engines», 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).