16.01.2024 y. at 14:00 o'clock Abdurazаkov Mirzoxid Abdurakhmankhodjayevich was defended on the topic: «Development of technology for obtaining fine powders from waste rubbers and effective compositions of composite materials based on them for asphalt concrete road surfaces», 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).