19.11.2024 y. at 14:30 o'clock Shotmonov Davronbek Samarbekovich was defended on the topic: «Development of effective composite polymer materials and coatings to protect the working bodies of agricultural machinery from corrosion», 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).