14.09.2022 у. Shodiev Abbos Nemat ugli was defended on the topic: "Improvement of the technology for the complex processing of calcined molybdenum middlings by the soda-sorption method", in the specialties: 05.02.01 – "Materials science in mechanical engineering. Foundry. Heat treatment and processing of metals under pressure. Metallurgy of ferrous, non-ferrous and rare metals" for the degree of doctor of technical science (DSc).