03.11.2021 y. at 11:00 Nеgmatov Jakhongir son of Nasir was defended on the topic: «Development of an effective technology for the production of composite chemical flotation reagents-foamers and their use in the flotation process for the extraction of copper concentrates», in the specialties: 02.00.07 – Chemistry and technology of composite, paint and varnish andrubber materials. 05.02.01–Materials science in mechanical engineering.Foundry production. Heat treatment and handling of metals pressure. Metallurgyof ferrous, non-ferrous and rare metals. Technology of non-ferrous, precious and radiactiv metals (materials science and metallurgy) for the degree of Doctor of Philosophy in technical sciences (РhD).
