Tursunov Bekzod Akbar ugli 05.09.05 Doctor of Philosophical (PhD) technical sciences dissertation on the topic “Producing of effective compositions of ultra-light concrete based on multi-component cements” in the specialty Protection “Construction materials and products” will be held on December 22 2022 at 10:00 am at the meeting of the Academic Council under the number DSc.26/30.12.2019.T.11.01 at the Tashkent Institute of  Architecture and Civil Engineering.