Viscosity characteristics compositions based on PAA, PVS and NA-CMS Muxtar Amonov, Shoira Shodiyeva, Rano Ismatova and Bakhtiyor Ganiev E3S Web of Conf., 389 (2023) 01021 Published online: 31 May 2023 DOI: 10.1051/e3sconf/202338901021