Hydraulic resistances experimental and field studies of supply canals and pumping stations structuresBakhtiyor Uralov, Marina Li, Eshmatboy Qalqonov, Zokhidjon Ishankulov, Makhfuz Akhmadi and Lyudmila MaksudovaE3S Web Conf., 264 (2021) 03075DOI: https://doi.org/10.1051/e3sconf/202126403075