TY JOUR TI Experimental study of the spherical nozzles hydraulic characteristics for mass transfer devices KW heat and mass transfer processes KW mass transfer KW hydraulic resistance of the packing layer KW irregular nozzle KW spherical hollow nozzle JO Oil and gas technologies and environmental safety AU Svirina, S.. AU Titova, L.. AU Maksimenko, Y.. PY 2024 IS 2024 PB Astrakhan State Technical University