TY JOUR TI Energy efficiency indicators of a rotary pump when feeding semi-finished fish minced products KW rotifer pump KW minced fish KW highly viscous liquid KW energy efficiency KW hydraulic efficiency JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Ahmedova, N.R. AU Naumov, V.A. PY 2026 IS 2026 PB Astrakhan State Technical University