00699naa#a2200205#i#450# EN\\bibl\53149 20241125021245.1 2073-5529 20220928b2022####ek#y0engy0150####ca ENG RU Influence of liquid food products viscosity on lobe pump performance (case of pumping fish oil) Journal article Astrakhan Astrakhan State Technical University 2022 7 с. Journal article local Оборудование. Приборы. 664.3.032 ENG Ahmedova Natal'ya Ravilovna Levicheva Oksana Igorevna Naumov Vladimir Arkadievich vestnik.astu.org