TY JOUR TI IMPROVING THE EFFICIENCY OF PNEUMATIC MIXING DEVICES KW mixing KW bubbling KW gas lift JO Modern Technologies and Scientific and Technological Progress AU Scherbin, S.A. AU Sharifulin, D.I. AU Kolesnichenko, V.A. PY 2023 IS 2023 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»