SEARCH Articles Figures Tables Efficiency during Pressure Generation Efficiency, tray pressure Efficiency. 83-85 atmospheric pressure General aspects Flow regimes, liquid holdup, two-phase pressure drop, and wetting efficiency High pressure liquid chromatography various columns, efficiency High pressure pump efficiency High-pressure liquid chromatography column efficiency Relationships between column efficiency, analysis time and back pressure SO2 oxidation efficiency pressure effect Total efficiency according to thermodynamics second law (All inlets) at different pressures