SEARCH Articles Figures Tables Adiabatic gas liquid contact operations Batch operations contact filtration Batch-contact unit operation Contact transformation perturbation operator Contacting modes operating diagram Continuous-contact operations Continuous-contact operations distillation Continuous-contact operations liquid extraction Continuous-contact operations membrane processes Continuous-contact operations water cooling Fermi Contact operator Gas-Liquid Contact Operations The Quartz Crystal Operating in Contact with a Liquid Variations in contacting pattern—semi-batch operation