axially asymmetric flow

asymentric vortices flow

Asymmetric longitudinal flow

asymmetric vortex flow

asymmetric vortical flow

CBF(①cerebral blood flow ②clinical blood flow-meter)

coupling of channel flow with seepage flow

downward flow-upward flow

flow field-flow fractionation

flow patterns of multiphase flow

flow shear force and physicochemistry of flow

flow velocity-flow regime

flow-after-flow test

hollow fiber flow field-flow fractionation

Interface between tip leakage flow and main flow

jet flow-wake flow

Measuring surface flow direction and flow rate

overland flow and channel flow

pipe flow， tube flow