权威例句
Valveless liquid microswitchA valveless diffuser/nozzle-based fluid pumpMiniature valveless ultrasonic pumps and mixersGlaucoma implant with valveless flow biasValveless pumping using traversing vapor bubbles in microchannelsA PMMA valveless micropump using electromagnetic actuationMicromachined flat-walled valveless diffuser pumpsReagent-loaded cartridges for valveless and automated fluid delivery in microfluidic devices.Electroosmotic Pumping and Valveless Control of Fluid Flow within a Manifold of Capillaries on a Glass ChipA simple, valveless microfluidic sample preparation device for extraction and amplification of DNA from nanoliter-volume samples.