A thermally actuated microfluidic relay valve Abstract: This work demonstrates a new 2-stage valving concept for microfluidic systems based on polydimethylsiloxane (PDMS) that uses the reversible ...

A look into the exhaust gas recirculation, or EGR, valve - an important piece of the automotive emissions system.

Air can enter water pipelines in several ways, often from dissolved air coming out of solution due to pressure fluctuations, ...

Fontaine AA, Heinrich RS, Walker PG, Pedersen EM, Scheidegger MB, Boesiger P, Walton SP, Yoganathan AP. Comparison of magnetic resonance imaging and Laser Doppler Anemometry velocity measurements ...

Objective To evaluate the changes in transvalvular gradients and the incidence of valve haemodynamic deterioration (VHD) following transcatheter aortic valve replacement (TAVR), according to use of ...