The distinct feature of a gate valve is the sealing surfaces between the gate and seats are planar. The gate faces can form a wedge shape or they can be parallel. Typical gate valves should never be ...

“We have realistically reproduced the huge shaft, epic-scale pressure-regulating tank, drainage pump equipment, and other features of the Metropolitan Area Outer Underground Discharge Channel ...

Changes in left ventricular (LV) diastolic pressure after transcatheter aortic valve replacement (TAVR) or their relationship with subsequent outcomes remain poorly clarified. Accordingly, we aimed to ...