Object Details inventor Van Deren, G. W. Description This model was filed with the application to the U.S. Patent Office for Patent Number 29,642 issued to G.W. Van Deren of Bigflats, New York on ...

PV diagram can reflect the real-time thermodynamic state of reciprocating compressor and show its ability to do work, which is an effective means to study the in-service performance of reciprocating ...

Introduction In non-elderly adults, aortic valve replacement (AVR) with conventional prostheses yield poor long-term outcomes. Recent publications suggest a benefit of the Ross procedure over ...