In this paper, a quasi-spherical PVDF airborne ultrasonic transducer for three-dimensional (3D) ultrasonic location systems is designed and fabricated using two strips of cylindrical PVDF film. The 3D ...

State Key Laboratory of Polymer Physics and Chemistry and State Key Laboratory of Rare Earth Resources Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, ...

Following a tough season on and off the table, Ronnie O'Sullivan has unveiled his decision to dive into the world of social media, although one clip already appears to have been removed ...

Abstract: Equivalent circuit analysis of a rectangular double-reentrant cavity of klystron with circular cylindrical ferrule operating in the fundamental TM110 mode was developed for obtaining the ...

Stand at least a foot away from the mirror. Once again, place your right ear so that it points to the east. Light from your right ear bounces off the curved mirror and enters your eyes from the west.