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In this paper, an auto tuning system that uses a variable synchronous switched capacitor for controlling the resonant frequency of the tank circuit of a half bridge voltage mode resonant converter for High intensity focused ultrasound (HIFU) applications is presented. The presented auto tuning system using a switched capacitor instead of a large inductor in the classical tuning topology. Hence, there...
Firstly, this paper analyses the problems existed in the labor market in China; that is: the dual division both in the urban and rural labor markets, the segemantation of the primary labor market and the secondary one and the improper establishment of employment service in the labor market. Secondly, the adverse effects followed by the problems are analysed. Finally, after a comprehensive research...
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