The present invention relates to a piezoelectric ceramic transformer down new structure and preparation methods. It uses the input and output of a series arrangement of the electrical resonance of the piezoelectric ceramics, the low voltage at the output terminal and the output electric power to obt.....
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The present invention provides a three-dimensional ultrasonic inspection method comprising the steps of: determining the location of interest and fixed; customize the overall three-dimensional coordinate system; the ultrasonic probe is moved to the site of interest and to be scanned to capture freeh.....
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The utility model relates to a combination bunch grilling oven, which comprises a baseboard that is provided with the square grids; a side board that is provided with a round ventilation hole, a retaining plate and a retaining foot; wherein the left and the right sides of the baseboard and the retai.....
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