The present invention provides a measurement of the length of the pile of soil nailing and quality, the method comprising the steps of: sensing a plurality of optical fiber sensors; the sensing fiber embedded in the measured axial pile or soil nails, where the sensing arrangement of the optical fibe.....
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Step-up transformer and the piezoelectric ceramic preparation methods, using the input and output terminals a series arrangement of the mechanical resonance of the piezoelectric ceramics in the boost output terminal and to obtain a high electric power conversion efficiency. Co-fired with integrated .....
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A feeling rehabilitation detector for evaluation and training as a stroke or brain damage and loss of consciousness of the patient, comprising: a housing, the housing is provided with an upper surface arranged in a predetermined pattern of a plurality of through holes; positioning pin module, which .....
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The invention provides a wireless ultrasonic scanning system which comprises an ultrasonic sensor, a motor, an ultrasonic transceiver, a high-speed data sampling module, a machine controller and a total control module; wherein the ultrasonic sensor arranged on the motor can move according to the con.....
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Ultrasonic welding apparatus comprises a sensor ultrasonic welding apparatus and an ultrasonic transducer shaped piezoelectric material between the sensor output of at least two different welding parameters to measure, in order to select the output signal of the welding Parameters have a better sign.....
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