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ultrasonic power transducer,
high frequency ultrasonic transducer
Does ultrasonic harm to human?
The principle of super operation is to use the physical principle of sound waves. The frequency is more than 20000Hz for ultrasound, and the medical ultrasound frequency is 1 ~ 15MHz. The essence of ultrasound is sound waves, that is, mechanical waves,
Therefore, it is not harmed by ionizing radiation, and ultrasound has not been found to have harmed the human body. The range of sound that human ears can accept is from 16 to 20,000 Hz.
When the frequency of sound reaches 25 to 8200 Hz, vibration can be felt. Sounds below 16 Hz are called bass, and those above 20,000 Hz are ultrasound When the ultrasonic wave propagates in the medium, the particles of the medium reciprocate near its equilibrium position, which causes a sparse and dense change in the rhythm of the medium. This sparse change forms a pressure change, Can produce a fine massage effect on human tissue cells.
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