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What are the applications of ultrasound
Latest company news about What are the applications of ultrasound

(1) Engineering applications: underwater positioning and communication, underground resource exploration, etc.
(2) Biological applications: shearing of macromolecules, bioengineering and seed processing, etc.
(3) Application in diagnostics: Type A, Type B, Type M, Type D, dual-function and color Doppler ultrasound, etc.
(4) Application in therapeutics: physiotherapy, cancer treatment, surgery, extracorporeal lithotripsy, dentistry, etc.


Ultrasonic is a sound wave with a frequency higher than 20000 Hz. It has good directivity, strong penetrating ability, easy to obtain concentrated sound energy, and spreads long in water. It can be used for distance measurement, speed measurement, cleaning, welding, and gravel. , Sterilization, etc. There are many applications in medicine, military, industry, and agriculture. Ultrasound gets its name because its lower frequency limit is greater than the upper limit of human hearing.


Scientists call the number of vibrations per second the frequency of sound, and its unit is hertz (Hz). The frequency of sound waves that our human ears can hear is 20Hz-20000Hz. Therefore, we call sound waves with a frequency higher than 20000 Hz as "ultrasound." The ultrasonic frequency usually used for medical diagnosis is 1 MHz-30 MHz.


Theoretical studies have shown that under the same amplitude conditions, the energy of an object’s vibration is proportional to the vibration frequency. When ultrasonic waves propagate in the medium, the medium particle vibrates at a high frequency, so the energy is very large. In the dry winter in northern China, if Pass the ultrasonic wave into the water tank, the violent vibration will break the water in the tank into many small droplets, and then use a small fan to blow the droplets into the room to increase the indoor air humidity. This is the principle of the ultrasonic humidifier.

Pub Time : 2021-02-22 10:01:39 >> News list
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