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2018-12-03 09:10:05
فيزياء حيوية
Ultrasound is deep-heating form and more depth-efficient than infrared lamps and lasers, but its depth effectiveness is limited. The most commonly frequency used are 1 MHz (wavelength 1.5 mm) and 3 MHz (wavelength 0.5 mm). The velocity of ultrasound in water and tissues of high water ...
إقراء المزيد