Dy
.X-rays, frequency range 1016 - 1022 Hz wavelength between 10-8 - 10-13 meters. Which can be through the barrier thickness. The principle to create X-rays. Change the speed of electron.In the industry used in the detection of cracks in metal parts large. Used to detect firearms or explosives in a suitcase. And to study the arrangement of atoms in crystal
.
การแปล กรุณารอสักครู่..
