http://www.howstuffworks.com/ultrasound.htmIllustrated narrative takes you inside the ultrasound machine and shows you how this technique is used to look inside you.Ultrasound can help doctors look inside a patient's body to see everything from heart valves to a moving baby. Find out how ultrasound works, what type of ultrasound techniques are available and what each technique can be used for.
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Nondestructive Material Testing with Ultrasonics
- Introduction to the Basic Principles -
1. Why use ultrasonics for nondestructive material testing?
2. Ultrasonic testing tasks
3. Detection of discontinuities
4.1 The ultrasonic flaw detector
4.4 Refraction and mode conversion
4.5
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5-micro-meter resolution measurement by non contact system in the air; RS-232 interface; Thickness, Deviation, Distance, Level of any kind of material.
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Institute of Applied Physics
you focus ultrasonic waves into water,
tiny bubbles will be produced, forming a fractal structure and
sound by themselves. This is a cavitation field being produced by a
symmetric sound field of approximately 23 kHz.
field from acoustic cavitation in a cylinder. The
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