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Top 20 Directory:
Top : Science : Technology : Acoustics,_Ultrasound_and_Vibration : Ultrasound
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  		• Software@
  		• Acoustic Material Property Tables@
  		• Acoustical Holography
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  		• Sonochemistry
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  		• Ultrasonic Motors
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    See Also:
    Sites:
  		• Acoustic Cavitation: TU Darmstadt (Germany)
  		• Acoustical Standards: Acoustical Society of America
  		• BAE Systems (USA): Technical reference development and research data concerning acoustical imaging.
  		• How Stuff Works: How Ultrasound Works: Illustrated narrative takes you inside the ultrasound machine and shows you how this technique is used to look inside you.
  		• NDT-net (Rolf Diederichs): UT-Encyclopedia
  		• Nondestructive Material Testing with Ultrasonics: Introduction to the Basic Principles (Krautkrämer, NDt-net)
  		• Nondestructive Testing Information Analysis Center (NTIAC): NTIAC is a Defense Technical Information Center (DTIC) funded, Department of Defense (DoD) Information Analysis Center operated by Texas Research Institute Austin, Inc.
  		• Super High Resolution Ultrasonic Measurement System: 5-micro-meter resolution measurement by non contact system in the air; RS-232 interface; Thickness, Deviation, Distance, Level of any kind of material.
  		• Ultrasonics: Dedicated to the art and science of ultrasonic nondestructive testing and allied fields.
  		• Vibrationdata.com Tutorials: The tutorials and course materials require a username and password which can be obtained with an annual subscription fee.
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