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  1. Ultrasound - Wikipedia

    An ultrasonic examination Ultrasound is sound with frequencies greater than 20 kilohertz. [1] This frequency is the approximate upper audible limit of human hearing in healthy young adults. The …

  2. Ultrasonics | Journal | ScienceDirect.com by Elsevier

    Ultrasonics is the only internationally established journal which covers the entire spectrum of ultrasound research, technology, and applications. It contains a variety of sections to keep its readers abreast of …

  3. Ultrasonics | Physics, Sound Waves & Applications | Britannica

    2026年3月23日 · Ultrasonics, vibrations of frequencies greater than the upper limit of the audible range for humans—that is, greater than about 20 kilohertz. The term sonic is applied to ultrasound waves …

  4. Basic Principles of Ultrasound – Ultrasound Physics and its ... - PALNI

    After reviewing this chapter, you should be able to do the following: Define ultrasound and describe its characteristics as a form of energy. Explain the principles of sound wave propagation, including …

  5. What Are Ultrasonic Waves and How Do They Work?

    2025年12月6日 · Ultrasonic technology is also found in many consumer and commercial devices, leveraging the mechanical effects of the waves. Ultrasonic cleaning devices use the principle of …

  6. ULTRASONIC Definition & Meaning - Merriam-Webster

    The meaning of ULTRASONIC is having a frequency above the human ear's audibility limit of about 20,000 hertz —used of waves and vibrations. How to use ultrasonic in a sentence. Did you know?

  7. Ultrasonic Sound - HyperPhysics

    Ultrasonic Sound

  8. Ultrasound - National Institute of Biomedical Imaging and …

    Cross-section ultrasound image of a fetus Source: Phillips Health Care- iu22xMATRIX system Medical ultrasound falls into two distinct categories: diagnostic and therapeutic. Diagnostic ultrasound is a …

  9. How does ultrasound work? | Uses of ultrasound - Explain that Stuff

    2023年8月6日 · A simple explanation of ultrasound (ultrasonics) and its uses in medicine, science, and other fields.

  10. Ultrasonics | Physics | Research Starters - EBSCO

    Ultrasonics Type of physical science: Classical physics Field of study: Acoustics Ultrasound is the region of high-frequency sound above the highest frequencies that can be perceived by humans. Since the …