- low-frequency ultrasound
- низкочастотный ультразвук
Англо-русский медицинский словарь. 2012.
low-frequency ultrasound
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Ultrasound — Not to be confused with Supersonic .Ultrasound is cyclic sound pressure with a frequency greater than the upper limit of human hearing. Although this limit varies from person to person, it is approximately 20 kilohertz (20,000 hertz) in healthy,… … Wikipedia
Frequency — For other uses, see Frequency (disambiguation). Three cyclically flashing lights, from lowest frequency (top) to highest frequency (bottom). f is the frequency in hertz (Hz), meaning the number of cycles per second. T is the period in seconds (s) … Wikipedia
Sound from ultrasound — Contents 1 Parametric array 2 Applications 2.1 Commercial advertising … Wikipedia
High-intensity focused ultrasound — Contents 1 Theory 2 Aiming 3 How HIFU works 4 Method of use … Wikipedia
High-energy radio-frequency weapons — (HERF) or High Power Radio Frequency weapons (HPRF) are weapons that use high intensity radio waves to disrupt electronics. They are a type of directed energy weapon. They operate similarly to electromagnetic pulse (EMP) devices, by inducing… … Wikipedia
Contrast-enhanced ultrasound — (CEUS) is the application of ultrasound contrast medium to traditional medical sonography. Ultrasound contrast agents rely on the different ways in which sound waves are reflected from interfaces between substances. This may be the surface of a… … Wikipedia
Therapeutic ultrasound — refers generally to any type of procedure that uses ultrasound for therapeutic benefit. This includes HIFU, lithotripsy, targeted ultrasound drug delivery, trans dermal ultrasound drug delivery, ultrasound hemostasis, and ultrasound assisted… … Wikipedia
Intrauterine ultrasound — Creating an image of the developing fetus within the uterus by means of measuring the vibrations returned when a device emits high frequency sound waves. Ultrasound imaging has been done during pregnancy for over three decades. It has proved to… … Medical dictionary
List of wave topics — This is a list of wave topics.0 ndash;9*21 cm lineA*Abbe prism *absorption spectrum *acoustics *Airy disc *Airy wave theory *Alfvén wave *Alpha waves *amphidromic point *amplitude *amplitude modulation *analog sound vs. digital sound *animal… … Wikipedia
Magnetic resonance imaging — MRI redirects here. For other meanings of MRI or Mri, see MRI (disambiguation). Magnetic resonance imaging Intervention Sagittal MR image of the knee ICD 10 PCS B?3?ZZZ … Wikipedia
ultrasonics — /ul treuh son iks/, n. (used with a sing. v.) the branch of science that deals with the effects of sound waves above human perception. [1930 35; see ULTRASONIC, ICS] * * * Vibrational or stress waves in elastic media that have a frequency above… … Universalium
