| ultraviolet |
The non-visible portion of the light spectrum with a wave length shorter than violet light.
출처: www.bmgnri.com/Glossary.htm
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| ultrasonography |
A diagnostic test using ultrasound technology specially calibrated for the eye. It provides a picture of the back of the eye when it cannot be seen by an eye professional.
출처: iei.ico.edu/glossary.html
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| ultrasonography |
(UL-tra-son-OG-ra-fee): A study in which sound waves (called ultrasound) are bounced off tissues and the echoes are converted into a picture (sonogram).
출처: seniorhealth.about.com/od/womenshealth/a/women_glo...
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| ultramicroscope |
An optical microscope that uses light scattering to make visible extremely small (submicrometer-sized) particles or droplets. For additional definitions and explanations, more complete dictionaries are available. See: Dictionary of Colloid and Interface Science The Language of Colloid and Interface Science
출처: www.ucalgary.ca/~schramm/centrif.htm
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| ultraviolet radiation |
A portion of the electromagnetic spectrum with wavelengths shorted than visible light. The sun produces UV, which is commonly split into three bands of decreasing wavelength. Shorter wavelength radiation has a greater potential to cause biological damage on living organisms. The longer wavelength ultraviolet band, UVA, is not absorbed by ozone in the atmosphere. UVB is mostly absorbed by ozone, although some reaches the Earth. ...
출처: ilrdss.sws.uiuc.edu/glossary/glossary_allresults.a...
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