| ultrasonic |
Referring to sound waves with frequencies higher than those at the upper limit of unimpaired human hearing, usually between 16 and 20 KHz.
출처: amsglossary.allenpress.com/glossary/browse
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|---|---|
| ultraviolet |
(Abbreviated UV.) Pertaining to or same as ultraviolet radiation.
출처: amsglossary.allenpress.com/glossary/browse
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| ultraviolet radiation |
(UV) The portion of the electromagnetic spectrum with wavelengths from about 100 to 400 nm; between ionizing radiation (X-rays) and visible light. UV is absorbed by DNA and is highly mutagenic to unicellular organisms and to the epidermal cells of multicellular organisms. UV light is used in tissue culture for its mutagenic and bactericidal properties.
출처: www.fao.org/docrep/003/X3910E/X3910E24.htm
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| ultraviolet radiation |
invisible form of light produced by the sun that can cause health problems to living things when they are overexposed to this rays
출처: library.thinkquest.org/5579/glossary/glossary.html
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| ultraviolet radiation |
invisible rays in sunlight that cause suntan, sunburn, premature skin aging, and most cases of skin cancer.
출처: www.ehealthmd.com/library/skincancer/SC_glossary.h...
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