ultraviolet - definition. What is ultraviolet
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  1. القواميس
  2. قاموس انجليزي
  3. ultraviolet

%ما هو (من)٪ 1 - تعريف

WIKIMEDIA DISAMBIGUATION PAGE
Ultra Violet; Ultraviolet (TV show); Ultraviolet (album); User:Riverboats/UltraViolet; Ultraviolet (TV series); Ultraviolet (song); UltraViolet; UltraViolet (disambiguation)

Ultraviolet         
  • Ultraviolet photons harm the [[DNA]] molecules of living organisms in different ways. In one common damage event, adjacent [[thymine]] bases bond with each other, instead of across the "ladder". This "[[thymine dimer]]" makes a bulge, and the distorted DNA molecule does not function properly.
  • Sunburn effect (as measured by the [[UV index]]) is the product of the sunlight spectrum (radiation intensity) and the erythemal action spectrum (skin sensitivity) across the range of UV wavelengths. Sunburn production per milliwatt of radiation intensity is increased by nearly a factor of 100 between the near UV‑B wavelengths of 315–295 nm
  • UV damaged [[polypropylene]] rope (left) and new rope (right)
  • A collection of mineral samples fluorescing brilliantly at various wavelengths as seen while being irradiated by UV light.
  • IR spectrum showing carbonyl absorption due to UV degradation of [[polyethylene]]
  • Aurora at [[Jupiter]]'s north pole as seen in ultraviolet light by the [[Hubble Space Telescope]].
  • DU/km]]) and blocking of different bands of ultraviolet radiation: In essence, all UVC is blocked by diatomic oxygen (100–200 nm) or by ozone (triatomic oxygen) (200–280 nm) in the atmosphere. The ozone layer then blocks most UVB. Meanwhile, UVA is hardly affected by ozone, and most of it reaches the ground. UVA makes up almost all UV light that penetrates the Earth's atmosphere.
  • A bird appears on many Visa credit cards when they are held under a UV light source
  • sterilizing]] microbiological contaminants from irradiated surfaces.
  • A 380 nanometer UV LED makes some common household items fluoresce.
  • A portrait taken using only UV light between the wavelengths of 335 and 365 nanometers.
  • Signs are often used to warn of the hazard of strong UV sources.
  • Demonstration of the effect of sunscreen. The man's face has sunscreen on his right side only. The left image is a regular photograph of his face; the right image is of reflected UV light. The side of the face with sunscreen is darker because the sunscreen absorbs the UV light.
  • Effects of UV on finished surfaces in 0, 20 and 43 hours.
  • After a training exercise involving fake [[body fluids]], a healthcare worker's [[personal protective equipment]] is checked with ultraviolet light to find invisible drops of fluids. These fluids could contain deadly viruses or other contamination.
FORM OF ELECTROMAGNETIC RADIATION
Ultra-violet radiation; Ultraviolet radiation; UV; Ultraviolet energy; Ultraviolet light; UV-A; UV-C; UV-B; UVB; UV radiation; Uv; Ultra-violet; Ultraviolet Light; Ultraviolet Rays; Ultraviolet Radiation; UV Radiation; Uv light; UV light; Near ultraviolet; Near UV; UVB radiation; UVA radiation; UV Light; Ultraviolet light absorber; Ultraviolet radiation (biology); Ultra violet; Ultraviolet lamp; Deep ultraviolet; Vacuum UV; Vacuum ultraviolet; Deep UV; Ultraviolet A; Ultraviolet a; Ultraviolet B; Ultraviolet b; Ultraviolet C; Ultraviolet c; Ultra-Violet; UV rays; Ultraviolet Light Absorber; Ultraviolet irradiation; Near-ultraviolet; Ultra-violet light; UV A; UV B; Bee's purple; Ultraviolet ray; UV-light; Ultraviolet-B; UV ray; Ultraviolet rays; UVA blocker; UV-radiation; Far-ultraviolet; Ultraviolet lighting; UV lamp; UV lamps; Far ultraviolet; Uv-B; Ultraviolet Lamp; Ultraviolet waves; Diurnal variation of ultraviolet light; Diurnal variation of ultaviolet light; UV protection; Ultraviolet a radiation; Ultraviolet b radiation; Ultraviolet c radiation; Ultraviolet type; U.V.; Thitonic rays; Chemical rays; UV light irradiation; NUV photons; VUV radition; VUV radiation; Pulsed ultraviolet light; UVR; Vaccum ultraviolet; Ultraviolet LED; Ultraviolet LEDs; UV-irradiation; Ultra violet rays; Hard ultraviolet; UV photon; Middle ultraviolet; Ultra violet light; Oxidizing rays; Tithonic rays; Hard UV; Soft ultraviolet; Soft UV; Dorno radiation; Middle UV; Far UV; UV C; Ultraviolet-A; Ultraviolet-C; H Lyman-α; Hydrogen Lyman-alpha; Hydrogen Lyman-alpha ultraviolet; H Lyman-α ultraviolet; Hydrogen Lyman-alpha radiation; H Lyman-α radiation; Far UV-C; Far UVC; UVB (radiation); UVA (radiation); UVC (radiation); NUV (radiation); MUV (radiation); FUV (radiation); VUV (radiation); Far-UVC; Far-UVC light; Far UV-C light; Dark tithonic rays; De-oxidizing rays; Deoxidizing rays; De-oxidising rays; Deoxidising rays; De-oxidierende Strahlen; Oxidising rays; Ultraviolet spectrum
·adj Lying outside the visible spectrum at its violet end;
- said of rays more refrangible than the extreme violet rays of the spectrum.
ultraviolet         
  • Ultraviolet photons harm the [[DNA]] molecules of living organisms in different ways. In one common damage event, adjacent [[thymine]] bases bond with each other, instead of across the "ladder". This "[[thymine dimer]]" makes a bulge, and the distorted DNA molecule does not function properly.
  • Sunburn effect (as measured by the [[UV index]]) is the product of the sunlight spectrum (radiation intensity) and the erythemal action spectrum (skin sensitivity) across the range of UV wavelengths. Sunburn production per milliwatt of radiation intensity is increased by nearly a factor of 100 between the near UV‑B wavelengths of 315–295 nm
  • UV damaged [[polypropylene]] rope (left) and new rope (right)
  • A collection of mineral samples fluorescing brilliantly at various wavelengths as seen while being irradiated by UV light.
  • IR spectrum showing carbonyl absorption due to UV degradation of [[polyethylene]]
  • Aurora at [[Jupiter]]'s north pole as seen in ultraviolet light by the [[Hubble Space Telescope]].
  • DU/km]]) and blocking of different bands of ultraviolet radiation: In essence, all UVC is blocked by diatomic oxygen (100–200 nm) or by ozone (triatomic oxygen) (200–280 nm) in the atmosphere. The ozone layer then blocks most UVB. Meanwhile, UVA is hardly affected by ozone, and most of it reaches the ground. UVA makes up almost all UV light that penetrates the Earth's atmosphere.
  • A bird appears on many Visa credit cards when they are held under a UV light source
  • sterilizing]] microbiological contaminants from irradiated surfaces.
  • A 380 nanometer UV LED makes some common household items fluoresce.
  • A portrait taken using only UV light between the wavelengths of 335 and 365 nanometers.
  • Signs are often used to warn of the hazard of strong UV sources.
  • Demonstration of the effect of sunscreen. The man's face has sunscreen on his right side only. The left image is a regular photograph of his face; the right image is of reflected UV light. The side of the face with sunscreen is darker because the sunscreen absorbs the UV light.
  • Effects of UV on finished surfaces in 0, 20 and 43 hours.
  • After a training exercise involving fake [[body fluids]], a healthcare worker's [[personal protective equipment]] is checked with ultraviolet light to find invisible drops of fluids. These fluids could contain deadly viruses or other contamination.
FORM OF ELECTROMAGNETIC RADIATION
Ultra-violet radiation; Ultraviolet radiation; UV; Ultraviolet energy; Ultraviolet light; UV-A; UV-C; UV-B; UVB; UV radiation; Uv; Ultra-violet; Ultraviolet Light; Ultraviolet Rays; Ultraviolet Radiation; UV Radiation; Uv light; UV light; Near ultraviolet; Near UV; UVB radiation; UVA radiation; UV Light; Ultraviolet light absorber; Ultraviolet radiation (biology); Ultra violet; Ultraviolet lamp; Deep ultraviolet; Vacuum UV; Vacuum ultraviolet; Deep UV; Ultraviolet A; Ultraviolet a; Ultraviolet B; Ultraviolet b; Ultraviolet C; Ultraviolet c; Ultra-Violet; UV rays; Ultraviolet Light Absorber; Ultraviolet irradiation; Near-ultraviolet; Ultra-violet light; UV A; UV B; Bee's purple; Ultraviolet ray; UV-light; Ultraviolet-B; UV ray; Ultraviolet rays; UVA blocker; UV-radiation; Far-ultraviolet; Ultraviolet lighting; UV lamp; UV lamps; Far ultraviolet; Uv-B; Ultraviolet Lamp; Ultraviolet waves; Diurnal variation of ultraviolet light; Diurnal variation of ultaviolet light; UV protection; Ultraviolet a radiation; Ultraviolet b radiation; Ultraviolet c radiation; Ultraviolet type; U.V.; Thitonic rays; Chemical rays; UV light irradiation; NUV photons; VUV radition; VUV radiation; Pulsed ultraviolet light; UVR; Vaccum ultraviolet; Ultraviolet LED; Ultraviolet LEDs; UV-irradiation; Ultra violet rays; Hard ultraviolet; UV photon; Middle ultraviolet; Ultra violet light; Oxidizing rays; Tithonic rays; Hard UV; Soft ultraviolet; Soft UV; Dorno radiation; Middle UV; Far UV; UV C; Ultraviolet-A; Ultraviolet-C; H Lyman-α; Hydrogen Lyman-alpha; Hydrogen Lyman-alpha ultraviolet; H Lyman-α ultraviolet; Hydrogen Lyman-alpha radiation; H Lyman-α radiation; Far UV-C; Far UVC; UVB (radiation); UVA (radiation); UVC (radiation); NUV (radiation); MUV (radiation); FUV (radiation); VUV (radiation); Far-UVC; Far-UVC light; Far UV-C light; Dark tithonic rays; De-oxidizing rays; Deoxidizing rays; De-oxidising rays; Deoxidising rays; De-oxidierende Strahlen; Oxidising rays; Ultraviolet spectrum
¦ noun electromagnetic radiation having a wavelength just shorter than that of violet light but longer than that of X-rays.
¦ adjective of or denoting such radiation.
ultraviolet         
  • Ultraviolet photons harm the [[DNA]] molecules of living organisms in different ways. In one common damage event, adjacent [[thymine]] bases bond with each other, instead of across the "ladder". This "[[thymine dimer]]" makes a bulge, and the distorted DNA molecule does not function properly.
  • Sunburn effect (as measured by the [[UV index]]) is the product of the sunlight spectrum (radiation intensity) and the erythemal action spectrum (skin sensitivity) across the range of UV wavelengths. Sunburn production per milliwatt of radiation intensity is increased by nearly a factor of 100 between the near UV‑B wavelengths of 315–295 nm
  • UV damaged [[polypropylene]] rope (left) and new rope (right)
  • A collection of mineral samples fluorescing brilliantly at various wavelengths as seen while being irradiated by UV light.
  • IR spectrum showing carbonyl absorption due to UV degradation of [[polyethylene]]
  • Aurora at [[Jupiter]]'s north pole as seen in ultraviolet light by the [[Hubble Space Telescope]].
  • DU/km]]) and blocking of different bands of ultraviolet radiation: In essence, all UVC is blocked by diatomic oxygen (100–200 nm) or by ozone (triatomic oxygen) (200–280 nm) in the atmosphere. The ozone layer then blocks most UVB. Meanwhile, UVA is hardly affected by ozone, and most of it reaches the ground. UVA makes up almost all UV light that penetrates the Earth's atmosphere.
  • A bird appears on many Visa credit cards when they are held under a UV light source
  • sterilizing]] microbiological contaminants from irradiated surfaces.
  • A 380 nanometer UV LED makes some common household items fluoresce.
  • A portrait taken using only UV light between the wavelengths of 335 and 365 nanometers.
  • Signs are often used to warn of the hazard of strong UV sources.
  • Demonstration of the effect of sunscreen. The man's face has sunscreen on his right side only. The left image is a regular photograph of his face; the right image is of reflected UV light. The side of the face with sunscreen is darker because the sunscreen absorbs the UV light.
  • Effects of UV on finished surfaces in 0, 20 and 43 hours.
  • After a training exercise involving fake [[body fluids]], a healthcare worker's [[personal protective equipment]] is checked with ultraviolet light to find invisible drops of fluids. These fluids could contain deadly viruses or other contamination.
FORM OF ELECTROMAGNETIC RADIATION
Ultra-violet radiation; Ultraviolet radiation; UV; Ultraviolet energy; Ultraviolet light; UV-A; UV-C; UV-B; UVB; UV radiation; Uv; Ultra-violet; Ultraviolet Light; Ultraviolet Rays; Ultraviolet Radiation; UV Radiation; Uv light; UV light; Near ultraviolet; Near UV; UVB radiation; UVA radiation; UV Light; Ultraviolet light absorber; Ultraviolet radiation (biology); Ultra violet; Ultraviolet lamp; Deep ultraviolet; Vacuum UV; Vacuum ultraviolet; Deep UV; Ultraviolet A; Ultraviolet a; Ultraviolet B; Ultraviolet b; Ultraviolet C; Ultraviolet c; Ultra-Violet; UV rays; Ultraviolet Light Absorber; Ultraviolet irradiation; Near-ultraviolet; Ultra-violet light; UV A; UV B; Bee's purple; Ultraviolet ray; UV-light; Ultraviolet-B; UV ray; Ultraviolet rays; UVA blocker; UV-radiation; Far-ultraviolet; Ultraviolet lighting; UV lamp; UV lamps; Far ultraviolet; Uv-B; Ultraviolet Lamp; Ultraviolet waves; Diurnal variation of ultraviolet light; Diurnal variation of ultaviolet light; UV protection; Ultraviolet a radiation; Ultraviolet b radiation; Ultraviolet c radiation; Ultraviolet type; U.V.; Thitonic rays; Chemical rays; UV light irradiation; NUV photons; VUV radition; VUV radiation; Pulsed ultraviolet light; UVR; Vaccum ultraviolet; Ultraviolet LED; Ultraviolet LEDs; UV-irradiation; Ultra violet rays; Hard ultraviolet; UV photon; Middle ultraviolet; Ultra violet light; Oxidizing rays; Tithonic rays; Hard UV; Soft ultraviolet; Soft UV; Dorno radiation; Middle UV; Far UV; UV C; Ultraviolet-A; Ultraviolet-C; H Lyman-α; Hydrogen Lyman-alpha; Hydrogen Lyman-alpha ultraviolet; H Lyman-α ultraviolet; Hydrogen Lyman-alpha radiation; H Lyman-α radiation; Far UV-C; Far UVC; UVB (radiation); UVA (radiation); UVC (radiation); NUV (radiation); MUV (radiation); FUV (radiation); VUV (radiation); Far-UVC; Far-UVC light; Far UV-C light; Dark tithonic rays; De-oxidizing rays; Deoxidizing rays; De-oxidising rays; Deoxidising rays; De-oxidierende Strahlen; Oxidising rays; Ultraviolet spectrum
Ultraviolet light or radiation is what causes your skin to become darker in colour after you have been in sunlight. In large amounts ultraviolet light is harmful.
The sun's ultraviolet rays are responsible for both tanning and burning.
ADJ: usu ADJ n

ويكيبيديا

Ultraviolet (disambiguation)

Ultraviolet refers to electromagnetic radiation with a wavelength shorter than that of visible light, but longer than soft X-rays.

Ultraviolet, UltraViolet, or Ultra Violet may also refer to:

https://en.wikipedia.org/wiki/Ultraviolet (disambiguation)
أمثلة من مجموعة نصية لـ٪ 1
1. Fuse, short for Far Ultraviolet Spectroscopic Explorer, has been tuned to the short ultraviolet wavelengths that the Hubble Space Telescope can‘t see.
2. They burned hot and fast, emitting strong ultraviolet light.
3. Research shows that ultraviolet can degrade some pharmaceuticals.
4. The filter shuts out ultraviolet rays and absorbs positive ions.
5. When exposed to ultraviolet light, the protein glows green.
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