Ultraviolet - Wikipedia
https://en.wikipedia.org/wiki/Ultraviolet
Ultraviolet (UV) is a form of electromagnetic radiation with wavelength from 10 nm (with a corresponding frequency around 30 PHz) to 400 nm (750 THz), shorter than that of visible light, but longer than X-rays.
УФ(UV) ИНДЕКС - ЭТО НЕОБХОДИМО ЗНАТЬ ПЕРЕД... - YouTube
https://www.youtube.com/watch?v=_4NAOIi2Oq0
UV index determines how quickly you'll burn.
Ultraviolet (UV) Radiation | FDA
https://www.fda.gov/radiation-emitting-products/tanning/ultraviolet-uv-radiation
UV radiation is only one type of EM energy you may be familiar with. Radio waves that transmit sound from a UV radiation, in the form of lasers, lamps, or a combination of these devices and topical...
Прогноз погоды и здоровье: что такое УФ индекс | Clever lady
https://clever-lady.com/poleznie_soveti/prognoz-pogody-i-nashe-zdorove-chto-takoe-uf-indeks/
Источник: Официальный сайт ВОЗ http://www.who.int/uv/intersunprogramme/activities/uv_index/ru/.
uv.ulb.ac.be
https://uv.ulb.ac.be/
The site owner hides the web page description.
International Ultraviolet Association Inc - UV FAQs
https://iuva.org/UV-FAQs
What percentage of UV light is blocked out by glass? (This is one of many questions posted on an Normal glass (as used in windows) is transparent to UV radiation to a wavelength of about 330 nm...