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Radiation: Ultraviolet (UV) radiation
Mar 9, 2016 · What is the difference between UVA, UVB and UVC? The three types of UV radiation are classified according to their wavelength. They differ in their biological activity and …
Ultraviolet radiation - World Health Organization (WHO)
Jun 12, 2025 · Ultraviolet (UV) radiation covers the wavelength range of 100–400 nm, which is a higher frequency and lower wavelength than visible light. UV radiation comes naturally from …
Radiation: The known health effects of ultraviolet radiation
Jul 16, 2024 · UV radiation can cause short- and long-term health effects on the skin. In addition to the well-known short-term effects such as sunburn or allergic reactions, long-term effects …
Webinar: Disinfection using Ultraviolet Radiation
Dec 17, 2021 · BackgroundThe ability of ultraviolet radiation to disinfect water, surfaces and air has been known for over a hundred years. In the last few decades, the primary application …
Radiation: The ultraviolet (UV) index
Jun 20, 2022 · What is the UV index? a measure of the level of UV radiation; the values of the index range from zero upward - the higher the UVI, the greater the potential for damage to the …
辐射：紫外线辐射对健康的已知影响
紫外线UV-B引发的唯一好处是刺激产生维生素D。维生素D对于增加食物中钙和磷的吸收十分重要，并在骨骼发育、免疫功能和血细胞形成中起着至关重要的作用。因此，紫外线照射的这种好 …
紫外线辐射 - World Health Organization (WHO)
Jun 22, 2022 · zi3wai4xian4fu3she4重要事实 皮肤癌主要由暴露于紫外线辐射所致。紫外线辐射来自太阳或日光浴床等人造日光源。 2020年，全球共检出150多万例皮肤癌，并报告了12万例以 …
Radiación: ¿cómo afecta la radiación ultravioleta a la salud?
El único efecto beneficioso de la radiación ultravioleta, en particular de la UVB, es la estimulación de la producción de vitamina D. Esta vitamina es importante porque mejora la absorción del …
Ultraviolet radiation - World Health Organization (WHO)
Jun 21, 2022 · Key facts Skin cancers are caused primarily by exposure to ultraviolet radiation (UVR), either from the sun or from artificial sources such as sunbeds. Globally in 2020, over …
Rayonnement ultraviolet - World Health Organization (WHO)
Dans notre environnement, le soleil est de loin la source de rayonnement ultraviolet la plus importante. Le soleil émet de la lumière, de la chaleur et des rayons ultraviolets (UV). …
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