Sites sur "Ultraviolet"

Ultraviolet radiation - World Health Organization (WHO) : 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 the sun, but it can also be created by artificial sources used in industry, commerce and recreation.
Radiation: Ultraviolet (UV) radiation : Solar emissions include visible light, heat and ultraviolet (UV) radiation. Just as visible light consists of different colours that become apparent in a rainbow, the UV radiation spectrum is divided into three regions called UVA, UVB and UVC.
Rayonnement ultraviolet - World Health Organization (WHO) : Le rayonnement ultraviolet (UV) ne peut être ni vu ni ressenti. Alors que certaines personnes sont exposées à des sources artificielles de rayonnement UV (par exemple en médecine, dans l?industrie et à des fins de désinfection et cosmétiques), tout le monde est exposé aux rayons UV solaires.
Les effets connus des UV sur la santé : Les UV peuvent avoir des effets à court et à long terme sur la peau. En plus des effets à court terme bien connus, tels que les coups de soleil ou les réactions allergiques, les effets à long terme comme le cancer de la peau représentent un risque chronique pour la santé. Le risque de cancer de la peau est fortement corrélé à la durée et à la fréquence de l?exposition au soleil ...
Rayonnement ultraviolet - World Health Organization (WHO) : Qu?est-ce que le rayonnement ultraviolet ? 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).
Raising awareness on ultraviolet radiation - World Health Organization ... : Small amounts of ultraviolet (UV) radiation are essential to produce vitamin D in people, yet overexposure to sunlight may result in acute and chronic health effects on the skin, eye and immune system.The rise in the incidence of skin cancers over the past decades is strongly related to increasingly popular outdoor activities and recreational exposure. Experts believe that 4 out of 5 cases of ...
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Ultraviolet (Serial TV 2017-2019) - Filmweb : Ultraviolet (2017) - Ola Serafin do??cza do grupy detektywów amatorów rozwi?zuj?cych sprawy, których policja nie rozwik?a?a.
Radiation: The known health effects of ultraviolet radiation : Uveal melanoma, the most frequent cancer of the eyeball, sometimes requires surgical removal and is associated with high mortality. Evidence of an association with ultraviolet exposure is mixed. Basal cell carcinoma, accounting for approximately 90% of all eyelid malignancies, and squamous cell carcinoma are the two most common tumors of the ...
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