2016年3月9日 · The shorter the wavelength, the more harmful the UV radiation. However, shorter wavelength UV radiation is less able to penetrate the skin. The UV region covers the …

UV exposure may also be involved in the development of age-related macular degeneration (AMD). Worldwide, it is estimated that 15 million people are blind due to cataracts; of these, …

2022年6月20日 · The UV Index is an important vehicle to raise public awareness of the risks of excessive exposure to UV radiation, and to alert people about the need to adopt protective …

2024年7月16日 · UV-A rays have longer wavelengths than UV-B rays, and thus penetrate deeper into the tissue layers of the eye and the skin. UV-A and UV-B rays also differ from each other …

uv-b可在几天内刺激产生新的黑色素，从而使晒黑效果能够持续相对较长时间。uv-b还刺激细胞产生更厚的表皮。因此，uv-b和uv-a一起导致外层细胞合成、变暗和变厚——这些反应是人体对 …

En outre, les UV-A dégagent moins d'énergie que les UV-B. Les UV-A et les UV-B peuvent donc avoir des effets différents sur le plan biologique et de la santé. La peau Les UV-A pénètrent …

2022年6月21日 · 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 …

The main factor that predisposes to the development of skin cancer is exposure to ultraviolet (UV) radiation, traditionally from the sun and more recently from artificial tanning sunbeds. Both …

2022年6月22日 · 概述. 紫外线辐射既看不见，也感觉不到。人人都暴露于太阳紫外线辐射，有些人还暴露于人造紫外线辐射源（例如医疗和工业生产中以及用于消毒和美容的人造紫外线辐射）。

2024年7月16日 · UV damage is mostly avoidable. The rise in the incidence of skin cancers over the past decades is strongly related to occupational and recreational UV exposure. …