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日光大部分由可见光组成,光谱范围大约为390～770nm。它除了会刺激眼视网膜,还有一些生物学活性,引起晒伤的是290～320nm中波紫外线。皮肤反应程度因照射时间、范围、环境因素及肤色不同而有差异,多见于春末夏初。晒伤有哪些表现及分度当皮肤受到强烈日光照射数小时至十数小时后,暴露的部位如
Mostly composed of visible light sunlight, the spectral range of about 390 ~ 770nm. It will not only stimulate the retina, but also some biological activity, causing sunburn is 290 ~ 320nm UVB. The degree of skin reaction due to irradiation time, scope, environmental factors and different skin color are different, more common in late spring and early summer. What are the performance of sunburn and indexing When the skin exposed to intense sunlight for hours to ten hours after exposure to the site such as