This paper investigates physical and rheological properties before and after ultraviolet aging, compared the influence for asphalt performance of ultraviolet radiation aging with thermal aging.

本文研究了沥青紫外老化前后的物理性能与流变性能，并与热老化前后的物理性能与流变性能进行了对比。

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Sunscreens do block the UVB radiation that causes sunburn, and more recent formulas also block the UVA radiation that causes wrinkles and aging.

防晒霜可以阻止导致晒伤的短波紫外线，更新的一些配方还可以阻止导致皱纹和老化的长波紫外线。

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Photoaging refers to cutaneous damage caused by light, especially ultraviolet radiation exposure, in the process of skin aging.

光老化是指皮肤衰老过程中由光线特别是紫外线辐射所造成的损伤。

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