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。
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。
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。
This product has a good resistance of ozone aging, ultraviolet radiation and atmosphere aging.
产品具有良好的耐臭氧老化、耐紫外线和大气老化性能。
This pa- per is of value to prevent road asphalt early aging research in the northwest intensive ultraviolet radiation region of China.
这对于西部强紫外线辐射地区研究防止沥青路面过早老化和损害有着积极的意义。
Seborrheic keratosis, basal cell carcinoma and squamous cell carcinoma are clinically common epidermal tumors associated with skin aging and ultraviolet radiation.
脂溢性角化病、基底细胞癌和鳞状细胞癌是皮肤科临床上常见的三种与皮肤老化和紫外线辐射相关的表皮肿瘤。
The results show that neutron radiation embrittlement, corrosion damage, fatigue and wear are the key issues which cause aging or degradation of un replaceable or difficultly replaceable components.
分析表明，中子辐照脆化、腐蚀损伤、疲劳及磨损引起核电厂不可更换部件及更换困难部件的老化、降级是制约或极大程度影响电厂寿命的关键问题。
So it fits to be used in south and altiplano with high intensity of ultraviolet radiation, especially for open-graded pavement with high request of anti-aging.
适合于南方和高原紫外线强烈地区使用，尤其适用于对老化性能要求较高的开级配道路。
In comparison with the coatings applied presently for aircraft structures, the nano-composite coatings showed better anti-aging performance to UV radiation.
与现役飞机涂层相比，纳米复合涂层的抗紫外线老化性能有明显改进。
UV radiation exposure has also been linked to cataracts, premature aging, and immune suppression.
紫外线辐射还容易造成白内障、早衰以及免疫抑制。
It helps to reduce stress, to improve the immune system, to fight cancer and aging, to reduce other effects of radiation, to improve adrenal function.
降心理压力，增强免疫系统，抗癌，抗衰老，减低电疗副作用，增进肾上腺机能。
The paint membrane has the best mirror effect, and can effectively resist radiation of ultraviolet, then enhance aging-resist of decorated objects.
漆膜具有最佳镜面效果，能有效抵抗紫外线辐射，增强被装饰物抗老化性。
The paint membrane has the best mirror effect, and can effectively resist radiation of ultraviolet, then enhance aging-resist of decorated objects.
漆膜具有最佳镜面效果，能有效抵抗紫外线辐射，增强被装饰物抗老化性。
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