The mechanism of inorganic UV blocking agents is not so clear as that of the organic UV absorbers.

诸多文献对无机紫外线屏蔽剂机理的认识尚存在可商榷之处。

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This paper is related to the method of coating cotton fabric and apparels by used of the nano composite materials for the UV blocking function.

论述将纳米复合材料通过浸渍涂层的方法整理到棉织物及服装产品上，使其具有抗紫外线性能。

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5 technical parameters: visible light transmittance, reflectance of visible light, heat rate, UV blocking rate is now commonly used car performance index.

技术参数：可见光透光率、可见光反射率、隔热率、紫外线阻隔率是现在常用的车膜性能指标。

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Consumers who are unsure about UV blocking in lenses can ask the optometrist for the FDA-approved package insert.

WSJ: Contacts Lenses That Let In Sun, But Block UV Rays

UV-blocking contact lenses have been around for more than a decade, but have gained in popularity in recent years.

WSJ: Contacts Lenses That Let In Sun, But Block UV Rays

Despite direct proof of efficacy, it is logical to think UV-blocking contacts will help keep the eyes healthy, optometrists say.

WSJ: Contacts Lenses That Let In Sun, But Block UV Rays