一项新的研究表明：防晒霜中含有的滤光物质可以阻隔紫外线辐射，同时也会产生有害化合物伤害皮肤细胞。
Filters contained in sunscreen that keep out ultraviolet (UV) radiation can generate harmful compounds that attack skin cells, says a new study.
抗穿刺性能是尖缘产品包装使用的薄柔性材料的一项重要性能，因为产品的尖缘会破坏阻隔包装的完整性。
Penetration resistance is an important end-use performance of thin flexible materials where a sharp-edged product can destroy the integrity of a barrier wrap.
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