光学化氧化是通过氧化剂在光的辐射下产生氧化能力较强的自由基而进行的，根据氧化剂的种类不同，分为UV/过氧化氢，UV/臭氧，UV/过氧化氢/臭氧三种系统。
光稳定剂是抑制或减缓由于光氧化作用而使高分子材料发生降解的助剂。
Light stabilizers are one of accessory ingredients which restrain photo-oxidative degradation of polymer materials.
结果表明C_3和C_4植物对自然强光或光氧化作用响应的敏感性存在一定的差别。
The results showed that there are certain differences of sensibility in response to natural strong light or photooxidation between C3 and C4 plants.
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