Marine organicphotochemistry (MOP), as one of the important branches of Marine chemistry, has close relationship with many Marine subjects such as Marine biology and Marine environment science.
海洋有机光化学是海洋化学的重要分支，与海洋生物、海洋环境等学科密切相关。
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Taking formaldehyde as example, degradation mechanisms of photochemistry reaction, adsorption and Photo-Catalytic Oxidation(PCO) on Volatile Organic Compounds(VOCs) are presented respectively.
以甲醛为例，介绍了光化学反应、吸附作用和光催化氧化作用对挥发性有机化合物降解过程的作用机理；
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Volatile Organic Compounds (VOCS), as one of the major sources of air contaminations, can not only cause direct pollution, but also lead to secondary pollution, such as photochemistry smog.