In this paper, the protection measures of carbohydrate during pulp TCF bleaching, such as oxygen, ozone, peroxide, peracid and photochemistry reaction of bleaching, were summarized respectively.

本文综述了纸浆的氧气漂白、臭氧漂白、过氧化氢漂白、光催化漂白、过氧酸漂白中碳水化合物的保护措施。

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The results indicate that impacts of atmospheric particles on photochemistry and oxidation ability of atmosphere are responsible for the reduction of the observed surface ozone concentration.

研究表明，颗粒物对光化学过程的抑制造成了大气氧化能力的降低，是近地面臭氧浓度减少的可能原因。

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