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以太阳光、氙灯、高压汞灯为光源，研究胡敏酸（ＨＡ）、口富啡酸（ＦＡ）对水中丁草胺光分解的影响。结果表明，在高压汞灯和氙灯光辐射下，ＨＡ和ＦＡ均使丁草胺的光解速度减缓，而在自然光下ＨＡ、ＦＡ却使丁草胺光解速度加快。
The effects of humic acid (HA) and oral fumaric acid (FA) on the photolysis of butachlor in water were studied by using sunlight, xenon lamp and high pressure mercury lamp as light sources. The results showed that both HA and FA slowed the photodegradation of butachlor in high pressure mercury lamp and xenon lamp, while HA and FA accelerated the photolysis of butachlor in natural light.