光降

The photodegradation process could be well described by a four-parameter biphasic first-order reaction kinetic model, and showed obvious rapid and slow photodegradation phases, the latter was the rate determining step.

4参数2室一级反应动力学模型可以很好地描述同时洗脱和光催化降解土壤中硫丹的过程，包括快速光降解和慢速光降解两个阶段，后者是整个降解过程的速度控制步骤。

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Thus algae have a promotional function in photo degradation of phorate-and-phoxim.

因此,藻类对湖泊水体中甲拌辛的光降解有促进作用.

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The photodegradation experiment showed that the introduction of electron withdrawing group on methane chain would improve the photo-stability of the dye, while electron donating group would decrease the photo-stability.

三种染料与其母核染料的光降解对比试验说明，甲川链上引入吸电子基团使得染料光稳定性提高，而供电子基团则光稳定性下降。

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Purposes: Manufacturing hydrogen peroxide, dye intermediates, light-cured resin catalyst, photodegradation membrane, coatings and photosensitive polymerization initiator.

用途: 制造双氧水 、 染料中间体 、 光固化树脂催化剂 、 光降解膜, 涂料和光敏聚合引发剂.

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The photodegradation efficiency decreases with increasing the initial concentration of E1.

在2~10mg/L范围内，光降解效率随水溶液中E1初始浓度的增加而降低。

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Photocatalytic Functional Ceramic and Its Speciality of Photodecomposition

光催化功能陶瓷及其光降解特性

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Biodegradation and photodegradation of surfactants are now arousing more and more interest.

表面活性剂的生物降解和光降解技术正受到越来越多的关注.

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Probably its key benefit, however, was minimizing glare during daylight hours.

但或许其最大的好处是在白天收看时把耀光降到了最低。

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This paper introduced the degradation mechanism of polyvinyl chloride ( PVC ) under the irradiation of ultraviolet light.

介绍了聚氯乙烯 ( PVC ) 的紫外光降解机理.

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The photo degradable behavior and physical properties of the photooxidable PE containing twin photosensitizers were studied.

研究了含双组分光敏剂光氧化PE的光降解行为和物理特性变化.

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The results show that H 2 O 2 and K 2 S 2 O 8 can photodegradate DDVP betterly.

结果表明:H2O2、K2S2O8对DDVP的光降解具有良好的效果.

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Influences of pH, concentrations of oxidents and Cu 2 + on the photodegradation rate of DDVP were investigated.

探讨了氧化剂浓度、pH值 、 Cu2+浓度对DDVP光降解的影响.

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