由光引起的氧化反应。是由反应物分子吸收光子能量被活化到激发态而引起的。例如,二氧化硫(SO2)能吸收290~340纳米波长的光而达到激发态(3SO2),会发生氧化反应生成三氧化硫(SO3)。
Photooxidation was one of the main degradation approaches of pesticides in environment. Photo-stability had a direct influence on the effectiveness and persistent of pesticides.
光氧化降解是农药施用后在环境中的主要降解途径,农药光稳定性对农药的药效持久性及在环境中的残留消失动态具有直接影响。
参考来源 - 水体中三唑磷(Triazophos)的光化学降解性能研究With the increasing concentration of photo-oxidation catalyst, the catalysis increased.
随着光氧化催化剂浓度的增加其催化作用也随之增加。
参考来源 - 烯肟菌胺在稻田中的残留行为及光化学降解研究The rosebengal-sensitized photooxygenation reaction of cedrene afforded one major stereo-specific product (β-Cedren-9-ol), in which the double bond migrated to an adjacent position, this result demonstrated the singlet oxygen process.
虎红敏化α-雪松烯的光氧化反应得到一个立体专一的β-雪松烯-9-羟基衍生物,双键移向邻位,表明有单线态氧~1O_2的过程。
参考来源 - 雪松烯的光氧化反应和苯乙酮衍生物的光环合反应研究When RWC was lower than 40%, the photosynthetic apparatus photooxidation was destroyed.
RWC<40%,植物叶片已发生光氧化破坏。
参考来源 - 黄土丘陵区主要树种抗旱生理特性及荧光动力机制·2,447,543篇论文数据,部分数据来源于NoteExpress
填料滑石粉对PP的热和光氧化有类似的作用。
The filler talc showed similar effect on photo - and thermal oxidation of PP.
适度遮荫可以有效的防止耐荫植物发生光氧化伤害。
Moderate shade can protect shade endurance plants from photooxidation injury.
更有甚者,高光强胁迫将使光氧化损伤率大于光合器官的修复速率。
In extreme cases, high light stress can lead to the level of photo-oxidative damage exceeding the rate of repair to the photosynthetic apparatus.
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