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请解释叶绿素的荧光现象

更新时间: 2020-09-24 00:00:00     

叶绿素的荧光现象与磷光现象:

荧光现象:是指叶绿素在透射光下为绿色,而在反射光下为红色的现象,这红光就是叶绿素受光激发后发射的荧光。叶绿素溶液的荧光可达吸收光的10%左右。而鲜叶的荧光程度较低,指占其吸收光的0.1~1%左右。

磷光现象:叶绿素除了照光时间能辐射出荧光外,去掉光源后仍能辐射出微弱红光,既为磷光。

关键词: 解释 叶绿素 荧光 现象

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