什么是消光现象

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什么是消光现象

什么是消光现象
什么是消光现象

什么是消光现象
有些分子具有旋光性,分为左旋和右旋,相同摩尔的左右旋光混合就会失去旋光性,就是消光.

In chemistry, absorption of light by a chemical substance is called extinction of light, and can be described by its "extinction coefficient".
A compound, or its molecules, generally has one (or ...

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In chemistry, absorption of light by a chemical substance is called extinction of light, and can be described by its "extinction coefficient".
A compound, or its molecules, generally has one (or more than one) absorption maximum at certain wavelength. The specific wavelength and the numeric order of extinction coefficient can be used to qualitatively identify a given type of compound.

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天文方面的吗?星际尘埃散射星光,使星光减弱,使肉眼就看不清楚了...
天体辐射从发出到被我们接收之前,被途中的气体和尘埃吸收和散射,使得辐射被削弱,称为消光.