The certain correlations among pollutant's type, consistency and opticalbrightness.
污染物质的类型、浓度与其光谱亮度值具有某种相关关系。
2
Optical brightener(Opticalbrightness agent): Synonymous with Optical bleaching agent.
光学增光剂：即光学漂白剂。
3
In Human Vision System, the optical signal is separated to brightness and chroma information, and they are processing differently. It is an important quality of Human Vision System.