Spectral flux absorbed by a surface, divided by that obtained by that area. This shouldn't be puzzled with "spectral absorbance". word #beta Beta /beta #preferredDictionaries ^chosen identify /chosen /preferredDictionaries light fluorescent light eco-friendly light light bulb light year pilot (light) purple light tail light up phrasal verb Infrared visualized https://alicet752pyg0.blogsidea.com/profile