所属栏目:英汉双解生物学
A plot of the ab-sorbance by a substance of radiation at differ-ent wavelengths,usually of ultraviolet,visi-ble,or infrared radiation. It can give infor-mation about the identity or quantity of a sub-stance. Chlorophylls,for example,have ab-sorption peaks ......(本文共 346 字 ) [阅读本文] >>