知识贝壳
知识贝壳
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]>>