知识贝壳
知识贝壳
所属栏目：英汉双解生物化学
A plot of the amountof absorption by a substance of radiation atdifferent wavelengths,usually of ultravio-let,visible,or infrared radiation. An ab-sorption spectrum can give information a-bout the identity or quantity of a sub-stance. It can also give inf ......（本文共 480 字 ） [阅读本文] >>