derivative ratio spectrum 比值导数波谱法 ; 比波谱导数

ratio spectrum derivative 比值导数法

First derivative ratio spectrum 比值光谱一阶导数

ratio spectrum-derivative method 比光谱

derivative ratio spectrum method 比值导数法

ratio spectrum-derivative spectrophotometry 吸光度比值

derivative of ratio spectrum 比值光谱导数

ratio spectrum and derivative 比光谱导数

Derivative of ratio spectrum method 比值光谱一阶导数法