1)ratio of abs,吸光度比值2)Absorbance-ratio method,吸光度比值法3)Absorbance ratio-derivative mothed,吸光度比值-导数光谱法4)derivative of absorbance ratio method,吸光度比值导数光谱法5)pH indicator absorbance ratio method,pH指示剂吸光度比值法6)Multiwavelength absorbance ratio difference spectrophotometry,多波长吸光度比值差法
用法例句
Methods pH indicator absorbance ratio method was used.