二阶导数谱学 second derivative spectroscopy
导数谱线组法 DSUVG
导数光谱 derivave spectrum ; Derivativespectra ; derivative spectroscopy ; derivaudio-videoe spectrum
导数吸收光谱 derivative absorption spectrum
一阶导数光谱法 The first order derivative spectorphotometry ; the first derivative uv-spectrophotometry ; the first derivate spectrometry
二阶导数光谱法 Second order derivative spectrophotometry
导数吸收光谱学 [光] derivative absorption spectroscopy
导数极谱法 [分化] derivative polarography
导数光谱法 Derivative spectroscopy ; derivative spectrum
二阶导数谱；
采用傅里叶变换红外光谱法(FTIR)获得了六种婴幼儿奶粉的红外光谱及其二阶导数谱。
Six kinds of infant powdered milk were identified by Fourier transform infrared spectra (FTIR) and their corresponding second derivative infrared spectra.
所获得的一维红外光谱、二阶导数谱和二维相关红外光谱，从不同角度上提供了两者的差异性。因此。
The general infrared spectra (FTIR), secondary derivative IR spectra and two-dimensional correlation infrared spectroscopy (2D-IR) show the dissimilarity of Chaihu and Dayechaihu respectively.
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