characteristic infrared spectra
characteristic infrared spectra
特征红外光谱
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Method: Using fourier transform infrared spectrometer to record the characteristic spectra of eleven samples of Dendrobium, and to compare the spectra by PCA(principal component analysis).
方法:采用直接测定法测得了样品的FTIR,并结合主成分分析法进行排序比较。
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