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SPECTROSCOPY AND SPECTRAL ANALYSIS  2012, Vol. 32 Issue (10): 2669-2673    DOI: 10.3964/j.issn.1000-0593(2012)10-2669-05
光谱学与光谱分析 |
Analysis of the Harvest Seasons of Scutellaria Baicalensis Georgi by Tri-Step Identification of Infrared Spectroscopy and Principal Component Analysis
LIU Su-li1, CHEN Jian-bo2, ZHOU Qun2, SUN Su-qin2*, LI Shou-zhuo1*
1. Institute of Chinese Materia Medica, Chengde Medical College, Chengde 067000, China
2. Department of Chemistry, Tsinghua University, Beijing 100084, China