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采用傅立叶红外光谱技术研究了不同地区、不同种类农作物秸秆的红外指纹图谱,对其谱带归属进行了判别分析;并利用共有峰率和变异峰率双指标序列法对农作物秸秆样品进行分析鉴别。结果表明:同种农作物秸秆化学成分相似,不同农作物秸秆化学成分差异较大,其中花生秆与其他农作物秸秆化学成分差异最大。
Fourier infrared spectroscopy was used to study the IR fingerprinting of crop stalks in different regions and different types. Discrimination analysis was carried out on the ownership of straws. The double stochastic peak index and mutation rate were used to identify and identify crop stalks. The results showed that the chemical compositions of straw in the same crops were similar, and the chemical composition of straw in different crops was quite different. Among them, the differences of chemical composition between straw and other crops were the most.