Abstract:
利用气象色谱-质谱联用(GC-MSD)技术分析不同发酵程度垫料的挥发性物质,共检测到7类22种物质(匹配度≧90,相对含量≧4%)。根据挥发性物质的种类和含量,可将30个样品分为4类,分别对应4个发酵级别。Ⅰ级:发酵程度浅;Ⅱ级:发酵程度较深;Ⅲ级:发酵程度深;Ⅳ级:发酵程度很深。利用聚类分析、逐步判别分析,构建垫料发酵程度判别模型:Y1=-2.55-1.78X1+1.118X5+0.3228X6-0.11X8+2.155X9+2.0423X12+0.419X14+0.358X15+1.3403X16+1.4783X17+2.116X18+1.7778X19+0.728X22,Y2=-32.2...
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Year: 2011
Language: Chinese
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