摘要
运用主成分分析,结合SPSS统计软件,对不同产地枸杞中的微量元素含量进行定量定性的综合评价。获得3个主成分及相应的主成分方程,仅从微量元素作用机理看,宁夏贺南山东麓的枸杞质量最佳。
By applying the principal component analysis method and the statistic software SPSS,the paper singles out the principal component incomprehensive evaluation of wolfberry in different districts of China,three principal components and the corresponding equations are obtained.From the mechanism of trace elements,the quality of wolfberry is the best on east foot of Henan Mountain in Ningxia.
出处
《微量元素与健康研究》
CAS
2009年第2期30-31,共2页
Studies of Trace Elements and Health
关键词
主成分分析
微量元素
枸杞
the principal component analysis
trace element
wolfberry
