摘要
运用主成分分析,结合SPSS统计软件,对青海抱茎獐牙菜中微量元素的含量进行定量定性的综合评价。在综合评介中,由第1、第2和第3主成分的累计方差的贡献率达到了93.076%,开拓了科学地进行综合评价的新领域。
Bying applying the principal compoenent analysis method and the statistic software SPSS, the paper singles out the principal component in comprehensive elaluation of determination of trace dements for Cultivated Swertia Franchehtian H. Smith. of Qinghai Province . the contributing rate of the in comprehensive principal component, which are made up of the first、 second and third , are 93. 076 %.And opens a new area in comprehensive elaluation scientifically.
出处
《微量元素与健康研究》
CAS
2007年第3期20-22,共3页
Studies of Trace Elements and Health
关键词
主成分分析
抱茎獐牙菜
微量元素
the principal compoenent analysis Swertia Franchehtian H. Smith trace dements