...ywords uv-spectrophotometry;acesulfame-k;aspartame;sodium saccharin;principal component regression method; 关键词光度法;安赛蜜;阿斯巴甜;糖精;主成分回归法; We use saccharin in substitutionfor sugar.
Method: All compounds in annaka injection were determined simultaneously by principalcomponentregression, the results obtained by PCR were compared with those obtained by the standard method.
方法：采用主成分回归法同时测定安钠咖注射液中各组分含量，且与药典方法测定的结果进行了比较。
2
The paper discuss socioeconomic drive mechanism of land use change in Qianguo County by using the multivariate regression analysis method and the principalcomponent analysis method.
运用多元回归分析法和主成分分析法，讨论了前郭县土地利用变化的社会经济驱动机制。
3
After establishing evaluation index system, I select the method which combines the analytic hierarchy process with principalcomponentregression in determining evaluation index weight method.