Correlation coefficients between the thermal conductivity and bulk density, open porosity, permeability and raw material grade was obtained respectively.
另外，还计算了导热系数与体积密度、显气孔率、透气度和原料等级之间的相关系数。
The results showed that contents of polyphenols, catechins, caffeine and amino acids decreased, off_flavor aroma got weak and tea cream decreased with the drop of raw material grade.
结果表明，随原料级别的降低，所制罐装绿茶水中多酚类、儿茶素、咖啡碱、氨基酸的含量下降；
The results showed that contents of polyphenols, catechins, caffeine and amino acids decreased, off_flavor aroma got weak and tea cream decreased with the drop of raw material grade.
结果表明，随原料级别的降低，所制罐装绿茶水中多酚类、儿茶素、咖啡碱、氨基酸的含量下降；
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