By comparing the UV absorption value of esterifiable edible oil, several conjugated fatty acid content was analyzed and can be used as the basis for people to choose the edible oil.
通过对几种市面上常见食用油甲酯化处理，比较其紫外吸收值，分析几种食用油共轭脂肪酸的含量高低，为人们对食用油的选择提供一个依据。
As a result, they exert effect on it by changing its UV absorption peak value. The Pb 2 + has the greatest effect on the DNA conformation.
结果显示重金属铅、镉、锌均可影响小麦dna构象，使其紫外吸收峰值发生变化。
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