全部

1·Absorbance ratio K-factor spectrophotometry is a new method to determine mixed components system.

吸光度比值k系数法是一种可以同时测定多元混合组分的新的分光光度法。

2·Methods The absorbance ratio of 19 roots from Amorpha fruticosa L. and 2 confusion roots were measured by UV spectrometry and used as the evidence of identification.

方法取紫穗槐根19个样品及其2个混淆品，用紫外光谱法测得吸收度比值作为鉴定的依据。

3·By statistical analysis to absorbance ratio of group characteristic frequency, it is discovered that the good relative rule consist in the ratio and binder chief properties.

通过基团特征频率吸光度比值的统计分析，发现其比值与粘结剂主要性能之间存在着很好的相关规律。

4·The ratio of peak heights of characteristic and reference peaks was adopted to observe the change of absorbance.

采用特征峰高比值与参比峰高比值的办法观测强度的改变。