First, a working curve must be made according to the colour gradation data and then the density of the substances is found out with the help of the extinction value of the water samples on it.
依据色阶数据制成工作曲线，再依水样的吸光值从工作曲线找出对应的物质浓度。
This paper introduces a new method which can obtain the extinction value linear to the concentration for the atomic absorption spectrometry (AAS) and atomic resonant fluorescent spectrometry (ARFS).
提出一种使原子吸收与原子共振荧光光谱分析均能得到与被测元素浓度成线性关系的消光值的方法。
A more moderate treatment was spur pruning (spur extinction) which had less effect on yield and resulted in a moderate increase in fruit size but had the greatest crop value.
一个更温和的治疗刺激修剪(刺激灭绝)，其中减少了影响产量，导致了温和的增长果实大小，但最大的作物的价值。
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