光谱背景 spectral background
- 结果表明,用腈纶网做样品底托,光谱背景底,分析灵敏度高。
The spectral background was lower. Sensibility of the analysis of Au is increased. - 首先, 要扫瞄一个装有蒸馏水的比色皿作为空白,以提供一个光谱背景。
First, a cuvette filled with distilled water must be scanned as a blank to provide a spectral background. - 得到待测样品吸收光谱的通常方法是,将样品的透射光谱和不含样品的背景光谱进行差减计算。
The common used method of getting the absorption spectrum is to subtract the background spectrum from the transmission spectrum of the sample.
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