The derivative ratio spectra is found by derivation of the ratio of the spectra of compounds in a mixture to the spectra of the interfering component against the wavelength.

利用混合物的波谱除以干扰组分的波谱得比值波谱，对波长求导得比值导数波谱，由此可消除干扰组分的吸光度叠加效应。

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Instrumental installation, column, conditions, sample disposal, interfering component elimination, minimum detectable concentration, repeatability and applications cf the method were reported.

文中对仪器装置、色谱条件、样品处理、干扰物的消除、最小检测浓度、重复性、方法应用等进行了报导。

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The component inhibits stinging cells from firing by interfering with several stages of their biochemical pathway, from the sensing mechanism through to reducing the pressure in the cells.

BBC: Sting relief for summer swimmers