利用高效液相色谱-紫外检测器测定大气颗粒物中的PAH_s，建立了多元梯度淋洗程序，并选择合适的吸收波长测定出15种美国EPA优先控制的PAH_s。

Meantime, we obtained multiple-unit gradient program and appropriate absorbance wavelength to measure 15 PAH_s with controlled priority listed by the US EPA.

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介绍一种新型的高效液相色谱紫外可见检测器。

A novel UV-vis detector for high performance liquid chromatography (HPLC) was introduced.

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紫外吸收光学检测器是高效液相色谱中最常用的检测器。

Ultra-violet absorbance optical detector (UV detector) is most used in high performance liquid chromatography (HPLC).

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