Objective:To establish a gas chromatography(GC)method to determine concentrations of eucalyptol, artemisia ketone, camphor and caryophyllene in Qingyin injection.

目的：建立青银注射液中桉油精、蒿酮、樟脑、石竹烯含量的气相色谱测定方法。

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A method was established for determination of a 7% d-cyphenothrin insecticidal aerosol using an ultrasound extraction pretreatment followed by gas chromatography (GC).

建立了7%右旋苯氰菊酯杀虫烟雾剂的超声萃取前处理方法和气相色谱分析方法。

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The release mechanism of dissolved and colloidal substances(DCS) during repulping of mixed office wastepaper(MOW) was investigated using gas chromatography(GC).

利用气相色谱技术分析了混合办公废纸碎浆过程中DCS（溶解与胶体物质）的生成机制。

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