用戴安dx - 120型离子色谱仪测定大气颗粒物中的阴离子，并对其分析过程进行研究。

Anion in Air Granule is determined by DX-120 chromatographic instrument and analysis process is studied in this paper.

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介绍了北京市东西电子技术研究所（北京东西分析仪器有限公司）、开发生产的的GC-4400型便携式光离子化气相色谱仪。

Model GC-4400 Photo ionization Gas Chromatograph development by Beijing City East and west Electronic Technology Institute is described in this article.

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挥发性油用带氢火焰检测器与4270型电子积分仪的瓦里安3700型气相色谱仪分析。

Volatile oil samples were analysed on a Varian 3700 gas chromatograph equipped with FID detector and an electronic 4270 integrator.

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