A gas chromatographic method is introduced for the analysis of trace organic components in beer, including sampling, pretreatment and column.
介绍了一种啤酒痕量有机组分的气相色谱分析方法，包括取样、样品处理及色谱柱的选择。
Through this system, trace gases, aerosol, volatile organic components, greenhouse gases, solar radiation, dry and wet deposition and meteorological elements can be observed continuously.
这些观测系统对微量气体、气溶胶、挥发性有机物、温室气体、太阳辐射、干湿沉降、气象要素等进行连续观测。
Through this system, trace gases, aerosol, volatile organic components, greenhouse gases, solar radiation, dry and wet deposition and meteorological elements can be observed continuously.
这些观测系统对微量气体、气溶胶、挥发性有机物、温室气体、太阳辐射、干湿沉降、气象要素等进行连续观测。
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