...源推介 | 知识产权声明 | 客户服务 | 万方数据气相色谱(gas chromatography,GC),六氟化硫(SF6), 大气样品 ( atmospheric sample ),羊衍秋,何玉晖,田杰,姜涛,..
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本文还参照各大气样品的不同来源，分析了NMHC的排放特征，从而确定了燕山石化区NMHC排放的典型物种。
Considering for the different sources of these samples, the emission character of atmospheric NMHC is analysed, from which the typical NMHC species in atmosphere of Yanshan is estimated.
他们将酒中的碳十四含量与生产年份大气样品中的含量进行比较，发现两者有着直接联系——碳十四含量完全可以透露每瓶酒的年份。
They compared the wine's C-14 to C-14 in atmospheric samples from the same years. And found a direct match-c-14 levels could give away the vintage year for each wine.
本方法采用由计算机控制的GC、大气样品浓缩管、电磁六通阀、真空泵及微处理机组成的全自动连续分析装置、完成定性定量分析。
This device is composed of GO-FID, a six-way valve and a vacuum pump, which is controlled by a microprocessor in GC.
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