With the instrument blowing and trapping to concentrate and sample and external standards, the gasoline in soil is determined quantificationally by gas Chromatography-Mass Spectrometry.
对土壤中的汽油，采用外标法，经吹扫捕吸仪浓缩后，用气相色谱-质谱法分析定量。
The odor copy instrument has been developed and the copied samples were tested by the identification of police dog and the analysis of gas chromatography and mass spectrometry.
研制了嗅源气味提取拷贝仪，并用警犬及气相色谱仪对拷贝前后的气味进行了比较，证明气味拷贝仪能将嗅源气味转移到目标气味吸附布上。
The odor copy instrument has been developed and the copied samples were tested by the identification of police dog and the analysis of gas chromatography and mass spectrometry.
研制了嗅源气味提取拷贝仪，并用警犬及气相色谱仪对拷贝前后的气味进行了比较，证明气味拷贝仪能将嗅源气味转移到目标气味吸附布上。
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