To establish thermal desorption gas chromatography for determining benzene in the indoor air.
目的建立了用热解吸气相色谱法测定室内空气中苯的方法。
He is using gas chromatography, mass spectrometry and thermal desorption (GCMS-TD) technology to test the concentrations of VOCs in human breath.
他正在利用气相色谱-质谱分析-热脱附(GCMS - TD)技术来测试人体呼气中的VOC浓度。
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