male chemist operating gc auto-samplers for sample analysis with main computer. integration of advanced technology and scientific expertise in modern chemical research. - 質譜儀 個影片檔及 b 捲影像00:09
researcher analyzing test results from gas chromatography-mass spectrometer. highlights the integration of advanced technology in scientific research. - 質譜儀 個影片檔及 b 捲影像00:08