单词	gas chromatograph
释义	gas chromatograph noun : an instrument used to separate a sample into components in gas chromatography Example Sentences Recent Examples on the Web The device, fitted with a gas chromatograph, was with Dr. Lovelock on his Antarctic voyage, and his findings helped confirm links between chlorofluorocarbons and the hole in the ozone layer. Brian Murphy, Washington Post, 28 July 2022 Kerth and his colleagues have studied this process in the lab, searing steaks to precise specifications and feeding the results into a gas chromatograph, which measures the amount of each volatile chemical produced. Bob Holmes, Smithsonian Magazine, 25 June 2021 So the scientists ran the extract through a tool called a gas chromatograph to separate the chemicals. Theresa Machemer, Smithsonian Magazine, 25 Mar. 2021 The primary instrument on the Viking landers, a gas chromatograph-mass spectrometer, used heat to try and find these molecules. Ashley May, USA TODAY, 12 July 2018 Although almost completely paralyzed, Rhyme works with utmost efficiency from the living room of his townhouse, which comes fully equipped with high-tech gadgets, including a very serious gas chromatograph/mass spectrometer. Marilyn Stasio, New York Times, 13 Apr. 2018 Word History First Known Use 1958, in the meaning defined above Medical Definition gas chromatograph noun : an instrument used to separate a sample into components in gas chromatography
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