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单词	mass spectrometry
释义	mass spectrometry noun : an instrumental method for identifying the chemical constitution of a substance by means of the separation of gaseous ions according to their differing mass and charge called also mass spectroscopy mass spectrometric adjective mass spectrometer noun Example Sentences Recent Examples on the Web The instrument inside the luggage is actually performing gas chromatography-mass spectrometry (GC-MS), which is a gold-standard analytical technique to finely separate out the components of a mixture. Beth Mole, Ars Technica, 15 Apr. 2022 In the early 1990s, a technique called tandem mass spectrometry made testing for as many as 50 different diseases faster and cheaper. Mark Johnson, jsonline.com, 29 Apr. 2022 Some are able to check their drugs with infrared or mass spectrometry, tools traditionally used by forensic teams that are now being adopted by harm-reduction groups to test drugs. Nadia Kounang, CNN, 17 Mar. 2022 Called laser ablation inductively coupled mass spectrometry, or LA-ICP-MS, the technique uses a laser to remove a tiny speck of material, invisible to the naked eye. Carolyn Wilke, Smithsonian Magazine, 24 Nov. 2021 Items were transported to the lab in a cooler in their original packaging, and then each menu item was blended into a slurry, the liquid tested for these chemicals via a technique called gas chromatography-mass spectrometry. Washington Post, 27 Oct. 2021 Items were transported to the lab in a cooler in their original packaging, and then each menu item was blended into a slurry, the liquid tested for these chemicals via a technique called gas chromatography-mass spectrometry. Laura Reiley, Anchorage Daily News, 27 Oct. 2021 The company is seeing a rise in demand primarily for its life science mass spectrometry business, with segment sales surging 46% y-o-y in Q2 to $193 million. Trefis Team, Forbes, 7 Sep. 2021 The scientist verifies ambergris using a technique known as capillary gas chromatography–mass spectrometry and then Ambergris Connect issues authenticity reports to buyers. Smithsonian Magazine, 2 Sep. 2021 See More Word History First Known Use 1926, in the meaning defined above Medical Definition mass spectrometry noun : an instrumental method for identifying the chemical constitution of a substance by means of the separation of gaseous ions according to their differing mass and charge called also mass spectroscopy
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