单词	nuclear magnetic resonance
释义	nuclear magnetic resonance noun : the magnetic resonance of an atomic nucleus also : chemical analysis that uses such resonance especially to study molecular structure Example Sentences Recent Examples on the Web This is not the place to describe nuclear magnetic resonance imaging or satellite technology in prospecting, but these had been used, without finding the coppery deposits that indicate a source of cobalt. Paul Theroux, Harper’s Magazine , 17 Aug. 2022 The team used nuclear magnetic resonance (NMR) relaxometry to measure the physical and chemical properties of the color, Ars Technica reports. Elizabeth Gamillo, Smithsonian Magazine, 9 Dec. 2021 AlphaFold’s predictions were poor matches to experimental structures determined by a technique called nuclear magnetic resonance spectroscopy, but this could be down to how the raw data is converted into a model, says Moult. Ewen Callaway, Scientific American, 1 Dec. 2020 More recently, two other experimental methods—nuclear magnetic resonance and cryogenic electron microscopy—have also been used. Jeremy Kahn, Fortune, 30 Nov. 2020 Monitoring the reactions in real-time with a mass spectrometer, a nuclear magnetic resonance machine, and an infrared spectrometer, the system eventually learned to predict which combinations would be the most reactive. Dan Falk, WIRED, 17 Mar. 2019 Alternative approaches, including nuclear magnetic resonance spectroscopy and cryoelectron microscopy, also require large amounts of a protein and can take months. Robert F. Service, Science | AAAS, 18 June 2019 Behind Olesik, in a frigid room crammed with $15.4 million worth of nuclear magnetic resonance spectrometers that look like stubby spaceships, scientists are analyzing how polymer chains interact, down to their individual amino acids. Jon Marcus, The Atlantic, 15 Oct. 2017 In their eagerness to understand the material world, scientists have invented a variety of ways to picture the interior life of cells, using X-rays, electron microscopy, or nuclear magnetic resonance techniques. David Gauthier-villars, WSJ, 5 Oct. 2017 See More Word History First Known Use 1942, in the meaning defined above Medical Definition nuclear magnetic resonance noun 1 : the magnetic resonance of an atomic nucleus 2 : chemical analysis that uses nuclear magnetic resonance especially to study molecular structure —abbreviation NMR see magnetic resonance imaging
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