| 单词 | mass spectrometer |
| 释义 | mass spectrometernoun Physics.a device for identifying the kinds of particles present in a given substance: the particles are ionized and beamed through an electromagnetic field and the manner in which they are deflected is indicative of their mass and, thus, their identity. Origin of mass spectrometerFirst recorded in 1930–35 Words nearby mass spectrometermass ratio, mass shooting, mass society, mass sociogenic illness, mass spectrograph, mass spectrometer, mass spectroscope, mass spectroscopy, mass spectrum, masstige, mass transit Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for mass spectrometermass spectrometer mass spectroscopenounan analytical instrument in which ions, produced from a sample, are separated by electric or magnetic fields according to their ratios of charge to mass. A record is produced (mass spectrum) of the types of ion present and their relative amounts Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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