| 单词 | bragg's law |
| 释义 | Bragg's lawnoun Physics.the law that the intensity of a crystal reflection of an x-ray is a function of the angle (Bragg angle ) that is the complement of the angle of incidence of the x-ray. Origin of Bragg's lawFirst recorded in 1910–15; named after Sir W. H. and Sir W. L. Bragg Words nearby Bragg's lawbraggadocious, braggart, bragger, bragging rights, Bragg scattering, Bragg's law, braggy, Bragi, Brahe, Brahma, brahmachari Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for Bragg's lawBragg's law nounthe principle that when a beam of X-rays of wavelength λ enters a crystal, the maximum intensity of the reflected ray occurs when sin θ = n λ/2 d, where θ is the complement of the angle of incidence, n is a whole number, and d is the distance between layers of atoms Word Origin for Bragg's lawC20: named after William and Lawrence Bragg 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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