| 单词 | x-ray diffraction |
| 释义 | > as lemmasX-ray diffraction X-ray diffraction n. Physics the diffraction of X-rays by the regularly spaced atoms of a crystalline material, esp. as a technique of X-ray crystallography. ΘΚΠ the world > matter > chemistry > crystallography (general) > [noun] > analytical techniques > X-ray diffraction X-ray diffraction1914 X-ray crystallography1920 the world > matter > physics > atomic nucleus > radioactivity > X-rays > study of crystals by X-rays > [noun] > diffraction by crystal atoms Reststrahlen1898 X-ray diffraction1914 Reststrahl1937 1914 W. L. Bragg in Proc. Royal Soc. 1913–14 A. 89 468 In a former communication to the Royal Society, an attempt was made to determine for certain crystals the exact nature of the diffracting system which produces the Laue X-ray diffraction photographs. 1969 Times 28 Jan. 6/6 X-ray diffraction techniques..show that the orientation of the graphite crystals in the fibre depends on the degree to which it is stretched during the heat treatment. 1982 R. M. Schultz in T. M. Devlin Textbk. Biochem. ii. 73 The most important of the techniques for the study of a protein's secondary, tertiary, and quaternary structure is x-ray diffraction. 2005 N.Y. Rev. Bks. 28 Apr. 19/3 A year of sophisticated archaeological and geological analysis..included core sampling and electron spectrometry and X-ray diffraction. < as lemmas |
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