| 单词 | space lattice |
| 释义 | > as lemmasspace lattice space lattice n. [after German Raumgitter (1888 in the passage translated in quot. 1895)] Crystallography a regular, indefinitely repeated array of points in three dimensions in which the points lie at the intersections of three sets of parallel equidistant planes and every point is surrounded by the same pattern of points in the same orientation; a three-dimensional Bravais lattice. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > crystal lattice > [noun] > types of space lattice1895 layer lattice1929 Bravais lattice1938 1895 W. J. Pope tr. A. Fock Introd. Chem. Crystallogr. ii. 12 Frankenheim..found that fifteen different space-lattices are possible, and then, having deduced from the cleavage and general habit of crystals that fifteen fundamental forms of crystals are possible, he showed that these latter in many respects correspond with the lattices. 1923 R. Glazebrook Dict. Appl. Physics IV. 18/2 In the crystals of very simple chemical compounds..the space-lattice is directly formed by the chemical atoms. In the more complicated crystalline substances..the space-lattice points are surrounded or replaced by groups of atoms. 1973 J. G. Tweeddale Materials Technol. I. iii. 59 Although there are countless varieties of crystals, there can be only 14 types of space lattice. 2007 Optics Communications 271 25/1 (caption) A cubic unit cell of the Yee space lattice. < as lemmas |
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