样式 发表于 2025-3-25 04:14:52
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Symmetry and Latticesnal space. The operations and operators of symmetry in two and three dimensions are defined. The proper and improper rotations and the symmetry with translation (reflection—translation and rotation—translation) and their symbols are described.armistice 发表于 2025-3-25 13:13:17
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Population Growth and Technological Changeute crystalline matter, the motif, are repeated in an orderly manner in the three-dimensional space. When a motif is systematically repeated, the result is a periodic pattern. The concepts of fundamental translation and crystalline lattice are introduced, a concept that allows the study of the cryst打包 发表于 2025-3-26 02:58:22
Fisheries and the Marine Environmentnal space. The operations and operators of symmetry in two and three dimensions are defined. The proper and improper rotations and the symmetry with translation (reflection—translation and rotation—translation) and their symbols are described.溃烂 发表于 2025-3-26 05:23:29
The Root Causes of Environmental Problemsal symmetry, both of the lattices and of the crystals. The symbol is described using the international notation of Hermann–Mauguin, showing also that of Schoenflies. The directions of symmetry and their relation to the crystallographic directions for each type of lattice, both two and three-dimensiomoribund 发表于 2025-3-26 10:58:56
Final Thoughts and Additional Resourcesduced, and the difference between general and particular equivalent positions is shown.How the spatial groups are represented in the International Crystallography Tables is described. The concepts of multiplicity, Wyckoff‘s symbol, position symmetry, and asymmetric unit are defined.谦虚的人 发表于 2025-3-26 16:05:52
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