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close-packed hexagonal lattice

См. также в других словарях:

  • hexagonal close-packed lattice — Смотри гексагональная плотноупакованная (ГПУ) решетка (Г12) …   Энциклопедический словарь по металлургии

  • Close-packing of spheres — hcp and fcc close packing of spheres In geometry, close packing of spheres is a dense arrangement of equal spheres in an infinite, regular arrangement (or lattice). Carl Friedrich Gauss proved that the highest average density – that is, the… …   Wikipedia

  • Carbide — For the software development tool targeting the Symbian OS, see Carbide.c++. Calcium carbide. In chemistry, a carbide is a compound composed of carbon and a less electronegative element. Carbides can be generally classified by chemical bonding… …   Wikipedia

  • Lonsdaleite — Hexagonal diamond or commonly Lonsdaleite (named in honour of Kathleen Lonsdale ) is an allotrope of carbon with a hexagonal lattice, believed to form when meteoric graphite falls to Earth. The great heat and stress of the impact transforms the… …   Wikipedia

  • гексагональная плотноупакованная (ГПУ) решетка (Г12) — [hexagonal close packed lattice] гексагональная решетка, в элементарной ячейке которой имеется дополнительный атом в узле с кристаллографическими индексами [1/3, 2/3, 1/2]; Смотри также: Решетка триклинная решетка тетрагональная решетка …   Энциклопедический словарь по металлургии

  • crystal — crystallike, adj. /kris tl/, n., adj., v., crystaled, crystaling or (esp. Brit.) crystalled, crystalling. n. 1. a clear, transparent mineral or glass resembling ice. 2. the transparent form of crystallized quartz. 3. Chem., Mineral. a solid body… …   Universalium

  • Crystal — /kris tl/, n. 1. a city in SE Minnesota, near Minneapolis. 25,543. 2. a female given name. * * * I Any solid material whose atoms are arranged in a definite pattern and whose surface regularity reflects its internal symmetry. Each of a crystal s… …   Universalium

  • Crystal structure — In mineralogy and crystallography, crystal structure is a unique arrangement of atoms or molecules in a crystalline liquid or solid. A crystal structure is composed of a pattern, a set of atoms arranged in a particular way, and a lattice… …   Wikipedia

  • Sphere packing — In mathematics, sphere packing problems are problems concerning arrangements of non overlapping identical spheres which fill a space. Usually the space involved is three dimensional Euclidean space. However, sphere packing problems can be… …   Wikipedia

  • Curium — This article is about the chemical element. For the ancient city located in Cyprus, see Kourion. americium ← curium → berkelium …   Wikipedia

  • Cubic crystal system — A rock containing three crystals of pyrite (FeS2). The crystal structure of pyrite is simple cubic, and this is reflected in the cubic symmetry of its natural crystal facets …   Wikipedia

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