- rhombohedral symmetry
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ромбоэдрическая симметрия
Англо-русский словарь терминов металлургии и сварки. 2011.
rhombohedral symmetry
Смотреть что такое "rhombohedral symmetry" в других словарях:
rhombohedral — adjective having threefold symmetry • Syn: ↑trigonal • Similar to: ↑symmetrical, ↑symmetric • Derivationally related forms: ↑rhombohedron • Topics: ↑ … Useful english dictionary
Digenite — from the East Colusa Mine, Butte, Montana, USA. Specimen size = 4.3 cm General Category Sulfide mineral … Wikipedia
Crystal system — Diamond crystal structure consists of face centered cubic lattice. In crystallography, the terms crystal system, crystal family, and lattice system each refer to one of several classes of space groups, lattices, point groups, or crystals.… … Wikipedia
Space group — In mathematics and geometry, a space group is a symmetry group, usually for three dimensions, that divides space into discrete repeatable domains. In three dimensions, there are 219 unique types, or counted as 230 if chiral copies are considered… … Wikipedia
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
Magnetocrystalline anisotropy — is the dependence of the internal energy of a ferromagnet on the direction of its magnetization. As a result, certain crystallographic directions are preferred directions, or easy axes, for the magnetization. It is a special case of magnetic… … Wikipedia
Crystal structure of boron-rich metal borides — Two single crystals of YB66 (1 cm diameter) grown by floating zone technique using (100) oriented seeds. In the top crystal, the seed (left from the black line) has same diameter as the crystal. In the bottom crystal (sliced), the seed is much… … Wikipedia
Cleavage (crystal) — Green fluorite with prominent cleavage. Cleavage, in mineralogy, is the tendency of crystalline materials to split along definite crystallographic structural planes. These planes of relative weakness are a result of the regular locations of atoms … Wikipedia
Miller index — Planes with different Miller indices in cubic crystals … Wikipedia
Samarium — promethium ← samarium → europium ↑ Sm ↓ … Wikipedia
Quasicrystal — Atomic model of an aluminum palladium manganese (Al Pd Mn) quasicrystal surface. Similar to Fig. 6 in Ref.[1] A quasiperiodic crystal, or, in short, quasicrystal, is a structure that is ordered but not periodic. A quasicrystalline pattern can… … Wikipedia
