- lower symmetry
- мат. симметрия низшего порядка
Большой англо-русский и русско-английский словарь. 2001.
lower symmetry
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Broken symmetry — is a concept, developed by Lee and Yang, used in mathematics and physics when an object breaks either rotational symmetry or translational symmetry. That is, when one can only rotate an object in certain angles or when one is able to discern if… … Wikipedia
quasicrystal — /kway zuy kris tl, kway suy , kwah see , zee /, n. a form of solid matter whose atoms are arranged like those of a crystal but assume patterns that do not exactly repeat themselves. [1985 90] * * * Introduction also called quasi periodic crystal … Universalium
Group (mathematics) — This article covers basic notions. For advanced topics, see Group theory. The possible manipulations of this Rubik s Cube form a group. In mathematics, a group is an algebraic structure consisting of a set together with an operation that combines … Wikipedia
Density of states — Condensed matter physics Phases · Phase tr … Wikipedia
Melting point — For the physical processes that takes place at the melting point, see Melting, Freezing and Crystallization The melting point of a solid is the temperature at which it changes state from solid to liquid. At the melting point the solid and liquid… … Wikipedia
16-cell — Regular hexadecachoron (16 cell) (4 orthoplex) Schlegel diagram (vertices and edges) Type Convex regular 4 polytope Schläfli symbo … Wikipedia
Uniform polyhedron — A uniform polyhedron is a polyhedron which has regular polygons as faces and is transitive on its vertices (i.e. there is an isometry mapping any vertex onto any other). It follows that all vertices are congruent, and the polyhedron has a high… … 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
Cubic harmonic — Cubic harmonics In fields like computational chemistry and solid state and condensed matter physics the so called atomic orbitals, or spin orbitals, as they appear in textbooks[1] … Wikipedia
Perovskite — A perovskite is any material with the same type of crystal structure as calcium titanium oxide (CaTiO3, known as the perovskite structure . Perovskites take their name from this compound, which was first discovered in the Ural mountains of Russia … Wikipedia
24-cell — Schlegel diagram (vertices and edges) Type Convex regular 4 polytope Schläfli symbol {3,4,3} t … Wikipedia
