Примеры использования Tetrahedra на Английском языке и их переводы на Русский язык
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Tetrahedra can achieve a packing of at least 85.
This acid is composed of the phosphorus-oxygen tetrahedra either.
Adding tetrahedra to all 8 faces creates the stellated octahedron.
Others manage to create bubbles forming cubes, tetrahedra and other shapes and forms.
The optimal packing is the hexagonal close packing, which consists of the tetrahedra.
Aristotle claimed that tetrahedra could fill space completely.
As the name suggests,it can be constructed by joining two tetrahedra along one face.
Isolated phosphorus-oxygen tetrahedra(without P-O-P bonding) can be found in crystalline substances.
However, after this it can no longer be triangulated into tetrahedra without adding new vertices.
The crystal structure of pyroxferroite contains silicon-oxygen chains with a repeat period of seven SiO4 tetrahedra.
A twisted prism cannot be dissected into tetrahedra without adding new vertices.
In particular, there exist tetrahedra for which none of the vertices have altitudes with a foot inside the opposite face.
These compounds contain a layer polymeric anion consisting of HPO3 tetrahedra linked by hydrogen bonds.
The Si 3N 4 tetrahedra in β-Si 3N 4 are interconnected in such a way that tunnels are formed, running parallel with the c axis of the unit cell.
They are generated from 6 related Goursat tetrahedra rational-order symmetry groups:,,,,, and.
The Möbius configuration is a three-dimensional analogue of the Möbius-Kantor configuration consisting of two mutually inscribed tetrahedra.
It is impossible to partition the Schönhardt polyhedron into tetrahedra whose vertices are vertices of the polyhedron.
These two tetrahedra together with the tetrahedron of the remaining 4 points form a desmic system of three tetrahedra. .
A basic structure of five silicon and aluminum tetrahedra result in a cage-like structure with large open spaces or"pores.
The four-dimensional hypercube graph Q4 is the Levi graph of the Möbius configuration formed by the points andplanes of two mutually incident tetrahedra.
For example, a regular octahedron with two tetrahedra attached on opposite faces constructs a 60 degree trigonal trapezohedron.
Inorganic acids containing phosphorus and oxygen andmost of the salts of these acids are composed of oxygen tetrahedra, each with the phosphorus atom in the center.
Octahedra and tetrahedra can be alternated to form a vertex, edge, and face-uniform tessellation of space, called the octet truss by Buckminster Fuller.
Such a polytope can be obtained from a tetrahedron by repeatedly gluing additional tetrahedra one at a time onto its triangular faces.
Thus, there are five configurations with tetrahedra, and they correspond to the five conjugacy classes of the symmetric group S 4{\displaystyle S_{4.
This polyhedron can be dissected into a central rhombic dodecahedron surrounded by:12 rhombic prisms, 8 tetrahedra, 6 square pyramids, and 24 triangular prisms.
In addition to triangles and tetrahedra, other commonly used elements in finite element simulation include quadrilateral(4-noded) and hexahedral(8-noded) elements in 2D and 3D, respectively.
Sommerville also considers the case of a simplex in four dimensions:"The Schlegel diagram of simplex in S4 is a tetrahedron divided into four tetrahedra.
A basic structure of five silicon and aluminum tetrahedra result in a cage-like structure with large open spaces or"pores.
An unstructured(or irregular) grid is a tessellation of a part of the Euclidean plane or Euclidean space by simple shapes,such as triangles or tetrahedra, in an irregular pattern.