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tetragonal
tetragonal, a. (n.) (tɪˈtrægənəl) Also (in sense 4) -el. [f. prec. + -al1. So mod.F. tétragonal.] A. adj. 1. Of or pertaining to a tetragon; having four angles; quadrangular.1571 Digges Pantom. iv. T j b, When any equiangle triangle, square, or Pentagonum is..described within a circle,..their sides ... Oxford English Dictionary
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Tetragonal crystal system
Bravais lattices There are two tetragonal Bravais lattices: the primitive tetragonal and the body-centered tetragonal. The base-centered tetragonal lattice is equivalent to the primitive tetragonal lattice with a smaller unit cell, while the face-centered tetragonal lattice wikipedia.org
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Physicists Defy Haters, Create Tetragonal Ice - Gizmodo
Mar 22, 2022With Gizmodo's Molly Taft | Techmodo. Making Paint Cool in the Face of Heat. March 2, 2023. First Full-Color Images From Webb Space Telescope. July 12, 2022.
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2-D rGO impregnated circular-tetragonal-bipyramidal structure of PPY ...
The PPY-TiO 2-rGO nanocomposite was prepared similarly by chemical oxidative polymerization process.The pyrrole monomer of 0.1 M was dissolved in 60 mL of double distilled water. Afterwards, the 10% of TiO 2 nanoparticle and 0.1 gm graphene oxide (GO) was added in the solution. The 4 g APS solution in 35 mL distilled water was added drop-wise into pyrrole monomer solution.
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Tetragonal trapezohedron
In geometry, a tetragonal trapezohedron, or deltohedron, is the second in an infinite series of trapezohedra, which are dual to the antiprisms. References External links Paper model tetragonal (square) trapezohedron Polyhedra wikipedia.org
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Volume of a tetragonal pyramid Express the volume $V$ of a regular tetragonal pyramid as a function of its altitude $x$ and the edge of a lateral face (lateral edge) $y$ The answer given by the book is $\frac{2}{3} ...
Denote by $d$ the diagonal of the base. There is a orthogonal triangle with edges $d/2$, $x$ and $y$, so by the Pythagorean theorem $$ y^2 = x^2 + \frac 14d^2 $$ that is $$ d^2 = 4(y^2 - x^2) \iff d = 2\sqrt{y^2 - x^2}. $$ Now the sidelength $a$ of the base is given by $a = d/\sqrt 2$ (again by Pyth...
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Tetragonal polycrystalline zirconia
Yttria blends of approximately 3% are called either tetragonal polycrystalline zirconia or tetragonal zirconia polycrystal (forming the initialisms TZP These grades exhibit the highest toughness at room temperature, because they are nearly 100% tetragonal, but this degrades severely between 200 and 500 wikipedia.org
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what are the inner angles of a tetragonal trapezohedron I am making a 3D wooden lantern in the shape of a Tetragonal Trapezohedron. Think of a hollow Tetragonal Trapezohedron 3D object, where each face is a plank of w...
[Upright]( Front view of Tetragonal Trapezohedron. * * *
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Tetragonal disphenoid honeycomb
The tetragonal disphenoid tetrahedral honeycomb is a space-filling tessellation (or honeycomb) in Euclidean 3-space made up of identical tetragonal disphenoidal An orientation of the tetragonal disphenoid honeycomb can be obtained by starting with a cubic honeycomb, subdividing it at the planes , , and (i.e. subdividing wikipedia.org
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Weddellite
Structural properties Weddellite, or calcium oxalate dihydrate, crystallises in a tetragonal system: the classic crystal shape is the eight-face bipyramid References Calcium minerals Oxalate minerals Tetragonal minerals Minerals in space group 87 Minerals described in 1942 wikipedia.org
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Chernovite-(Ce)
Its crystal system is Tetragonal See also Chernovite-(Y) References External links Minerals Cerium minerals Yttrium minerals Arsenate minerals Tetragonal minerals wikipedia.org
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偏方面体
在结晶学多称作偏方三八面体（Tetragonal trisoctahedron）或偏方二十四面体，例如石榴石的晶形即为此类。 Paper model tetragonal (square) trapezohedron 多面体 wikipedia.org
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Apophyllite-(KF)
Fluorapophyllite crystallizes in the tetragonal crystal system. Tetragonal minerals have three axes of different lengths and angles of 90 degrees. Images References Phyllosilicates Tetragonal minerals Minerals in space group 128 wikipedia.org
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Chernovite-(Y)
It has a tetragonal crystalline structure, and has the chemical makeup of Y(AsO₄), which is yttrium, arsenic, and oxygen, at a 1:1:4 ratio. See also Chernovite-(Ce) References External links Yttrium minerals Arsenate minerals Tetragonal minerals Minerals described in 1967 wikipedia.org
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Disphenoid
Unlike the tetragonal disphenoid, the rhombic disphenoid has no reflection symmetry, so it is chiral. Honeycombs and crystals Some tetragonal disphenoids will form honeycombs. wikipedia.org
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