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tetragonal    
a. 四角形的

四角形的

tetragonal
adj 1: of or relating to or shaped like a quadrilateral


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  • Tetragonal crystal system - Wikipedia
    In crystallography, the tetragonal crystal system is one of the 7 crystal systems Tetragonal crystal lattices result from stretching a cubic lattice along one of its lattice vectors, so that the cube becomes a rectangular prism with a square base (a by a) and height (c, which is different from a)
  • Tetragonal system | Definition Facts | Britannica
    tetragonal system, one of the structural categories to which crystalline solids can be assigned Crystals in this system are referred to three mutually perpendicular axes, two of which are equal in length
  • Donald B Peck - Crystallography: The Tetragonal System - mindat. org
    There are some 300 minerals that crystallize in the Tetragonal System (2018) Approximately 175, more than half, are classified in the Ditetragonal Dipyramidal Class About 40 minerals crystallize in the Tetragonal Scalenohedral Class; and fewer than to 25 in each of the other classes
  • Tetragonal system | Earth Sciences Museum - University of Waterloo
    Like the cubic system, the tetragonal system has three axes that all meet at 90 degrees It differs from the isometric system in that the C axis is longer than the A and B axis which are the same length This makes it’s for a rectangular prism
  • Tetragonal Crystal System - Aflowlib
    In the tetragonal system, like the orthorhombic system, the conventional unit cell is a parallelepiped, but two sides are equal, so that $a = b$ and $c \ne a$, while $\alpha = \beta = \gamma = \pi 2$, making this a special case of the orthorhombic system
  • Tetragonal Crystal Systems - globalsino. com
    Table 3551a and Figure 3551a show the tetragonal crystal systems and the schematic illustrations of the tetragonal lattices, respectively Furthermore, Table 3551c shows the cell edges and angles of tetragonal crystals
  • Tetragonal crystal system - Knowledge and References | Taylor Francis
    The tetragonal crystal system is a type of crystal structure characterized by a unit cell with four sides of equal length and perpendicular to each other, as well as a single axis of symmetry
  • Tetragonal system crystal forms - opengeology. in
    Common minerals : Zircon, Cassiterite, Rutile are the common minerals Zircon type , Sphenoidal class, prism of 1st order and 2nd order
  • Tetragonal - (Inorganic Chemistry I) - Vocab, Definition . . . - Fiveable
    Tetragonal refers to a specific type of crystal system characterized by a unit cell that has two equal axes and one axis that is different in length This structure plays an important role in determining the physical properties of materials, such as symmetry, density, and optical characteristics
  • 10. 5. 2: Characteristics of Crystals Belonging to the Different Crystal . . .
    10 5 2 3 Tetragonal System All tetragonal crystals have one 4-fold or one 4 axis of symmetry; crystals that have more than one 4-fold or 4 axis must belong to the cubic system Tetragonal crystals may also have 2-fold axes and mirror planes





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