- tetragonal bipyramidal class
- 正方双锥体类
English-Chinese geology dictionary (英汉地质大词典). 2013.
tetragonal bipyramidal class
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Neodymium-doped yttrium orthovanadate — Nd:YVO4 in a frequency doubled green laser pointer. Internal construction is shown. AAA type cells and electronics lead to a laser module (enlarged in lower diagram). This contains a powerful 808 nm IR diode laser that pumps a Nd:YVO4 laser… … Wikipedia
Yttrium orthovanadate — (YVO4) is a transparent crystal. It is commonly doped with neodymium to form , an active laser medium used in diode pumped solid state lasers. Undoped YVO4 is also used to make efficient high power polarizing prisms similar to Glan Taylor prisms … 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
Orthorhombic crystal system — An example of the orthorhombic crystals, aragonite In crystallography, the orthorhombic crystal system is one of the seven lattice point groups. Orthorhombic lattices result from stretching a cubic lattice along two of its orthogonal pairs by two … Wikipedia
Phosphorus pentafluoride — Chembox new Name = Phosphorus pentafluoride ImageFile = Phosphorus pentafluoride 2D dimensions.png ImageName = Structure of the phosphorus pentafluoride molecule ImageFile1 = Phosphorus pentafluoride 3D vdW.png ImageName1 = Space filling model of … Wikipedia
