在高温高压下，六方晶格的石墨转变为立方晶格的金刚石。
Under the high temperature and high pressure, the hexagonal graphite crystals can change into the tetragonal diamond crystals.
双轴分子通过色散力作用，使分子质心固定在简单立方晶格的格点上。
The biaxial molecules interact via dispersion forces and the molecular centres of mass are located at the sites of a simple cubic lattice.
利用平均场近似的方法，研究了立方晶格上具有DM相互作用的混合XXZ模型的相变和临界性质。
By using the mean-field approximation method, the critical behavior of the mixed-spin XXZ model with DM interaction on the cubic lattice is studied.
用简单数学方法就体心立方晶格和面心立方晶格证明了三维情况下布里渊区体积等于倒格子原胞体积。
It is proved that the volume of Brillouin zone and that of the reciprocal lattice primitive cell are equal for BCC lattice and FCC lattice in three dimensions by a simple mathematical method.
我们还研究了PT四方相区和立方相区介电常数与晶格畸变的关系。
We also study the relation between the dielectric constant and lattice distortion of the PT tetragonal and cubic phase region.
结果表明虽然各样品均属于立方尖晶石结构但晶格常数和比表面积均不相同。
The results showed that although the structure of the samples was confirmed to be cubic spinel structure, the lattice parameter and specific surface area of the samples are different.
结果表明虽然各样品均属于立方尖晶石结构但晶格常数和比表面积均不相同。
The results showed that although the structure of the samples was confirmed to be cubic spinel structure, the lattice parameter and specific surface area of the samples are different.
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