Using symmetry-adapted force-constant lattice-dynamical method, the Raman active phonon frequencies are calculated for BC3 single-wall nanotubes with diameter between 0.

本文对单壁BC3纳米管的振动模式进行了对称性分析，利用对称性适配力常数模型计算了直径在0。

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The errors of lattice constant of compound are able to achieve 10-4, which basically meets the demand for measuring precision in displacive phase transition.

对该化合物晶格常数的测量误差可以达到10-4，基本上满足了对一般位移型相变测量要求的精度。

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The calculation results for the lattice constant, bulk modulus, cohesive and electronic band structure agree with that results of ah initio pseudpotential method.

对于平衡晶格常数、体模量、结合能和能带结构的计算结果与从头算赝势方法较接近；

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And that is that the lattice energy as is depicted by the Madelung constant is dominant.

如晶格能中的马德隆常数,就十分重要。

麻省理工公开课 - 固态化学导论课程节选