非谐项的英文

• anharmonic term

• 非:    mistake; wrong; errors
• 谐:    in harmony; in accord; in tu ...
• 项:    nape
• 非谐:    anharmonic; unharmonic
• 非谐比:    anharmonic ratio

例句与用法

1. Treating the anharmonic terms of potential energy as perturbations , and employing the formulas for atomic displacements and hamiltonian in phonon occupation number representation , the formulas for thermal expansion coefficients of crystal nano - wires are derived and the numerical calculations are carried out in this paper
   摘要将原子间相互作用势的非谐项作为微扰，运用声子数表象中的晶格原子振动位移和晶格振动哈密顿公式，推导了纳米晶体线的热膨胀系数公式，并进行了数值计算。