力常数

  • 网络force constant
力常数力常数
  1. 基于裸DNA晶体结构的DNA结构力常数的计算

    Calculation on structural force constant of DNA based on naked DNA crystal data

  2. 石墨Raman活性模E(2g)的压缩行为及C&C键力常数的压力效应

    The compression behaviour of Raman active mode e_ ( 2g ) of graphite and the pressure effect of force constant of C-C bonding

  3. C(60)分子振动谱力常数模型的计算

    The Calculation of Force - constant Model for the Vibrational Spectrum of C60

  4. 几种常用金属材料的X射线应力常数测定

    Determination of X-Ray Stress Parameter ( K_2 ) of Some Metals

  5. 钨合金材料X射线应力常数研究

    X - ray stress constant of tungsten alloy

  6. 拉压载荷下的X射线应力常数

    X-Ray Stress Constants under Tensile or Compressive Loading

  7. Mg2~+等双原子体系的力常数计算

    Quantum Chemical Calculation of the Force Constants of Mg | and Other Diatomic Systems

  8. 铍材应力常数的X射线法测试

    Measurement of X-ray Stress Constant of Beryllium

  9. 分子振动力常数计算中的∧矩阵和f矩阵的性质

    Nature of the ∧ and the F Matrix in the Calculation of Force Constants of Molecular Vibration

  10. 测试了Cf/SiC复合材料的X射线应力常数和表面残余应力,研究了其是否存在择优取向。

    Tested the Cf / SiC composites X-ray stress constants and surface of the residual stress , whether there are preferred orientation .

  11. 在ABINITIO水平上获得了多原子分子的力常数。

    Based on ab initio calculation , force constants of polyatomic molecule are obtained .

  12. 2P轨道不同标度对OH2、CH2分子几何构型和力常数计算的影响

    The effect of ao_2p scale factor on the equilibrium geometry and force constants for molecules oh_2 and ch_2

  13. 一种计算半导体力常数的简单途径对GaAs(111)-2×2表面声子研究的应用

    A simple approach for the calculation of force constants of semiconductors application to the study of phonons at the gaas ( 111 ) - 2 × 2 surface

  14. 利用力常数可表成张量形式计算动力学矩阵D(K→),讨论了长波限下氯化铯晶体格波的运动特征。

    A tensor method to calculate the dynamical matrix of the lattice vibration of CsCl crystals was used , and the characteristics of the lattice wave of CsCl crystals in the long wave was discussed .

  15. 通过对原子间力常数的分析,可以发现Ba和Sr的离子半径对A-O之间不同性质的相互作用至关重要。

    Analysis of the real-space interatomic force constants confirms that the ionic radius of Sr and Ba are crucial for different A-O interactions .

  16. 用几种不同的方法计算了hf(x1∑+)的各阶力常数,其计算结果比较一致。

    The force constants of HF ( X 1 Σ + ) are consistent with each other by using several different methods .

  17. 结果表明,铍的五个衍射晶面的应力常数差异较大,在进行X射线应力分析时,采用相应衍射晶面的应力常数,才能获得准确的应力分析结果。

    The results show that the stress constant of each plane is different from the others , so the stress constant corresponding to the diffraction plane must be adopted to acquire the exact stress value on X-ray stress analysis .

  18. 本文利用求解力常数矩阵的方法,得到了3C-SiC的声子态密度;并以此为基础对比SiC纳米棒的Raman光谱,从定性的角度对实验结果给予了初步解释。

    This article applied the method of solving the force constant matrix to obtain the phonon density of 3C-SiC , upon which the Raman spectrum could be fitted roughly and the experiment result could be qualitatively explained .

  19. 本文计算了基态自由基N2H(~2A′)的平衡几何、离解能、偶极矩、力常数和振动频率。

    The present paper is to provide the calculated results of equilibrium geometry , energy , dipole moment , force constants and vibration frequencies for the ground state free radical N_2H ( ~ 2A ' ), from which an analytical potential function has been derived .

  20. 1998年,Saito等人采用力常数模型计算了纳米碳管的声子谱,引入力常数矩阵,由此可较完整地得到碳纳米管的振动模式。

    In 1998 , Saito used the force constant model to calculate the phonon spectrum of carbon nanotube by introducing one force constant matrix ; this method completely obtained the vibration patterns of carbon nanotube .

  21. 利用Murrell-Sorbie函数拟合出了解析势能函数,并计算出光谱参数和力常数。

    The potential functions for title species were constructed by fitting the energy curves to the Murrell-Sorbie function , and the spectral data and force constants are derived .

  22. 应用经典的改良平均偶极子定向(IADO)法和间略微分重叠(INDO/2)分子轨道法计算了无机络合物中离子&配位体键的力常数。

    Force constants of transition metal ion-ligand bond calculated by means of the classical Improved Average Dipole Orientation ( IADO ) method and Intermediate Neglect of Differential Overlap ( INDO / 2-MO ) method are presented .

  23. 首次测量了YCaO(BO3)3晶体的全部压电应变常数、压电应力常数、弹性柔顺常数、弹性刚度常数以及介电常数。

    All of the piezoelectric strain constants , piezoelectric stress constants , elastic compliance constants , elastic stiffness constants and dielectric constants of YCaO ( BO 3 ) 3 single crystal have been determined for the first time .

  24. 导出了PuO和PuH双原子分子的Murrell-Sorbie势能函数曲线,在此基础上推导出光谱项常数和力常数。

    Secondly , the Murrell-Sorbie potential energy functions for the diatomic molecules PuO and PuH have been obtained according to the ab initio data through the least square fitting . The spectroscopic constants for PuO and PuH have been derived from the potential energy functions .

  25. 聚乙烯的杨氏模量及力常数的计算

    Calculations of the Young 's Module and Force Constants of Polyethylene

  26. 分子振动中二类力常数的关系

    Relationship Between Two Kinds Of Force Constant In Molecular Vibration

  27. 红外晶格振动频率求和律与力常数

    Frequency sum rule of infrared lattice vibration and force constants

  28. 纤锌矿类型晶体的力常数和动力学矩阵

    Force Constants and Dynamic Matrix of the Wurtzite Type Crystals

  29. 无机络合物中离子&配位体键的力常数计算

    Force constant calculation of ion-ligand bonds in the inorganic complexes

  30. 用微振动理论确定分子的力常数

    Determining the force constants of molecules by microvibration theory