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1)  Wien approximation
维恩近似
1.
A thermal temperature and emissivity separation algorithm based on Wien approximation and Alpha derived emissivity method (ADE) are proposed.
提出了一种基于维恩近似修正和阿尔法获得法(ADE)的温度和发射牢的反演方法。
2)  Born approximation
玻恩近似
1.
EM inverse scattering from phaseless data of total field under Born approximation;
玻恩近似下的无相位检测电磁成像方法
2.
Phase control of free-free transitions in bichromatic laser field is investigated employing the Born approximation.
本文利用玻恩近似理论对双模激光场中自由 -自由跃迁过程中的相位影响进行了初步研究 。
3.
This paper deals with this problem using the quantum scattering theory-born approximation,takes account of the influence of the shielding effect of the electron and limited quality of the atomic nucleus to scattering cross-section,carries on the revision to the Rutherford scattering formula according to experimental result.
利用量子散射理论———玻恩近似研究α粒子的散射问题,及散射原子核外电子的屏蔽效应和原子核的有限质量对散射截面的影响,对卢瑟福公式不能说明α粒子小角度散射,进行了修正,得到的结果和实验相符合。
3)  Born approximation
博恩近似
4)  differential cross section
二阶玻恩近似
5)  extended Born approximation
扩展玻恩近似
1.
The nonlinear inversion equation based on the extended Born approximation was derived, the two-step inverse method for reconstructing the conductivity profile was presented.
基于扩展玻恩近似和电场积分方程,建立起非线性反演方程,然后应用两步线性反演方法进行迭代反演。
6)  second Born approximation
第二玻恩近似
1.
On the second Born approximation for laser-assisted e-Ar scattering;
第二玻恩近似理论研究激光辅助e-Ar散射
2.
The absolute differential cross sections of e-Ar scattering in the laser are calculated employing the second Born approximation with optical potential model in special scattering geometry that the incident electron beam is parallel to the polarization direction of laser field.
应用第二玻恩近似理论,在电子入射方向平行于激光场的极化方向这种特殊的散射模式下,利用光学型对激光场中电子氩原子散射进行了研究。
补充资料:玻恩指数
分子式:
CAS号:

性质:是M. Born在理论处理AB型离子晶体晶格能时引入的一项与离子间斥力相关的正值经验性指数。设离子间距为r的离子间斥力与m+1次方成反比,则一对离子间的总位能为u=,式中第二项即为与排斥作用对应的位能。在此基础上可导出晶格能公式U=,式中r0。为离子间平衡距离,w为离子电价,e为电子电荷,N与α分别为阿弗加德罗常数与马德隆常数,显然为算出U值还必须导入m值,即玻恩指数。玻恩指数与离子的构型相关,如碱金属卤化物的m=9,可由晶体实测压缩系数中求出。对于正、负离子非等价的场合,U公式中的ω2需代之以ω+ω-。

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