查询词典 evaluation of integrals

So up to now,it is much significant to study two-center overlap integrals over Slater type atomic orbitals.

因此，发展基于Slater原子轨道上的双中心重叠积分，迄今仍是一个有意义的课题。

The computation on a sort of integrals of the product of spherical harmonics and trigonometric functions

采用二阶边界扰动原理，求取了用球谐函数表示的平衡装置静电场电势分布，从而推导出静电场干扰力矩公式。

In this paper, a sort of recursive formulas of spherical harmonics integrals, which often appear in the gravitational gradient harmonic analysis, are deduced according to the recursive formulas between every other order of spherical harmonics and the trigonometric functions＇properties. And the calculated formulas on the recursive initialization also are brought forward.

本文根据球谐函数的跨次递推公式和三角函数的性质，详细推导了在重力梯度调和分析中出现的一类球楷函数积分的跨次递推公式和递推初始值的计算公式。

In this work, the ferromagnetic resonance line width of a ferrite with two kinds of cations randomly distributed on a sublattice is calculated by taking into account the spatial fluctuation of both the spins and the exchange integrals.

本文同时考虑自旋矩和交换积分的室间涨落，计算了在一个次点阵上有二类阳离子无规分布的铁氧体的铁磁共振线宽。

Sell,we discuss theproblems of topological dynamics system of the equation form as x'=g+hby using Kurzweil-Henstock integrals.

借助于G.R.Sell定义的局部动力系统理论，利用Kurzweil-Henstock积分，讨论了形如〓型方程的拓扑动力系统问题。

An algebraic method is derived for calculating the number of zeros of Abelian integrals in this paper.

而文献[66]得到的结果是其上界为4，因此本文改进了已有的结论。

Especially for the problem of thin body, duple regularization of both the nearly singular integrals and ill-posed inverse problems is also successful in the two-dimensional boundary element method.

特 别对二维薄体位势边界元法，成功实现了几乎奇异积分和不适定反问题的双重正则化。

The book presents asymptotic expansions of Feynman integrals in various limits of momenta and masses, and their applications to problems of physical interest .

书提出范曼积分在冲力和群众，和他们应用在物质兴趣的问题的各种各样限制内的渐近扩大。

Geometry and Quantum Field Theory, designed for mathematicians, is a rigorous introduction to perturbative quantum field theory, using the language of functional integrals.

几何和量子场论课程是用泛函积分的语言对微扰量子场论的严谨的介绍，主要针对数学家设计。

To find the prefactor, evaluate the infinite product of gaussian integrals using the formula

为了找出前因子，用公式估算高斯积分的无限连乘

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。