函数的积分

On the basis of Muskhelishvili's complex function theory, an auxiliary field of mixedmode crack was accomplished, and then using Betti's reciprocal work theorem, a path independent contour integral method for stress intensity factors of mixed-mode crack was obtained.

本文用复变函数理论推导出裂纹的辅助场，并用Betti功互等定理给出求解混合型裂纹应力强度因子的远场围绕积分法。

A contact problem of decagonal two?

通过引入位移函数和应用Fourier分析与对偶积分方程理论圆满解决了在一个平底冲头作用下十次二维准晶材料的接触问题，得到了此材料接触问题应力与位移的解析表达式。

The researches in this paper have offered solutions to initial value problem for ordinary differential equation involving difference of two monotone functions, ordinary differential equation with integral boundary conditions, and first-order impulsive ordinary differential equation with anti-periodic.

本文结果包含了具有两个函数差的常微分方程初值问题(当 Ik=Gk=0，λ1=λ2=0 时)，常微分方程积分边值问题(当 Ik=Gk=0，g=0，λ1=0，λ2=±1时)，一阶脉冲微分方程反周期边值问题(当 g=0，Gk=0，λ2=d=0 时)的相关结果。

This paper discusses the upper estimates of weighted eigenvalues for Dirichlet problem of membrane vibration.

考虑膜振动Dirichlet问题的带权特征值上界估计，利用试验函数、分部积分以及不等式估计等方法，建立了用前n个特征值来估计第n+1个特征值的上界估计，其估计系数与区域度量无关。

A method of calculating symmetric plane static electric field with elementary interal and simple plural function was given in this paper.

提出了一种仅利用初等积分和简单复变函数运算，求解具有一定对称性的平面静电场的方法。

In Chapter 2,we obtain some boundedness results on MK_~for a class of higher order commutators T_~m and M_~m generated by fractional integral operators T_l and maximal fractional integral operators M_l with function bin BMOrespectively.

第二章得到了一类由分数次积分算子及分数次极大算子分别和BMO函数生成的高阶交换子T_~m及M_~m在MK_~上的有界性结果。

A function was set up to deduce a second kind of Fredholm integral equation by using the basic solution of Poisson＇s equation.

将弹性扭转问题看成为泊松方程的边值问题，利用泊松方程的基本解构造了一个函数，推导出第二类Fredholm积分方程。

This paper discusses the application method s on solving frequency function and sets examples,In the two integral characters of time domain on Fourier conversion.

该文讨论傅氏变换中的二个时域积分特性，在求解频谱函数中的应用方法，并举例予以说明。

VB some arithmetic algorithm, the solutions to differential equations, and some integral function mapping tests, for beginners.

VB实现的一些数学运算算法，有解微分方程，定积分和一些函数绘图的测试，适合初学者。

In this paper,a new structural method of supplementary function is introduced, and the method is used to prove differential identical equation or integral inequality.

本文给出辅助函数新的构造方法，并将它运用于微分恒等式和积分不等式的证

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。