积分的

Aimed at increasing the accuracy and speed of BEM , meanwhile decreasing taken up memory, this dissertation has studied singular integrals and nearly singular integrals of BEM , surface BEM character and multipole BEM delaminating .

本论文以提高边界元的精度和计算速度，降低计算机内存占用为目标，研究了边界元的奇异积分和接近奇异积分计算方法、曲面边界元特性以及多极子边界元分层和存储技术，提出了高精度快速边界元法，并运用该方法初步计算了特高压绝缘子上电位和电场强度分布。

Triple integral expression of the radiation impedance of square piston is deduced and the numerical results of the radiation impedance are calculated with the method of Gaussian numerical integral.

利用高斯数值积分方法，推导了方形活塞辐射阻抗的三重积分表达式，计算了方形活塞声源的辐射阻抗。

Then the information of nocturnal penile tumescence was recorded by the NEVA, and the results were retrieved and analyzed in the next morning.

结果93例为心理性ED：在19—69岁的5个年龄组中，重度ED的比例由11.8％到55.0％，NEVA中度异常者IIEF积分（12.98 2.58）分，NEVA重度异常者IIEF积分（7.32 1.04）分。

This thesis discusses the extrapolation and combination algorithms for solving Volterraintegral equation, especially, first kind weakly singular Volterra integral equations, the-oretically and methodologically.

本文首次从理论和方法上论述了解Volterra积分方程，尤其是第一类弱奇异Volterra积分方程的机械求积法及其外推和组合算法的可行性。

Using the divergence theorem, converted the area integral of the flux of stress for the surface force to a volume integral of the divergence of stress.

应用散度定理，将通量应力的面积积分转换成应力散度的体积积分。

Staring with the mathematic model of MoM, Introduce the processes of computing the PECs scattering with surface field integral equation and the inhomogenous dielectric bodies scattering with volume electronic field integral equation, then program to implement these processes as well.

从矩量法的数学模型出发介绍了用表面场积分方程计算PEC散射和用体电场积分方程计算非均匀介质体散射的实施过程，并编程实现之。

The mice were sacrificed on 7, 10, 14, 21 and 28 days post-inoculation and then the hearts were aseptically removed. Pathological changes in the myocardium were observed by light microscopy and the expression of the CD4+ T lymphocyte in the myocardium was determined by immunohistochemistry. ResultsThe CD4+ T lymphocyte was found in the myocardium in the CVB3 infection group.

分别于接种病毒后第7、10、14、21、28d随机取正常对照组小鼠3只、病毒感染组小鼠8只断髓处死，无菌条件下取心脏，光镜下观察心肌组织的病理变化并计算心肌病理组织学积分，应用免疫组化方法检测CD4+ T细胞在心肌中的表达，并与心肌病理组织学积分作相关性分析。

Triangle lens is best in uniformity, and hexangular lens has better light collecting efficiency.

利用三角形积分透镜可以获得最佳的照明均匀性，但光能利用率相对较低，六角形积分透镜可同时获得较高的照明均匀性和光能利用率。

When system error is very huge, integral effect will be weakened even disappeared, and when the error is small,the effect will be enhanced. Overshoot caused by overlarge integral coefficient is solved completely, even saturation state or static difference due to little integral coefficient.

在改进的控制算法中，积分增量在整个控制过程中是变化的，系统偏差大时积分作用减弱甚至全无，而在偏差小时则加强。

The former is collocated exclusively on the uncracked boundary, and the latter on one side of the crack surface.

位移边界积分方程的源点配置在非裂纹边界上，面力边界积分方程的源点配置在裂纹面上。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。