查询词典 integral calculus

This dissertation applies 3-D finite element theory to development of the shape functions and stiffness matrixes of the triangular prism isoparameter elements (6 to 15 nodes). A calculating method for Gaussian integral in triangular prism is presented.

本文应用三维有限元理论，构造了一类五面体6～15节点单元的形函数，提出了在五面体单元内的Gauss积分处理方法，建立了相应的单元刚度矩阵，将其与六面体8～21节点单元结合，可用于计算焊接钢结构的应力场。

Finally by the example explained that this kind strives for the projection the method in the computation triple integral application.

最后以实例说明这种求投影的方法在计算三重积分中的应用。

During numerical integration the triple integral is time consuming and divergent when the number of higher waveguide modes increases.

本文首先建立波导宽边中心倾斜孤立辐射裂缝的积分方程，然后用矩量法求解得到了孤立缝的S参数及归一化等效阻抗。

By constructing a new Lyapunov-Krasovskii function, using free-weighting matrix and triple integral approach, a controller design scheme is proposed in terms of linear matrix inequalities.

通过构造新的Lyapunov泛函，引入自由权矩阵和三重积分，以线性矩阵不等式形式给出了控制器的设计方案。

The organism , triple having composed director quality's on secondary entirety of triple are integral.

三者从整体上构成了管理者素质的有机体，三者缺一不可。

Holds true whenever the diameter of the largest subregion is less than, then A is said to be the triple integral of function over the region ,written

任给， 存在，对的任意一个分法，设小区域为，它们的体积用表示，在每个中任取一点，当小区域的最大直径小于时，不等式成立，则成为在D上的三重积分，记作，或。

Triple integral equation.

三重积分方程

Using triple integral equation based on scalar Green function for forward modeling transient electromagnetic response to a 3 D anomalous body, a frequency response of electromagnetic field component has been evaluated first on frequency domain, then the evaluated results has been transformed into time domain by using fast numeric filtering algorithm.

用基于张量格林函数的体积分方程对三维异常体进行瞬变电磁响应的正演模拟，首先在频率域内计算电磁场分量的频率域响应；然后利用快速数字滤波技术将计算结果转换到时间域。

Methods Taking 25mmHg as standard of leg venous hypertension, by means of triple integral, the optimal pressures against venous hypertension were worked out and four layer bandage was designed in the purpose of sustained pressure regulated compression for the healing of venous ulcers.

以25mmHg为下肢静脉高压标准，用Van'tHoff渗透压定律计算出最佳分段外加压力的数据，并相应进行四层加压包扎的设计。

Ache with tristearin, sodium or nitrify cotton is coagulating agent, adopt the legal system of two steps Bei technology, in 65 ℃ respond , shell mellow wine: tristearin acid: the best proportion of the sodium of sodium hydroxide is 91: 6.5: 1, compound with two methods solid shell mellow wine, at the same time join stabilizing agent , eliminate smoke dose , restrain volatilizer and fireworks modifier etc., is as hydration alumina eliminate smoke dose, raise the integral performance of solid shell pure fuel.

以硬脂酸钠或硝化棉为凝固剂，采用两步法制备工艺，在65℃时进行反应，甲醇：硬脂酸：氢氧化钠钠的最佳比例为91：6.5：1，用两种方法配制出的固体甲醇，同时加入稳定剂、消烟剂、抑制挥发剂、焰火改性剂等，如水合氧化铝作为消烟剂，来提高固体甲醇燃料的综合性能。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。