数值计算

The furnace gas is applied with the ideal gas state equation.

为了改善大型渗碳炉的均匀性，本文应用数值计算方法研究圆筒形井式渗碳炉炉膛内的流动传热过程，假设炉内流场满足定常、不可压缩轴对称条件，炉内气体可以应用理想气体状态方程。

Studying the algorithm for solving ill-conditioned linear system of equations is an important task of numerical calculation studying.

病态线性方程组解法的研究是数值计算研究的一个重要课题。

This paper made the discussion and illation in order to study the influence of light speed on the precision of CRDS in measurement of the absorption coefficient. A numerical calculation has been done according to the data provided by the experiments and part of scientific literature.

为了考察吸收系数的测量精度受光速变化的影响程度，进行了相关的分析和推导，并根据实验及部分文献提供的数据进行了数值计算，得到了忽略光速变化将导致测量结果偏小的结论，偏差值与腔镜反射率有关。

The results of the speed of flow field and pressure distribution in the impeller are obtained. Some important flow phenomena are found.

并对数值计算结果进行了深入的分析研究，为叶轮的水力设计提供了有价值的信息。

The motion of airflow is driven by the imperforate and piezoelectric twin diaphragms.

分析数值计算结果，得到以下结论

In this paper the finite element method is employed to solve the streamfunction-vorticity formula for viscous incompressible fluid flowing past two-dimensional backward-facing step.

用有限元方法对不可压缩流体沿二维后台阶流动的流函数－涡量式进行数值计算，讨论了进出流边界条件的改变对流动所产生的影响。

System is used VB6.0, MATLAB6.5 and MATLAB and Visual Basic OLE interface methods of production, use VB Visual Interface, the real object-oriented, event-driven approach using the structure of high-level programming language, the perfect tool Integrated production and friendly interface and features of MATLAB numerical terms, such as a strong graphic image processing function for the core to achieve the limit, derivative, differential, integral and indefinite integral, vector algebra and analytic geometry of space for the function will be Two aspects of the unique advantages of combining the strong points, to shorten the development cycle and reduce programming difficulty, the current rapidly changing information age is of high practical value.

在线等汉-英翻译，网上在线翻译的别回！！！！！系统是采用VB6.0、MATLAB6.5 和MATLAB与Visual Basic接口OLE方法制作的，利用VB界面的可视化、真正面向对象、采用事件驱动方式的结构化高级程序设计语言、工具的完美集成和友好性特点制作界面和MATLAB的数值计算、图形图像等强大的处理功能为内核来实现函数极限、导数、微分、定积分和不定积分、空间解析几何和向量代数的求解功能；将两方面具有的独特优势结合起来，取长补短，以缩短开发周期，降低编程难度，这对当前日新月异的信息时代是具有很高的实用价值。

Firstly, the indicator function which representing the scattering characteristics is constructed.

数值计算结果表明这些方法均是有效的，可用于声波障碍散射反问题的研究中。

Numerical calculation of plane ground influence on induced current on cable by EMP.

大地对电磁脉冲感应的电缆电流影响的数值计算。

On the whole, we do as follows: Firstly, we list some conceptions and lemmas for later use. Secondly, we define δ-fine partitions for infinite interval and integral of vector-valued functions on infinite interval, and discuss the properties of integral, and characterize its primitives...

主要包括以下五部分内容：在第一部分中，我们介绍了本文所用到的基本概念和引理；在第二部分中，通过定义无穷区间上δ-精细的分法，我们给出了无穷区间上向量值函数的积分的定义，并讨论其性质，还给出了原函数的刻划；在本文的第三部分中，我们着重讨论了无穷区间上向量值函数积分的收敛定理；在本文的在第四部分中，我们首先应用无穷区间上向量值函数积分的收敛定理给出了常微分方程整体广义解的存在性定理，其次应用强积分对Banach空间常微分方程广义解进行了讨论；最后，在第五部分中，我们将模糊积分推广到无穷区间上并给出了其数值计算方法。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新