电磁场

Gu X M%Liu W%Liang M K The effect of electric field on phase sepatation in glasses:a mode and experimental testing Materials Science and Engineering A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING , 2000,null

代威%傅正义%卢北平%张丰收电磁场在材料科学中的应用国外建材科技， 2004，(3)李世辉%张长春%于妍%迟剑峰塑料成型加工过程中场致作用的应用研究工程塑料应用， 2004，3

In order to get the optimum model, the electric field in the gun is calculated, and the process of beam emission is simulated considering the space charge effects.

通过枪体内电磁场模拟计算、优化电子枪形状、并且在考虑空间电荷效应情况下对电子束发射过程进行模拟，得到了满足设计要求的束斑尺寸。

The electromagnetic field of permanent magnet retarder was calculated by using code ANSYS.

利用ANSYS软件对永磁式缓速器的电磁场进行计算。

Based on the concept of averaging electromagnetic field, the optical constants of Goodwin synthetic ash, Chinese Qitaihe coal ash and Russian ash Br-1 were calculated by Maxwell-Garnett and Bruggeman effective medium theory. Computational results show that, for the synthetic coal slag, the optical constants estimated by EMT consist with the experimental values, but for the coal-ash produced in combustion, the optical constants estimated by EMT using industrial analytical species deviate far from the experimental values.

基于电磁场平均的概念，利用Maxwell-Garnett和Bruggeman有效介质理论分别对Goodwin人工合成灰渣、中国七台河矸石煤灰、俄罗斯褐煤灰Br-1 3组煤灰的光学常数进行计算，结果表明，人工合成灰渣光学常数的有效介质理论值与实验值吻合，而利用工业分析成分，燃烧生成煤灰光学常数的有效介质理论值与实验值有较大偏差。

is applied to construct the three-dimension model for finite element analysis. Short circuit and open circuit of the field winding and the teeth and slots structure of the rotor are discussed. An appropriate three-dimensional mesh is made. The corner point problem of conductor is eliminated. Furthermore, a new memory structure for sparse complex matrix and a PCCG method based on it are introduced to save memory and computation time.

在汽轮发电机失磁异步运行转子三维涡流场数值计算模型中，应用了〓法建立了三维有限元计算模型，考虑了转子绕组的开、短路状态及转子齿槽结构，形成了合适的三维剖分网格，解决了三维电磁场有限元计算中角点奇异的问题，创立了一种新的稀疏矩阵的存储格式以及基于该格式的预处理复数共轭梯度法从而减少内存开销和加快了求解速度。

This thesis introduces a hybrid algorithm to model electromagnetic field in inhomogeneous medium, which combines integral equation method and finite element method.

本文介绍了联合运用积分方程法与有限元法计算三维非均匀介质中电磁场分布的理论方法，并给出了数值模拟实验结果。

Using matlab to achieve numerical method of electromagnetic field inside the finite difference and finite element method.

利用matlab实现电磁场数值方法里面的有限差分与有限元法。

The proper finite calculation measure is selected to calculate the total structure with ANSYSY software, and the pivotal dimension of the parts is optimized to find the best project. Analyze the effect of the shape of the magnetic pole, size of the gap and so on.

应用ANSYS软件对磁场产生装置的电磁场进行有限元计算与分析，对磁极、磁轭的形状及其关键尺寸进行优化，分析磁极形状、气隙大小等因素对磁场分布的影响，以寻求最佳设计方案。

At first, using paraxial approximation method, the orthogonal vector wave functions in the quasi-optical cavity are deduced.

它是涉及到器件、电磁场理论、天线理论和计算技术等方面的一项综合技术。

It plays an important role in particle physics, fluid mechanics, electromagnetism as well as in the theory of black hole.

无论在粒子物理，流体力学，电磁场，还是黑洞理论中，它都发挥了一定的作用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。