电磁

And the materiality, experimental test and deductions of them are discussed in the framework of the π-shape three kinds of wave-particle duality.

本文基于电磁场按光子对应分解，找到了经典电磁场的基本单元"电磁基波"，并在"π型三重波粒二象性"的框架下探讨了"电磁基波"的物质性、有关推论以及实验验证。

Besides, the rear wheel of the walker is equipped with the electro- magnetic brake which can be triggered by the controller and therefore lock the rear wheel when the speed of the walker is too high.

并在助行器的后轮上装有电磁煞车，当助行器的速度过快时，控制器送出讯号启动电磁煞车将后轮锁住，以避免使用者发生危险。

The simulation showed that without EMBr, the floating-up probability was nearly zero for the inclusions less than 50μm, and 6% for the inclusions larger than 200μm. With EMBr, the floating-up probability was 25% for the inclusions less than 50μm, and 38% for the inclusions larger than 200μm.

数值模拟表明，无电磁制动时，粒径在50μm以下的夹杂物颗粒其上浮概率几乎为零，200μm夹杂物颗粒上浮概率为6%；有电磁制动时，粒径在50μm以下的夹杂物颗粒的上浮概率为25%， 200μm夹杂物颗粒上浮概率为38%。

In addition, the generation of coseismic electromagnetic signals can be explained by earthquake dynamo mechanism.

汶川5.12大地震发生后，在武都汉王地震台及其附近地区布置了2个大地电磁测深点，进行了两期余震序列的地震电磁效应连续监测，共观测到 M s4.0及以上的余震事件35次。

At last, two new execute equipment models without dry friction force are put forward as the discussable research. One is the double-reed electromagnetic execute equipment, and the other is the electromagnetic and permanent magnet suspension one.

最后，作为探讨性研究，本文提出了两种完全避免干摩擦的新型执行装置模型：一种是双层簧片式电磁执行装置，另一种是电磁永磁混合悬浮式三维执行装置。

It was shown that, the flow pattern in the EMPT was more complex than that in traditional one, that is, in the column chamber, the short circuit flow from the outlet nozzle of the ladle was depressed by the rotating molten steel, and horizontal recurrent flow appeared in rectangular chamber, which prolonged the average staying time of the molten steel, then reduced the volume fraction of inactive area in EMPT.

结果显示，电磁净化中间包的流场比传统中间包的流场复杂：在圆形腔中，旋转运动抑制了大包水口至矩形腔的短路流，而在矩形腔中形成水平环流，从而延长钢液在中间包的平均停留时间，死区减小，电磁净化中间包的上述流场结构及传输行为对钢液中的非金属夹杂物去除非常有利。

On the industrial experiments the effect of electromagnetic stirring on central porosity ,equiaxial crystal ratio,shrinkage cavities and surface quality as well as effect of electromagnetic stirring on the solidification of the continuous casting billet have been analyzed and discussed.

根据工业试验结果，分析了结晶器电磁搅拌对马氏体不锈钢连铸坯的中心疏松、等轴晶率、缩孔及表面质量的影响，并对电磁搅拌对铸坯凝固的影响机理进行了探讨。

With the ray technique, the change of properties of electromagnetic wave when it thrilling through insulator are studied. Some useful engineering calculational formulae to evaluate the electromagnetic characteristics parameter of fiberglas laminates are fully listed.

运用电磁波射线追踪技术详细地研究了电磁波透过绝缘介质后的电磁特性变化情况，完整地给出了玻璃纤维或石英纤维层板和夹心结构电磁特性参数（电磁波透过系数、反射系数、插入相位移等）的工程计算方法。

According to the analysis of reasons of transformer mal-operation in Pingdingshan Electric Power Bureac for years , and according to the present situation of transformer protection studies and applications at home and abroad. This paper points out the shortcomings of discrimination between internal faults and magnetizing inrush, the problems existing in differentiating the slight faults of turn-to-turn in transformer are also advanced. On the base of the electromagnetic characteristics of transformer, the relations between fluxional differential current and voltage of source side analyzed, all the operating states of transformer simulated by EMTP/ATP, the criterion of magnetizing inrush in transformer is got. Through the wavelet analysis of current waveform, using the intense reaction of wavelet transform to the little change of signal, the internal faults of transformer are distinguished by testing local extremum.

本文根据平顶山市电业局历年来变压器保护误动的原因分析，并根据国内外变压器保护使用和研究的现状，指出了现有变压器保护在区分变压器励磁涌流和内部故障方面以及在判断变压器匝间轻微故障方面存在的问题和不足；从变压器电磁特性出发，分析了电源侧电压和电流微分之间的关系，利用电磁暂态仿真程序对变压器各种运行状态进行了仿真，并以此建立了判断变压器是否含有励磁涌流的判据；通过对电流波形的小波分析，利用小波变换对信号微小变化极强的反映能力，通过检测电流的局部极值点来区分变压器运行状态，并作为上述判据的补充。

Generally the electronic parts and modules which developed by our self are achieved them EMC. But as soon as they are connected each other to form products, the series EMC problems are happing. Because mainly, the reason is the transmission of data, and the electronic connection. So based on the syntheses analysis of the transmission of image engineering equipment, it is significant to research the principle and technology. In the theory, some new methods of more kind of transmission data can be found, and compared them to the earlier ones. In the technology, the faster speed of the equipments can be gotten, and the area of image processing can be enlarged.

理论上，可以进一步发现各种类型数据传输的新方法，并与以往的方法进行比较，研究其效率，增加人们对数据传输的理解和认识；技术上，可以进一步提高图像工程设备的工作速度，拓宽图像处理的应用领域；应用上，将电磁兼容设计放在了设备开发的初期阶段——数据传输阶段，在考虑数据传输的同时进行电磁兼容设计是高效开发图像工程设备的前提，对节约开发费用和时间都有很好的社会效益和经济效益，收到事半功倍的效果。

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。