电磁

Electromagnetism was discovered when it was observed that a copper wire carrying an electric current can magnetize pieces of iron or steel near it.

电磁是在观察带电铜线能磁化附近的铁粉或钢粉时而被发现的。

According to the basic theory of magnetohydrodynamics,the purification mechanism and efficiency of Aluminium molten under rotating electromagnetic field were studied.

作者中文名：翟秀静；符岩；李鸿斌；侯景星摘要：根据电磁流体力学的基本理论，研究了在旋转磁场作用下原铝熔体的净化过程。

Based on the recent research results of solidification, computer, electromagnetics, mechanics and Magnetohydrodynamics, the institute formed a subject-constructive way that crossed multi-disciplinary and characterized by EPM(Electromagnetic Processing of Materials) and computer optimization of solidification.

本研究所积极吸取金属凝固、计算机、电磁学、力学和磁流体力学等学科的近代研究成果，走出了一条多学科交叉的、以材料电磁加工和凝固过程计算机优化为特色的学科建设道路。

In the end, we sum up the current research in the manganite thin films and some existent issues.

最后讨论了锰氧化物外延薄膜的制备方法，及影响锰氧化物薄膜结构和电磁性质的相关因素以及在制备薄膜时需要注意的问题。

Chapter one: At the beginning of this chapter, we reviewed the history of manganite research. And then we laid an emphasis on the discussion of its physical properties-including crystalline structure, magnetic structure, electron structure and electromagnetic behavior, and related interactions in the system. After that we introduced some elementary properties of layered manganites.

第一章 首先简要回顾了超大磁电阻研究的发展历史，然后着重介绍了掺杂锰氧化合物的各种物性——晶体结构、磁结构、电子结构和电磁特性，及相关的各种相互作用，并对层状锰氧化物的基本性质作了简要介绍。

In order to obtain the high MR value at the room temperature in a low applied magnetic field, several methods have been employed to modify the structure of the compounds, such as introducing the substituting ions or the interstitial atoms into this manganite matrix.

人们致力于通过掺杂、填隙等方法改变材料内部的结构，研究它的电磁输运性质，同时期望在较高的温度以及较小的外加磁场下得到较大的磁电阻效应。

This dissertation consists of five chapters. The arrangement of the chapters and the main contents in each chapter are presented as follows:In chapter 1, we make a brief introduction to all kinds of magnetoresistance effects; the basic properties of the perovskite-type manganese oxides, including research history, crystal structure, electronic structure, magnetic structure, and the electronic and magnetic phase diagrams; the strain relaxation of manganite thin films; and the research progress in application.

各章的主要内容分别概括如下：第一章简单介绍了各种磁电阻效应；钙钛矿锰氧化物的基本性质，包括研究历史、晶体结构、电子结构、磁结构和电磁相图；锰氧化物薄膜中应力弛豫；锰氧化物在应用方面的研究进展。

This is the webpage of Electromagnetic Biology and Medicine Journal, which is published by Marcel Dekker, Inc.

这是《电磁生物学与医学》杂志的网页，由Marcel Dekker有限公司出版。

According to the principle of vibration generated in different electronic massager can be divided into two kinds of electromagnetic and electric.

根据不同的电子按摩器产生的振动原理可分为两种电磁和电动。

The electromagnetic scattering problem is often treated with integral equation and moment of method, and the calculation of matrix element is one of the most important factors that affecting the accuracy and efficiency of method of moment.

电磁散射问题的数值解通常采用积分方程结合矩量法求解，而阻抗矩阵元素的计算是影响矩量法计算精度和效率的重要因素之一。

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。