According to the electromagnetic induction principle of transient electromagnetic methods , it discusses some of the forward theory and calculated method of tem 并依据瞬变电磁法的电磁感应原理，对其正演理论计算方法进行了一些探讨。
Along with the development of ehv power transmission and transformation , serious defects of traditional electromagnetic induction - type current transformer emerge 随着超高压输变电的发展，传统电磁感应式电流互感器暴露出严重的缺点。
Conductive coupling , inductance coupling , electromagnetic induction and grounding potential fluctuation etc , were regarded as disturbance sources of dcs 认为在安装过程中，电导耦合、电感耦合、电磁感应及接地电位波动等均可成为dcs (集散控制系统)的干扰源。
It was faraday who actually discovered electromagnetic rotation . and we understand that today as the electric motor . he invented electromagnetic induction 法拉第发现了电磁循环，今天我们称之为电动摩托他发明了电磁感应，我们知道那是一种发电机，他是最顶尖的科学家。
The total amount of sulfur in coke was determined by ir absorption under optimal conditions . the method is rapid and can be used in industrial production with satisfactory results 摘要在优化的分析条件下，用高频感应燃烧红外吸收法测定非电磁感应性物质焦炭中全硫。该方法快速、简单，实际样品分析结果满意，适用于企业生产。
According to the electromagnetic induction principle , the magnetic field of induction cable of the two communication systems is analyzed , the system parameters is caculated and the system feasibility is being demonstrated 从电磁感应基本原理出发,对两种通信系统感应线的电磁场进行了分析,计算了系统相关参数,对系统的可行性进行了论证。
Compared with three - level atomic system , the atomic coherence effects in four - level can lead to eit and eia , which depend on the intensity of control light and the relaxation of the fourth level 与三能级原子系统相比，四能级原子相干效应即可导致电磁感应透明的产生，也可产生电磁感应吸收现象，取决于控制光的强度和第四个能级衰变率的大小。
In order to save oil for ignition and raise cyclic operation capability of utility boilers , eih for oil - free ignition and stable combustion is adopted to de ? gn the burner and experimental system in this thesis 本文根据煤粉气流的着火理论，针对火电厂节约点火用油和提高调峰能力，采用了电磁感应加热无油直接点火与稳燃技术设计燃烧器结构和实验系统。
Induction heater is the main part of the electromagnetic induction heating , it determines the heating efficiency and power distribution . this article designs and analyzes the induction heater and magnetic flux field concentrator 感应器是电磁感应加热的重要部分，对感应加热的效率和能量分布起决定性作用，磁通集中器的设计直接关系到系统加热效率。
This paper introduces the working principle and the using fields of pilot wire protection , and discusses the effects of electromagnetic field induction and ground potential rise on pilot wire protection and the corresponding protective measures 阐述了导引线纵联差动保护的工作原理和使用场所，并讨论了电磁感应和地电位升高对它的影响以及相应的安全措施。
