磁电的

This topology, combining four switches with double half-wave rectifier and using variable frequency control mode with a refined small times together, achieves the effect of Zero Voltage Switching and the effect of Zero Current Switching by the resonance of resonant capacitance, resonant inductor and the magnetic inductor of the transformer.

该拓扑是一种四开关和双半波组合的结构，采用固定死区的互补调频控制方式，充分利用电路本身的特征，通过谐振电感、谐振电容和变压器的激磁电感谐振，实现零电压开关和零电流开关。

This topology, combining four switches with double half-wave rectifier and using variable frequency control mode with a refined small times together, achieves the effect of Zero Voltage Switching and the effect of Zero Current Switching by the resonance of resonant capacitance, resonant inductor and the magnetic .

该拓扑是一种四开关和双半波组合的结构，采用固定死区的互补调频控制方式，充分利用电路本身的特征，通过谐振电感、谐振电容和变压器的激磁电感谐振，实现零电压开关和零电流开关。

Aiming at the limitations currently existing in controlling mine excavator with magnetic triggers,such as slow dynamic response of system,poor dynamic index and excavator characteristics,as well as complicated structure,etc.,the strategy of double closed-loop excitation electric adjustment,i.e.current inner loop and voltage outer loop,is adopted to design an advanced electronic integrated control system for mine excavator.

目前矿用电铲常见的是采用磁性触发器进行控制，存在系统动态响应慢、动态指标欠佳、电铲特性不理想、结构复杂等缺陷，采用电流内环和电压外环的双闭环励磁电调方案，设计了一种先进的电子集成电铲电控系统，详细介绍了系统电路结构，尤其是电压、电流调节器及其反馈电路与特性适配电路的基本原理和功能特点。

Second, and magnetic brakes, clutch: With the development of modern industry, and magnetic clutches and brakes, as a basic component in the industrial field received a wide range of applications and other components shown can not be replaced by the superiority of its high magnetic powder for media job to Change magnetizing current for the control of the means to control transmission, the purpose of braking torque.

二、磁粉制动器、离合器：随着现代工业的发展，磁粉离合器和制动器作为一种基础元件在工业领域中得到广泛的应用，并显示出其它元件无法取代的优越性，它以高导磁粉体为工作媒介，以激磁电流变化为控制手段，达到控制传递，制动扭矩的目的。

In this topology, the main switches are operated under ZVS due to commutation of the transformer magnetizing current and the parasitic drain-source capacitance.

在此转换器，其主要开关主要是利用变压器的激磁电流和开关本身内部的寄生电容的换向，使得主开关操作於零电压的模式底下。

To improve accuracy of detection of current direction, components of magnetizing current and torque current are transformed into two-phase stationary frame. Therefore compensating voltage vector can be decided according to the sector the current vector is locating.

为了提高电流极性检测的准确性，利用旋转轴系中的励磁电流和转矩电流分量经过坐标反变换，判断电流在两相静止轴系所处的扇区来决定需要施加的补偿电压。

The magnetic mechanical engineering technology is a new high-level technology in the current world, which uses the permanent magnetism materials to engage in the research, development and production of the permanent magnetism effect parts, including the magnetization parts, magnetism-droved machinery, magnetoelectricity machinery and so on.

磁机械工程技术是当前世界新兴的高水平的一项学科技术，是应用永磁材料从事磁化器件、磁驱动机械和磁电机械等永磁效应组件的研究、开发、生产；并逐步实现技术产业化、产品社会化的系统工程。

Working characteristic of Fe-based metal glass Fe36Co36B20Si4Nb4 core, the relationship of frequency, field current and induced voltage, the relationship of magnetic permeability and input frequency were studied. Effective magnetic permeability of Fe-based metal glass Fe36Co36B20Si4Nb4 as mutual iron core was measured using mutual induction method.

研究了Fe36Co36B20Si4Nb4铁基环状金属玻璃作为互感器铁芯材料的工作特性，即频率、励磁电流与感应电压之间的关系；磁导率与输入频率之间的关系，并采用互感方法测量了铁基金属玻璃Fe36Co36B20Si4Nb4作为互感器铁芯的有效磁导率。

Scud magnetic motor car represent a means of transport of the new trend in today's fashion and new trends, with a broad development space and the attractive market prospects.

飞毛腿磁电机车代表了当今的时尚新趋势和新趋势的运输手段，具有广阔的发展空间和吸引力的市场前景。

Parameters of the exciters were optimized to determine the operating point in saturation curves,and obtain the optimal signal-to-noise ratio.

建立了缺陷漏磁场的有限元仿真模型，研究了励磁线圈的形状、励磁电流对检测信号的影响，获得最佳的信噪比。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。