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E. the jointless track circuit and the electric traction track circuit with asymmetrical line parameters, the simulation modeling of track circuit interference from local line is also analyzed.

基于电化区段线路不对称轨道电路和无绝缘轨道电路同线干扰的特性分析，提出同线干扰分析数字仿真模型的建立方法。

By the author of the main circuit design, control circuit design,MCU trigger circuit design, and supporting a complete circuitdesign to meet the requirements of the elevator shaft DC drivecontrol system.

作者通过对主电路的设计，控制电路的设计，单片机触发电路的设计以及辅助电路的设计完成了符合要求的矿井直流提升机传动控制系统。

The module has function of short-circuit,when the module output short-circuit,output by limited current,exclude the factor of short-circuit,the module return to normal output automatically.

模块具有短路保护功能。当模块输出短路时，限流输出。短路因素排除后，模块自动恢复正常输出。

Negative feedback circuit is the main body of SAW drive circuit which is composed by operation amplifier and feedback network, its function is to realize output impedance matching and electric circuit stable gain.

负反馈放大器是该驱动电路的主要部分，它由运算放大器加上电阻和电容构成的反馈网络组成，其功能是实现输出阻抗匹配以及保证驱动电路增益的稳定性。

We also introduced and analyzed the voltage feedback circuit,capacitance—resistance absorb circuit and electric motor energy consumption braking circuit in detail.

对设计中必需的电压反馈电路、阻容吸收回路及电动机能耗制动回路进行了详尽介绍和分析。

In the same time,main circuit figuration and working principle will be given,and worked out the parameter of this circuit S transformer and RCD clamped circuit.

给出了电路的主电路图，在此基础上阐述了此电路的工作原理，并分析计算出了变压器和RCD缓冲电路设计的参数。

Next, the finite element model of induction motor is established by using Maxwell 2D transient module, and the inverter control circuit is also designed by its own circuit design editor. Consequently, a complete field-circuit coupled simulation model of inverter control system is presented.

接下来，利用Ansoft公司的Maxwell 2D瞬态模块建立了异步电动机的有限元模型，并且采用其自带的电路编辑器Schematic Capture设计了异步电机逆变器控制电路，构建了一个完整的变频控制系统场路耦合仿真模型。

Professional manufacturing: electrical circuit board Flashboard frame heat pipe, titanium heating tube, Teflon heaters, precision oven, circuit board hanging tool, circuit board tunnel furnace, SMT equipment, titanium blue.

专业生产制造：电线路板插板架热管、钛加热管、铁氟龙加热器、精密电烤箱、电路板挂具、电路板遂道炉、SMT设备、钛蓝。

The results show that the fluidization characteristics of scrap printed circuit board particles depend on the average size and type of particles. The scrap printed circuit boards particles, belonging to Geldart A group with strong viscous force, whose fluidization was similar to fluidization of Geldart C, was difficult to fluidize. Whereas, the scrap printed circuit board particles belonging to Geldart B can be fluidized smoothly.

实验结果表明，电路板塑料颗粒为Geldart A类颗粒时，粘性力大，塌落特性明显，流化性能较差，具有拟C类颗粒的流化特性；电路板塑料颗粒为B类颗粒时，塌落特征不明显，并且随着粒径的增大，最小流化速度也增大。

It is a usual structure of focal-plane-array readout integrated circuit which uses a capacitance trans-impedance amplifier as the input stage, a correlated double sampling circuit to get signal and reduce noises, and a source follower circuit to output the signal.

焦平面读出电路的一种常用结构是以电容跨阻抗放大器作为输入级，相关双采样方式提取信号并抑制噪声，源跟随器方式输出信号。

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。