电路的

The Domistic Ballast and the Life of Compact Fluorescent Lamps;2. With the technical development of active power factor correction, some circuits in the ballast s and its operation are introduced, which have been used in high pressure sodium lamp.

针对荧光灯电子镇流器和高压钠灯电子镇流器中功率因数校正技术的发展，总结了典型的有源功率因数校正应用电路，分析了电路的基本工作原理，并在高压钠灯镇流器中得到了应用。

In addition, it doesn't need truth table and fault table, so it can be applied to large circuits.

此外，在生成电路的错误定位树时不需要生成真值表和错误表，从而节省了大量的存储空间，所以能应用于大型的电路。

An important advantage of this circuit is that the traditional tungsten filament lamp amplitude regulator is eliminated along with its time constant and linearity problems.

这个电路的主要优点之一是克服了传统钨丝灯幅值调节电路所带来的时间常数以及线性度方面的问题。

The wattmeter connects with measured circuit direct when the power is low,then connects with measured circuit though mutual inductor when the rating of wattmeter of the voltage or current is overrun.

当被测电路的功率比较小时，采用直接和功率表相接方法；当被测电路的电压和电流超过仪表电压和电流的最大额定值时，就要用互感器和仪表相接。

Traditionally, the analog circuit is tested by explicit functional testing: directly measured its perfor-mance parameter set Z.

传统上对模拟电路的测试采用的是直接功能测试，即直接测量电路的性能参数Z。

The conventional back-EMF zero crossing method was restricted by hardware and control method,and to improve the detecting circuit reduce the influence.

常规反电势过零检测电路由于受到硬件及控制方法的影响，过零点信息不够准确而且有较大的滞后，通过对检测电路的改进来减小这种影响。

Adherence, repairing property, anisotropically electra conductivity and rapid adhering at low temperature are given to FPC by anisotropically electro conductive hot melt adhesives who are key component of FPC. There is no report on successfully manufacturing AECHMA in our country at present, so it is very significant to make a research on AECHMA.

异向导电热熔胶是柔性印刷电路的关键组分，它赋予柔性印刷电路粘接性、可修复性、异向导电性和低温快速粘合性，国内尚无成功开发异向导电热熔胶的报道，因而对异向导电胶进行研究开发具有非常重要的意义。

Its application to SPC circuits gives the same results as those obtained by the state-space average approach, which is proposed by Middlebrook and Colk, but our approach is also in the form of CMNA.

在分析方面，通过应用加权平均和小信号近似手段，我们建立了KL平均法，导出了开关变换器电路的S域分析的紧凑型改进节点方程，为人们应用拉普拉斯变换这一得心应手的工具来研究这类周期性开关电路提供了又一种方法。

Secondly, based on analyzing and calculating the normal state of digital jointless track circuit, every voltage of transmission and the adjustment resistance were numerated in this thesis.

其次，对数字无绝缘轨道电路的调整状态进行分析计算，确定出轨道电路传输通道中的各点电压值和调整电阻的大小。

The hardware processing method includes adding Smiter trigger in RC filter circuit to plastic the output wave of filter circuit, acquiring front steep output signal of and making reverse operation in CPLD.

硬件处理方法是在RC滤波电路的输出端加施密特触发器，对滤波电路的输出整形，取得前沿很陡的输出信号，并在CPLD中对信号作反相处理。

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。