整流的

The analytic expression of optical rectification coefficient of this system is derived by means of density matrix approach and the iterative method.

用量子力学中密度矩阵算符理论导出了加偏置电场的双曲线量子阱中光整流系数的解析表达式。

Its core technology is the production of continuous roll-to-roll electroplating lines, hardware plastic electroplating lines, as well as fabrication of aqua pura production systems, tail gas treatment systems, on-line recovery systems, water recycling systems, commutation machines and filtration related equipment.

其核心技术为连续性卷对卷电镀生产线、五金塑料电镀生产线，并从事相关的纯水生产系统、在线回收系统、中水回用系统、废气处理系统、整流机及过滤机等相关配套设备的生产制造。

Its core technology is the production of continuous roll-to-roll electroplating line, various hardware plastic electroplating line, PCB electroplating line, as well as fabrication of aqua pura prura production system, tail gas treatment system, waste water treatment system, commutation machine and filtration machine related equipment.

科伟达科技公司核心技术为线路板电镀生产线、连续性卷对卷生产线及各种五金塑料电镀生产线的生产，并从事相关纯水生产系统，废气、废水处理系统，整流机及过滤机等相关配套设备的生产制造。

This paper analyzes the characteristic of the Power Factor Correction of arc welding inverter power source , introduces the 12-pulse converter based on delta-type autotransformer connection into arc welding inverter power source ,and its configuration, design scheme and theory on PFC.

分析了弧焊逆变电源功率因数校正技术的特点，阐述了弧焊逆变电源中基于差接三角形自耦变压器十二脉波整流电路的原理与设计及其功率因数校正机理。

This thesis is composed of two parts:(1) Preparation and properties of organic functional materials including electroluminescence materials, electrical bistable materials and rectification materials.(2) Study of organic crystal structure.

本文主要由两部分构成：(1)有机功能材料的制备及性质，包括有机发光材料，有机电双稳材料以及有机电整流材料；(2)有机晶体的结构研究。

To do this a "bridge rectifier"(a simple arrangment of 6 diodes) must be used.

这样做的"整流桥"（一个简单的安排， 6二极管）必须使用。

As supplement, the thyristor three phase bridge half controlled rectifier which is not involved in teaching material is analyzed according to different control angle.

作为补充，对于教材中未涉及的晶闸管三相半控桥整流电路，本文对其不同触发角时的工作波形进行了分析。

Synchronous rectifying teehnology is intr...

同时，介绍了能提高变换器效率的同步整流技术。

That use a rectified voltage and one or more potentiometers which are set so that a one or more relays is/are operated when the speed limit is/are reached.

，使用1整流电压和一个或多个设置以便在一个或多个继电器是/是经营电位时的车速限是/一些协议。

Bonded multi-pole magnet rotors are used in a wide variety of speed and commutation applications such as to rotary encoders, speedometers and machine controls.

多极磁铁转子广泛使用在各种速度和整流应用中，如对旋转编码器，里程表和机器的控制。

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。