电阻的

The centimeter-gram-second electromagnetic unit of resistance, equal to one billionth of an ohm.

电磁欧厘米－克－秒制中电阻的电磁单位，相当于十亿分之一欧姆

A new method to reduce the contact resistance between metal current collector and graphite plate for PEMFC has been proposed.

建立一种降低质子交换膜燃料电池金属集流板与石墨单极板接触电阻的新方法。

The incidence area of PIN-PD is 22 22μm2, InP-based HBT is 3μm size style, the square resistance of NiCr resistance is 100, the amplifer circuit is transimpedance feedback amplifer with one stage common emitter and output buffer circuits.

探测器台面面积为，HBT采用3工艺，NiCr电阻的方阻值为100，放大电路形式采用跨阻反馈单极共射加输出缓冲电路。

precise calculating formula is derivated to determine magnification ratio of voltage,input resistance and output resistance in amplifying circuits based on th feedback circuit model with cascade voltage.with th new calculating methods put forward by the author,it is possible to solve the problems in terms of calculation in amplifying circuits,the key problem being low level of exactness.the research shows the influence of components′ parameters of basic amplifying circuits and feedback circuits on feedback amplifying circuits.the results of the research may contribute to design amplifying circuits and electronic instrument with higher performance,due to the simpler calculation in the design of feedback circuit with cascade voltage.

摘 要：在建立电压串联反馈电路模型基础上，推导出放大电路中的电压放大倍数、输入电阻、输出电阻的精确计算公式。提出新的计算方法，从而解决了放大电路计算不方便，精确度不高、准确性不够的问题。同时进一步揭示了基本放大电路、反馈电路元件参数对反馈放大电路的影响关系。为设计出高性能放大电路及电子设备指明了方向，更加方便于电压串联反馈电路的计算。

Degaussing resistor is a thermistor (四四方方board, with three-pin components), their cold resistance is generally 12 ~ 47 ohm-ohm range, when the city electricity after, the resistance low power was the work of degaussing coil, degaussing coil current larger, making degaussed temperature resistance, resistance increased dramatically, resulting in flow through the degaussing coil current decreases sharply complete degaussing process.

消磁电阻其实是一个热敏电阻（电路板上四四方方的，有三个引脚的元件，），其冷态阻值一般为12欧姆~47欧姆不等，当市电经过时，其阻值较低，消磁线圈得电工作，消磁线圈的工作电流较大，使得消磁电阻的温度升高，阻值急剧增加，致使流过消磁线圈的电流急剧减小，完成消磁过程。

This action of charging the capacitor is shown in the following equation: ADC Clock resistor RSW 式决定的:(1 K ) and RIN for the period S1 is closed; this period is controlled by ACQ_PS setting.

时间。然而这个时间远远大于外部的电阻和电容电路所消耗的时间，同时在计算电阻和电容电路时候的时间常数时，要考虑到外在附加的贴片电容和插针电容，对ACQ_PS 是一个非常高的值，而系统需要低采样频率。

Small variations, up to ±5%, can be attributed to the tolerance of the resistors.

可能有±5%的误差，这是由电阻的属性决定的（用的是±5%精度的电阻

The chemistry compatibility of the electrode and electrolyte at high temperature and effects of the sintering temperature on the microstructure and electrochemical properties were investigated, respectively. The results showed the sintering temperature has effect on the polarization resistance of the electrode. At moderate temperature, a fine microstructure with moderate porosity and well-necked particles has been formed, and the electrode gave the lowest polarization resistance.

考察了电极材料与电解质材料在高温时的化学相容性；研究了烧结温度对电极的微观形貌及电化学性能的影响，结果表明，烧结温度过高或过低都会导致电极极化面电阻的增加，当电极的烧结温度适中时，电极表面粒子有一定的烧结连接，并且有一定的多孔结构，电极的极化面电阻达到最小值。

In order to develop an excellent performance UHV arrester,the author have studied the existence of limits of the practical requirements of ZnO varistor voltage gradient,and combining with the practical application demand of the UHV arrester,discussed the ZnO varistor voltage gradient limits related issues in detail.

为了研制性能优异的特高压避雷器，笔者对实际所需ZnO压敏电阻的电压梯度是否存在限值进行了研究，并结合特高压避雷器的实际应用需求，详细讨论了ZnO压敏电阻的电压梯度限值的相关问题。

The results show that:(1) MnO2 deposition on the surface is the main factor resulting in cathode polarization, and the flowing of the solution can remarkably reduce this polarization. Furthermore, the buffered solution can reduce the polarization resulting from H+ concentration difference;(2) it is deduced from the polarization curve that the key factor influencing the performance of MFC is microbial number and metabolic rate and the electron transferring rate from microbial to electrode;(3) the power density arrives at the biggest, 824 mW/m2, when outer resistance is 300 Ω, which is accordance to the inner resistance,(284±18)Ω, deduced from I-V curve;(4) the influences of pH and permanganate concentration on cathode potential is in agreement to Nernst equation.

研究结果显示：(1) MnO2在碳纸表面的沉积是阴极极化的主要原因，而溶液流动可以明显降低极化程度；将高锰酸钾溶解在缓冲溶液中可以进一步降低阴极H+浓差极化；(2)根据极化曲线可以推断，影响电池输出功率的决定性因素应是微生物代谢反应速度和微生物与电极之间的电子传递速率；(3)随外电阻的变化，电池输出功率出现极大值824 mW/m2，相应外电阻为300 Ω左右，这与通过 I-V 关系曲线推导得到的电池内阻(284±18)Ω相吻合；(4) pH值和高锰酸钾浓度对电池阴极电极电势的影响符合Nernst方程。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。