外电阻

闭合电路中电源、外电阻的U-I图像是反映其路端电压U及通过它的电流I关系的图像。

The-U-I diagram of electrical , source and external resistance reflects , the relation between external voltage U and electric carrent intensity I of external circuit .

实验条件下测得在外电阻500？时，该MFC的最大功率密度为85.1mW/m2，库伦效率为38.2%。

The MFC achieved a maximum power density of 85.1mW/m2 and coulombic efficiency of 38.2 % with the external resistance of 500 ? under the experimental condition .

外部两个数字信号控制端控制芯片关断或LED三级亮度选择，也可通过这两个控制端或接片外电阻端口实现LED的PWM调光。

External control terminals of two digital signals controls the chip off or the choose of LED three levels of brightness , and by the two chip resistors side or access port , the PWM LED dimming can be achieved .

利用强迫振动扭摆方法测灵敏电流计临界外电阻

Measurement of external critical resistance of a galvanometer with forced vibration torsional pendulum method

胞外电阻、胞内电阻和弛豫时间对不同的渗透势具有显著或极显著的线性关系。

Extracellular resistance , intracellular resistance and relaxation time behaved significant or extremely significant linear relationship with different osmotic potential .

严重干旱条件下，旱地品种的胞外电阻进一步增大，而灌区品种的胞外电阻却低于对照。

In severe drought , extracellular resistance of dryland variety increased farther and that of irrigated area was lower than CK .

电阻应变计技术六十年（7）&国内外电阻应变计计量标准的进展

Sixty years for Electric Resistance Strain Gage Technique ( 7 ) & Advance for Electric Resistance Strain Gage Meteorological Standards on the World

分析了国内外电阻焊设备发展现状和国内电阻焊技术与国外相比较存在的差距，并对我国电阻焊设备的发展提出了建议。

This paper analyzes the situation of resistance welding equipment , the difference between home and abroad , and suggests the development of resistance welding machine .

本论文采用线性电位扫描法，通过改变扫描速度、反应温度、串入外电阻以及采用不同形状的电极（环电极与线电极）进行实验。

Through sweep voltammograms , we study the results of changing the rate of sweep , temperature , electrodes of different shapes and connecting a resistance .

并补充说明了为什么对电流计机械调零时应使外电阻等于电流计的临界电阻。

And it gives that the additional instruction of the reason about the outer resistance of amperemeter equals the critical resistance when you adjust the amperemeter to zero .

考察外电阻及进水基质浓度对库仑效率的影响发现，降低电池外阻，减小进水基质浓度可以提高电池的库仑效率。

The external resistance and substrate concentration of influent would influence the coulombic efficiency . Reducing the external resistance and substrate concentration can improve the coulombic efficiency of MFC .

本文提出一种有源C振荡器电路。仅用两个运放，不用外接电阻。

An active-C-oscillator circuit , employing two operational amplifiers , without external resistors but two capacitors was proposed in this paper .

该芯片无需外接电阻分压网络即可用于各种MP3播放器、PDA、手机、数码相机等便携式设备中。

The chip can be widely used in MP3 player , PDA , digital camera , cells phone and portable products etc.

本文在跟踪国内外热敏电阻材料发展的基础上，以系列化厚膜PTC热敏电阻的研制为研究目标，致力于提高厚膜PTC热敏电阻的电阻温度系数。

On the base of the development of domestic and foreign thermistor material , the study on series of the thick film PTC thermistor , was selected as aim as to improve TCR .

多频率阻抗测试表明，伤后早期细胞外液电阻（Re）及其与细胞内液电阻（Ri）的比Re/Ri明显下降，提示发生了细胞外水肿；

Measurement of impedance at many frequencies found that the resistance of extracellular fluid ( Re ) and Re / Ri ( Ri , resistance of intracellular fluid ) significantly decreased in early stage after trauma , which indicated the appearance of extracellular edema .

基于单电极电流激励模式的ERT系统设计提出了优化措施，主要包括：外接电阻对敏感场影响的仿真研究、软场特性分析、硬件电路设计的优化。

Optimization single electrode current exciting mode of ERT system is brought forward , including the simulation of the influence of external resistance on sensing field , the analysis of soft field feature and the optimization of hardware circuit design .

本文简述了MF10开关电容滤波器的工作原理。介绍了利用MF10组成滤波器品质因数和外接电阻的计算方法。

This paper briefly introduces the principles of MF10 switched capacitor filter andpasentes the method of computing quality factor and external resistors .

该直流转换器由于接有一个外接电阻，可以通过调节外接电阻的大小来调节输出电流。输出电流调节范围在5～40mA之间。

The connection of an external resistor allows the output current to be controlled within the range between 5 and 40 mA by adjusting of the value of the external resistor .

外接电阻法求单口网络的等效电阻

Calculating the Equivalent Resistance of Single-port Network by Connecting External Resistors

测定灵敏电流计外临界电阻的两种方法

Two methods for measuring the external critical resistance of galvanometer

确定灵敏电流计外临界电阻值的方法

A Method of Determining the External Critical Resistance Value of the Sensitive Galvanometer

分析了发电机转子绕组在有无外接电阻时电流及损耗的变化。

Analy the currents and loss change for rotor winding with or without external resistance .

结果表明，电池外电路电阻为0.01？时，电池产水量较多。

The results showed that when the load with resistant of 0.01 ? was connected to the fuel cell , the water production was high .

通过外接电阻伺服环路，滤波器中跨导转换器的跨导值不受工艺偏差和温度变化的影响。

By using the externally connected resistor servo loop , the transconductance of the transconductors used in the filter is independent of process tolerances and temperature variations .

对于没有提刷装置，外接电阻的短接靠外接接触器执行的现有绕线电动机，提出了将其滑环直接短接，改转子回路外接电阻起动为降压起动的办法。

For the existing wound-rotor type electric motor without brush lifting device and its external rotor resistance short circuited by external contactor . the method of directly short circuiting the slip rings and transforming the external rotor resistance starting to reduced-voltage starting is put forward .

文章介绍了一种用在高精度A／D转换器中的CMOS电压参考源，依靠PMOS管阈值电压差来产生电流，在外接下拉电阻上产生电压参考源。

In this paper , it introduces one kind of CMOS voltage reference source in high precision A / D converter , which produces current depending on difference of PMOS threshold voltage , and gives birth to voltage reference source on external get-down resistance .

设计采用外接编程电阻实现对输出电流的控制，能够设置独立的低和高状态的电流输出；

Independent low and high current settings are programmed by two external programming resistors .

在这种结构里，气敏元件的输出无需外接取样电阻即可获得。

Thus , the output of this element can be obtained easily without outer sample resistance .

本文设计的电压&电流转换电路使用片外可调电阻，将带隙基准电压源产生的输出参考电压转换成稳定的电流。

The circuit converts the output reference voltage from the bandgap voltage reference , to a stable current .

在半金属氧化物颗粒体系中，颗粒边界的作用至关重要，外禀磁电阻效应与穿越颗粒边界的自旋输运过程密切相关。

In half-metallic granular systems , the extrinsic magnetoresistance effect is closely related to the spin-dependent transport processes across grain boundaries ( GBs ) .