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1)  voltage-current characteristic of forward direction
正向伏安特性
1.
Measurement of the voltage-current characteristic of forward direction of diodes by means of compensation method;
利用补偿方法测量二极管的正向伏安特性
2)  reverse V-A characteristic
反向伏安特性
3)  volt-ampere characteristic
伏安特性
1.
The volt-ampere characteristics deciding the electric arc power,which affect the fusion of the spraying powder and then influence the quality of coatings,are affected by many factors including gas species,gas flow rates,the nozzle's aperture and compression angle.
等离子弧的伏安特性决定电弧功率的大小,从而影响喷涂粒子的熔融状态,进而影响了涂层的质量。
2.
The volt-ampere characteristics of aluminum's high voltage anodization were studied in four different electrolyte systems.
对铝在4种不同电解液体系中的高压阳极氧化的伏安特性进行了讨论。
3.
By using computer and high-speed data acquisition card PCI-1711 which is based on the PCI bus,a new model of measuring system for PTCR s volt-ampere characteristic was built up.
利用PC机和基于PCI总线的高速数据采集卡PCI-1711,开发出了新型PTCR伏安特性测试系统。
4)  current-voltage characteristics
伏安特性
1.
To increase the discharge energy density and the discharge stability,this paper proposed a method of bipolar corona discharge in needle-matrix electrode configuration,and investigated the current-voltage characteristics of bipolar corona discharge in Multi-Needle Electrode Configuration.
为提高电晕放电的能量密度和放电稳定性,提出了针阵列电极结构的双极电晕放电方式并研究了多针电极结构双极电晕放电的伏安特性。
2.
The influences of polarity of discharge electrode,spacing between needles,and spacing of needle and plate,on the current-voltage characteristics of multi-needle-to-plate corona discharge are experimentally researched.
实验研究了多针对板电晕放电的放电极性、尖板间距D的变化对伏安特性的影响,近似算得其伏安关系式I=CU(U-US)并确定了正、负电晕放电中的C值,由C与D的关系得出随D的减小,放电功率和电流密度增加的结论,在一定条件下实验结果与推导得到的伏安关系式吻合。
3.
This paper reports a new circuit for measuring the current-voltage characteristics of diodes, which adopts a current-modeling circuit, in which the current is taken as a signal variable.
本文报导了一种新的用于测量非线性元件伏安特性的实验电路,该电路采用的是以电流为信号变量的电流模式测量电路,并分析与比较了该电路与传统的以电压作为信号变量的电压模式测量电路的不同。
5)  current-voltage characteristics
伏-安特性
6)  voltage-current characteristics
伏安特性
1.
Investigation on the voltage-current characteristics of the YAG laser guiding discharge channel;
YAG激光诱导放电通道伏安特性研究
2.
Discharge waveforms and the voltage-current characteristics were obtained from experiments.
为了探讨交流电弧放电在废水处理中的应用,将经典的Mayr和Cassie电弧微分方程模型以串联电阻的方式联合起来,并针对液态工质的特点引入了最小电导参数,建立了适合水中交流电弧的数学模型;采用Matlab/Simulink软件将电弧数学模型转换为电路模型,对放电伏安特性进行了仿真分析;改变数学模型中的最小电导,分析了其对仿真结果的影响。
补充资料:正温度系数热敏陶瓷阻-温特性曲线
分子式:
CAS号:

性质:描述正温度系数热敏陶瓷电阻率与温度关系的曲线。钛酸钡基PTC热敏陶瓷阻-温特性曲线。电阻率随着温度的升高,先是降低,当达到某一值Tmin时,曲线出现极值,经过极值后电阻率随温度升高而急剧上升,此时对应的温度Tb称为开关温度。电阻率随温度上升达到最大值时所对应的温度为Tm。经过Tm后,阻温特性曲线发生弯曲,电阻率开始逐步降低,此时对应的温度为Tp。温度处于Tb至Tm之间时,热敏陶瓷呈现正温度系数(PTC)特性。其电阻温度系数αT= ,式中Rb,Rp为Tb,Tp温度下的相 应零功率电阻值。αT大于10%/℃,为开关型热敏陶瓷电阻器。αT小于10%/℃,为缓变型热敏陶瓷电阻器。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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