voltage gradient

The voltage gradient of five types of polluted insulators according to the leakage distance .

不同型式染污绝缘子沿爬电距离的闪络电压梯度；

Different test conditions , including permeable reactive material , voltage gradient , test run time , etc. were analyzed .

分别就不同可渗透反应材料、电压梯度、Fe0与沸石配比、修复时间等试验条件下对重金属污染土壤进行了修复研究。

Development and Application of High Voltage Gradient Zinc Oxide

高电位梯度氧化锌阀片的开发和应用

Analysis on Voltage Gradient Limitation of ZnO Varistor in Ultra High Voltage Arrester

特高压避雷器用ZnO压敏电阻电压梯度限值的探讨

Reactive power needs depend on the voltage gradient , which is a function of the network topology .

所需的无功取决于电压的增减率，其是网络拓扑的函数。

This paper briefly reported the fabrication process and performances of ZnO varistors with high voltage gradient .

本文简要报告高电压梯度的ZnO变阻器的制造工艺和性能。

High voltage gradient of zinc oxide-based varistors prepared by high-energy ball milling

高能球磨法制备高电位梯度的ZnO压敏电阻

The ZnO Varistors with High Voltage Gradient

高电压梯度的ZnO变阻器

The research use instantaneous value to calculate the surface voltage gradient on the transmission lines and the electric field on ground .

论文对于输电线路表面电场和地面电场的计算均采用电压瞬时值。

The ZnO varistors with high voltage gradient were fabricated by superfine crushing and low temperature sintering process .

通过超细粉碎和低温烧结工艺.制造成了具有高电压梯度的ZnO变阻器。

The result shows that higher voltage gradient supplemented with proper mechanic pressure is beneficial to electro-osmotic dewatering ;

结果显示，选择较大的电压梯度并辅以适当的机械压力对电渗透脱水有利；

The results showed that the varistor ceramics ' voltage gradient , nonlinear coefficient and density decreased and leakage current increased with increasing sintering temperature .

研究结果表明，随烧结温度提高，压敏陶瓷电位梯度、非线性系数及致密度逐渐降低降低，而漏电流逐渐升高。

The tests show that the AC withstand voltage gradient of a long iced string is lower than that of a short string .

得出了长串的工频耐受电压梯度低于短串的结论。

So essentially , they regulate this action potential , and they do so by helping to establish and then control the voltage gradient within the cells .

总之本质上，它们负责调节动作电位，它们做到这一点通过协助制造，并控制细胞内的电位梯度。

And the DC flashover voltage gradient of a longer insulator string is lower than shorter one , the flashover frequency is linear with voltage gradient ;

长串的直流闪络梯度较短串小，闪络频率与电压梯度成正比；

The important additions of low-voltage ZnO varistor and the factors of Electrical Properties ( breakdown voltage gradient , nonlinear coefficient and current leakage ) are summarized .

概述了低压ZnO压敏电阻的重要添加剂的作用，阐述了其电性能三参数（压敏电压梯度、非线性系数和漏电流）的影响因素。

The simulation result shows that the current distribution is closely related to the voltage gradient applied on the varistor , and concentrated on few paths especially on breakdown region .

结果表明电阻片内微观电流分布与电压梯度紧密相关，低电场区和高电场区比较均匀，而在中电场区分布很不均匀。

Background : Phase 2 reentry [ 1-3 ] due to the increase of voltage gradient produces local currents and causes reentry , and is the course of a number of arrhythmia pathogenesis .

研究背景2相折返[1-3]是由于电压梯度增大而产生局部电流并引起折返激动，为众多心律失常的主要发生机理。

The ZnO-based varistors are produced by sintering at 1000 ℃: the leakage current of 3.0 μ A , the nonlinear coefficient of 22 , the voltage gradient of 1516 V / mm .

采用球磨12h制备出纳米级Bi2O3与Sb2O3，掺杂后的样品在1000℃烧结后，漏电流3.0μA，电位梯度1516V／mm，非线性系数22；

Floating power supply is used to neutron tube in logging neutron generator , which minimizes the space of high-strength electric field , and reduces the voltage gradient by 1 / 3 in the high-strength electric field .

井下中子发生器高压倍加电路采用中子管悬浮式供电，使高电场强度的空间范围缩小，高电场强度区间内单位距离的电压降减少了1/3左右。

The DC voltage gradient coating defect survey method uses specially designed instrument to survey the effect of an impressed current cathodic protection system . It is used to locate and size bare areas on buried metallic pipelines and structures .

涂层有时将被损坏，直流电压梯度涂层缺陷检测技术使用专门设计的仪器来测量阴极保护系统感应电流的影响，这种方法可用来确定埋置管线的位置及涂层脱落面积的大小。

Both Co_2O_3 and MnCO_3 can make the breakdown voltage gradient increased , the nonlinear coefficient increased and the current leakage decreased . But the effect of Co_2O_3 + MnCO_3 additions are more efficient than MnCO_3 ;

发现Co2O3、MnCO3掺杂后都能引起压敏电压梯度升高，非线性系数显著提高，漏电流明显降低，且效果Co2O3+MnCO3大于MnCO3大于Co2O3。

Electro-osmotic technology is characterized by good dewatering effect of urban sewage sludge , but high-energy consumption is required . Therefore , the influence of operating conditions such as voltage gradient , cake thickness , and mechanic pressure on dewatering effect was investigated .

城市污水厂污泥的电渗透脱水技术具有脱水效果好的特点，但能耗较高，为此考察了电压梯度、泥饼厚度和机械压力等操作条件对脱水效果的影响。

As the result shows , the size of Zinc oxide grains is reduced by adding rare-earth oxides into the conventional Zinc oxide varistors manufacturing composition , and the reference voltage gradient of varistors is raised ( up to 276.8V / mm );

结果表明，在传统生产配方中掺入Y2O3等稀土氧化物，通过掺杂改性，可以使电阻片中的晶粒尺寸减小，提高电阻片的电位梯度（达到276.8V/mm）；

The results indicated that ZnO varistor ceramics in high-temperature sintering by laser shock processing , voltage gradient reduced by 15.6 % ; nonlinear coefficient substantially increased by 43.4 % and leakage current reduced by 50 % . The relative dielectric constant increased by 103 % .

结果表明：ZnO压敏陶瓷高温烧结态经激光冲击处理后，电位梯度降低了15.6%，非线性系数提高了43.4%，漏电电流降低了50%，相对介电常数提高了103%。

The ZnO-based varistors were produced by sintering at 1 000 ℃ . And the electric properties of obtained varistors are the leakage current of 3.0 μ A , the nonlinear coefficient of 22 , the voltage gradient of 1 516 V / mm , respectively .

扫描电镜及各个烧结温度下电性能、致密度的实验结果证明：此法制备的粉体压片后，1000℃烧结时，其电位梯度高达1516V/mm，漏电流为3.0μA，非线性系数为22。

Annealing treatment of ZnO varistor ceramics in high-temperature sintering by laser shock processes vs annealing treatment , the voltage gradient is essentially the same , nonlinear coefficient substantially increased by 31.6 % and leakage current reduced by 33.3 % . The relative dielectric constant increased by 68.9 % .

而ZnO压敏陶瓷高温烧结态在退火处理基础上进行激光冲击处理，与退火态相比，其电位梯度基本不变，非线性系数提高了31.6%，漏电电流降低了33.3%，相对介电常数提高了68.9%。

AC flashover voltage , voltage gradient along the leakage distance and the valid creepage distance of polluted insulators are related to its materials and configuration .

人工污秽绝缘子的闪络电压、污闪电压梯度和有效爬电系数均与其材质和型式有关。

After measurement and analysis of the interfering voltage , potential gradient , the point current density , the weight-loss increases with average current density , and the depth of penetration increases with the interfering voltage .

测量和分析了干扰电压、电位梯度、点电流密度、失重量及腐蚀坑深后，可以看出失重量随平均电流密度而增加，腐蚀坑深随干扰电压而加剧。

Based on the test results , the AC flashover voltage , the voltage gradient and the valid coefficient of creepage distance of the five types of insulators are analyzed and calculated .

根据试验结果分析和计算了五种典型绝缘子的闪络电压、闪络电压梯度、有效爬电系数。