查询词典 electric current

The qualitative relations of Qbd with current density,electric field,temperature and gate oxide area are given.

Qbd值及其失效统计分布与测试电流密度、电场强度、温度及氧化层面积等有定量关系。

The results about the magnetic vector potential of current-carrying ring and the electric potential of uniform charged ring which are expressed by Bessel functions are further calculated and analyzed.

用Bessel函数积分对圆环电流磁矢势及均匀带电圆环电势作进一步的计算分析，引申出磁感应强度及电场强度新的级数表达式，分析讨论了所得结果。

The long-term unbalance of the three-phase direct-current electric resistance of the coal mine substation host transformer,has led to grave product of tap changer charcoal,insulation oil flash point reduces,threatens the safe operation.

煤矿变电所主变压器由于长期三相直流电阻不平衡，导致分接开关严重积炭，绝缘油闪点降低，危胁主变压器安全运行。

It is studied on distribution of current conduction in electric field.

而采集的数据又是整个探测之根本，因此就要求我们在选取参数时要谨慎而科学。

In the paper,the alternative characters of current electric conduction of rock-coal porous medium with gas are studied.

研究了煤岩多孔介质及其充瓦斯后的交流导电性。

In the paper,the alternative characters of current electric conduction of rock-coal porous medium with gas are studied.

开展煤岩多孔介质及其充瓦斯后电性质的研究，对煤与瓦斯动力灾害的有效预防及煤层气的勘探开发具有重要的意义。

When spark switch closes,an electric arc forms between the electrode,and current conduction begins.

当气体火花开关闭合时，开关电极之间会产生强烈的大电流电弧，电极内部开始有电流流动。

Over the past few years, the company and make unremitting efforts to form an automatic sprinkler fire extinguishing system-oriented products, have developed a fixed artillery fire extinguishing systems, foam extinguishing systems, gas fire extinguishing system, such as series of fire protection products, the current main Products are: sprinkler nozzle series, wet alarm series, deluge valve series, the flow indicator series, water spray, water curtain fire sprinkler control valve series series, in particular the PS20 - PS80 fire water cannons, PSKD30 - PSKD60 electric artillery fire control, PHY Series storage pressure of air bubble mixing device, such as the proportion of products in the domestic market by the user's consistent high praise, has great competitive advantage.

几年来，公司经过不懈的努力，形成了以自动喷淋灭火系统为主导产品，相继开发研制了固定消防炮灭火系统，泡沫灭火系统，气体灭火系统等系列消防产品，目前主要的产品有：洒水喷头系列，湿式报警系列，雨淋阀系列，水流指示器系列，水雾，水幕喷头系列消防控制阀系列，特别是PS20--PS80消防水炮，PSKD30--PSKD60电控消防炮，PHY系列贮压力使空气泡沫比例混合装置等产品在国内市场受到用户的一致好评，具有很大的竞争优势。

The electric field integral equation of a dielectric cylinder irradiated at a given direction by radar electromagnetic wave is solved using MOM to obtain the polarization current of the dielectric cylinder.

引言目标识别、隐身与反隐身等的研究在当今有着重要的军事价值，其基础就是复杂目标的电磁散射特性分析。

He called the varied electric field as Displacement Current.

他提出位移电场。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。