介质电流

Electromagnetic fields, caused by high frequency loop current on layer earth, are computed numerically by direct integral of Gauss quadrature, continued fraction expansion and Padé approximation using Matlab language.

在层状介质情况下，本文提出采用直接积分方法——高斯改进型积分、连分式展开法，对高频谐变回线电流产生的电磁场进行正演计算，采用MATLAB语言实现算法。

The distribution in discharge space,time change of electric field intensity,electron and ion density and the current density are calculated.

分别计算和分析了介质阻挡放电中电场、带电粒子浓度以及电流密度在放电空间的分布和随时间的演变过程。

This system in this paper has been on site tested. It has showed high efficiency, stability and accuracy to on line monitor dielectric loss, leaking current and equivalent capacitance for transformer bushing.

经过现场测试表明，设计的在线监测系统对变压器套管的介质损耗、泄漏电流、等值电容的监测是有效的，其稳定性和精度较高。

It shows high efficiency, stability and accuracy to on-line monitor dielectric loss, leaking current and equivalent capacitance for transformer bushing. And so dose the gas solved ir oil on-line monitoring system, in a word, it can be considered as the reference to diagnose the insulation status of transformer.

现场的运行分析表明，设计的在线监测系统对变压器套管的介质损耗、泄漏电流、等值电容的监测是有效的，变压器油中六种溶解气体的监测结果较稳定，可以作为变压器绝缘状态的参考依据。

In this paper,a calculation method of Lissajous figure was proposed,based on the applied voltage and loop current.

为此，基于大气压氦气介质阻挡辉光放电试验测量的外加电压和回路电流，提出了该外加电压下Lissajous图形的计算方法。

However, there are problems with the traditional methods such as power meter, voltage measurement of high pressure and side-current, Q-V Lissajous figure trace method. It is difficult for the traditional methods to reflect the power of the discharge device, because they can not be very accurate, convenient and practical in measuring the discharge power.

然而，传统的用于测量介质阻挡放电功率的功率表法、高压侧电流电压测量法、Q-V轨迹Lissajous图形法等在准确性、方便性、实用性等方面存在许多问题，很难真实的反映放电装置消耗的功率。

The results show that BDT can be assembled on the surface of copper electrode to form monomolecular self-assembled membrane,and the membrane can efficiently inhibit the copper base corrosion in the 3% NaCl corrosion medium and acidic solution.

实验表明：BDT能够有效地组装到铜的表面形成单分子自组装膜，BDT自组装膜能有效地抑制铜基底在3%NaCl腐蚀介质以及酸性NaCl溶液中的腐蚀行为；缓蚀效率随组装时间的延长逐渐升高并趋于稳定，在pH值较低的溶液中仍具有较好的缓蚀效果；当BDT浓度为1.0×102 mol/L、组装时间为40 h时，铜电极的腐蚀电流最小，缓蚀效率最好。

The pitting growth for 304 stainless steel in 0.5mol/L NaCl and its inhibition by piperidine were investigated by means of atomic absorption spectrometry and pitting current-time curve measurements under potentiostatic condition.

采用恒电位计时电流法研究了304不锈钢在0.5mol/L NaCl介质中孔蚀发展过程及缓蚀剂对孔蚀发展的抑制作用，同时用原子吸收光谱测定合金各组分元素的溶解量。

On this basis,, Least-squares method is adopted to decompose the total current according to applied macro-field strength, and then the equivalent conductivity under AC and relative permittivity of nonlinear composite dielectric are obtained.

在此基础上，利用时域最小二乘法依据外加电场对总电流分解而获得非线性介质的交流等效电导率和相对介电常数。

The results indicated that substrate sandblast contributed to enhance the adhesion between the titanium substrate and the MMO coating, while increasing in the coating mass led to increased durability of the anode, and the coating consumed rate of the coated anode was almost zero.

所研制的RuIrTiSnCo涂层钛阳极具有良好的电化学稳定性和较长的寿命，强化寿命达到96h，约为次氯酸钠发生器标准的5倍，是海水介质外加电流阴极保护中比较理想的辅助阳极。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。