surface current density

The field emission current density distribution over the tip surface was established using Fowler-Nordheim function, and the emission current over the single tip established by integrating the current density all over the single tip surface was 7 μ A.

由Fowler Nordheim函数可得到尖锥表面的场致发射电流密度分布，对整个尖锥表面进行积分后得到了单个尖锥的场致发射电流约为7μA。

We then solve the integral equation for the surface current density by the moment method and obtain the electrical fields in the shielding shells by the scattering theory.

然后以任意形状截面柱体为例，用矩量法求解积分方程，得到电磁屏蔽效果；

The potential and current density distribution in micro areas on metal surface is significant for studying localized corrosion.

扫描微电极法测定金属微区腐蚀电位及电流密度分布是研究金属局部腐蚀的重要手段。

Calculation of Thermal Current Density of Billet Surface Basing on Partial Observation on Mold

基于实测温度推算铸坯表面热流量分布

Distribution of electromagnetic field between plates and electric charge surface density and current surface density on plates of a parallel plate capacitor in alternating current circuit are calculated by Maxwell ′ s equations and boundary conditions, the results are discussed

应用麦克斯韦方程和边界条件，计算了交流电路中平行板电容器极板间的电磁场、极板电荷面密度和电流面密度的分布，并对结果进行了讨论

The electrochemical quartz crystal microbalance ( EQCM) was used to monitor the electrodeposition process. The result indicated the quantity of coating on the chip surface was influenced by the current density, and the optimal current density was confirmed as 0.6mA/cm2.

同时采用电化学石英晶体微天平（EQCM）监测不同电流密度下电沉积过程，结果表明：晶体表面沉积的膜层质量和表面致密程度受电流密度的影响，并且确定了最适合的电流密度为0.6mA/cm2。

But current density and heat flux on deformed weld pool surface are not similar Gauss distribution.

而变形熔池表面的电流密度和热流密度分布则不再符合近似的高斯分布.

Considering the influence of the convective mixing, the mixing of reservoir water surface layer by wind and the density current, the reservoir water temperature distribution and variation along with time may be computed by implicit form difference equation.

考虑对流、风掺和泥沙异重流的影响后，由所提出理论按隐式解法，可求解水库水温的分布以及与时间变化的影响。