电流密度

电镀工艺参数主要包括电流密度、温度、PH值、搅拌、阴阳极和换向电流等因素，其中影响最大的是电流密度。

Electroplating technological parameter includes factors of ampere density , temperature , PH value , stir , negative and positive pole . The maximum influencing factor is ampere density .

电流密度越高，加工时间越长，钝化膜越厚。

The higher ampere density and longer machining time produce more thick passive film .

超电压在某种程度上随电流密度成反比地变化。

The overvoltage varies inversely with the current density to some extent .

电流密度和润湿剂对Ni镀层组织与形貌的影响

Effects of Current Density and Wetting Agent on the Nickel Coating by Electroplating

研究了温度、电流密度、pH等工艺条件对镍-金刚石复合镀层性能的影响。

The Influences of process conditions , such as temperature , current density , pH value , etc.

Bean模型与不同几何形状样品中的临界电流密度

Bean model and critical current density of superconductor samples with different shapes

Bi系银基带材的临界电流密度

Critical current density JC of Ag-SHEATHED composite tape of Bi-system superconductor

相比较临界电流密度，n值对材料的破坏更为敏感。

The experimental results also demonstrate that n-value is more sensitive to the damage of tapes than the critical current density .

考察不同的电流密度、进水pH值、Cl-质量浓度等对电解效果的影响，从而确定了最佳操作条件。

The influence of electrical density , pH value and Cl ~ - concentration on COD removal efficiency was studied .

而mRNA浓度下降会导致通道电流密度降低。

The decline in consistency of m RNA will cause the loss of electric current density .

银包套Bi（2223）带材临界电流密度的低温强磁场特性

The JC characteristics of Bi-2223 silver-sheathed tapes at low temperature and high magnetic fields

随着沉积电流密度的提高，镀层中W的含量增大，而沉积电流效率降低。

When deposition current density was increased , W content in the coating was raised and deposition current efficiency decreased .

根据肖特基势垒的反向IV曲线，计算了势垒的反向饱和电流密度和平均理想因子。

We have calculated the saturation current density and ideality factor of the Schottky barrier with reverse characteristics .

提高电流密度能增加COD的去除率，但电流效率下降。

With the increment of the current density the COD removal rate increased , but the current efficiency decreased .

先将未知的电流密度分成有旋和无旋两部分，并分别采用Loop基函数和Tree基函数进行展开，展开后的未知数的个数与传统的矩量法相等。

We represent the unknown currents in terms of its solenoidal and irrotational components and use Loop / Tree basis function as the expansion function , respectively .

研究了溶液电导率以及电流密度对Al合金微弧氧化陶瓷层生长过程和厚度的影响。

The effects of the electrolyte conductance and current density on the growth process and thickness of MAO ceramic coating of aluminum alloy were studied .

控制流过金属钛的电流密度，可以在表面形成TiO2薄膜。

TiO2 thin film was prepared by electrothermal oxidation of metal titanium sheet through control of the current density .

直流TIG焊接电弧阳极电流密度的数值计算

Numerical Computation on Anode Current Density Distribution of Direct Current Tungsten Inert Gas Welding Arc

从动力学驰豫的测量结果推导临界电流密度J（c0）（T，Be）的直接方法

A direct method to derive critical current density j C0 ( t , b e ) from dynamic relaxation measurements

临界电流密度Jc受外加磁场的影响，明显地表现出各向异性，且各向异性因子随磁场的变化而变化。

Anisotropy factors change with the increasing of the magnetic field .

在约12.5V/μm的叠加场下，PS薄膜的发射电流密度达到1mA/cm2。

The emission current density from the PS films reached 1mA / cm2 under an applied field about 12.5V / μ m.

结果表明：电流密度对多孔TiO2涂层的结构和性能有很大影响。

The results show that there are obvious effects of the current density on the structure and properties of titania coatings .

XRD和SEM实验结果都表明，电流密度是造成Cu镀层织构和表面形貌变化的主要原因。

The results showed that the surface morphology and crystal orientation of Cu electrodeposits varied mainly with the current density used in deposition : at c. d.

通过阴极极化曲线的测定研究了硫酸盐电解液喷射速度u（流速）对电流密度jc和阴极过电位ηc的影响。

The relationship between jet flow rate , current density and cathodic overpotential was studied by measuring cathodic polarization curve in simple sulfate system .

c轴取向MOCVD-YBCO膜临界电流密度的角度效应

Angular dependence of the critical current density of the c-axis oriented mocvd-ybco film

研究了阴极电流密度、微粒浓度、pH值、搅拌方式和表面活性剂种类以及浓度等对镀层沉积速率的影响，为正确制定电镀工艺提供了依据。

The effects of cathodic current density , concentration of suspended nano-SiO2 powders , pH value , stirring style and concentration of surfactant agent on the deposition rate were studied .

结果表明，在As（V）存在下，控制电流密度电积，可以实现铜电解液中铜与砷的分离。

The results show that the copper and arsenic in copper electrolyte contaning As ( V ) can be separated by multiple stage electrowinning of current density adjustment .

探讨了复合电极中PTFE含量、阴极电流密度、电解液温度、电解电量对频那醇产率的影响。

Effects of PTFE content in electrode , current density , temperature of electrolyte and electric quantity on pinacol yield was discussed .

通过对搅拌方式、PTFE添加量、镀液温度、电流密度和pH值等工艺参数对复合镀层组织性能影响的研究确定最佳的工艺参数。

Determine the optimum process parameters by mixing method , PTFE dosage , bath temperature , current density and pH affect the structure and properties of Composite Coating .

结果表明：升高电池温度可提高PEMFC的性能及极限电流密度；

The experimental results show that the performance and limited current density of the PEMFC are enhanced with increasing operational temperature .