- 更多网络例句与电流密度相关的网络例句 [注：此内容来源于网络，仅供参考]
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The results indicate that back electromotive force increases with increasing current density and decreases by 0.5 V after adding 2% Li2CO3, the feeding period is 15 min measured by the method of electric potential control. Finally, the Al-Li alloy with the lithium content of 7.93% can be obtained by electrolyzing for 3 h at the current density of 0.62 A/cm^2 and at 680 ℃, and the current efficiency can reach 74.1%.
结果表明，反电动势随电流密度增加而增大，加入2%的Li2CO3可使反电动势降低0.5V；通过控制电位法测得加料周期为15 min：在680℃、电流密度为0.62A/平方公分的条件下持续电解3h，最终制得了理含量高达7.93%的铝锉合金，电流效率可达74.1%。
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The main work can be summed up as follows: Firstly, we studied the thermal-field properties of VCSELs, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. Secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of VCSELs, and then studied the influences of the oxide-confining region with different position or thickness, and the different sizes of the gain-guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. Thirdly, we realized the coupling of electricity, optical and thermal-fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, Fermi levels and optical-field. Finally, we gave the equipotential line distributions with considering N-DBR and double oxidized-confining regions, and analyzed theinfluences of N-DBR and double oxide-confining regions on the distributions of the current density, carrier concentration, temperature and optical-field.
具体工作可以概括如下：首先，研究了VCSEL的热场特性，分析了电流扩展，材料参数和工作条件对于温度分布的影响；其次，从电极电压入手，计算出激光器中的等势线分布，并对不同深度处的电压和电流分布进行比较，研究了高阻区的不同位置和不同厚度、限制层和出射窗口半径的大小对电流密度、载流子浓度和温度分布的影响；再次，实现了电、光、热耦合，求出了阈值电压，计算了不同偏置电压下的电流密度分布、载流子浓度分布和热场分布，分析了温度和载流子浓度变化对折射率、费米能级和光场的影响；最后，给出了考虑N-DBR和双氧化限制层时激光器中的等势线分布，分析了N-DBR和双氧化限制层对VCSEL电流密度、载流子浓度、温度和光场分布的影响。
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Simulation results also show that saddle-shaped distributed AMF can more effectively inhibit constriction of vacuum arc.
对于小电流扩散态真空电弧，重点仿真分析不同电弧电流与不同纵向磁场对其关键特性的影响，部分仿真结果进行了实验验证；对离子处于超音速流动的收缩态真空电弧的仿真表明，真空电弧的磁收缩主要是由于霍尔效应引起的，离子温度和电子温度沿轴向先增大后减小，马鞍形分布的纵向磁场能够更有效地抑制真空电弧的收缩，而且阴极斑点分布对真空电弧特性也有着显著的影响；对离子处于亚音速流动状态的大电流真空电弧的仿真表明，部分等离子体不能到达阳极而损失，马鞍形分布的纵向磁场能够更有效地抑制电弧等离子体的损失，同时能使阳极电流密度和能流密度的分布更加均匀。
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The results showed that the W content in the electrodeposits rose with the increasing of cathodic current density in the solution containing ammounium citrate as complexing agent,whereas the current efficiency remained approximately constant. When the current denisity was higher than 15 A/dm2, the W content in the alloy was not obviously changed, but the current efficiency remarkably decreased.
结果表明，在以柠檬酸铵为络合剂的镀液中，沉积层的W含量随电流密度的增大而增加但电流效率变化不大，当电流密度超过15A/dm2后，镀层的W含量不再发生明显的变化而电流效率却明显降低。
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Based on the relation betweenthe current density and the activation energy, the glass-phase exponent 〓the relaxation of current density in 〓times window, the criticalcurrent in a certain criterion of electric field as a function oftemparature infixed field or field in fixed temprature were calculated.
利用交流磁化率测量，得到了Hg-1201和Hg-1223样品的不可逆线，同时系统地研究了交变磁场频率和振幅对交流磁化率损耗峰的影响，并用非线性磁通扩散的模型解释了这些实验结果，从中推得与温度、直流场和电流密度有关的磁通跳跃激活能，由与电流密度有关的激活能推出描述玻璃相的指数μ，在10-5秒～10-2秒时间内的电流密度弛豫，E-j曲线，一定电场判据下的临界电流密度与磁场和温度的关系，从E-j曲线可以看出确实存在&零电阻电流&的玻璃相。
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Therefor the key of gaining more sulfurs from sulfide is the strict controlling of the temperature and current.
实验结果表明：电流密度、温度、氢氧根离子浓度、硫氢根离子浓度和电解液的流速等对电解反应都将产生一定的影响；其中电流密度和温度对电解反应的影响最大，对于循环溶液的电解反应，严格控制温度和电流密度，是获得较高转化率的关键。
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The way to improving throwing power: the suitably high current density, polarization curve is the fine way to find suitably high current density.
解决镀层延展性的方法：尽量高的的电流密度，不高于极限电流密度。寻找尽量高的电流密度方法：测量极化曲线，从中找出极限电流密度。
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The way to improving throwing power: the suitably low current density, about 1/3 limited current density; high ratio of sulfuric acid to sulfate copper.
解决深镀能力的方法：适当低的电流密度，即1/3极限电流密度大小；高酸低铜配比；寻找适当低电流密度和极限电流密度的方法：极化曲线方法。
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At equilibrium,the rate of the metal dissolution is equal to the rate of the cathodic reaction,and the rate of the reaction is directly proportional to the current density by Faradar's law ;therefore:（6）and the Nernst equation can be rewritten(7)where B is a constant and i0 is the exchange current density,which is defined as the anodiccurrent density at the standard electrode potential.
在平衡，金属溶解的率与负极反应的率是相等的，并且反应的率与电流密度直接地是比例由Faradar的法律；因此：(6)和能斯脱等式可以被重写(7) B是常数的地方，并且i0是交换电流密度，被定义作为正极电流密度在标准电极电位。
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The main research work of this dissertation is as follows: Based on the chemical reaction engineering theory and the nitrobenzene electroreduction mechanism, the plate and frame electrolyzer was designed and applied to the process of electroreduction nitrobenzene to p-aminophenol. This dissertation measured the residence time distribution data of the electrolyzer by means of the pulse response method and studied the rule of flow pattern along with the current capacity change. Under different conditions ,this dissertation studied the cyclic voltammetry properties of nitrobenzene on different electrodes by means of the dynamic cyclic voltammetry method and the electrode materials applied to the NB electroreduction have been selected primarily.Baseed on the results of cyclic voltammetry tests, this dissertation used p-electrode systems to measure the steady-state- polarization curves of nitrobenzene on different electrodes in H-type diaphragm cell, and obtained each primary factor s influence rule and the exchange current density value of each electrode.And then on the basis of the conclusions of fundamental researchs upword, the effects of influence factors on the the yield of p-aminophenol and the current efficiency,such as electrode material, current density, quantity of electricity circulated, nitrobenzene concentration . sulpuric acid concentration and so on, have been studied in detail in the systems of hign temperature , strong acidity and oxygen-poorthrough a series of electrolysis experiments in this paper.After all using Pb as anode Monel metal as cathode Dupont Nafion 417 cation-exchange membrane as membrane, this dissertation obtained the optimum technological condition: reaction temperature about 85C, current density 500A m-2, sulphuric acid concentration 20%wt.
论文的主要研究工作为：运用化学反应工程理论，结合硝基苯的电还原机理，设计出用于硝基苯直接电还原合成对氨基苯酚实验的板框式电解槽，并利用脉冲响应法测定了该板框式电解槽的停留时间分布数据，研究了流型随流量变化的规律；通过动态循环伏安法研究了硝基苯在不同电极上、不同条件下的循环伏安特性，初步评选出了用于硝基苯电还原的电极材料；结合循环伏安的测定结果，在H型隔膜电解槽中采用三电极体系测定了硝基苯在不同电极上、不同条件下的稳态极化曲线，得到了各主要因素的影响规律及硝基苯在各个电极上电还原的交换电流密度数值；在基础研究结论指导下，采用板框式电解槽，在高温、强酸、贫氧系统中，进行了一系列的电解实验，分别考察了电极材料、电流密度、通电量、硝基苯浓度、硫酸浓度等因素对收率及电流效率的影响，最终选择以蒙乃尔合金电极作为阴极、铅合金为阳极、Dupont Nofion 417阳离子交换膜为隔膜，得到由硝基苯直接电还原制对氨基苯酚的最佳电解工艺条件：反应温度85℃，电流密度500A·m~(-2)，硫酸浓度20％wt。
- 更多网络解释与电流密度相关的网络解释 [注：此内容来源于网络，仅供参考]
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current density：电流密度
在缩小线宽以便将密度更高的积体电路塞进更小的电子元件时,研究人员不断遇到因为电流密度(current density)提高而引发的电迁移(electromigration)及热迁移(thermomigration)现象,这些现象会损害金属导体并产生热,导致元件提早故障.
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current density：(阳极的)电流密度
current capacity (阳极的)电流容量 | current density (阳极的)电流密度 | current direction 海流方向
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emission current density：放射电流密度
hospitable 好客的, 招待周到的 | emission current density 放射电流密度 | earthfast 牢固在土中的
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emission current density：发射电流密度
交换电流密度:Exchange current density | 发射电流密度:emission current density | 电流密度成像:Current Density Imaging
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electric current density：电流密度
elastin 弹性蛋白 | electric current density 电流密度 | electric current 电流
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electric current density：电流密度=>電流密度
electric current 电流=>電流 | electric current density 电流密度=>電流密度 | electric current loop 电流环
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critical current density：临界电流密度=>臨界電流密度
critical current 临界电流=>臨界電流 | critical current density 临界电流密度=>臨界電流密度 | critical curve 临界曲线
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threshold current density：阈电流密度
threshold current 阈电流 | threshold current density 阈电流密度 | threshold degeneracy 阈值简关
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current intensity：电流密度
4037. current input 电流输入 | 4038. current intensity 电流密度 | 4039. current leakage 电流漏泄
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current density distribution：电流密度分布
电流密度成像:Current Density Imaging | 电流密度分布:current density distribution | 异重流(泥沙):sediment density current