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- Compared with cobalt electrode , Cobalt tungsten electrode has rough surface, high exchange current density and smaller resistance ofhydrogen evolution reaction. 与钻电极相比,钻钨复合电极表面粗糙,具有较大的交换电流密度和较小的析氢反应电阻。
- The Test and Analysis of the Exchang Current Density of the Platinum Carbon Compound Electrodes 铂碳复合电极交换电流密度测试分析
- Keywords catalytic membrane;oxygen pumping;NEMCA effect;exchange current density;threephaseboundary; 催化膜;氧泵;NEMCA效应;交换电流密度;三相界面;
- Keywords copper electrorefining;impurity;exchange current density;limit current density;peak current density;charger transfer coefficient; 铜电解精炼;杂质;交换电流密度;极限电流密度;峰电流密度;电荷传递系数;
- Keywords arsenic;antimony;bismuth;electrorefining copper;exchange current density;polarization;predominant crystal orientation; 电解法制铜;交换电流密度;极化;晶面择优取向;
- exchange current density [化] 交换电流密度
- It can greately improve the transconductance and current density. 其中pHEMT(pseudo-HEMT,即赝配HEMT)表现尤为特殊,它能够非常显著地改善HEMT的跨导和电流密度,因此具有广阔的应用前景。
- The overshoot behavior of current density of proton exchange membrane fuel cell(PEMFC) was analyzed and its mechanism was explained. 分析了质子交换膜燃料电池(PEMFC)电流密度的超调现象,从机理上进行了解释。
- The overvoltage varies inversely with the current density to some extent. 超电压在某种程度上随电流密度成反比地变化。
- Abstract: Proton exchange membrane fuel ceils (PEMFCs) need good air flow to get uniform distribution of the current density and species concentration for improved performance. 文章摘要: 质子交换膜燃料电池空气流场的合理设计可以使电流密度、气体浓度等均匀分布,有利于提高性能。
- Much attention is paid on the economic current density in the conductor. 很重视对导体中的经济电流密度的评估。
- Tunneling process is important in the low to moderate current density range. 在中等及中等以下电流密度下,隧道穿透过程是重要的。
- The current density reduces along with the temperature of hollow cathode rise. 电流密度随空心阴极温度的升高而下降。
- The results indicate that the current efficiency and oxidation rate decrease with the increase of average current density under the same electrolysis coulomb in the system of anion exchange membrane. 结果表明: 阴离子交换膜体系中, 在相同电解电量条件下, 电流效率和氧化率随平均电流密度升高而降低;
- It extensive be used for frequent current, direct current, exchange current and pulse in balance circuit. 广泛用于高频、直流、交流和脉衡电路中。
- The conversion increased with the increase in current density and with the decrease of the thickness ofsulfur bed. 实验发现由疏转化为硫酸的量随电流密度的增加而增加,随硫床层厚度的降低而增加。
- Tin whisker growth at high current density was more than the one at lower current density. 实验结果显示,电流密度高的试片锡须生长数量较多于电流密度低的试片。
- When the current density finally reaches the steady state,the pore distribtion is complete. 当上升过程结束,电流密度达到稳定值后,孔的分布已完成.
- There was no significant difference of the VGCC current density between control group and BFP or HSH971 treated group. 单独应用上述浓度的BFP和HSH971孵育细胞6h,VGCC电流密度较空白对照组差别无显著性。 (P>0.;肠)
- The anode gas should be humidified as much as possible, when PEMFC operated at low current density. 故PEMFC在小电流密度工作时,应该使阳极气体充分增湿;