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- Elliptical sheet beams with uniform current density are generated by the new-style electron gun geometry which comprises of an elliptically cylindrical cathode and an elliptical focusing electrode. 采用这种结构可以直接产生椭圆形带状电子注，且阴极发射电流密度较为均匀。
- uniform current density 均匀电流密度
- On account of the socalled "base region self-crowding effect", this would make the emitter current density not uniform over the emitter junction area, the cur... 文中着重分析在各种注入条件下发射结面上发射极电流密度的分布,亦即所谓基区电阻自偏压截止效应,最后给出主要结论。
- 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。
- 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 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。
- 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。
- Instantaneous time varing E-field, H-field, and Poynting vector P on the field sphere with uniform current distribution. 观察均匀电流分布在球面上的电场、磁场和玻因亭向量。
- 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)
- It is shown that the induced uniform current on the surface of workpiece can be induced by optimization of the shape and size of inducer coils, which provides a good way to develop ACFM probe. 根据优化的激励线圈，在工件表面得到符合要求的均匀交变电流，从而为探头的研发提供了科学依据。
- 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；
- The current density of discharge is related to the vacuum width, voltage and air pressure. 放电电流密度的大小与空腔尺寸、放电电压和工作气压有关；
- Results show that the proportion of inward to outward growth varies with intensifying time and current density. 结果表明,微弧氧化陶瓷层向内与向外的生长比例受强化时间和电流密度综合控制。
- Comparing the result with synchronized CTD data, it is shown that the models with the effect of Coriolis force and steady uniform currents are more reasonable. 结果表明，加入地转和均匀背景流场影响的模型更为合理，为更准确地反演混合层深度奠定了基础。
- Many parameters,such as current density,time on and off,pulse frequence,can be interceded in pulse electrolysis. 脉冲电解可以调解电流密度、电流的通断时间、脉冲频率等多个参数,为控制金属沉积层的质量和沉积速度提供了有力的手段。
