查询词典 cathode current

Humidifying technology is one of key technologies for proton exchange membrane fuel cell, One cathode flow field plate with diffuse increased wet channels was designed.

增湿技术是质子交换膜燃料电池的关键技术之一。

The thermodynamicand kinetic equations were derived for the first time, which described the electrochemicalreaction of Li+ insetting into the spinel cathode.

并首次对锂离子在尖晶石内电化学嵌入反应的热力学和动力学方程进行了推导分析。

Cyclic voltammograms measurement suggest that the reversibility of the cathode materials enhances by composite doping during intercalating and de-intercalating.

循环伏安性能显示，复合掺杂提高了该材料中Li离子脱－嵌过程的可逆性。

A two-dimensional, two-phase and multi-component transport model was developed for the cathode of PEM fuel cell using interdigitated gas distributor.

对叉指型质子交换膜燃料电池阴极提出一个二维两相的多组分流体输运模型，应用连续性方程和Darcy定律以及组分扩散方程描述了反应气体和生成水的流动和传质。

The study aims at the performance of a proton exchange membrane fuel cell with interdigitated flow field, its influencing factors and feasible ways to improve it. The necessity and advantages of using interdigitated flow field were introduced. A three-dimensional, two-phase and steady-state numerical model was developed. The computational domain of the model consists of the flow channels, gas diffusion layers and catalyst layers in both anode and cathode sides and the PEM in PEM fuel cell.

为研究交指流场质子交换膜燃料电池的输出性能，分析影响其性能的因素，寻找改善其性能的可行措施，探讨了使用交指流场流道的必要性和优越性，建立了包括质子交换膜燃料电池阴极／阳极侧流道、扩散层和催化层以及质子交换膜在内的完整的稳态、三维、两相数学模型。

First, a full three-dimensional numerical model is developed, which considering not only the rib resistance to the species, but both the single- and two-phase flow and transport in the gas channels and diffusers at both the anode and cathode sides of PEM fuel cell. Two sets of boundary conditions, one for a conventional flow field and the other for an interdigitated one, are presented. A detailed discussion of the numerical techniques for the PEM fuel cell model is given with a flow diagram to provide an overview of the solution procedure using FORTRAN language.

该模型考虑了双极板上流道间的筋部对于反应气体传递阻力以及电流密度分布的影响，从而使模型具有三维特性；建模过程中进一步考虑了流道和扩散层中可能存在的液态水，从而将现有的单相流动模型拓展成为两相流动模型，因此，该模型可以同时模拟电池内部阴极、阳极侧流道和扩散层中两相流动的发生和分布情况；分别给出了平行流场燃料电池和交指型燃料电池的边界条件；详细讨论的三维模型的耦合求解算法和技巧；用实验数据验证的该模型的准确性。

On the technologies for this type of laser, special anode for cathode-outgassing and two-way evacuating method were put forward. That these methods can improve the effect of outgassing has been proved theoretically/experimentally.

在激光器的制作工艺方面，提出了加设除气用辅助阳极和使用双真空排气的方法，并从理论或实验方面证明了这些方法可以改善激光器的除气效果。

It is required that the polarities of cathode and anode should be reversed.

22要求倒换一下阴极和阳极。

The objective of this part is to investigate the effects of the location of the gas-liquid interface along the channel direction under various cathode humidification conditions and gas diffusion layer porosities in the conventional flow field.

主要是探讨在阴极的流道及扩散层中，阴极的增湿情况以及阴极气体扩散层的孔隙度改变时对汽液界面位置的影响。

According to the assembling method of block of cathode carbon,an automatic ramming machine is developed.

依据阴极炭块组的组装方式，研制了一种阴极炭块组自动捣固机构，提高了组装工作效率和捣固质量，减轻了工人劳动强度，改善了作业环境。

Tom: You are right, he worked hard all the time.

你是对的。他一直都是努力工作。

Take shortcomings,failures,and mockings of others as commonplace and a drive to complete oneself,hold your own opinion over the evalution and disscution divested from others,afterwards sink into the state of eliminate mistakes if any or encourge oneself being not being influenced by the sayinngs of others or having no ideas to do.

把缺点、失败及别人的耻笑等看成是一种常事，当成完善自己的动力，对别人的评价和议论自己心中有主见，做到&有则改之，无则加勉&，不为人言所左右或无所适从。