查询词典 fuel cell

Fuel cell is a new energy conversion device featuring high efficiency and low pollution. Because its electrical efficiency can achieve 50%-60%, the foreground is very good, the research and development of fuel cell have been emphasized in many countries now.

燃料电池是一种高效低污染的新型能量转换装置，其发电效率可达到50%~60%，有非常好的发展前景，目前很多国家都很重视对燃料电池的研究开发工作。

By analysis of characteristics of the fuel cell, the performance requirement of the electrical driving system of fuel cell powered EV has been given.

通过分析燃料电池的本质及其工作特性，提出了对燃料电池电动车电驱动系统的性能要求。

Several combined cycles of fuel cell (mainly SOFC solid oxidate fuel cell) with gas turbines and their different performances are compared, and the good prospects are pointed out.

最后着重就燃料电池(主要是SOFC固体氧化物燃料电池)和燃气轮机联合循环的几种方案和各种性能进行比较，指出了其良好的前景

The humidity of PEM fuel cell plays an important role in the performance of the fuel cell.

PEM燃料电池的湿度对燃料电池的工作性能和使用寿命有着重要的影响。

Based on the fuel cell simulation platform,PEM fuel cell power train system is setup.

在建立的燃料电池模型的基础上，建立了燃料电池动力系统模型。

This obtained polynomial equation in characterize the relationship between the output voltage of the fuel cell and the operating parameters, the current and temperature, can be effectively used in the future control system design for this type of fuel cell system.

此存在於燃料电池输出电压与电流与温度的操作参数间之近似多项式关系式，将可有效的被用於此类燃料电池控制系统的设计上。

In this research, a 2D analytical mathematical model of a direct methanol fuel cell was developed to describe not only electrochemical reactions on the anode and cathode electrodes, but also transport phenomena within the fuel cell, operating isothermally at steady state.

在本研究中，我们建构一个甲醇燃料电池的数学模型，并推导得出其解析解。

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。

The invention provides a fuel cell system having a pressurizing system with components in both a cartridge and a fuel cell main body.

本发明公开了一种具有设置在盒和燃料电池主体两者内的部件的加压装置的燃料电池系统。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。