gas diffusion

Effect of components of gas diffusion electrode on the performance of air electrode in EDC

电极组分对CO2浓缩器电池空气电极的影响

A dynamic model of gas diffusion without wind is established according to the Grads Theory.

在限定容器中气体介质是中性气体的情况下,由于中性气体在扩散过程中各向同性,扩散方程获得了简化.

Studying the ability of mudstone caprock stopping gas diffusion by using log data

利用测井资料研究泥质岩盖层阻止天然气扩散的能力

Gas diffusion layer ( GDL) is a key component in PEMFC.

气体扩散层是质子交换膜燃料电池的重要组成部分。

With the large scale software FLUENT, by using the K-two-equation model, the numerical simulation of the turbulent flow field was developed. On this ground, the gas diffusion, flow field and their influence on combustion are analyzed.

用大型软件fluent，采用-双方程模型对新型炼镁炉内湍流流场进行数值模拟，分析了炉内气体扩散过程、流场分布以及炉内流场对燃烧过程的影响。

Gas diffusion pattern in the airflow of normal tunnel is analyzed.

分析了瓦斯在正常井巷风流中的主要运移扩散方式；

Concentration distribution expression of gas diffusion, reaction process at limited distance in small diameter pipe containing solids, the relation of gas concentration, diffusion time and diffusion distance have been derived by the second Fick's low.

从费克第二定律出发，推导了气体在装有固体颗粒的小直径圆形管中有限扩散距离内扩散-反应过程的浓度分布表达式以及气体浓度与扩散时间和扩散距离的关系。

This text analyzes factors such as the ventilate, hydroscopic and thickness of different institutional framework fabric with the same parameter ( the weft and warp density, yarn)., and design two new structures used for gas diffusion layer.

本文比较分析了经纬密、纱支等参数相同的不同组织结构织物的透气性、吸水性和厚度等因素，并设计开发了两种用于气体扩散层的新结构。

Network analysis of ternary gas diffusion in porous media

多孔介质中三组分气体扩散的网络分析

The different parameter change regarding the poison gas diffusion influences that are simulated.

研究模拟了不同参数的变化对于毒气扩散的影响程度。

As well located at the mountain terrain special surface, the gas diffusion process more complicated.

由于井场所位于的山区地形下垫面特殊, 气体扩散过程比较复杂.

Key Technique of Real-Time Simulation in Diffusion Process of Hazardous Gases ── Probe into Solving Reversal Question in Gas Diffusion Equation

危险气体扩散实时仿真的关键技术&反求源强方法初探

We analyzed the thermal behavior of the gas content. Gas diffusion and nucleus stability has been discussed based on diffusive equilibrium of the interface.

分析了气核内气体的热力学行为，基于相平衡条件，还讨论了气体扩散与空化核稳定性的关系。

According to the gas diffusion theory the mechanism of thermal aging of the polyurethane is analysed and an equation for calculating the apparent thermal conductivity of the foam material is derived.

利用气体分子扩散理论，分析了泡沫塑料导热系数随时间变化的机理，导出了一个泡沫材料导热系数的计算公式。

Methods Based on the hemisphere diffusion mode, the characteristics of toxic gas diffusion were studied.

方法利用半球扩散理论模型, 分析毒气扩散规律.

The result of experiment indicated the gas diffusion electrode was able to absorb oxygen in the air, which was reduced into hydrogen peroxide in biggish pH value extension;

结果表明：气体扩太原理工大学硕士研究生学位论文散电极在较大的pH值范围内能够吸附空气气泡中的氧气而使之还原为氏02。

Smoke screen has impact on the beauty of architectural construction, but it can effectively slow flue gas diffusion speed.

挡烟垂壁虽会对建筑结构美观造成一定的影响，但是可以有效减缓烟气的扩散速度。

Geological factors controling gas diffusion loss in strata section

控制地层剖面中天然气扩散散失的地质因素

Preliminary study on single flaky gas diffusion electrode

单片立式气体扩散电极初探

A passive detection tube for hydrogen sulfide is based on the gas diffusion and chemical adsorption.

研究了快速监测硫化氢气体的新方法——硫化氢被动式检气管方法.

The paper analyzes the factors effecting on poison gas diffusion, including gaseous diffusion models, types of leakage source, geographic setting, weather factors and gas properties.

为此文章分析了影响有毒气体扩散的因素包括气体扩散模式、泄露源类型、地理环境、气象条件等；

Using modified PbO_2 anode and gas diffusion cathode to pretreat refractory organic wastewater provided a new way to treat that wastewater.

论文采用改性二氧化铅阳极和气体扩散阴极协同作用预处理难降解有机废水，为难降解有机废水的处理工艺提供了一种新的途径。

Dividing of gas diffusion system in stratigraphic section and its significance

地层剖面中天然气扩散系统划分及其研究意义

The Software Development on Hazardous Consequence Analysis System of Toxicant Leak Gas Diffusion into Atmosphere

有毒物质泄漏扩散危害后果分析系统软件的研制

At present, the main ways to separate isotope are gas diffusion, gas centrifugation, chemical exchanging, etc. Because of their high energy consumption, low efficiency and high pollution, these ways are difficult to meet the demand of higher purity and special isotope.

目前广泛采用的同位素分离方法主要有气体扩散法、气体离心法、化学交换法等，由于这部分方法能耗高、分离效率低且环境污染严重已经难以满足对高纯度、特殊同位素的需求。