气体扩散

用于气体扩散法浓缩的辅助系统、设备、部件

Auxiliary systems , equipment , components for use in gaseous diffusion enrichment

细水雾抑制气体扩散火焰的机理研究

Study on Extinguishing Gaseous Diffusion Flame by Water Mist

采用气体扩散电极降解酸性红B研究

Study on degradation of acid red B using gas diffusion electrode

Pt／C气体扩散电极制备方法的探索

Study on the Manufacture of Pt / C Gas-diffusion Electrodes

Matlab在危险气体扩散模拟分析中的应用

Application of Matlab in Dangerous Air Proliferation Simulate and Analysis

高温时还发生碳纤维和CO2反应，受气体扩散控制，并分析了碳纤维的氧化机理，建立了氧化动力学模型。

The oxidation reaction mechanism was analyzed and oxidation reaction kinetic model was founded .

电化学CO2浓缩器氧气体扩散电极Pt/C粉的研制

Investigation and Preparation of Pt / C Powders in Oxygen Gas Diffusion Electrode for Electrochemical Depolarized CO_2 Concentrator

用压汞分析法和SEM研究了气体扩散层的孔结构及形貌。

The pore structure and morphology of gas diffusion layer were studied by mercury intrusion method and SEM .

CFB提升段中气体扩散规律的试验研究

Experimental Research on Gas Mixing in a CFB Riser

CaO脱硫化学反应速率与气体扩散速率对比

Comparison of kinetic reaction rate and diffusion rate during dry FGD reaction with CaO particles

PEMFC用气体扩散层中微孔层的干法制备

Dry - layer preparation of micro-porous layer for PEMFC

PEMFC气体扩散场数值模拟

Numerical modeling of gas field of PEMFC

研究了不同含量PTFE对氧电极气体扩散层性能的影响；

The effects of PTFE content on the performance of the gas diffusion layer of oxygen electrode were studied .

气体扩散对ZrO2氧传感器性能的影响及模拟

Model for influence of slow gas diffusion in electrode region on ZrO_2 oxygen sensor

将掺Ni二氧化铅阳极和气体扩散阴极协同作用应用于预处理难降解的酸性嫩黄2G废水、印染废水和焦化废水中，使电解过程中的两极氧化同时进行。

Applying Ni-doped PbO_2 anode and gas diffusion cathode work together to pretreat acidic light yellow , dyeing and coking wastewater .

阴极气体扩散对ZrO2电池性能的影响

Influence of gas diffusion in cathode on the property of the fuel cell with ZrO_2 electrolyte

基于MCMC方法的城区有毒气体扩散源反演

Source inversion of toxic gas dispersion in urban areas based on the MCMC method

气体扩散电极在BEF及TiO2/Ti光电催化过程中的应用研究

Study on Application of Gas Diffusion Electrode in the BEF and TiO_2 / Ti Photoelectrocatalysis

为研究瓦斯燃烧器的火焰特性，采用kε湍流模型、三气体扩散燃烧模型及综合辐射模型，对旋流稳焰瓦斯燃烧器湍流扩散火焰进行了数值模拟。

The k - ε turbulent model , three-gas mixing combustion model and composite radiation model were applied to numerical simulation of the turbulent diffusion flame in a gas burner with spinning air .

例如气体扩散电极产H2O2效率不高，最佳H2O2产率范围窄，在环境污染物的降解研究中没有充分探讨。

For example , the current efficiency of H_2O_2 production on gas diffusion electrode is not high , gas diffusion electrode is not sufficiently discussed in degrading organics in the environment .

PAFC空气电极气体扩散层数学模型与数值分析

Numerical Analysis of the Gas Diffusion Layer Model of PAFC Air Electrode

介绍气体扩散模拟软件的发展概况，阐述FLUENT气体扩散模拟软件概况和数值模拟两方面内容。

Describe the development survey of gas diffusion model software , expatiates two aspects about the gas diffusion simulation software of the FLUENT and the numerical simulation .

负载有钴大环配合物Nafion膜气体扩散电极对氧的催化还原

Studies on Catalytic Reduction of Dioxygen at Gas Diffusion Electrode of Nafion Film Coated with Macrocyclic Complexes of Cobalt

在质子交换膜（PEM：ProtonExchangeMembrane）燃料电池中，气体扩散层（GDL：GasDiffusionLayer）是电极的重要组成部分，其结构和性能参数对电池的综合性能有重要的影响。

Gas diffusion layer ( GDL ) is one of the most important electrode components in proton exchange membrane fuel cell ( PEMFC ) . Its structure and material parameters influence the overall performance of the PEM fuel cell significantly .

同时也选择出氢气体扩散电极催化剂（贵金属）的最佳用量为1.9mg／cm￣2。

Furthermore , the optimum loading ( 1.9mg / cm2 ) of noble metal on Hydrogen diffusion electrode is selected .

结果表明：森林土壤消耗CH4的速率受气体扩散的限制，对土壤水分状况和温度变化敏感。

It was believed that CH4 consumption rate by forest soil was limited by diffusion and sensitive to changes in water status and temperature of soil .

采用Pt/C气体扩散电极（GDE）为阴极，对酸性红B溶液进行单室电解和双室电解。

Acid red B ( ARB ) solution was electrolyzed in a single-chamber cell and a two-chamber cell using Pt / C gas diffusion electrode ( GDE ) as cathode .

GDL的气体扩散经适当简化后得到解析表达式，以便于计算。

Through reasonable simplification , the analytical expression of gas diffusion in GDL is derived which is convenient for calculation .

对基于干法MPL和湿法MPL的气体扩散层（GDL）分别进行了表征，包括扫描电子显微镜法（SEM）、透气率以及表面接触角。

The surface morphology , hydrophobic characteristic of the surface and gas permeability of the GDLs with dry-layer MPL and wet-layer MPL were characterized .

随后根据多孔介质的UFT（UnsaturatedFlowTheory）模型，导出了一维的梯度扩散层液态水相饱和度分布方程、液态水流量方程、液态水残留量方程、气体扩散因子方程。

Thereafter , according to the unsaturated flow theory ( UFT ) model , the equations are derived of one dimensional liquid saturation , liquid flux , liquid remaining in GDL , gas diffusion coefficient for gradient GDL .