氢扩散
- 网络hydrogen diffusion
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MH电极中氢扩散系数的测定及其应用
The Measurement and Application of Hydrogen Diffusion Coefficient in MH Electrode
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结果表明:在同一温度下,氢扩散系数随着SOC的增大,呈指数关系衰减。
Results showed that hydrogen diffusion coefficient exponential decreased with the increase of SOC at the same temperature .
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在硫化氢环境中,氢扩散稳态电流随pH值的增加而降低,随着NH4+的质量浓度的增加而增加,且增加幅度随着pH值的增加而加大;
The steady state permeation current decreases with increasing pH value and increases with the concentration of aggressive NH ~ + _4 increasing .
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Ti3Al基合金中氢扩散动力学研究
The Kinetics of Hydrogen Diffusion in Ti_3 Al-based Alloy
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纳米晶与非晶Mm(NiCoMnAl)5结构及氢扩散系数研究
Determination of the hydrogen diffusion coefficient in nanocrystalline and non-crystalline Mm ( NiCoMnAl ) _5 by cyclic voltammetry
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合金凝固组织对氢扩散和MH电极性能的影响
The influence of solidified AB_5 type alloy microstructure on the diffusion of H atom and the properties of metal hydride electrodes
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MnS夹杂对钢中氢扩散行为的影响
Effect of MnS inclusions on hydrogen diffusion in steel
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通过恒电位极化法,测定了MH电极在不同荷电态(SOC)下的氢扩散系数。
Hydrogen diffusion coefficient of metal hydride electrode at different state of charge ( SOC ) was measured by the method of potentiostatic polarization .
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但BMS(AB2-10%Mg)电极的反应特性却是电荷传输控制和氢扩散控制的联合协同作用,表现有高倍率放电容量。
However , BMS ( AB2-10 % Mg ) electrode had a cooperative effect of the charge transportation control and the hydrogen-diffusion control and - showed HRD discharge capacity .
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该电极中电化学反应过程和氢扩散过程的活化能分别为28.1kJ·mol-1和19.9kJ·mol-1。
The activation energy for charge-transfer and for hydrogen-diffusion in the electrode are calculated to be 28.1 kJ · mol-1 and 19.9 kJ · mol-1 respectively .
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异种钢接头中氢扩散行为及冷裂纹特征
Hydrogen Diffusion Behaviour and Cold Cracking Characteristic in Dissimilar Steel Welded Joint
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金属内氢扩散过程的边界元分析
An Analysis of Hydrogen Diffusion Process in Metals by Boundary Element Technique
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防水型氢扩散电极的制备和性质
Preparation and Properties of the Semi-Hydrophobic Hydrogen Diffusion Electrode
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焊接残余应力下氢扩散的数值模拟
Numerical simulation of hydrogen diffusion under welding residual stress
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焊接接头氢扩散数值模拟
Numerical simulation of hydrogen diffusion in welded joint
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一种计算氢扩散系数的新方法
An improved method for calculating diffusivity of hydrogen
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电化学方法研究碳钢高温水体系中的氢扩散和渗透
Studies on the diffusion and permeation of hydrogen in carbon steel-water system at elevated temperature
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该合金的氢扩散活化能为17.6kJ/mol。
The activation energy for hydrogen diffusion in the alloy electrode is calculated to be 17.6 kJ / mol.
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介绍气体扩散阳极(氢扩散阳极)在湿法冶金上的节能降耗原理。
The saving-energy and reducing-consume principle for gas diffusion anode ( GDA ) used in hydrometallurgy is described .
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快淬恶化了合金的活化性能,降低了最大放电容量和氢扩散系数,但使循环稳定性增加。
Rapid quench deteriorate activation property , decreased discharge capacity and hydrogen diffusing coefficient . But cycle stability was improved .
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氢扩散是影响贮氢合金的低温放电性能的重要因素。
And the hydrogen diffusion was an important factor that influenced the discharge properties of hydrogen storage alloy at – 40 ℃ .
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与此同时,介绍了氢扩散阳极的结构并对它在冶金上的应用进行了展望。
The structure of hydrogen diffusion anode ( HDA ) and its future developments in metallurgy are introduced at the same time .
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结果表明,表观氢扩散系数的积分微分算法简便易行,适用范围广;
The results showed that the integral and differential algorithm of the apparent hydrogen diffusion coefficient is simple and direct and can be used over a wide range .
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把碳化钨和聚四氟乙烯乳液、碳黑相混和,加工成防水型氢扩散多孔电极。
The catalytic layer of the hydrogen diffusion electrode was fabricated by mixing the polytetrafluoroethylene emulsion with WC and pressed under pressure with hydrophobic layer to form the porous electrode .
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通过滚轮失重、电化学极化曲线测量、氢扩散、腐蚀疲劳、扫描电镜分析,对碳钢在含硫聚合物钻井液中的腐蚀及腐蚀疲劳行为进行了研究。
A study of corrosion and corrosion fatigue of carbon steel in drilling fluid with sulfide has been carried out using wheel corrosion test , electrochemical measurement , hydrogen permeation test , corrosion fatigue test and SEM analysis .
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恶劣天气使焊条受潮,坡口生锈,增加焊接金属中氢扩散机会,容易产生焊接缺陷,恶化焊接金属的机械性能。
The atrocious weather makes the electrodes affected with damp , pipe ends bevel rusting and increase the hydrogen diffusion chance in welding metal and it is easy to produce welding defects and deteriorate the mechanic property of welding metal .
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本文根据有限元分析法对焊接过程温度场、氢扩散建模等做了简要介绍,并通过实验的方式以求证实际焊接作业同焊接过程计算机模拟的结果的近似性。
Finite Element Analysis Based on the welding process temperature , hydrogen diffusion modeling to do a brief introduction , and through experimental approach to verify the actual welding operation with the welding process the results of computer simulation of the approximation .
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用旋转弯曲腐蚀疲劳试验研究碳钢在钻井液中的腐蚀疲劳行为,并用电化学滞后时间法研究钻井中碳钢的氢扩散行为。
The corrosion fatigue behavior of carbon steel in drilling fluids was investigated with a self-made rotary type bending corrosion fatigue testing apparatus under simulated drilling conditions . The hydrogen permeation into carbon steel in drilling fluids was studied by electrochemical method .
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根据费克第二定律提出了热浸镀铝钢双层体系氢扩散系数解法.根据上述结果,用电化学方法测定了氢的扩散行为;
A way of solving hydrogen diffusion equation in the double layer system of hot dip aluminum steel is put forward on the basis of the second Fick diffusion law . Hydrogen diffusion behavior in the system is studied with electrochemical method according to the results mentioned above .
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电沉积Ni-P非晶合金中氢的扩散
Diffusion of hydrogen in electro-deposited Ni-P AMORPHOUS ALLOYS