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首页> 外文期刊>International Journal of Electrochemical Science >Influence of Pseudomonas aeruginosa and Sulfate-reducing bacteria composite on the corrosion behavior of brass
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Influence of Pseudomonas aeruginosa and Sulfate-reducing bacteria composite on the corrosion behavior of brass

机译：铜绿假单胞菌和硫酸盐还原菌复合物对黄铜腐蚀行为的影响

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In this paper, electrochemical methods such as open circuit potential(OCP) and electrochemicalimpedance spectroscopy(EIS) were used to assess the corrosion behavior of brass in sterile water andmedia containing Pseudomonas Aeruginosa, sulfate-reducing bacteria and their bacteria composite,respectively. The results showed that corrosion occurred to some extent in all the media. The corrosionrate of brass in the Pseudomonas Aeruginosa system is lower than that in the sulfate-reducing bacteriasystem. Especially in single Pseudomonas Aeruginosa system, the open circuit potential and totalimpedance value were comparatively higher than those in the other systems. In addition, the accelerationof corrosion in the composite system began from the 3rd day, later than that in the single sulfate-reducingbacteria system, indicating that the presence of Pseudomonas Aeruginosa might inhibit the activity ofsulfate-reducing bacteria.
机译：本文采用开路电势（OCP）和电化学阻抗谱（EIS）等电化学方法分别评估了黄铜在无菌水中和含铜绿假单胞菌，硫酸盐还原菌及其细菌复合物的培养基中的腐蚀行为。结果表明，所有介质都发生了一定程度的腐蚀。铜绿假单胞菌系统中黄铜的腐蚀速率低于硫酸盐还原细菌系统中的腐蚀速率。特别是在单个铜绿假单胞菌系统中，开路电势和总阻抗值相对高于其他系统。此外，复合系统的腐蚀加速从第3天开始，比单个硫酸盐还原细菌系统的腐蚀加速晚，这表明铜绿假单胞菌的存在可能会抑制硫酸盐还原细菌的活性。

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