铜绿假单胞菌对2205双相不锈钢腐蚀行为的影响
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周秩仁,张欢欢,刘玉芝,赵颖
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Microbiologically Influenced Corrosion of 2205 Duplex Stainless Steel by Marine Pseudomonas aeruginosa
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Zhiren ZHOU,Huanhuan ZHANG,Yuzhi LIU,Ying ZHAO
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| 表2 2205 DSS在无菌溶液和有菌溶液中的阻抗谱的拟合参数 |
| Table 2 Fitting parameters of the impedance spectra of 2205 DSS in sterile medium and in P. aeruginosa inoculated medium |
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| Time /d | Rs /Ω·cm2 | QCPE×10?5 /Ω?1·Sn·cm?2 | n1 | Rb /Ω·cm2 | Qct×10?5 /Ω?1·Sn·cm?2 | n2 | Rct /Ω·cm2 |
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| Sterile | 0 | 6.195 | 5.580 | 0.8676 | | | | 4.790×105 | | 0.5 | 6.036 | 9.949 | 0.8350 | | | | 2.858×105 | | 1 | 6.154 | 9.364 | 0.8301 | | | | 4.324×104 | | 3 | 6.122 | 7.975 | 0.8385 | | | | 2.523×104 | | 7 | 6.052 | 7.942 | 0.8220 | | | | 2.463×104 | | P. aeruginosa | 0 | 6.546 | 2.797 | 0.9180 | 8.543 | 4.520 | 0.8303 | 2.681×105 | | 0.5 | 6.252 | 3.093 | 0.9021 | 7.535 | 7.859 | 0.7899 | 9.761×104 | | 1 | 6.420 | 1.778 | 0.9515 | 7.231 | 7.427 | 0.8008 | 3.248×104 | | 3 | 6.287 | 7.318 | 0.8195 | 5.052 | 1.054 | 0.9266 | 2.478×104 | | 7 | 6.153 | 4.239 | 0.8496 | 9.767 | 3.409 | 0.9050 | 1.715×104 |
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