利用交流阻抗测试技术、极化曲线、扫描电镜及表面能谱、微生物分析等方法，研究了在土壤水分的自然蒸发过程中，Q235钢在接菌及灭菌土壤中腐蚀行为.40 d的试验结果表明，随着土壤中水分的自然蒸发，土壤中含氧量随土壤湿度降低而增大，土壤中硫酸盐还原菌逐渐减少，接菌及灭菌土壤中Q235钢的腐蚀速率逐渐增大，其中在接菌土壤中的腐蚀速率增幅更大.
The effects of sulfate reducing bacterial (SRB) on corrosion of Q235 steel during the evaporation of water in soils have been studied by using bacterial analyses,polarization curves,electrochemical impedance spectroscopy(EIS),scanning electron microscopy (SEM) and EDS. The results showed that the number of SRB gradually decreased with the naturally evaporating of water in soil,and the corrosion rate of Q235 steel gradually increases along with the evaporation of water in soils,and the increasing of corrosion rate in soil with SRB was more severe than that in soil without SRB.
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