利用原子力显微镜、电子探针和电化学测试等技术，研究了Ca2+离子对碳钢表面生物膜的形成、微生物腐蚀程度以及杀菌剂杀菌效果的影响。结果表明：Ca2+离子促进了硫酸盐还原菌（SRB）的生长，增加了生物膜的致密性，降低了碳钢微生物腐蚀的敏感性。但同时也增加了SRB对杀菌剂的敏感性，给防治SRB带来更大困难。
In this paper, the effect of Ca2+ in the form of bilfilm on the surface of carbon steel, the corrosion extent of MIC and the efficacy of bactericide were investigated via AFM, EPMA and EIS. The result shows that Ca2+ can promote the growth of SRB, increase the compact of bilfil and decrease the sensitiveness of carbon metal to MIC. But at the same time Ca2+ also decreases the sensitiveness of SRB to biocide which brings many difficulties to the prevention and cure of SRB.
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