用静态失重法研究了在标准配制水中Ni2+和Co2+复配（MoO2-4+Zn2+）对A20碳钢的缓蚀行为.结果表明，Langelier饱和指数（LSI）、MoO2-4浓度、Ni2+和Co2+浓度对缓蚀率的影响程度依次为：LSI>MoO2-4≈Co2+>LSI与MoO2-4的交互作用;Ni2+对提高缓蚀率几乎无贡献.
The corrosion inhibition of（MoO2-4+Zn2+）combined with Ni2+ and Co2+ on A20 carbon steel in artiticial waters is studied in this article.Relationship between inhibition efficiency with Langelier saturation index concentrations of MoO2-4,Co2+ and Ni2+ is studied by using uniform design.Relational expression is derived based on regression analysis and optimal experiment parameters are determined based on“program solving method”.Ni2+ have no contribution to improve inhibition efficiency.At last，It is found that the method of uniform design is simple,selective and efficient.
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