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中文摘要：
依据铝合金在海洋大气中的腐蚀机理,对沿海地区空气中气溶胶的产生、转移、沉积进行了研究,并对影响因素进行了分析。通过研究各影响参数之间的函数关系,建立了由具有直接物理意义的参数（如风速、风向、湿度、地理环境等）联合表示的地理腐蚀因子。将地理腐蚀因子与不同试验点实验试件的腐蚀质量损失进行对比研究,良好的对应关系证明了用地理腐蚀因子预测大气腐蚀的可行性。
英文摘要：
According to the aluminum alloy corrosion mechanism in marine atmosphere,the production,transportation,depositing of marine aerosol in the air of coastal area were studied,and the influencing factors were analyzed.Resulting from the functional relation between parameters,the Geographic Corrosivity Index was modeled using geographic information and various average climate data.The relationship between the GCI and weight loss data of testing pieces proved that application of GCI in predicting atmospheric corrosion is feasibility.
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