大气环境腐蚀性因素的相关性

基金项目:

国家自然科学基金(No.59899144)

详细信息

Correlation Among Corrosive Factors of Atmospheric Environment

摘要: 通过相关性数据处理和模糊聚类分析,发现影响大气环境腐蚀性的21种环境因素在相关系数大于0.54的情况下,可明显地聚为5类.在此基础上,进一步通过对逐个因素的分类能力的特征评价,选取大气环境腐蚀性的主要因素(RH>80%时数,SO₂沉积速度,水溶性尘降,Cl-沉积速度,NO₂浓度),进而在特征空间中进行镀锌层样本的大气环境腐蚀性预测和考评,为今后实现我国大气环境腐蚀性等级评判提供依据.
- 大气腐蚀 /
- 聚类分析 /
- 特征评价 /
- 腐蚀性预测
Abstract: By considering the correlation of the data and the using the clustering technique of pattern recognition, the relationship among various corrosive factors of atmospheric environment has been analyzed. The results of the clustering show that the 21 atmospheric corrosive factors are clustered into five distinct clusters under the correlation coefficient value above 0.54.On the basis of the clustering analysis, the abilities of corrosive factors to distinguish atmospheric corrosivity are assessed, and the main factors are selected. In the generalized space of the main factors, the disposition of the nearest neighbors for the experimental samples are analyzed and the way to predict the atmospheric corrosivity for unknown samples is studied.
- atmospheric corrosion /
- clustering analysis /
- characteristic assessment /
- corrosion prediction