文章在介绍主成成分分析方法的原理基础上，利用SPSS统计软件对徐州市1996年至2000年工业固体废物产生种类及其量8个指标原始数据进行主成分分析，提取了占总方差81．126％能够反映原始数据的绝大部分信息的二个主成分：第一主成分和冶炼废渣、粉煤灰、炉渣密切相关，第二主成分和尾矿、煤矸石密切相关。结果表明徐州市电力、钢铁和煤矿开采行业工业固体废物产生种类及产生量变化趋势与徐州市经济发展方式相吻合，为徐州市工业固体废物污染源头控制提供决策指导。%Based on the theatrical basis of principal component analysis method, this paper studies industrial solid wastes generation types of Xuzhou city from 1996 to 2000 and original data of eight indexes by SPSS statistical software. A total 81. 126% of the variance which can reflect most information of original data was composed of two main parts. The first principal component was closely related to smelting slag, fly ash and slag, while the rest of principal component was related to tailings and coal gangue. The results show that the variation trend of Xuzhou＇s electric power, steel and coal mining industry solid waste types and production trends are in accordance with that of economic development in Xuzhou. This finding provides guidance for solid waste pollu- tion source control in Xuzhou.
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