哈密市典型煤矿区重金属污染特征、生态风险评价及来源解析

李泽龙, 汪亘, 王永莉, 魏志福, 张婷, 马雪云, 张小梅, 陈建珍, 吴保祥, 吴应琴, 秦小光

Pollution characteristics，ecological risk assessment，and source analysis of heavy metals in the coal mining areas of Hami， Xinjiang， China

Zelong Li, Gen Wang, Yongli Wang, Zhifu Wei, Ting Zhang, Xueyun Ma, Xiaomei Zhang, Jianzhen Chen, Baoxiang Wu, Yingqin Wu, Xiaoguang Qin

表8 提取主成分矩阵及解释方差

Table 8 Extract component matrix and explained variance

因子 载荷 提取主成分矩阵 初试 特征值 方差贡献 率/% 累积方差 贡献率/% Co Cr Ni Mn Cu Pb As Fe Zn PC1 0.905 0.806 0.783 0.770 0.755 0.670 0.554 0.589 4.557 50.629 50.629 PC2 -0.676 0.663 1.544 17.159 67.788