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2 "理化检验化学分册" 0.0 0.0 0.0 x_fact 7.160194 y_fact 15.230583
3 "环境科学学报" 0.0 0.0 0.0 x_fact 7.160194 y_fact 17.233010
4 "环境科学" 0.0 0.0 0.0 x_fact 14.805825 y_fact 21.480583
5 "环境污染与防治" 0.0 0.0 0.0 x_fact 3.519417 y_fact 4.247573
6 "环境污染治理技术与设备" 0.0 0.0 0.0 x_fact 6.492718 y_fact 9.830097
7 "环境科学与技术" 0.0 0.0 0.0 x_fact 1.941748 y_fact 4.550971
8 "中国环境监测" 0.0 0.0 0.0 x_fact 3.822816 y_fact 4.611650
9 "环境与健康杂志" 0.0 0.0 0.0 x_fact 2.609223 y_fact 5.643204
*Matrix 
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