我国新疆北部积雪中痕量元素的时空分布及污染评估
王鑫,王宁练,王俊杰,申保收

Spatial and temporal distribution of trace elements in the snow cover and pollution assessment in northern Xinjiang
Xin WANG,Ninglian WANG,Junjie WANG,Baoshou SHEN
图3 北疆各地积雪中痕量元素富集系数(虚线代表EFc=10)
Fig.3 Trace element enrichment factor in snow cover in northern Xinjiang (The dotted lines represent EFc=10)