机译:通过优化筛选近红外光谱带快速估算土壤重金属镍含量
State Key Laboratory of Environmental Geochemistry Institute of Geochemistry Chinese Academy of Sciences 99 Lincheng West Road Guiyang 550081 Guizhou Province People's Republic of China;
College of Resource and Environment Guizhou University Guiyang 550000 China;