[1] Chai Y H, Wang M X, Zhao X Q. Pollution and health risk assessment of heavy metals in surface dust from chemical industrial parks: A case study in Changzhou [J]. Environmental Engineering, 2019, 37(8): 190-194.
[2] Zhao L, Liang Y P, Chen Q, et al. Spatial distribution, contamination assessment, and sources of heavy metals in the urban green space soils of a city in North China [J]. Environmental Science, 2020, 41(12): 5552-5561.
[3] Xiang L, Li Y X, Shi J H, et al. Investigation of heavy metal and polycyclic aromatic hydrocarbons contamination in street dusts in urban Beijing [J]. Environmental Science, 2010, 31(1): 159-167.
[4] Li C, Li F Y, Zhang Y, et al. Spatial distribution characteristics of heavy metals in street dust in Shenyang City [J]. Ecology and Environment, 2008, 17(2): 560-564.
[5] Huang C H, Fang F M, Wang X, et al. Physicochemical property surface dust and it's adsorption effect on virus in Wuhu City [J]. Guangdong Trace Elements Science, 2010, 17(11): 39-45.
[6] Fang F M, Lin Y S, Wang H D, et al. Source, exposure characteristics and its environmental effect of heavy metals in urban surface dust [J]. Acta Ecologica Sinica, 2011, 31(23): 316-325.
[7] Liu Y, Zhang N N, Guo H Y, et al. Spatial and temporal characteristics of environmental elements evolution in oil field based on time series of remote sensing: A case of Karamay City [J]. Arid Land Geography, 2018, 41(3): 616-624.
[8] Yadav I C, Devi N L, Singh V K, et al. Spatial distribution, source analysis, and health risk assessment of heavy metals contamination in house dust and surface soil from four major cities of Nepal [J]. Chemosphere, 2019, 218: 1100-1113.
[9] Wang L J, Lu X W, Lei K. Analysis of content and environmental risk of heavy metal elements in street dust of Baoji City [J]. Chinese Journal of Soil Science, 2012, 43(1): 200-205.
[10] Gulbanu HINI, Mamattursun EZIZ, Wang W W, et al. Contamination and ecological risk of trace element in street dust of Urumqi [J]. Environmental Science & Technology, 2019, 42(9): 230-236.
[11] Hu G J, Chen S L, Wang G. Environmental monitoring methods for soil in China: Situation, problems and suggestions [J]. Environmental Monitoring in China, 2018, 34(2): 10-19.
[12] Dao X, Huo X Q, Zhang L L, et al. Over view of main soil element heavy metal monitoring technology and difficulties in China [J]. Environmental Monitoring in China, 2018, 34(5): 12-21.
[13] Hu M Q. Application of portable X-ray fluorescence spectrometer analyzer in field detection of heavy metal [J]. Environmental Science & Technology, 2015, 38(S2): 269-272.
[14] Li Y, Li L, Han X X, et al. Accuracy and quality control of soil measurement with portable X-fluorescence [J]. Environmental Science and Management, 2015, 40(9): 146-149.
[15] Han P, Wang J H, Lu A X, et al. Analysis of heavy metal in soil with portable X-ray fluorescence spectrometry [J]. Spectroscopy and Spectral Analysis, 2012, 32(3): 826-829.
[18] Qin J Q, Sun R L, Yu Z H, et al. Analysis on the emission trend and decomposition of industrial pollutants in Nanjing [J]. Pollution Control Technology, 2019, 32(04): 23-30.
[19] Mao X F, Liu J X, Qian Y Z. Technical review of fast detection of heavy metals in soil [J]. Scientia Agricultura Sinica, 2019, 52(24): 4555-4566.
[20] Chen J R, Ling Y C, Qian L L, et al. Heavy metal pollution and ecological risk assessment of dust from different functional areas of Nanjing City [J]. Science Technology and Engineering, 2016, 16(19): 121-125.
[21] Liao Q L, Liu C, Xu Y, et al. Geochemical baseline values of elements in soil of Jiangsu Province [J]. Geology in China, 2011, 38(5): 1363-1378.
[22] Yin J, Liu Y L. Spatial distribultion and pollution evaluation of heavy metal in Shanghai urban-suburb soil [J]. Modern Agricultural Sciences and Technology, 2010, (10): 251-253, 255.
[23] Chen Q L, Wang H, Yang B S, et al. Determination and pollution assessment of heavy metal in surface dust from Jinan City [J]. Journal of University of Jinan (Science and Technology), 2013, 27(4): 428-432.
[24] Li J, Teng Y G, Wu J, et al. Source apportionment of soil heavy metal in the middle and upper reaches of Le'an river based on PMF model and geostatistics [J]. Research of Environmental Sciences, 2019, 32(6): 984-992.
[25] Yang X L, Ma Y F. Analysis of heavy metals sources in the soil of suburb area in Jinan based on PMF model [J]. Journal of Hebei University of Environmental Engineering, 2020, 30(6): 44-47.
[26] Li X J, Shi X W, Ma Y, et al. Characterization, seasonal variation, and source apportionments of particulate amines (PM2.5) in northern suburb of Nanjing [J]. Environmental Science, 2020, 41(2): 537-553.
[27] Lv J S, Liu Y. An integrated approach to identify quantitative sources and hazardous areas of heavy metals in soils [J]. Science of the Total Environment, 2019, 646: 19-28.
[28] Liu Y H. Correlation Between Black Carbon and Heavy Metals in Xuzhou Urban Topsoil and Their Magnetic Proxies [D]. Xuzhou: China University of Mining and Technology, 2020.
[29] Ni L J, Zhang G L, Yang J L, et al. Effects of atmospheric dust on soils in industrial zones [J]. Acta Pedologica Sinica, 2007, 44(4): 637-642.
[30] Li S Q, Yang J L, Ruan X L, et al. Atmospheric deposition of heavy metals and their impacts on soil environment in typical urban areas of Nanjing [J]. China Environmental Science, 2014, 34(1): 22-29.
[31] Begum B A, Biswas S K, Hopke P K. Key issues in controlling air pollutants in Dhaka, Bangladesh [J]. Atmospheric Environment, 2011, 45(40): 7705-7713.
[32] Pant P, Harrison R M. Critical review of receptor modelling for particulate matter: A case study of India [J]. Atmospheric Environment, 2012, 49: 1-12.
[33] Hjortenkrans D, Bergbck B, Hggerud A. New metal emission patterns in road traffic environments [J]. Environmental Monitoring and Assessment, 2006, 117(1-3): 85-98.
[34] Miguel E, Llamas J F, Chacón E, et al. Origin and patterns of distribution of trace elements in street dust: Unleaded petrol and urban lead [J]. Atmospheric Environment, 1997, 31(17): 2733-2740.