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Spatial–seasonal characteristics and critical impact factors of PM2.5 concentration in the Beijing–Tianjin–Hebei urban agglomeration
- Tianhang Huang,
- Yunjiang Yu,
- Yigang Wei,
- Huiwen Wang,
- Wenyang Huang,
- Xuchang Chen
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- Published: September 20, 2018
- https://doi.org/10.1371/journal.pone.0201364