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Published in 2021 at "Atmosphere"
DOI: 10.3390/atmos12060788
Abstract: In the context of the outbreak of coronavirus disease 2019 (COVID-19), strict lockdown policies were implemented to control nonessential human activities in Xi’an, northwest China, which greatly limited the spread of the pandemic and affected…
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Keywords:
northwest china;
variations covid;
air pollutant;
air ... See more keywords