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Changes in source contributions to particle number concentrations after the COVID-19 outbreak: Insights from a dispersion normalized PMF
Factor analysis models use the covariance of measured variables to identify and apportion sources. These models, particularly positive matrix factorization (PMF), have been extensively used for analyzing particle number concentrations (PNCs) datasets. However, the variation of observed PNCs and part...
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| Publicat a: | Sci Total Environ |
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| Autors principals: | , , , , , , , , |
| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
Elsevier B.V.
2021
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7647391/ https://ncbi.nlm.nih.gov/pubmed/33189385 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.scitotenv.2020.143548 |
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