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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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Detalhes bibliográficos
Publicado no:Sci Total Environ
Main Authors: Dai, Qili, Ding, Jing, Song, Congbo, Liu, Baoshuang, Bi, Xiaohui, Wu, Jianhui, Zhang, Yufen, Feng, Yinchang, Hopke, Philip K.
Formato: Artigo
Idioma:Inglês
Publicado em: Elsevier B.V. 2021
Assuntos:
Acesso em linha: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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