Estimation of oxygen effective diffusion coefficient in a non-steady-state biofilm based on response time
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DOI: 10.1007/s11356-018-1227-8
Abstract: AbstractIn wastewater treatment, oxygen effective diffusion coefficient (Deff) is a key parameter in the study of oxygen diffusion-reaction process and mechanism in biofilms. Almost all the reported methods for estimating the Deff rely on other… read more here.
Keywords: oxygen; deff; diffusion; diffusion coefficient ... See more keywords
Comparison of sampling designs from the two editions of the Brazilian National Health Survey, 2013 and 2019.
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DOI: 10.1590/0102-311x00164321
Abstract: Our objective is to describe the differences in the sampling plans of the two editions of the Brazilian National Health Survey (PNS 2013 and 2019) and to evaluate how the changes affected the coefficient of… read more here.
Keywords: health; 2013 2019; editions brazilian; survey ... See more keywords