… The average position for each species (p i ) on the pollution gradient defined in the ordination
space is measured as:(14) p i = ∑ j = 1 ti g i j ti where ti is the number of samples to be …

Presented within is a critical overview of the effect of sulfates on cement hydration, properties,
and optimum sulfate content in Portland cement. Calcium sulfate is used in Portland …

The fragmentation of plastic materials into nanoparticles of less than 1000 nm (secondary
nanoplastics) and their possible accumulation in the environment is a recent matter of concern…

INTRODUCTION When faced with the outbreak of a novel epidemic such as coronavirus
disease 2019 (COVID-19), rapid response measures are required by individuals, as well as by …

… = n , m ( A ( i ) ∪ k , j B ( i ) k , j ) where A … k,j with Otsu, NDI k,j with Otsu, or ExG − ExR k,j ,
B is a reference set of manually separated green plant pixels (i = 255) or background (i = 0), k, j …

Consumers and legislation have pushed companies to re-design their logistic networks in
order to mitigate negative environmental impacts. The objective in the design of logistic …

Transmission of Zika virus (ZIKV) in the Americas was first confirmed in May 2015 in northeast
Brazil 1 . Brazil has had the highest number of reported ZIKV cases worldwide (more than …

A organização de uma diretriz clínica é tarefa complexa, que necessariamente deve envolver
planejamento prévio, coordenação apropriada, revisão aprofundada da literatura científica…

Kidney failure is frequently observed during and after COVID-19, but it remains elusive whether
this is a direct effect of the virus. Here, we report that SARS-CoV-2 directly infects kidney …

Microplastic ingestion has been reported for several marine species, but the level of contamination
in transitional systems and associated biota is less known. The aim of this study was …