This study aimed to show the importance and functionality of the tools of multivariate
statistics in the environmental area, and more specifically on 13 water collection points of the …

Laboratory analysis of soil texture is laborious and not environmentally friendly. After
sampling, another 56 h are required for the final report and the laboratory procedure …

A dataset of chemical properties of the elements is used herein to introduce principal
components analysis (PCA). The focus in this article is to verify the classification of the …

Resumo A Multivariate Image Analysis (MIA) laboratory activity was proposed estimating pH
of drinking water samples from its digital images after adding bromothymol blue as a pH …

This work presents a simple and non-expensive method based on digital image and pattern
recognition techniques for the classification of edible vegetable oils with respect to the type …

Beverage companies produce a large amount of wastewater in the cleaning step of
returnable glass bottles. This study aimed to investigate combined processes (coagulation …

Soil test for organic carbon content using the Walkley-Black standard method is a laborious
task that takes almost 5 working days to report the results. In order to improve lab analysis …

A computer-assisted soil texture analysis is presented using digitally scanned soil images of
177 soil samples collected from different regions of Brazil. Soil digital images were …

A multivariate image analysis (MIA)-based approach in conjunction with chemometrics is
proposed to evaluate the stability of nanofluids prepared by dispersing cobalt ferrite …

A reflectância da folha em determinados comprimentos de onda pode ser uma alternativa
para estimar a concentração de nitrogênio (N) na planta, devido à relação entre o teor de …