Articles with "piau state" as a keyword



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Soil spectral library of Piauí State using machine learning for laboratory analysis in Northeastern Brazil

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Published in 2021 at "Revista Brasileira De Ciencia Do Solo"

DOI: 10.36783/18069657rbcs20200115

Abstract: ABSTRACT Soil chemical and physical analyses are the major sources of data for agriculture. However, traditional soil analyses are time-consuming, not cost-efficient, and not environmentally friendly. An alternative to traditional soil analyses is soil spectroscopy.… read more here.

Keywords: spectral library; library piau; soil; soil spectral ... See more keywords
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Cesarean sections in Piauí State: trend and associated factors in the period 2000-2011, Brazil.

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Published in 2017 at "Epidemiologia e servicos de saude : revista do Sistema Unico de Saude do Brasil"

DOI: 10.5123/s1679-49742017000100009

Abstract: OBJECTIVE to analyze trends in cesarean sections proportion and associated factors in Piauí State, Brazil, from 2000 to 2011. METHODS this is a time series and cross-sectional study, with data of all institutional childbirths in… read more here.

Keywords: cesarean sections; sections proportion; 2000 2011; piau state ... See more keywords