Exact and Earth Sciences |
Recent Submissions
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Practice of exclusive breastfeeding and its associated factors in a suburban area in Angola : a cross-sectional study
(2018) [Journal article]BACKGROUND: Exclusive breastfeeding for six months is one of the measures with highest impact on prevention of child deaths. The determinants of breastfeeding practices are complex and differ between populations. This study ... -
Malnutrition and its associated factors : a cross-sectional study with children under 2 years in a suburban area in Angola
(2018) [Journal article]Background: The prevalence of child malnutrition in Angola is still very high, and little is known about its associated factors. The aim of this study was to identify these factors in children under 2 years in a suburban ... -
Contributos da componente curricular História da Matemática na formação inicial do professor de matemática
(2019) [Journal article]O presente texto organiza-se a partir de uma pesquisa realizada com professores de matemática que cursaram durante a formação inicial a componente curricular História da Matemática. A pesquisa teve por objetivos investigar ... -
Long-term spatiotemporal variation in the juvenile fish assemblage of the Tramandaí River Estuary (29°S) and Adjacent Coast in Southern Brazil
(2019) [Journal article]We evaluated connectivity, resiliency, and spatiotemporal variation in fish associations between the Tramandal River estuary (TRE) and the adjacent coast (AC). This was based on intermittent and seasonal data covering a ... -
Tendências do ensino e aprendizagem de forças intermoleculares a partir da análise de publicações em periódicos nacionais e internacionais
(2018) [Journal article]O objetivo deste estudo foi identificar as principais tendências do ensino e aprendizagem do conteúdo de forças intermoleculares por meio de uma pesquisa bibliográfica em artigos publicados na área de ensino. Foi realizado ... -
Outliers : multicolour photometry guiding the search for evolved binary systems in the globular cluster 47Tucanae
(2018) [Journal article]We use Hubble Space Telescope multicolour photometry of the globular cluster 47 Tucanae to uncover a population of 24 objects with no previous classification that are outliers from the single-star model tracks in the ... -
Star–galaxy classification in the Dark Energy Survey Y1 data set
(2018) [Journal article]We perform a comparison of different approaches to star–galaxy classification using the broadband photometric data from Year 1 of the Dark Energy Survey. This is done by performing a wide range of tests with and without ... -
Design and evaluation of a game for mobile platforms about periodic properties of the chemical elements
(2018) [Journal article]This paper presents the results of two studies on Xenubi, a computer/mobile game about periodic properties of the chemical elements. These studies were aimed at evaluating Xenubi in 3 dimensions: interface usability, user ... -
On the evolutionary status and pulsations of the recently discovered blue large-amplitude pulsators (BLAPs)
(2018) [Journal article]The blue large-amplitude pulsators (BLAPs) constitute a new class of pulsating stars. They are hot stars with effective temperatures of ~30 000K and surface gravities of log g ~ 4.9, that pulsate with periods in the range ... -
Evaluation of the influence of surface finishing on the corrosion resistance of HVOF applied inconel 625 coatings on steel
(2018) [Journal article]In this work, the corrosion resistance of Inconel 625 coatings applied to AISI 4140 steel plates was evaluated. Coatings were produced by High Velocity Oxygen Fuel (HVOF) by use of two different equipment which use either ...
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