Results 41 to 50 of about 55,161 (166)

O ambiente epistemológico e a credibildiade da pesquisa no campo da educação: questões em debate

open access: yesRevista Espaço Acadêmico, 2016
Este artigo de cunho teórico traz em seu contexto algumas reflexões sobre o processo de transformação da ciência, na perspectiva da Filosofia da Ciência e os respectivos paradigmas pelos quais deram e continuam dando suporte ao campo científico.
Raimunda Maria Cunha Ribeiro
doaj  

Assessing terrestrial vertebrates as potential biodiversity indicators of ecosystem services in multifunctional landscapes

open access: yesPeople and Nature, EarlyView.
Abstract Combining ecosystem services and biodiversity conservation is critical for evaluating the benefits of nature to society. However, research gaps have led to a conservation dilemma in determining which biodiversity groups should be selected in ecosystem service assessments.
Felipe S. Campos   +6 more
wiley   +1 more source

Attitudes of students and health professionals on scientific research

open access: yesINFAD, 2014
Introduction: Sets up “attitude” as a disposition or a preparedness to act in a way anteposition the other in a positive or negative. Purpose: It is important to identify and analyze the diverse attitudes that are expressed by students and health ...
António Saraiva   +2 more
doaj   +1 more source

Uma criança com hipertensão pulmonar: Da investigação etiológica à orientação terapêutica

open access: yesRevista Portuguesa de Pneumologia, 2005
Resumo: A hipertensão pulmonar (HP) constitui uma entidade rara mas devastadora, com mau prognóstico e elevada mortalidade. Para além da forma idiopática e familiar, a HP pode associarse a uma grande variedade de patologias, mas constitui um diagnóstico raro em idade pediátrica.Os autores apresentam o caso de uma criança de 4 anos, admitida no ...
Micaela Guardiano   +7 more
openaire   +1 more source

PLA/Kahili Ginger Fiber Biocomposites Processed by Fused Filament Fabrication: Physical and Mechanical Characterization

open access: yesPolymer Composites, EarlyView.
Processing route of PLA/KG composites and the resulting mechanical properties compared to PLA. ABSTRACT This study explores the potential of Kahili ginger (KG) fibers as reinforcement/filler in poly(lactic acid) (PLA) matrix composites for 3D printing applications.
Bruno Lourenço   +5 more
wiley   +1 more source

Mapping arboretum research: Trends, gaps, and opportunities for biodiversity conservation, society, and climate resilience

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Arboreta bridge people and nature while conserving tree biodiversity, supporting climate resilience, and advancing environmental education. This study maps over a century of available and indexed arboretum research, uncovering trends, knowledge gaps, and opportunities for collaboration.
Catarina Patoilo Teixeira   +1 more
wiley   +1 more source

Ansiedade e depressão na DPOC: O conhecimento actual, questões não respondidas e investigação necessária**Chest 2008; 134:43s-56s

open access: yesRevista Portuguesa de Pneumologia, 2009
Resumo: Aproximadamente 60 milhões de pessoas nos Estados Unidos vivem com uma de quatro doenças crónicas: doença cardíaca, diabetes mellitus, doença respiratória crónica e depressão major. A DPOC está associada a múltiplas comorbilidades, sendo a ansiedade e a de-pressão muito comuns nesta doença, possuindo um impacto significativo nos ...
openaire   +2 more sources

Stability studies of cynaropicrin–major sesquiterpene lactone of Cynara cardunculus leaves

open access: yesPest Management Science, EarlyView.
This study investigated its stability under high temperature and pH, mimicking agronomic extremes and under soil context. Bioassays demonstrated that degradation products exhibited higher phytotoxic activity than cynaropicrin and deacylcynaropicrin. This is the first study about cynaropicrin's stability, characterizing degradation products, and their ...
Daniela Rosa   +6 more
wiley   +1 more source

Investigação da variabilidade genética do rebanho Mantiqueira através de polimorfismos protéicos II, avaliação da composição racial

open access: yesBoletim de Indústria Animal, 2013
No presente estudo, foi estimada a composição racial do rebanho Mantiqueira, pertencente à Estação Experimental de Zootecnia de Pindamonhangaba, empregando-se os programas MISTURA2 e MISTURA3, contidos no GENIOC, que adota o método de Verossimilhança Máxima.
Maria Aparecida Cassiano Lara   +1 more
openaire   +7 more sources

Microphysics and interactions of aerosols and fog on the northwest Atlantic Ocean

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
In the Grand Banks, aerosol size distributions were bimodal, aerosol and fog droplet concentrations were low, and fogs were shorter (<12 hours). In contrast, near Sable Island, aerosol size distributions had a single broad mode that was likely influenced by continental emissions, corresponding with higher aerosol and droplet concentrations as well as ...
Gianina Giacosa   +11 more
wiley   +1 more source

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