Results 101 to 110 of about 910,572 (245)
Estruturas de governança e empreendedorismo coletivo: o caso dos doutores da alegria
, 2006 Este artigo pertence ao campo dos estudos sobre governanca, em especial em organizacoes sem fins lucrativos. O conceito de governanca e abordado em multiplas areas do conhecimento e segundo varias perspectivas teoricas.
Andrea Leite Rodrigues +1 more
semanticscholar +1 more source
Physiological roles of lignins – tuning cell wall hygroscopy and biomechanics
New Phytologist, Volume 248, Issue 6, Page 2674-2706, December 2025.Summary Lignins constitute the second most abundant carbon‐storing biopolymers in the biosphere. These phenolic polymers accumulate in different concentrations, compositions, and localisations within and between cell wall layers and cell types. Lignins were acquired during plant terrestrialisation 450 million years ago, and the diversification of their
Edouard Pesquet +3 more
wiley +1 more source
Análise de estruturas antigas e novas em alvenaria: possibilidades e aplicações [PDF]
, 2010 A avaliação do desempenho sísmico de estruturas representa ainda um desafio complexo. A presente comunicação apresenta uma revisão dos métodos de análise sísmica de estruturas de alvenaria, com e sem diafragmas rígidos.
Lourenço, Paulo B. +3 more
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Journal of Raman Spectroscopy, Volume 56, Issue 11, Page 1203-1214, November 2025.Palynofacies assemblages from the onshore Potiguar Basin display a wide thermal maturity range, with vitrinite reflectance (%Ro) values of 0.46–2.72 measured from nine samples at depths of 1059–4443 m. A strong correlation exists between %Ro and Raman parameters, specifically the G‐band's full width at half maximum.
Gabriel A. Barberes +14 more
wiley +1 more source
An alternative technique to the demolition of a prestressed concrete box-girder bridge: A case study
Case Studies in Construction Materials, 2017 This is a case study in which the partial collapse of a prestressed concrete box-girder bridge in Brazil happened only nine days after removing the supporting scaffolding.
S.S.R. Pereira +2 more
doaj +1 more source
Dimensionamento de estruturas de alvenaria sujeita a acções sísmicas [PDF]
, 2007 Com o presente trabalho apresentam-se aspectos relacionados com o dimensionamento de estruturas de alvenaria sujeitas a acções sísmicas. São referidas exigências materiais e de cálculo de estruturas de alvenaria especificadas no Eurocódigo 6 e no ...
Gouveia, João P. +2 more
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Resonance Raman Effect in Copper Carbonate Minerals Azurite and Malachite
Journal of Raman Spectroscopy, Volume 56, Issue 11, Page 1154-1161, November 2025.This study employs Raman spectroscopy to examine the vibrational characteristics of azurite and malachite, specifically focusing on the stretching modes of the carbonate anion present in their structures. The results reveal a potential resonance Raman effect, characterized by an unexpected enhancement of the asymmetric stretching mode compared to the ...
Julliana F. Alves +2 more
wiley +1 more source
A methodological approach to evaluate elderly-robot interactions [PDF]
, 2018 The relevance in the study of interaction between elderly and robots may depend on the choice of activities that robots can be developed to perform and the assessment of their impact and importance for older people.
Gonçalves, Paulo +4 more
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Estruturas e características de veículos híbridos e eléctricos [PDF]
, 2010 Nas últimas décadas tem-se assistido a um forte desenvolvimento dos veículos eléctricos, sobretudo das soluções híbridas, como resposta aos impactos ambientais e económicos dos combustíveis fósseis.
Melo, Pedro Miguel Azevedo de Sousa
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Journal of Animal Ecology, Volume 94, Issue 11, Page 2205-2219, November 2025.This study reveals how forest–grassland edges act as ecological barriers that shape tri‐trophic interaction networks. Using multilayer network theory, it uncovers how species influence and biodiversity patterns emerge across spatial layers, offering novel insights into edge‐driven community assembly and conservation in fire‐prone mosaics.
Henrique Negrello‐Oliveira +2 more
wiley +1 more source