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Pedro A. R. Fernandes, Bruna L. Antunes, Jianing Liu, Sónia S. Ferreira, Filipa Fernandes, Vitor D. Alves, Adriana Silva, Cláudia Nunes, Elisabete Coelho and Manuel A. Coimbra
This work can be used for the development of sweet-tasting syrups rich in fructooligosaccharides by taking advantage of yacon agri-food by-products.
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Nuno Santos, Miguel Chaves, Paulo Gamboa, Armando Cordeiro, Nelson Santos and Sónia Ferreira Pinto
This paper focuses on the study of the high frequency transformer incorporated in solid- state transformers, specifically on the development of the steps that enable the design of an optimized high frequency transformer and its equivalent model based on ...
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Jordana Alves Ferreira, Llorenç Baronat Esparraguera, Sonia Claudia Nascimento Queiroz and Carla Beatriz Grespan Bottoli
Vegetative endotherapy has shown satisfactory results in replacing conventional techniques for crop production material applications, such as spraying or via soil, in trees of perennial species. This review presents an overview of concepts and classifica...
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Sónia Claúdia Ribeiro, Rúben Fernandes, Felismina T. C. Moreira and Maria Goreti Ferreira Sales
This paper presents a potentiometric biosensor for the detection of amyloid ß-42 (Aß-42) in point-of-care analysis. This approach is based on the molecular imprint polymer (MIP) technique, which uses covalently immobilised Aß-42 to create specific detect...
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Ana Rita Reis, João P. S. Ferreira, Ana Guerra, António Fernandes, Sónia Torres-Costa, Manuel Falcão and Marco P. L. Parente
The epiretinal membrane is a thin sheet of fibrous tissue that can form over the macular area of the retina, and may result in the loss of visual acuity or metamorphopsia, due to superficial retinal folds. A vitrectomy surgery, the current treatment proc...
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Sonia Corina Hess,Rubens Onofre Nodari,Monica Lopes-Ferreira
O artigo contém uma análise das autorizações para a comercialização e o consumo de agrotóxicos no país na última década, bem como os seus efeitos na saúde humana e no meio ambiente. No período entre 2010 e 2018, a quantidade de agrotóxicos comercializado...
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Catarina Félix de Oliveira, Sónia Rolland Sobral, Maria João Ferreira and Fernando Moreira
Retention and dropout of higher education students is a subject that must be analysed carefully. Learning analytics can be used to help prevent failure cases. The purpose of this paper is to analyse the scientific production in this area in higher educat...
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Alexandre Bento, Guilherme Paraíso, Pedro Costa, Lijun Zhang, Thomas Geury, Sónia Ferreira Pinto and José Fernando Silva
Matrix converters have been extensively investigated in academia over the last 3 decades. Several review works targeting matrix converter topologies, commutation strategies, modulation and control techniques have been published. However, to the best of t...
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Mariana Fernandes, Vânia Freitas, Sónia Pereira, Rita Leones, Maria Manuela Silva, Luís D. Carlos, Elvira Fortunato, Rute A. S. Ferreira, Rosa Rego and Verónica De Zea Bermudez
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Joyce Frade Machado,José Carlos Jesus Lopes,Danielle Bertolino de Macedo Verão,Maira Sônia Camacho,Talita Guimarães de Oliveira Ferreira
Pág. 999 - 1018
As políticas de gestão de pessoas no serviço público podem ser consideradas matérias essencialmente abordadas durante todo o período histórico da Administração Pública. Além disso, há de se considerar que o Poder Executivo, ao promover suas ações, deve o...
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