O debate em torno do número e organização das habilidades cognitivas mantém-se como um dos temas atuais no estudo da inteligência, nomeadamente no seio da abordagem psicométrica. Considerando-se que a maioria dos autores defende que a diferenciação cognitiva (formação das aptidões ou habilidades cognitivas diferenciadas) ocorre a partir da adolescência, com a realização deste estudo pretende-se averiguar a sua ...
A «Doença do arranhão do gato» é uma doença, habitualmente benigna, cuja incidência na nossa população está provavelmente subestimada.Os autores descrevem três casos desta doença ocorridos nos anos de 1995 e 1996 no Departamento de Pediatria do Hospital de S. João, no Porto. Todas as crianças apresentaram adenofleimão, com resposta insatisfatória à terapêutica antibiótica, que obrigou à hospitalização de duas d...
Só está disponível o resumo. ; Sugar composition, phenolic content and antioxidant activity of P. tridentatum aqueous extracts: micropropagated shoots vs wild plants.
Oxygen plays a crucial role in oenology. The oxygen leads to changes in the chemical and sensory profile of wines. On one hand, the impact of moderate oxygen exposure of red wine has a positive effect in its colour, aromatic bouquet and mouth-feel properties. On the other hand, oxygen has a negative effect on white wine’s quality, as well as the sensory and compositional levels. The purpose of this study was...
Pure tungsten and tantalum plates and tungsten–tantalum composites produced via mechanical alloying and spark plasma sintering were bombarded with He+ and D+ energetic ion beams and deuterium plasmas. The aim of this experiment is to study the effects caused by individual helium and deuterium exposures and to evidence that the modifications induced in the composites at different irradiation energies could be fo...
Informal Learning plays an important role in everyone's life and yet we often are unaware of it. The need to keep track of the knowledge acquired through informal learning is increasing as its sources become increasingly diverse. This paper presents a study on a tool developed to help keeping track of learners' informal learning, both within academic and professional contexts, This tool, developed within the Eu...
According to recent studies, informal learning accounts for more than 75% of our continuous learning through life. However, the awareness of this learning, its benefits and its potential is still not very clear. In engineering contexts, informal learning could play an invaluable role helping students or employees to engage with peers and also with more experience colleagues, exchanging ideas and discussing prob...
Rodents are the most frequently used animals in surgical experimentation. It is estimated that guinea pigs in particular are the third most commonly used species in this context. To disinfect guinea pigs’ skin, either alcohol or surgical iodine are most often used. In the context of an animal research project, a Nissen operation was performed in an adult male guinea pig. Because of accidental contamination of t...
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