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Empreendedorismo no Ensino Superior: o caso do Instituto Politécnico do Porto
Costa, Sara CarvalhoDissertação apresentada ao Instituto Superior de Contabilidade e Administração do Porto para obtenção do Grau de Mestre em Gestão das Organizações, Ramo de Gestão de Empresas Orientada por Professor Doutor José Freitas Santos ; O presente estudo enquadra-se no âmbito de um projeto de investigação sobre empreendedorismo, anlasinado a intenção empreendedora dos estudantes finalistas de duas escolas do Instituto ...
Novos media sociais na comunicação de benefícios e riscos alimentares: o caso d...
Gaspar, Rui; Lima, Luisa; Seibt, Beate; Gorjão, Sara; Carvalho, JoãoO trabalho apresentado neste artigo foi realizado no âmbito do projeto FoodRisC - Perceção e comunicação de riscos e benefícios alimentares na Europa (Ref.: FP7-KBBE-2009-2-1- 02), um projeto de investigação iniciado em Junho de 2010 e financiado pelo 7º Programa Quadro da Comissão Europeia. Este planeia produzir ferramentas concretas para melhorar a comunicação sobre os benefícios e os riscos na alimentação. O...
Effect of ionizing radiation on rat peritoneal macrophages
Ana Cunha; António Lourenço; João Cancela; João Castelhano; Sara Carvalho; Ana Saiote; Áurea Matias; Emília Reis; Carmo Lopes; Ana SantosThis study aims to evaluate the survival rate of peritoneal rat macrophages after exposure to 3 & 6 Gy ionizing radiation fields, respectively. Cells were cultured in multiwell plates (37 ºC, 5% CO2), separated in 3 groups: GI–control; GII-cells irradiated with 3 Gy; GIII–cells irradiated with 6 Gy, using a 4 MeV particle accelerator. After irradiation cells were incubated for 2h30 = T0, 13...
Urban and rural primary school pupils' conceptions about the respiratory system...
Tracana, Rosa Branca; Varanda, Isabel; Viveiros, Sara; Carvalho, Graça Simões deAn important objective of primary school teaching is to make children learn scientific contents. For this, teachers must know their pupils’ previous ideas in order to provoke effective conceptual changes. We analysed primary school pupils’ conceptions and their learning difficulties by carrying out a cross-sectional study. Five to 9 years old pupils’ conceptions about respiration and smoking were analysed befor...
Children’s conceptions about respiration before and after formal teaching : ide...
Tracana, Rosa Branca; Varanda, Isabel; Viveiros, Sara; Carvalho, Graça Simões deIn general, Portuguese primary school teachers impose content knowledge on pupils without having any idea about pupils’ alternative conceptions constructed in their daily life. Using drawing technique, we carried out a systematic investigation on primary school pupils’ conceptions about air breathing and smoking (tobacco and hashish smoking) either before their first formal learning or after it, in order to ide...
How Long Do the Dead Survive on the Road? Carcass Persistence Probability and I...
Santos, Sara; Carvalho, Filipe; Mira, AntónioBackground: Road mortality is probably the best-known and visible impact of roads upon wildlife. Although several factors influence road-kill counts, carcass persistence time is considered the most important determinant underlying underestimates of road mortality. The present study aims to describe and model carcass persistence variability on the road for different taxonomic groups under different e...
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