6 documents found, page 1 of 1
Comparative tribological investigation of castor oil and its transesterified an...
Lasch, G; Stradolini, P; Gehlen, GS; Barros, LY; Poletto, JC; Ramalho, A; Carlos M C G Fernandes; Romio, PC; Petzhold, CL; Ferreira, NF; Neis, PDThis study compared the tribological performance of castor oil (CO), its transesterified (TCO), and aminolyzed (ACO) forms. A limited number of research articles are available regarding the tribological properties of these modified forms, especially the aminolyzed. Assessments included film thickness, piezoviscosity, Stribeck curve, and scuffing resistance. The film thickness followed the same order of the dyna...
Influência de um ano académico atípico nos níveis de atividade física de alunos...
Teles, C; Ramalho, A; Gameiro, J; Bernardino, J; Marçal, T; Silva, CR; Alves Lopes, AntónioIntrodução: Portugal, é um dos países da União Europeia com menor taxa de Atividade Física (AF), sendo que, apenas 40% da população é ativa. O longo do ciclo de vida, no período universitário, existe a coincidência do aumento de autonomia e de tomada de decisão dos jovens, e de mudanças nos hábitos de vida, normalmente associado a uma diminuição da prática de AF. Em termos percentuais, 30% dos estudantes univer...
Vitamin D metabolism in human adipose tissue: Could it explain low Vitamin D st...
Cordeiro, A; Santos, Alejandro; Bernardes, M; Ramalho, A; Martins, MJObesity and a low vitamin D (VD) status, as well as a positive association between them, are prevalent worldwide. Additionally, a low VD status has been positively correlated with metabolic dysfunction (although not so convincingly as for obesity). The VD receptor (VDR) mediates VD biological actions in adipose tissue (AT), where VD can be activated or inactivated/degraded through specific hydroxylation steps. ...
Lessons from London: the BMJ editorial process.
Pestana, P; Ramalho, A; Revés, J
Boron neutron capture therapy (BNCT) in metastatic melanoma
Fernandes, AP; Oliveira, NG; Castro, M; Gonçalves, IC; Ramalho, A; Rueff, J; Toscano Rico, JM
Incidence of and mortality from malignant tumors inthe municipality of++Vila No...
Amado, J; Matos, E; Calheiros, J M; Ramalho, A; Ramalho, C; Castro, A; Araújo, A; Moreira, A P; Gomes, J TData from the population based Cancer Registry of Vila Nova de Gaia for the 1981-1987 period are presented. Cancer is becoming a disease increasingly frequent in Portugal, causing progressively higher mortality rates. Population and geographic characteristics of Vila Nova de Gaia country is presented. Information sources of this Registry are hospitals, pathology labs, Health Authority files and death certificat...