Encontrados 69 documentos, a visualizar página 1 de 7
Carbon nanotubes as base materials for water treatment processes
Faria, Joaquim L.; Ribeiro, Rui S.; Silva, Adrián M. T.; Silva, Cláudia G.; Figueiredo, José L.; Gomes, Helder T.
Estimativa da produção de biomassa em populações de figueira da índia (Opuntia ...
Reis, C.M.G.; Moreira, L.; Ribeiro, M.M.A.
Persistent primary hyperparathyroidism: an uncommon location for an ectopic gla...
Gouveia, S; Rodrigues, D; Barros, L; Ribeiro, C; Albuquerque, A; Carvalheiro, MPrimary hyperparathyroidism (PHPT) is a common endocrine disorder that mainly affects middle-aged women. Patients are usually asymptomatic. The disease might be ascribable to hyperplasia, carcinoma, and single or multiple adenomas. PHPT may be sporadic or familial, the latter comprising multiple endocrine neoplasia type 1 or 2A, familial benign hypocalciuria hypercalcemia, and hyperparathyroidism-jaw tumor synd...
Contribution to EPMA to airbone pollen analysis
Guimarães, Fernanda M. G.; Duque, L.; Ribeiro, H.; Sousa, R,; Abreu, I.
Contribution to EPMA to airbone pollen analysis
Guimarães, Fernanda M. G.; Duque, L.; Ribeiro, H.; Sousa, R.; Abreu, I.As a component of aerosol, pollen is found in suspension with other mineralogical and anthropogenic particles that can adhere to the pollen wall. The aim of this study was to determine possible alterations that pollen grains suffer under different meteorological conditions in the coastal city of Porto, Portugal. For this study, 2 airborne pollen types were taken into account: Poaceae and Alnus spp sampled in ...
HDPE/mesoporous silica nanocomposites by in-situ polymerisation: structural det...
Bento, A.; Lourenço, J. P.; Fernandes, A.; Pérez, E.; Cerrada, MarÃa L.; Ribeiro, M. R.Mesoporous silicas exhibit stable three-dimensional structures, made of ordered channels with well-defined geometries and dimensions at nanometer scale, able to host intercalation reactions.
New HDPE/MCM41 nanocomposites with improved mechanical performance: synthesis a...
Bento, A.; Lourenço, J. P.; Fernandes, A.; Pérez, E.; Cerrada, MarÃa L.; Ribeiro, M. R.Ordered mesoporous silicas with a channel structure of well - defined geometries and dimensions at nanometer scale are excellent candidates to host intercalation reactions. In recent y ears, our research group has shown that mesoporous silicas of the M41S class combined with metallocene complexes give rise to excellent supported catalysts for ethylene polymerisation. Due to the support characteristics, the reac...
HDPE/mesoporous silica nanocomposites by in-situ polymerisation: structural det...
Bento, A.; Lourenço, J. P.; Fernandes, A.; Pérez, E.; Cerrada, María L.; Ribeiro, M. R.Mesoporous silicas exhibit stable three-dimensional structures, made of ordered channels with well-defined geometries and dimensions at nanometer scale, able to host intercalation reactions.
Emergence of multiple carbapenem resistant clinical isolates from different Ent...
Novais, Ângela; Rodrigues, Carla; Branquinho, Raquel; Antunes, Patrícia; Grosso, Filipa; Boaventura, L.; Ribeiro, Graça; Peixe, Luísa[abstract] ; [resumo]
Ensaios com minoxidil
Bergold, Ana Maria; Camargo, Laura N.; Dias, Maria Christina S.; Maciel, Regina A.G.; Nunes, Renata L.; Ribeiro, Maira H.; Sartori, Vera L.G.A dissolução de minoxidil sob forma de pó microcristalino foi avaliada em diversas temperaturas. A avaliação de minoxidil em soluções com diferentes concentrações foi feita espectrofotometricamente (U.V.). ; The dissolution of minoxidil as microcrystaline powder, was assessed under various environmental temperatures. The evaluation of minoxidil in solution at different concentrations was made by ultraviolet ...
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