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Physically crosslinked polyvinyl alcohol hydrogels as synthetic cartilage mater...
Schweizer, S.; Monteiro, I.; Oliveira, A. S.; Nolasco, P.; Colaço, R.; Serro, A. P.
Date: 2021
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Origin: Egas Moniz - Cooperativa de Ensino Superior, CRL
Pozzolanic activity of oil-refining catalyst: evaluation by electron and atomic...
Jeremias, J.; Nogueira, I.; Nolasco, P.; Carvalho, P. A.; Ferreira, C.; Costa, CarlaThe reuse of waste fluid catalytic cracking (FCC) catalyst as partial surrogate for cement can reduce the environmental impact of both the oil-refinery and cement production industries [1,2]. FCC catalysts can be considered as pozzolanic materials since in the presence of water they tend to chemically react with calcium hydroxide to produce compounds possessing cementitious properties [3,4]. In addition, partia...
Date: 2015
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Origin: Repositório Científico do Instituto Politécnico de Lisboa