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Optimization of the humification process during composting and recovery evaluat...
Silva, Maria Elisabete FerreiraDoutoramento em Engenharia do Ambiente - Instituto Superior de Agronomia ; This work aimed to contribute to the knowledge about the formation of humic-like substances (HS-like) during composting and to assess the recovery of these substances from commercial compost with low quality. Several mixtures with raw materials of known composition (wheat flour, dog food) were composted. First, it was studied the influe...
Co-Compostagem de resíduos avícolas e de resíduos florestais : Um estudo na reg...
Silva, Maria Elisabete FerreiraDissertação apresentada para obtenção do grau de Mestre em Engenharia do Ambiente (ramo de Gestão e Tratamento de Resíduos Industriais), na Faculdade de Engenharia da Universidade do Porto, sob a orientação na FEUP da Profs. Doutora Olga Cristina Pastor Nunes e na Escola Superior de Tecnologia de Viseu do Prof. Doutor Luís Eugénio Teixeira de Lemos
Thermal analysis evaluation of mechanical properties changes promoted by gamma ...
Abreu, Maria José Araújo Marques; Silva, Maria Elisabete; Ferreira, L. M.; Oliveira, Carlos; Casimiro, Miguel; Coelho, AlexandraThe large number of surgical operations with pos-operative infection problems and the appearing of new infectious diseases, contribute to the development of new materials in order to answer the needs of health care services. This development must take into account the modifications promoted by sterilisation methods in materials, namely by gamma radiation. The Differential Scanning Calorimetry (DSC) and Thermog...
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