Exploració per autor "Ferreira, Carlos"

Ara es mostren els items 1-4 de 4

    • A first principle analysis of the structure of oligoanilines doped with alkylsulfonic acids 

      Casanovas, Jordi; Canales Gabriel, Manel; Ferreira, Carlos; Alemán Llansó, Carlos (2009)
      Article
      Accés restringit per política de l'editorial
      The interaction of polyaniline with alkylsulfonate dopants have been investigated at the atomic level using quantum mechanical methods. Calculations have been performed on complexes formed by dopant molecules with an alkyl ...

    • Improving social capital: a social network monitoring system 

      Monguet Fierro, José María; Ojeda Rodríguez, Jordi; Cadima, Rita; Ferreira, Carlos (2010-12-13)
      Article
      Accés obert
      To increase communication and collaboration opportunities, members of a community must be aware of the social networks that exist within that community. This paper describes a social network monitoring system that enables ...

    • Influencia de polímeros convencionais e condutor em membranas cátion-seletivas: Síntese e caracterizaçao 

      Müller, Franciélli; Ferreira, Carlos; Armelín Diggroc, Elaine Aparecida; Alemán Llansó, Carlos; Schramm, Juliana (2011)
      Comunicació de congrés
      Accés obert
      Tecnologia de membranas vem recebendo muita atenção nos últimos anos, tanto da indústria quanto de centros de pesquisas, devido à necessidade de versatilidade e desenvolvimento de processos econômicos de separação. Neste ...

    • Transport of Metallic Ions through Polyaniline-containing composite membranes 

      Ferreira, Carlos; Casanovas, Jordi; Rodrigues, Marco A. S.; Muller, Francielli; Armelín Diggroc, Elaine Aparecida; Alemán Llansó, Carlos (2010-09-30)
      Article
      Accés obert
      The extraction of Na+, Ni2+, and Cr3+ using six different membranes made of polyaniline composited with high-impact polystyrene, which differ in the doping agent and/or the preparation method, has been investigated. The ...