Global ETD Search

31	Compositos resina epóxi/nanotubos de carbono de paredes múltiplas: caracterização dos materiais de partida e avaliação das condutividades elétrica e térmica Wellington Marcos da Silva 13 April 2009 (has links) Nenhuma / Investigamos neste trabalho as propriedades elétricas e térmicas de 1)compositos resina epóxi/nanotubos de carbono de paredes múltiplas concêntricas (MWNT) manufaturados com 0,1, 0,5 e 1% em massa de MWNT dispersos aleatoriamente na resina; 2)de compósitos reina/buckpaper; 3) de buckpaper (tecido de MWNT). Carbono Nanotubos Nanoestruturas Propriedades térmicas Propriedades elétricas Resinas Carbon Nanotubes Nanostructures Thermodynamic properties Resins Thermal gravimetric analysis Epoxides QUIMICA DO ESTADO CONDENSADO
32	Aplicacao de nanotetecnologia no meio ambiente: biossorvente magnetico na remocao de uranio / Environmental nanotechnology application: magnetic biosorbent for uranium removal YAMAMURA, AMANDA P.G. 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:27:04Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:56:34Z (GMT). No. of bitstreams: 1 14386.pdf: 115351 bytes, checksum: e171f39a0d4e19bac211bcd02845aa90 (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP RADIOACTIVE WASTE MANAGEMENT URANIUM IONS SUGAR CANE BAGASSE NANOSTRUCTURES ADSORPTION REMOVAL ENVIRONMENT SODIUM HYDROXIDES IRON SCANNING ELECTRON MICROSCOPY FOURIER ANALYSIS INFRARED SPECTRA THERMAL GRAVIMETRIC ANALYSIS X-RAY DIFFRACTOMETERS
33	Sintese e caracaterizacao eletroquimica de membranas hibridas nafion-SiOsub(2) para aplicacao como eletrolito polimerico em celulas a combustivel tipo PEM / Synthesis and electrochemical characterization of Nafion-SiO2 hybrid membranes for application as polymeric electrolyte in PEM fuel cells DRESCH, MAURO A. 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:27:09Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:56:18Z (GMT). No. of bitstreams: 0 / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP ELECTROLYTES POLARIZATION SILICON OXIDES WATER PROTON EXCHANGE MEMBRANE FUEL CELLS SOL-GEL PROCESS THERMAL GRAVIMETRIC ANALYSIS SCANNING ELECTRON MICROSCOPY SPECTROSCOPY SYNTHESIS
34	Investigação do processo de obtenção de aluminatos de bário e cálcio para construção e caracterização de catodos termiônicos impregnados para a aplicação em dispositivos de microondas de potência HIGASHI, CRISTIANE 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:52:11Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:57:49Z (GMT). No. of bitstreams: 0 / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP ALUMINATES BARIUM CALCIUM TUNGSTEN CATHODES THERMIONIC EMITTERS TRAVELLING WAVE TUBES X-RAY DIFFRACTION INFRARED SPECTRA SPECTROSCOPY THERMAL GRAVIMETRIC ANALYSIS SCANNING ELECTRON MICROSCOPY X-RAY FLUORESCENCE ANALYSIS
35	Perspectivas da geracao de creditos de carbono com base na obtencao de um fertilizante - aproveitamento de residuos de biomassa da agricultura brasileira / Perspectives of the generation of carbon credits on the basis of the attainment of a fertilizer - exploitation of residues of biomass of brazilian agriculture BERNARDI, CATERINA V. 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:27:17Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:59:15Z (GMT). No. of bitstreams: 0 / Tese (Doutoramento) / IPEN/T / Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP BRAZIL AGICULTURE BIOMASS CARBON DIOXIDE GASIFICATION REDUCTION AMMONIUM HYDROXIDES FERTILIZERS THERMAL GRAVIMETRIC ANALYSIS INFRARED SPECTRA X-RAY DIFFRACTION SUSTANABLE DEVELOPMENT GREENHOUSE GASES
36	Síntese, caracterização microestrutural e elétrica de compostos cerâmicos à base de soluções sólidas de titanato de estrôncio, titanato de cálcio e óxido de ferro / Synthesis, microstructural and electrical characterization of ceramic compounds based on strontium and calcium titanates and iron-oxide CARMO, JOÃO R. do 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:34:02Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:59:37Z (GMT). No. of bitstreams: 0 / Tese (Doutoramento) / IPEN/T / Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP CERAMICS STRONTIUM TITANES TITANIUM COMPOUNDS CALCIUM COMPOUNDS IRON OXIDES SYNTHESIS MICROSTRUCTURE ELECTRIC CONDUCTIVITY THERMAL GRAVIMETRIC ANALYSIS X-RAY DIFFRACTION SCANNING ELECTRON MICROSCOPY IMPEDANCE SPECTROSCOPY
37	Avaliação da alteração nas propriedades da pasta de cimento em ambiente de repositório / Assessment of cement paste properties changes in repository environment FERREIRA, EDUARDO G.A. 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:36:01Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:59:48Z (GMT). No. of bitstreams: 0 / Dissertação (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP PORTLAND CEMENT BOREHOLES RADIOACTIVE WASTE DISPOSAL BACKFILL SEALED SOURCES THERMAL DEGRADATION DAMAGE MECHANICAL PROPERTIES HYDRATION DRY STORAGE X-RAY DIFFRACTION SCANNING ELECTRON MICROSCOPY THERMAL GRAVIMETRIC ANALYSIS
38	Utilização da escória de alumínio na fabricação de argila expandida TAKAHASHI, ELISA A.N. 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:52:10Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:01:02Z (GMT). No. of bitstreams: 0 / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP INDUSTRIAL WASTE ALUMINIUM SLAGS RECYCLING CLAYS CONCRETES X-RAY FLUORESCENCE ANALYSIS X-RAY DIFFRACTION DIFFERENTIAL THERMAL ANALYSIS THERMAL GRAVIMETRIC ANALYSIS SCANNING ELECTRON MICROSCOPY
39	Utilização da radiação ionizante na reciclagem de pneus inservíveis de automóvel e sua destinação ambiental adequada / Use of ionizing radiation in the recycling of unserviceable tires of automotive and its adequate environmental disposal SOUZA, CLECIA de M. 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:42:28Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:02:09Z (GMT). No. of bitstreams: 0 / Dissertação (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP AUTOMOBILES SCRAP TIRES RUBBERS RECYCLING IONIZING RADIATIONS THERMAL GRAVIMETRIC ANALYSIS DIFFERENTIAL THERMAL ANALYSIS FOURIER TRANSFORM ANALYSIS INFRARED SOURCES SCANNING ELECTRON MICROSCOPY MECHANICAL PROPERTIES ENVIRONMENTAL PROTECTION
40	Desenvolvimento de marcador óptico para processamento de poliolefinas / Development of optical marker for polyolefin processes MARCHINI, LEONARDO G. 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:35:51Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:03:39Z (GMT). No. of bitstreams: 0 / Dissertação (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP POLYMERS LUMINESCENCE POLYPROPYLENE POLYAMIDES DOPED MATERIALS EUROPIUM COMPLEXES DILUTION CASTING EXTRUSION POLYOLEFINS THERMAL GRAVIMETRIC ANALYSIS CALORIMETRY X-RAY DIFFRACTION FOURIER TRANSFORMATION INFRARED SPECTRA PHOTO LUMINESCENCE

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