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41	Determinacao espectrografica de algumas terras raras em torio e seus compostos. Pre-concentracao por cromatografia no sistema celulose-NHOsub(3)-eter BRITO, J. 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:50:27Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:58:48Z (GMT). No. of bitstreams: 1 00405.pdf: 947011 bytes, checksum: 8f2fa5c6569237ec163d885952542770 (MD5) / Dissertacao (Mestrado) / IEA/D / Instituto de Quimica, Universidade de Sao Paulo - IQ/USP cellulose chemical analysis chromatography emission spectroscopy rare earths thorium compounds
42	Determinacao de elementos terras raras em rochas por analise por ativacao com neutrons com separacao pre-irradiacao ALCALA, ANTONIO L. 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:36:39Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:59:09Z (GMT). No. of bitstreams: 1 04223.pdf: 1419857 bytes, checksum: c459646dde6311c48fc0d2d70d417684 (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP rocks rare earths neutron activation analysis separation processes
43	Determinacao espectrografica de disprosio, dopante de sulfato de calcio utilizado como material dosimetrico GRIGOLETTO, TANIA 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:30:54Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:00:07Z (GMT). No. of bitstreams: 1 01375.pdf: 3328956 bytes, checksum: bc6b03c6b7e5de420bd9ec658e0ee286 (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP dosemeters rare earths dysprosium spectroscopy sulfates calcium sulfates
44	Determinacao do fluxo integrado de neutrons por meio de medidas da razao isotopica de Cd e Gd TOMIYOSHI, IRENE A. 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:31:18Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:00:02Z (GMT). No. of bitstreams: 1 01382.pdf: 1324582 bytes, checksum: a13259f739e3877599333a2bd263f765 (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP neutron flux rare earths gadolinium transition metals cadmium
45	Estudos espectroscopicos dos processos de transferencia de energia relevantes para obtencao de acao laser do holmio no cristal Er: Tm: Ho:YLF TARELHO, LUIZ V.G. 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:38:57Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:00:33Z (GMT). No. of bitstreams: 1 02750.pdf: 7958320 bytes, checksum: 74f82755fc19c9c0b0422b2249749545 (MD5) / Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP / FAPESP:92/03885-5 energy transfer lasers crystal growth rare earths holmium erbium thulium
46	Obtencao de oxido de cerio com alta area superficial especifica ALBANEZ, NELMA E.F.K. 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:40:52Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:04:30Z (GMT). No. of bitstreams: 1 02944.pdf: 4594113 bytes, checksum: a3a3f6866bfb45e2b9c9b02b0a6f7796 (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP cerium oxides specific surface area catalysis catalysts rare earths precipitatio
47	Aplicacao conjunta de analise por ativacao e diluicao isotopica a determinacao dos elementos de terras raras em oxido de itrio ATALLA, LAURA T. 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:24:20Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:04:28Z (GMT). No. of bitstreams: 1 00288.pdf: 1133493 bytes, checksum: cc3bee26beefe753c5695b8f356ce09e (MD5) / Dissertacao (Mestrado) / IEA/D / Escola Politecnica, Universidade de Sao Paulo - POLI/USP activation analysis e. compounds yttrium oxides isotopes isotope dilution rare earths
48	Troca ionica focalizada - Aplicacao a separacao de elementos das terras raras PUSCHEL, CLAUDIO R. 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:24:25Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:04:22Z (GMT). No. of bitstreams: 1 00429.pdf: 872636 bytes, checksum: 9c83770eba88d0400824d10f4e45ebcb (MD5) / Dissertacao (Mestrado) / IEA/D / Instituto de Química - Universidade de São Paulo - IQ/USP ion exchange rare earths lutetium ytterbium lanthanum separation processes
49	Recuperação de tório e terras raras via peróxido do resíduo originado na unidade de purificação de tório / Recovery of thorium and rare earths by their peroxides precipitation from a residue produced in the thorium purification facility FREITAS, ANTONIO A. de 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:54:49Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:07:33Z (GMT). No. of bitstreams: 0 / Dissertação (Mestrado) / IPEN/D / Instituto de Pesquisas Energéticas e Nucleares - IPEN/CNEN-SP RETOTER THORIUM RARE EARTHS LEAD 208 PEROXIDES SEPARATION PROCESSES PURIFICATION
50	Aplicacao da tecnica da destilacao fracionada com carreador na determinacao espectroquimica dos elementos lantanideos e itrio em matriz de... torio DEPPE, ALZIRA L. 09 October 2014 (has links) Made available in DSpace on 2014-10-09T12:24:05Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:07:46Z (GMT). No. of bitstreams: 1 00977.pdf: 3763058 bytes, checksum: 97ecf1e166b6930fe1f2970fa9ba4295 (MD5) / Dissertacao (Mestrado) / IEA/D / Escola Politecnica, Universidade de Sao Paulo - POLI/USP distillation fractionation rare earths spectroscopy spectrochemistry transition metals yttrium

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