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Thesis (Th. M.)--Dallas Theological Seminary, 2006. / Includes bibliographical references (leaves [101]-106).

Thesis (M.A.)--University of Adelaide, Dept. of English, 1992. / Includes bibliographical references (leaves 141-157).

Thesis (Ph. D.)--University of Missouri-Columbia, 1997. / Typescript. Vita. Includes bibliographical references (leaves 280-303). Also available on the Internet.

Thesis (Ph. D.)--University of Missouri-Columbia, 1997. / Typescript. Vita. Includes bibliographical references (leaves 280-303). Also available on the Internet.

Thesis (M.A.)--Trinity Evangelical Divinity School, 2003. / Abstract. Includes bibliographical references (leaves 164-168).

Thesis (M.A.)--Trinity Evangelical Divinity School, 2003. / Abstract. Includes bibliographical references (leaves 164-168).

Thesis (Th. M.)--Dallas Theological Seminary, 2006. / Includes bibliographical references (leaves [101]-106).

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Made available in DSpace on 2014-12-17T14:07:04Z (GMT). No. of bitstreams: 1 RosaneMPBO_TESE_partes_autorizadas.pdf: 623811 bytes, checksum: 3724885447cd319f325ecaa9845943f0 (MD5) Previous issue date: 2010-10-04 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior / In this work, ceramic powders belonging to the system Nd2-xSrxNiO4 (x = 0, 0.4, 0.8, 1.2 and 1.6) were synthesized for their use as catalysts to syngas production partial. It was used a synthesis route, relatively new, which makes use of gelatin as organic precursor. The powders were analyzed at several temperatures in order to obtain the perovskite phase and characterized by several techniques such as thermal analysis, X-rays diffraction, Rietveld refinement method, specific surface area, scanning electron microscopy, energy dispersive spectroscopy of X-rays and temperature programmed reduction. The results obtained using these techniques confirmed the feasibility of the synthesis method employed to obtain nanosized particles. The powders were tested in differential catalytic conditions for dry reforming of methane (DRM) and partial oxidation of methane (POM), then, some systems were chosen for catalytic integrals test for (POM) indicating that the system Nd2-xSrxNiO4 for x = 0, 0.4 and 1.2 calcined at 900 ?C exhibit catalytic activity on the investigated experimental conditions in this work without showing signs of deactivation / Neste trabalho, p?s cer?micos pertencentes ao sistema Nd2-xSrxNiO4 (x = 0; 0,4; 0,8; 1,2 e 1,6) foram sintetizados visando sua utiliza??o como catalisadores para produ??o de g?s de s?ntese. Foi utilizada uma rota de s?ntese, relativamente nova, na qual faz uso de gelatina como precursor org?nico. Os p?s cer?micos sintetizados foram calcinados a v?rias temperaturas visando ? obten??o da fase perovsquita e ent?o caracterizados por v?rias t?cnicas, tais como: An?lise t?rmogravim?trica, difra??o de raios X, refinamento Rietveld, ?rea espec?fica (m?todo BET), microscopia eletr?nica de varredura, espectroscopia por dispers?o de energia de raios X e redu??o ? temperatura programada. Os resultados obtidos atrav?s destas t?cnicas confirmaram a viabilidade do m?todo de s?ntese empregado para obten??o de part?culas nanom?tricas. Os p?s foram submetidos a testes catal?ticos em condi??es diferenciais para rea??o de reforma a seco (RSM) e oxida??o parcial do metano (OPM), em seguida alguns sistemas foram escolhidos para testes catal?ticos integrais de OPM indicando que o sistema Nd2-xSrxNiO4 para x = 0, 0,4 e 1,2 calcinados a 900 ?C apresentam atividade catal?tica nas condi??es experimentais investigadas nesse trabalho sem mostrar sinais de desativa??o