Zobrazeno 1 - 10 of 13 pro vyhledávání: '"Souza, Antônio Gouveia de"'
2
Influence of the network former on the properties of magnesium spinels
Autor: Silva, Márcia R. S., Miranda, Lydianne C. de O., Santos, Maria Rita de Cássia, Lima, Severino Jackson Guedes, Soledade, Luiz Edmundo Bastos, Silva, Elson Longo da, Paskocimas, Carlos Alberto, Souza, Antônio Gouveia de, Santos, Ieda Maria Garcia dos
Publikováno v: Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
Undoped and/or doped with 1 mol% of Co2+ Mg2TiO4 andMg2SnO4 powders were synthesized by the polymeric precursor method. The influence of the network former (Sn4+ or Ti4+) on the thermal, structural and optical properties was investigated. The recorde
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::59d7496b5a4b40e6902a0f2afdf57bf0
https://repositorio.ufrn.br/handle/123456789/32221
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3
Color and structural analysis of CoxZn7−xSb2O12 pigments
Autor: Gouveia, Deiby Santos, Soledade, Luiz Edmundo Bastos, Paskocimas, Carlos Alberto, Silva, Elson Longo da, Souza, Antônio Gouveia de, Santos, Ieda Maria Garcia dos
Publikováno v: Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
The polymeric precursor method was successfully used to synthesize CoxZn7−xSb2O12 (x = 0–7) powders. Pigments were evaluated using colorimetry, X-ray diffraction, UV–vis and infrared spectroscopy. The optical band gap values vary with the Co2+
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::fac077089cdc88e2143a55bcffba6ec9
https://repositorio.ufrn.br/handle/123456789/32281
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4
Synthesis and thermal characterization of zirconium titanate pigments
Autor: Costa, C. E. F., Crispim, Samara C. L., Lima, Severino Jackson Guedes, Paskocimas, Carlos Alberto, Silva, Elson Longo da, Fernandes Júnior, Valter José, Araújo, Antônio Souza de, Santos, Ieda Maria Garcia dos, Souza, Antônio Gouveia de
Publikováno v: Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
The objective of this work was to obtain modern pigments based on zirconium titanate doped with nickel and cobalt using polymeric precursor method. Thermal evolution of ZrTiO4 phase was determined. After primary calcination, the material still exhibi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::28a96f231b712e277142ef20e0ca507f
https://repositorio.ufrn.br/handle/123456789/32297
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5
Contribuição ao estudo de uma metodologia alternativa para obtenção de dioxissulfeto de terras raras
Autor: Santos, Arnaud Victor dos, Simões, Anderson Sávio de Medeiros, Souza, Antônio Gouveia de, Matos, Jivaldo do Rosário
Publikováno v: Química Nova, Volume: 24, Issue: 3, Pages: 320-323, Published: JUN 2001
In the last decade, many method has been developed to obtain oxysufides. However, theses materials were obtained by reaction involved gaseous toxics, CO, CS2, H2S and S. In the present work, the synthesis of lanthanum oxysufides actived by europium (
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______608::1d5b3b5f67b1cbcd834044970280cc59
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422001000300007&lng=en&tlng=en
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6
Dissertation/ Thesis
Termoquimica de quelatos de dialquilditiocarbamatos envolvendo fosforo, arsenio, antimonio e bismuto trivalente : alguns aspectos termoquimicos de alcoxidos e tris (dietilamido) de arsenio (III)
Autor: Souza, Antonio Gouveia de
Publikováno v: Repositório Institucional da UnicampUniversidade Estadual de CampinasUNICAMP.
Orientador : Claudio Airoldi
Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Quimica
Made available in DSpace on 2018-07-16T23:23:38Z (GMT). No. of bitstreams: 1 Souza_AntonioGouveiade_D.pdf: 8178280 bytes, checksum: 485b
Externí odkaz: http://repositorio.unicamp.br/jspui/handle/REPOSIP/250061
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7
Chia (salvia hispanica l.): potencial antioxidante, nutricional e funcional
Autor: Alcântara, Maristela Alves
Publikováno v: Biblioteca Digital de Teses e Dissertações da UFPB
Universidade Federal da Paraíba (UFPB)
instacron:UFPB
Functional foods are highlighted for promoving beneficial effects on human health. Among them, chia seed (Salvia hispanica L.) is a natural source of polyunsaturated fatty acids, with high levels of α-linolenic acid, and other important nutritional
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::336ea57a4b5046435acae3e8cc074062
https://repositorio.ufpb.br/jspui/handle/tede/9418
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8
Characterization and thermal behavior of gasoline gums deposited in automotive vehicles
Autor: MARTINS, Geovana Do Socorro Vasconcelos.
Publikováno v: Biblioteca Digital de Teses e Dissertações da UFCG
Universidade Federal de Campina Grande (UFCG)
instacron:UFCG
Submitted by Emanuel Varela Cardoso (emanuel.varela@ufcg.edu.br) on 2019-06-03T16:34:34Z No. of bitstreams: 1 GEOVANA DO SOCORRO VASCONCELOS MARTINS – DISSERTAÇÃO (PPG-CEMat) 2006.pdf: 8276337 bytes, checksum: a29f33ab1fe4a6e27164986b5cd7853d (MD
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::cb535c98c2e79b2d98ecb12561b31bfc
http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/4087
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9
Properties of polyester / jute composites. Influence of the addition of nanoparticulate mineral filler and flame retardant system
Autor: LARANJEIRA, Edilâne.
Publikováno v: Biblioteca Digital de Teses e Dissertações da UFCG
Universidade Federal de Campina Grande (UFCG)
instacron:UFCG
Submitted by Ruth Quaresma de Freitas (ruth_quaresma@hotmail.com) on 2019-09-09T17:49:46Z No. of bitstreams: 1 EDILÂNE LARANJEIRA - TESE PPGEP 2004.pdf: 33587438 bytes, checksum: 18d1f1779dd9e06d733d6e3e4cd913f8 (MD5) Made available in DSpace on 201
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::15bd03730e7e57defd43a6f0a614376c
http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/6847
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10
Mechanical properties of polyester / jute composites: effects of surface treatments
Autor: BATISTA, Wilton Walter.
Publikováno v: Biblioteca Digital de Teses e Dissertações da UFCG
Universidade Federal de Campina Grande (UFCG)
instacron:UFCG
Submitted by Deyse Queiroz (deysequeirozz@hotmail.com) on 2019-01-30T16:41:34Z No. of bitstreams: 1 WILTON WALTER BATISTA DISSERTAÇÃO - PPGEQ 1995..pdf: 9022450 bytes, checksum: b803308998058e9ab409959e8d72a27b (MD5) Made available in DSpace on 201
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::9d203e8efe2d2cf71e323e1e5a70d1e2
http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/2637
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