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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Showing 1 to 10 of 66 (0.016 seconds)
1

Obtencao da zirconia (ZrO2) estabilizada com itria (Y2O3) via precipitacao simultanea

CAMPOS, MAGALI de 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:37:22Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:09:16Z (GMT). No. of bitstreams: 1 02038.pdf: 1454798 bytes, checksum: 5a3c799a2f513be1fb36107439261907 (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
zirconium oxides
yttrium oxides
precipitation
2

Influencia da microestrutura na tenacidade a fratura e resistencia a flexao da zirconia tetragonal policristalina

BASANI, HOMERO 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:37:08Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:56:40Z (GMT). No. of bitstreams: 1 01908.pdf: 6409813 bytes, checksum: a4da653568b2a1fde0228c02cc3838b9 (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
tetragonal zirconia polycrystals
microstructure
fracture properties
bending
yttrium oxides
3

Filmes supercondutores do sistema YBsubaCsubuO

COELHO, ALVARO L. 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:36:36Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:59:10Z (GMT). No. of bitstreams: 1 01819.pdf: 965861 bytes, checksum: 0c698783e4fc27b453a2c0225bd8ff99 (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Fisica, Universidade de Sao Paulo - IF/USP
thin films
superconducting films
barium oxides
yttrium oxides
copper oxides
4

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
5

Influencia da microestrutura na tenacidade a fratura e resistencia a flexao da zirconia tetragonal policristalina

BASANI, HOMERO 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:37:08Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:56:40Z (GMT). No. of bitstreams: 1 01908.pdf: 6409813 bytes, checksum: a4da653568b2a1fde0228c02cc3838b9 (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
tetragonal zirconia polycrystals
microstructure
fracture properties
bending
yttrium oxides
6

Filmes supercondutores do sistema YBsubaCsubuO

COELHO, ALVARO L. 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:36:36Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:59:10Z (GMT). No. of bitstreams: 1 01819.pdf: 965861 bytes, checksum: 0c698783e4fc27b453a2c0225bd8ff99 (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Fisica, Universidade de Sao Paulo - IF/USP
thin films
superconducting films
barium oxides
yttrium oxides
copper oxides
7

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
8

Static and dynamic phases of vortices in the high temperature superconductor YBa←2Cu←3O←7←-←#delta#

Rassau, Andreas Peter January 2000 (has links)
No description available.
530.41
9

Obtencao de pos de zirconia estabilizada com itria com diferentes teores de silica

LEITAO, FREDNER 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:46:43Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:58:36Z (GMT). No. of bitstreams: 1 08288.pdf: 2858118 bytes, checksum: 5254a04c780740482622c95ca3afa37b (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
ceramics
zirconium oxides
yttrium oxides
powders
coprecipitation
silicon oxides
impedance spectroscopy
electrical properties
10

Fabricação e testes de células a combustível de óxido sólido a etanol direto usando camada catalítica / Solid oxide fuel cells fabrication and operation running direct ethanol using a catalytic layer

NOBREGA, SHAYENNE D. da 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:35:43Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:03:54Z (GMT). No. of bitstreams: 0 / Tese (Doutoramento) / IPEN/T / Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
SOLID OXIDE FUEL CELLS
DIRECT ETHANOL FUEL CELLS
ELECTROLYTS
ZIRCONIUM OXIDES
YTTRIUM OXIDES
MICROSTRUCTURES
CATALYTIC REFORMING

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