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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.

Search results

Showing 1 to 10 of 36 (0.012 seconds)
1

Determinacao de uranio e suas razoes isotopicas em amostras ambientais

SZELES, MARLENE S.M.F. 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:36:27Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:59:26Z (GMT). No. of bitstreams: 1 03875.pdf: 1641198 bytes, checksum: aa054234bd30c0adc370774ed47847d3 (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
environment
uranium
alpha spectroscopy
uranium
isotope ratio
2

Estudo da tecnica de eletrodeposicao na preparacao de amostras para determinacao de U-233 por espectrometria alfa

MERTZIG, WERNER 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:32:31Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:09:14Z (GMT). No. of bitstreams: 1 00348.pdf: 1090339 bytes, checksum: 89d8cfffeb0919c6046af1f7251d14ae (MD5) / Dissertacao (Mestrado) / IEA/D / Instituto de Energia Atomica - IEA
electrodeposition
sample preparation
uranium 233
alpha spectroscopy
3

Determinacao de uranio e suas razoes isotopicas em amostras ambientais

SZELES, MARLENE S.M.F. 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:36:27Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:59:26Z (GMT). No. of bitstreams: 1 03875.pdf: 1641198 bytes, checksum: aa054234bd30c0adc370774ed47847d3 (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
environment
uranium
alpha spectroscopy
uranium
isotope ratio
4

Estudo da tecnica de eletrodeposicao na preparacao de amostras para determinacao de U-233 por espectrometria alfa

MERTZIG, WERNER 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:32:31Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:09:14Z (GMT). No. of bitstreams: 1 00348.pdf: 1090339 bytes, checksum: 89d8cfffeb0919c6046af1f7251d14ae (MD5) / Dissertacao (Mestrado) / IEA/D / Instituto de Energia Atomica - IEA
electrodeposition
sample preparation
uranium 233
alpha spectroscopy
5

Desenvolvimento de um metodo de bioanalise in vitro para a determinacao de torio natural incorporado

GABURO, JANETE C.G. 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:36:05Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:59:36Z (GMT). No. of bitstreams: 1 03641.pdf: 1524540 bytes, checksum: 9eac945221973ca315eb33b118d750af (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
thorium 232
bioassay
urine
feces
solvent extraction
alpha spectroscopy
thorium 229
6

Fatores que influenciam a resolucao em energia na espectrometria de particulas alfa com diodos de Si

CAMARGO, FABIO de 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:50:03Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:02:47Z (GMT). No. of bitstreams: 0 / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
ALPHA PARTICLES
ALPHA SPECTROSCOPY
DETECTION
AMERICIUM 241
ENERGY RESOLUTION
SILICON DIODES
SEMICONDUCTOR DETECTORS
7

Determinacao de isotopos de uranio e torio em amostras de liquens Canoparmelia Texana / Determination of uranium and thorium isotopes in lichens samples Canoparmelia texana

ALENCAR, MARCOS M. de 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:55:22Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:06:01Z (GMT). No. of bitstreams: 0 / Dissertação (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
ENVIRONMENT
POLLUTION
LICHENS
SAMPLE PREPARATION
BIOLOGICAL INDICATORS
URANIUM
THORIUM
ALPHA SPECTROSCOPY
ION EXCHANGE
CHROMATOGRAPHY
8

Determinação de isotópos de urânio e tório e polônio em perfis de sedimento da Baixada Santista, SP / Determination of uranium and thorium isotopes and polonium in sediment profiles from Baixada Santista, SP

RAMOS, GUILHERME da F. 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:33:06Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:06:06Z (GMT). No. of bitstreams: 0 / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
BRAZIL
COASTAL WATERS
ESTUARIES
SEAWATER
SEDIMENTS
AQUATIC ECOSYSTEMS
URANIUM
THORIUM ISOTOPES
POLONIUM
SAMPLE PREPARATION
ALPHA SPECTROSCOPY
9

Determinacao de sup210Pb e sup210Po em tabaco de cigarros nacionais

PERES, ANA C. 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:43:40Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:09:49Z (GMT). No. of bitstreams: 1 06653.pdf: 2692311 bytes, checksum: 9cf9c14400638383aed081e15b1227b7 (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
tobacco
lead 210
polonium 210
intake
chromates
lead compounds
bismuth 210
proportional counters
alpha spectroscopy
10

Sistema Ambiental aplicado a liberacao de efluentes radioativo liquido / Environmental system applied to radioactive liquid effluent release

NISTI, MARCELO B. 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:26:27Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T14:09:42Z (GMT). No. of bitstreams: 0 / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
ENVIRONMENTAL EFFECTS
LIQUID WASTES
RADIATION MONITORING
GAMMA SPECTROSCOPY
ALPHA SPECTROSCOPY
NEUTRON ACTIVATION ANALYSIS

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