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Oliveira e Silva, J.A. de.
Associacao Brasileira de Ensaios Nao Destrutivos, Sao Paulo, SP1988
Associacao Brasileira de Ensaios Nao Destrutivos, Sao Paulo, SP1988
AbstractAbstract
[en] This paper shows techniques actually used to reduce radiations exposure taxes during examinations execution by gamma radiography in regions of high population density. A portable equipment of radiation shield for using in exams by gamma radiography in pipelines, that is an adjustable device in an object body that will be examined, joining a measured collimator and a shield geometrically arranged so that the radiation restrict to impress the radiographic film used in examination without reaching people, objects or self-movings injurious that are nearness. (C.M.)
[pt]
Sao discutidas as tecnicas atualmente utilizadas para reduzir as taxas de exposicao a radiacoes durante a execucao de exames por gamagrafia em regioes de elevada densidade populacional. E apresentado um equipamento portatil de blindagem de radiacao para utilizacao em exames por gamagrafia em tubulacoes ou assemelhados, que consiste num dispositivo ajustavel ao corpo do objeto a ser examinado, incorporando um colimador e um estudo dimensionados e, geometricamente arranjados de tal maneira, que as radiacoes se limitam a impressionar o filme radiografico empregado no exame, sem atingir de forma danosa pessoas, objetos ou seres moventes que estejam nas proximidades. (C.M.)Original Title
O emprego de blindagens portateis em radiografia industrial
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1988; 16 p; 1. Brazilian Meeting of Supervisors in Industrial Radioprotection; Sao Paulo, SP (Brazil); 11-13 Apr 1988
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Chandra, U.; Aoki, P.E.; Ramos e Silva, J.A.; Castagnet, A.C.G.
Instituto de Pesquisas Energeticas e Nucleares, Sao Paulo (Brazil)1981
Instituto de Pesquisas Energeticas e Nucleares, Sao Paulo (Brazil)1981
AbstractAbstract
[en] The method of determining flow and drection of ground water by using radioactive tracers in ground water borings is described. Various parameters controlling the measurements are discussed in detail. Application of the method in studying a variety of geohydrological problems, in view of the hydrological evaluation of the waste disposal site at IPEN, is indicated. Comparison of the method with conventional pumping tests is made. (I.C.R.)
[pt]
Descreve-se o metodo de determinacao da velocidade e da direcao do fluxo da agua subterranea pelo uso de tracadores radioativos. Sao apresentados e discutidos: a influencia dos diversos parametros que interveem no fenomeno; a aplicabilidade do metodo no estudo de problemas geohidrologicos, com vistas a avaliacao hidrologica do local para a deposicao de rejeitos radioativos no IPEN, e a comparacao desse metodo com o metodo classico de bombeamento. (I.C.R.)Primary Subject
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May 1981; 38 p
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BETA DECAY RADIOISOTOPES, CHROMIUM ISOTOPES, ELECTRON CAPTURE RADIOISOTOPES, EVEN-ODD NUCLEI, FLUID FLOW, HYDROGEN COMPOUNDS, INTERMEDIATE MASS NUCLEI, ISOTOPE APPLICATIONS, ISOTOPES, MANAGEMENT, MEASURING INSTRUMENTS, NUCLEI, OXYGEN COMPOUNDS, RADIATION DETECTORS, RADIOACTIVITY LOGGING, RADIOISOTOPES, SCINTILLATION COUNTERS, SOLID SCINTILLATION DETECTORS, TRACER TECHNIQUES, WASTE DISPOSAL, WASTE MANAGEMENT, WATER, WELL LOGGING
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AbstractAbstract
[en] After an evaluation of the radiation protection techniques employed for field isotope radiography, an intrinsically safe portable radiation shielding unit is presented, with its design criteria and actual performance being discussed. (author)
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Associacao Brasileira de Ensaios Nao Destrutivos, Sao Paulo, SP (Brazil); 1330 p; 1992; p. 664-668; 13. World Conference on Non-Destructive Testing; Sao Paulo, SP (Brazil); 18-23 Oct 1992; Available from the Library of Comissao Nacional de Energia Nuclear, RJ (BR)
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BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, DAYS LIVING RADIOISOTOPES, ELECTRON CAPTURE RADIOISOTOPES, HEAVY NUCLEI, INTERNAL CONVERSION RADIOISOTOPES, IRIDIUM ISOTOPES, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, MATERIALS TESTING, MINUTES LIVING RADIOISOTOPES, NUCLEI, ODD-ODD NUCLEI, RADIOISOTOPES, TESTING, YEARS LIVING RADIOISOTOPES
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AbstractAbstract
[en] The tariff system compatible with the supply and demand evolution characteristics of electric power in Brazil based in economic costs is presented. The main purposes of the tariff politic is consolidated with the National Program of Irrigation. (author)
Original Title
Tarifas de energa eletrica para irrigacao
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Companhia Energetica de Minas Gerais (CEMIG), Belo Horizonte, MG (Brazil); 485 p; 1988; p. 245-257; National Energy Seminary for Irrigation; Belo Horizonte, MG (Brazil); 23-25 Aug 1988; Available from the Nuclear Information Center of Comissao Nacional de Energia Nuclear, RJ, Brazil. (F-9012)
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Oliveira Silva, J.A. de; Costas, J.E.G.
Associacao Brasileira de Ensaios Nao Destrutivos, Sao Paulo, SP (Brazil)1990
Associacao Brasileira de Ensaios Nao Destrutivos, Sao Paulo, SP (Brazil)1990
AbstractAbstract
[en] A portable shield equipment using gamma rays for industrial radiography is described. This equipment was developed for reducing the damage occured by the use of radioactive materials. (C.G.C.)
Original Title
O emprego de blindagens portateis - Gammashield em radiografia industrial
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1990; 11 p; 10. Annual Congress on Non Destructive Testing; Salvador, BA (Brazil); 23-26 Sep 1988
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Silva, J.A.; Mota, M.F.; Laborde, H.M.; Barbosa, A.S.; Rodrigues, M.G.F.
Associacao Brasileira de Ceramica (ABC), Sao Paulo, SP (Brazil)2010
Associacao Brasileira de Ceramica (ABC), Sao Paulo, SP (Brazil)2010
AbstractAbstract
No abstract available
Original Title
Preparacao e caracterizacao de argila organofilica a partir da argila verde-lodo e do sal quaternario de amonio cloreto de alquil dimetil benzil amonio
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2010; [1 p.]; 54. Brazilian congress on ceramics; 54. Congresso brasileiro de ceramica; Foz do Iguacu, PR (Brazil); 30 May - 2 Jun 2010
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Galindo, V.; Senateur, J.P.; Alves, E.; Silva, R.C. da; Silva, J.A.; Cruz, M.M.; Godinho, M.; Casaca, A.; Bonfait, G.
LMGP-ENSPG, Saint Martin d'Heres (France)1999
LMGP-ENSPG, Saint Martin d'Heres (France)1999
AbstractAbstract
[en] YBaCuO/PrBaCuO multilayers have been grown by a new Pulsed Injection MO-CVD method, based on microdroplets injection of the organic precursors. The x-ray rocking curves show that the FWHM is about 0.6c, comparable to the values obtained for pure YBaCuO films. The RBS results show also a good crystallinity through the whole thickness. Critical currents, irreversibility lines and pinning energies are similar to those measured in multilayers obtained by other techniques
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International Conference on Physics and Chemistry of Molecular and Oxide Superconductors, MOS'99; Stockholm (Sweden); 28 Jul - 2 Aug 1999
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Journal Article
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Mota, M.F.; Silva, J.A.; Silva, V.J.; Rodrigues, M.G.F.; Silva, F.M.
Associacao Brasileira de Ceramica (ABC), Sao Paulo, SP (Brazil)2010
Associacao Brasileira de Ceramica (ABC), Sao Paulo, SP (Brazil)2010
AbstractAbstract
No abstract available
Original Title
Sintese e caracterizacao de argila organofilica a partir da argila verde-lodo in natura
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2010; [1 p.]; 54. Brazilian congress on ceramics; 54. Congresso brasileiro de ceramica; Foz do Iguacu, PR (Brazil); 30 May - 2 Jun 2010
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Oliveira, B.M.; Silva, J.A.; Mattioli, M.A.P.; Smolka, M.B.; Novello, J.C.; Marangoni, S.
31. Annual meeting of the Brazilian Society on Biochemistry and Molecular Biology. Program and abstracts2002
31. Annual meeting of the Brazilian Society on Biochemistry and Molecular Biology. Program and abstracts2002
AbstractAbstract
No abstract available
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Source
Sociedade Brasileira de Bioquimica e Biologia Molecular (SBBq), Sao Paulo, SP (Brazil); 257 p; 2002; p. 161; 31. Annual meeting of the Brazilian Society on Biochemistry and Molecular Biology; 31. Reuniao anual da Sociedade Brasileira de Bioquimica e Biologia Molecular; Caxambu, MG (Brazil); 18-21 May 2002; Available from the Library of the Brazilian Nuclear Energy Comission, Rio de Janeiro; Code: N-13
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Mattioli, M.A.P.; Silva, J.A.; Smolka, M.B.; Baldasso, P.A.; Novello, J.C.; Marangoni, S.
31. Annual meeting of the Brazilian Society on Biochemistry and Molecular Biology. Program and abstracts2002
31. Annual meeting of the Brazilian Society on Biochemistry and Molecular Biology. Program and abstracts2002
AbstractAbstract
No abstract available
Primary Subject
Source
Sociedade Brasileira de Bioquimica e Biologia Molecular (SBBq), Sao Paulo, SP (Brazil); 257 p; 2002; p. 165; 31. Annual meeting of the Brazilian Society on Biochemistry and Molecular Biology; 31. Reuniao anual da Sociedade Brasileira de Bioquimica e Biologia Molecular; Caxambu, MG (Brazil); 18-21 May 2002; Available from the Library of the Brazilian Nuclear Energy Comission, Rio de Janeiro; Code: N-38
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