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Nomenclatura Unesco > (23) Química > (2303) Química inorgánica > (2303.18) Metales

Mostrando recursos 1 - 20 de 20.907

1. Filmes de metal-hexacianoferrato: uma ferramenta em química analítica - Mattos,Ivanildo Luiz de; Gorton,Lo
Chemically modified electrodes based on hexacyanometalate films are presented as a tool in analytical chemistry.

2. Effect of Oxygen on Ni-Silicided FUSI Metal Gate - Yu, H.P.; Pey, Kin Leong; Choi, Wee Kiong; Chi, D.Z.; Fitzgerald, Eugene A.; Antoniadis, Dimitri A.
Continual evolution of the CMOS technology requires thinner gate dielectric to maintain high performance.

3. Metal Distribution in Sediments from the Ribeira Bay, Rio de Janeiro - Brazil - Cardoso,André G. A.; Boaventura,Geraldo R.; Silva Filho,Emmanoel V.; Brod,José A.
With respect to Al, metals were classified as strongly correlated, correlated, inversely correlated and non-correlated.

4. La incorporación de metales pesados en las bacterias y su importancia para el ambiente - Paula Suárez; Rosa Reyes
Revisión que busca esclarecer los mecanismos de entrada de metales en las bacterias y la importancia toxicológica de dichos metales.

5. A FTIR study of the metal-support interactions and hydrogen spillover on Pd/TiO2 and Ni/TiO2 - FACCIN,Flávio; GUEDES,Fabiana Flores; BENVENUTTI,Edilson Valmir; MORO,Celso Camilo
Nickel and palladium dispersed on titania support were submitted to reductive treatment, under hydrogen, at 200 and 500 ºC.

6. Influence of metal ions on pellet morphology and polygalacturonase synthesis by Aspergillus niger 3T5B8 - Couri,Sônia; Pinto,Gustavo Adolfo Saavedra; Senna,Lilian Ferreira de; Martelli,Hebe Labarthe
The effects of cations addition on pellet morphology and polygalacturonase (PG) synthesis by Aspergillus niger 3T5B8 were studied and compared with a control system.

7. Estudo teórico de característica elétrica de contato schottky não íntimo metal-isolante amorfo e estrutura metal-isolante-metal - Marta Bueno de Moraes
No presente trabalho foi desenvolvida uma teoria de característica elétrica da estrutura metal-isolante-metal considerando uma camada fina de óxido entre o metal e o isolante, sendo o óxido um outro isolante de banda de energia proibida mais larga.

8. Metal induced gap states at alkali halide/metal interface - Kiguchi, Manabu; Yoshikawa, Genki; Ikeda, Susumu; Saiki, Koichiro
The electronic state of a KCl/Cu(0 0 1) interface was investigated using the Cl K-edge near-edge X-ray absorption fine structure (NEXAFS).

9. O metal na arquitetura contemporânea paraibana 1990-2002 - Ana Laura de Freitas Rosas Brito
Esta é uma pesquisa sobre a arquitetura contemporânea da cidade de João Pessoa, capital da Paraíba, e que analisa a utilização do metal, especificamente o aço e o alumínio, na composição da produção edilícia entre os anos de 1990 e 2002, período de significativo crescimento dessa utilização.

10. La incorporación de metales pesados en las bacterias y su importancia para el ambiente - Paula Suárez; Rosa Reyes
Investigación realizada para esclarecer los mecanismos de entrada de metales en las bacterias y la importancia toxicológica de dichos metales.

11. Fracture toughness in metal matrix composites - Perez Ipiña,J.E.; Yawny,A.A.; Stuke,R.; Gonzalez Oliver,C.
The application of Elastic Plastic Fracture Mechanics is discussed and the obtained values are compared with the ones obtained by means of Linear Elastic Fracture Mechanics.

12. Poly-Siâ??â??xGex Film Growth for Ni Germanosilicided Metal Gate - Yu, Hongpeng; Pey, Kin Leong; Choi, Wee Kiong; Fitzgerald, Eugene A.; Antoniadis, Dimitri A.
Scaling down of the CMOS technology requires thinner gate dielectric to maintain high performance.

13. Review of Direct Metal Bonding for Microelectronic Interconnections - Zhang, G.G.; Wong, Chee Cheong
Direct metal bonding methods, which include thercomsonic and thermocompression bonding, offer remarkable advantages over soldering and adhesives joining.

14. Review Article: recent advances in metal-ceramic brazing - Nascimento,R. M. do; Martinelli,A. E.; Buschinelli,A. J. A.
Metal-ceramic joining has slowly but steadily become an important manufacturing step.

15. Determination of CTODC in Fibre Metal Laminates by ASTM and Schwalbe Methods - Castrodeza,E.M.; Rodrigues Touça,J.M.; Perez Ipiña,J.E.; Bastian,F.L.
Fibre Metal Laminates (FMLs) have arisen as a demand of the aeronautical industry to use thin sheets with high resistance to fatigue crack growth, high damage tolerance, corrosion resistance and high specific strength.

16. Non-linear analysis of laminated metal matrix composites by an integrated micro/macro-mechanical model - Ávila,Antonio Ferreira; Krishina,Tamma Kumar
The present paper describes an integrated micro/macro mechanical study of the elastic-viscoplastic behavior of unidirectional metal matrix composites (MMC).

17. Polycrystalline silicon films and thin-film transistors using solution-based metal-induced crystallization - Meng, Zhiguo; Zhao, Shuyun; Wu, Chunya; Zhang, Bo; Wong, Man
Polycrystalline silicon (poly-Si) films consisting of dish-like and wadding-like domains were obtained with solution-based metal-induced crystallization (SMIC) of amorphous silicon.

18. Mechanical fabrication of metal nano contacts showing conductance quantization under electrochemical potential control - Kiguchi, Manabu; Konishi, Tatsuya; Miura, Shinichi; Murakoshi, Kei
We have mechanically fabricated Ni and Cu nano constrictions in solution, and studied their electrical conductance under the electrochemical potential control.

19. Um estudo comparado de competitividade em empresas do setor metal mecânico do Vale do Rio dos Sinos - Cleber Fontoura de Oliveira
Este estudo teve por objetivo analisar o setor metal mecânico do Vale do Rio do Sinos no Estado do Rio Grande do Sul, avaliando sua competitividade.

20. Lixiviación de metales con ozono acuoso. Cinética de la plata y el oro. Aplicaciones. - Juan Morera, Eulàlia
La presente tesis se inscribe dentro de una línea de investigación cuyo objetivo es el estudio de los fundamentos y de la aplicabilidad técnica de la lixiviación selectiva de metales con ozono acuoso.

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