Navegação Ciências Exatas e da Terra por Título

Resultados 2587-2606 de 5964

    • Interaction effects on galaxy pairs with Gemini/GMOS- III : stellar population synthesis 

      Krabbe, Angela Cristina; Rosa, Deise Aparecida; Pastoriza, Miriani Griselda; Hägelle, Guillermo Federico; Cardaci, Mónica V.; Dors Júnior, Oli Luiz; Winge, Claudia (2017) [Artigo de periódico]
      We present an observational study of the impacts of interactions on the stellar population in a sample of galaxy pairs. Long-slit spectra in the wavelength range 3440–7300 Å obtained with the Gemini Multi-Object Spectrograph ...

    • Interaction effects on galaxy pairs with Gemini/GMOS – II oxygen abundance gradients 

      Rosa, Deise Aparecida; Dors Júnior, Oli Luiz; Krabbe, Angela Cristina; Hägelle, Guillermo Federico; Cardaci, Mónica V.; Pastoriza, Miriani Griselda; Rodrigues, Irapuan; Winge, Claudia (2014) [Artigo de periódico]
      In this paper, we derive oxygen abundance gradients from HII regions located in 11 galaxies in eight systems of close pairs. Long-slit spectra in the range 4400–7300 Å were obtained with the Gemini Multi-Object Spectrograph ...

    • Interaction fields evaluation in fine particle systems 

      Geshev, Julian Penkov; Schmidt, Joao Edgar (1997) [Artigo de periódico]
      A computer simulation model for estimation of the interaction fields in fine particle systems has been developed. The method uses the experimental 8Mα(H) plot, constructed from the Fourier description of the initial ...

    • Interaction of HfO/sub 2//SiO/sub 2/Si structures with deuterium gas 

      Driemeier, Carlos Eduardo; Miotti, Leonardo; Radtke, Claudio; Gusev, Evgeni P.; Kim, M.J.; Wallace, Robert M. (2006) [Artigo de periódico]
      HfO2 films 2.5 to 12 nm deposited on thermal SiO2 1.5 nm on Si were annealed in deuterium gas at 400–600 °C and incorporated D amounts were quantified using the D 3He, p 4He nuclear reaction.We found 1013 D cm−2 in the ...

    • Interaction of SiC thermal oxidation by-products with SiO2 

      Radtke, Claudio; Stedile, Fernanda Chiarello; Soares, Gabriel Vieira; Krug, Cristiano; Rosa, Elisa Brod Oliveira da; Driemeier, Carlos Eduardo; Baumvol, Israel Jacob Rabin; Pezzi, Rafael Peretti (2008) [Artigo de periódico]
      We investigated oxygen incorporation and exchange during thermal growth of silicon oxide films on silicon carbide. This investigation was carried out in parallel with the thermal growth of silicon oxide films on silicon ...

    • Interactions between large-scale radio structures and gas in a sample of optically selected type 2 quasars 

      Villar-Martín, Montse; Emonts, Bjorn; Cabrera-Lavers, Antonio; Bellocchi, Enrica; Alonso-Herrero, Almudena; Humphrey, Alistair; Oliveira, Bruno Dall'Agnol de; Storchi-Bergmann, Thaisa (2021) [Artigo de periódico]
      Context. The role of radio mode feedback in non radio-loud quasars needs to be explored in depth to determine its true importance. Its effects can be identified based on the evidence of interactions between the radio ...

    • Interactions of trace metals, DOM, and particles in the Amazon estuary and associated plume as key processes for trace metal and DOM fluxes into the Atlantic 

      Koschinsky-Fritsche, Andrea; Frank, Martin; Dittmar, Thorsten; Scholten, Jan; Gledhill, Martha; Hathorne, Ed. C; Border, Evan Cooper; Spiegel, Timo; Vosteen, Paul; Mutzberg, André; Leist, Lisa; Bretschneider, Lisa; Lodeiro, Pablo; Seidel, Michael; Knoke, Melina; Heinrich, Luise; Paul, Sophie Anna Luise; Zitoun, Rebecca; Fronzek, Julia; Schneider, Alexandre Batista; Münch, Jessica; Rezende, Carlos Eduardo de; Oliveira, Bráulio Cherene Brás de; Silva Júnior, Jomar Marques da; Walter, Juline Marta; Nóbrega, Maria Soares; Carvalho, Leandro Machado de; Maguire, Clive; Rohleder, Christian; Peireira, Almir Freire (2018) [Artigo de periódico]

    • Interdependence between training and magnetization reversal in granular Co-CoO exchange bias systems 

      Menéndez Dalmau, Enric; Dias, Thiago; Geshev, Julian Penkov; López-Barberá Martín, José Francisco; Nogués Sanmiquel, Josep; Steitz, Roland; Kirby, Brian J.; Borchers, Julie A.; Pereira, Lino Miguel da Costa; Vantomme, A.; Temst, Kristiaan (2014) [Artigo de periódico]
      The interdependence between training and magnetization reversal in granular Co-CoO exchange bias (EB) systems prepared byOion implantation inCo thin films is demonstrated by polarized neutron reflectometry. While high-fluence ...

    • Interdisciplinaridade e estatística nos dados de escravos sepultados em Porto Alegre (1850-1885) 

      Mello, Leila Inês Pagliarini de; Dalcin, Andréia; Nunes, Luciana Neves (2020) [Artigo de periódico]
      Este artigo apresenta resultados de uma pesquisa de um mestrado profissional no campo da Educação Estatística feita com estudantes do 7º ano em uma escola privada de Canoas-RS. A questão A busca pela compreensão de dados ...

    • A interdisciplinaridade na legislação educacional, no discurso acadêmico e na prática escolar do ensino médio : panaceia ou falácia educacional? 

      Mozena, Erika Regina; Ostermann, Fernanda (2016) [Artigo de periódico]
      O discurso da interdisciplinaridade no Brasil tem sido apropriado por grande parte da legislação educacional desde a década de 70 com o sentido de responsabilizá-la por elevar a educação a patamares superiores de qualidade. ...

    • Um interessante e educativo problema de cinemática elementar aplicada ao trânsito de veículos automotores – a diferença entre 60 km/h e 65 km/h 

      Silveira, Fernando Lang da (2011) [Artigo de periódico]
      Um vídeo educativo do Monash University Accident Research Centre inspira a proposição de um problema de cinemática com um resultado contraintuitivo. A solução do problema tem como pressupostos conhecimentos sobre a aceleração ...

    • Interface dependent plasmon induced enhancement in dye-sensitized solar cells using gold nanoparticles 

      Oliveira, Matheus Costa de; Fraga, André Luis Silveira; Thesing, Anderson; Andrade, Rocelito Lopes de; Ferreira, Jacqueline; Santos, Marcos José Leite (2015) [Artigo de periódico]
      We report a study on plasmon-induced photoelectrochemistry from gold nanoparticles incorporated in dye-sensitized solar cells, assembled in two different configurations: TiO2/Aunanop/Dye and TiO2/Dye/Aunanop. Although the ...

    • Interfaces disciplinares no ensino de ciências : uma perspectiva docente 

      Salgado, Tania Denise Miskinis; Moço, Maria Cecília de Chiara; Silva, Maria Teresinha Xavier (2019) [Artigo de periódico]
      Este artigo analisa, sob o ponto de vista docente, o processo de criação e desenvolvimento da disciplina “Buscando Interfaces Disciplinares no Ensino de Ciências”, oferecida para as Licenciaturas em Ciências Biológicas, ...

    • Interfacial tension of electrolyte solutions 

      Levin, Yan (2000) [Artigo de periódico]
      A theory is presented to account for the increase in surface tension of water in the presence of electrolyte. Unlike the original “grand-canonical” calculation of Onsager and Samaras, which relied on the Gibbs adsorption ...

    • Interferometric monitoring of dip coating 

      Michels, Alexandre Fassini; Menegotto, Thiago; Horowitz, Flavio (2004) [Artigo de periódico]
      Dip-coated films, which are widely used in the coating industry, are usually measured by capacitive methods with micrometric precision. For the first time to our knowledge, we have applied an interferometric determination ...

    • Intermediate-age stars as origin of the low-velocity dispersion nuclear ring in Mrk 1066 

      Riffel, Rogemar André; Storchi-Bergmann, Thaisa; Riffel, Rogério; Pastoriza, Miriani Griselda (2010) [Artigo de periódico]
      We report the first two-dimensional stellar population synthesis in the near-infrared of the nuclear region of an active galaxy, namely, Mrk 1066. We have used integral field spectroscopy with adaptative optics at the ...

    • Intermediate-age stars as the origin of low stellar velocity dispersion nuclear rings : the case of Mrk 1157 

      Riffel, Rogério; Riffel, Rogemar André; Ferrari, Fabricio; Storchi-Bergmann, Thaisa (2011) [Artigo de periódico]
      We have used theGeminiNear-Infrared Integral-Field Spectrograph to map the age distribution of the stellar population in the inner 400 pc of the Seyfert 2 galaxy Mrk 1157 (NGC 591), at a spatial resolution of 35 pc. We ...

    • Intermetallic phases formed during tin implantation into iron and steels 

      Dionisio, Paulo Henrique; Barros Junior, Bernardo A.S. de; Baumvol, Israel Jacob Rabin (1984) [Artigo de periódico]
      The surface layers of pure iron, high-carbon steel and stainless steel, ion implanted with 1 X 1017 Sn+ cm-² , have been characterized by means of 119Sn conversion electrons Mossbauer scattering. The intermetallic phases ...

    • Intermixing between HfO2 and GeO2 films deposited on Ge(001) and Si(001) : role of the substrate 

      Soares, Gabriel Vieira; Krug, Cristiano; Miotti, Leonardo; Bastos, Karen Paz; Lucovsky, Gerald; Baumvol, Israel Jacob Rabin; Radtke, Claudio (2011) [Artigo de periódico]
      Thermally driven atomic transport in HfO2 /GeO2/substrate structures on Ge 001 and Si 001 was investigated in N2 ambient as function of annealing temperature and time. As-deposited stacks showed no detectable intermixing ...

    • Internal and kinetic temperatures of fragments in the framework of a nuclear statistical multifragmentation model 

      Souza, Sergio Ricardo de Azevedo; Carlson, Brett Vern; Donangelo, Raul José; Lynch, William G.; Tsang, M. B. (2015) [Artigo de periódico]
      The agreement between the fragments’ internal and kinetic temperatures with the breakup temperature is investigated using a statistical multifragmentation model, whichmakes no a priori assumption on the relationship between ...