Navegação Ciências Exatas e da Terra por Título

Resultados 2735-2754 de 5964

    • Ĵigo : um editor de objetos de aprendizagem de temas de Ciência, Tecnologia e Sociedade (CTS) 

      Eichler, Marcelo Leandro; Del Pino, Jose Claudio (2014) [Artigo de periódico]
      No Brasil e no Mundo, é notável a ampliação da produção de conteúdos digitais na forma de objetos de aprendizagem, porém ainda são raros os objetos de aprendizagem construídos tirando proveito das características excepcionais ...

    • Jogos lógicos de tabuleiro : como instrumento pedagógico e recreativo para todas as idades 

      Giordani, Liliane Ferrari; Ribas, Renato Perez (2016) [Artigo de periódico]

    • Jogos lógicos de tabuleiro : imersão no território escolar 

      Giordani, Liliane Ferrari; Ribas, Renato Perez (2015) [Artigo de periódico]
      Este artigo analisa os dados da primeira fase da pesquisa Jogos Lógicos de Tabuleiro: imersão no território escolar, que propõe um estreito vínculo entre a extensão universitária e o ensino na promoção de encontros de ...

    • J-PLUS : a catalogue of globular cluster candidates around the M 81/M 82/NGC 3077 triplet of galaxies 

      Chies-Santos, Ana Leonor; Souza, Rafael da Silva de; Caso, Juan Pablo; Ennis, Ana; Souza , Camila P. E. de; Barbosa, Renan S.; Chen, Peng; Cenarro, Andres Javier; Ederoclite, Alessandro; Cristóbal-Hornillos, David; Hernández-Monteagudo, Carlos; López-Sanjuan, Carlos; Marín-Franch, Antonio; Moles Villamate, Mariano; Varela, Jesús; Vázquez Ramió, Héctor; Dupke, Renato de Alencar; Sodre Junior, Laerte; Angulo, Raúl E. (2022) [Artigo de periódico]
      Globular clusters (GCs) are proxies of the formation assemblies of their host galaxies. However, few studies exist targeting GC systems of spiral galaxies up to several effective radii. Through 12-band Javalambre Photometric ...

    • J-PLUS : analysis of the intracluster light in the Coma cluster 

      Jiménez-Teja, Yolanda; Chies-Santos, Ana Leonor; Vázquez Ramió, Héctor (2019) [Artigo de periódico]
      Context. The intracluster light (ICL) is a luminous component of galaxy clusters composed of stars that are gravitationally bound to the cluster potential, but do not belong to the individual galaxies. Previous studies of ...

    • J-PLUS: a wide-field multi-band study of the M 15 globular cluster : evidence of multiple stellar populations in the RGB 

      Bonatto, Charles Jose; Chies-Santos, Ana Leonor; Schoenell, William (2019) [Artigo de periódico]
      Context. As a consequence of internal and external dynamical processes, Galactic globular clusters (GCs) have properties that vary radially. Wide-field observations covering the entire projected area of GCs out to their ...

    • J-PLUS : detecting and studying extragalactic globular clusters 

      Silva, Danielle de Brito; Chies-Santos, Ana Leonor; Angulo, Raúl E. (2022) [Artigo de periódico]
      Context. Extragalactic globular clusters (GCs) are key objects in studies of galactic histories. The advent of wide-field surveys, such as the Javalambre Photometric Local Universe Survey (J-PLUS), offers new possibilities ...

    • J-PLUS : identification of low-metallicity stars with artificial neural networks using SPHINX 

      Whitten, Devin; Chies-Santos, Ana Leonor; Vázquez Ramió, Héctor (2019) [Artigo de periódico]
      Context. We present a new methodology for the estimation of stellar atmospheric parameters from narrow- and intermediate-band photometry of the Javalambre Photometric Local Universe Survey (J-PLUS), and propose a method ...

    • J-PLUS : impact of bars on quenching timescales in nearby green valley disc galaxies 

      Nogueira-Cavalcante, João Paulo; Chies-Santos, Ana Leonor; Tempel, Elmo (2019) [Artigo de periódico]
      Context. Between the blue cloud and the red sequence peaks on the galaxy colour–magnitude diagram there is a region sparsely populated by galaxies called the green valley. In a framework where galaxies mostly migrate on ...

    • J-PLUS : measuring Hα emission line fluxes in the nearby universe 

      Logroño-García, Rafael; Chies-Santos, Ana Leonor; Sodre Junior, Laerte (2019) [Artigo de periódico]
      n this paper we aim to validate a methodology designed to obtain Hα emission line fluxes from J-PLUS photometric data. J-PLUS is a multi narrow-band filter survey carried out with the 2 deg2 field of view T80Cam camera, ...

    • J-PLUS : morphological star/galaxy classification by PDF analysis 

      López San Juan, Carlos; Chies-Santos, Ana Leonor; Sodre Junior, Laerte (2019) [Artigo de periódico]
      Aims. Our goal is to morphologically classify the sources identified in the images of the J-PLUS early data release (EDR) as compact (stars) or extended (galaxies) using a dedicated Bayesian classifier. Methods. J-PLUS ...

    • J-PLUS : on the identification of new cluster members in the double galaxy cluster A2589 and A2593 using PDFs 

      Molino, Alberto; Chies-Santos, Ana Leonor; Dupke, Renato de Alencar (2019) [Artigo de periódico]
      Aims. We aim to use multiband imaging from the Phase-3 Verification Data of the J-PLUS survey to derive accurate photometric redshifts (photo-z) and look for potential new members in the surroundings of the nearby galaxy ...

    • J-PLUS : the Javalambre Photometric Local Universe Survey 

      Cenarro, Andres Javier; Bonatto, Charles Jose; Chies-Santos, Ana Leonor; Vilchez, Jose M. (2019) [Artigo de periódico]
      The Javalambre Photometric Local Universe Survey (J-PLUS ) is an ongoing 12-band photometric optical survey, observing thousands of square degrees of the Northern Hemisphere from the dedicated JAST/T80 telescope at the ...

    • J-PLUS : two-dimensional analysis of the stellar population in NGC 5473 and NGC 5485 

      San Roman, Izaskun; Chies-Santos, Ana Leonor; Sodre Junior, Laerte (2019) [Artigo de periódico]
      Context. The spatial variations of stellar population properties within a galaxy are intimately related to their formation process. Therefore, spatially resolved studies of galaxies are essential to uncover their formation ...

    • J/(psi) suppression in electro-and hadroproduction : a conventional physics explanation 

      Doncheski, M.A.; Gay Ducati, Maria Beatriz; Halzen, Francis (1994) [Artigo de periódico]
      Having in mind the importance of the phenomenon for the search for the quark-gluon plasma in the collision of heavy nuclei, we study the suppression of J/Ψ production in leptoproduction and hadroproduction on heavy nuclear ...

    • Juice test for identification of nonerosive reflux disease in heartburn patients 

      Fernandes, Michel Ribeiro; Oliveira, Marina de; Callegari-Jacques, Sidia Maria; Gonçalves, Gissele Vargas da Rosa; Fornari, Fernando (2018) [Artigo de periódico]
      Background/Aims Evaluation of esophageal clearance by orange juice swallowing could be useful to identify different categories of gastroesophageal reflux disease. We determined whether a juice test at the beginning of ...

    • Julia sets are uniformly perfect 

      Mane, Ricardo; Rocha, Luiz Fernando Carvalho da (1992) [Artigo de periódico]
      We prove that Julia sets are uniformly perfect in the sense of Pommerenke (Arch. Math. 32 (1979), 192-199). This implies that their linear density of logarithmic capacity is strictly positive, thus implying that Julia sets ...

    • Just-in-time teaching para o ensino de Física e Ciências : uma revisão sistemática da literatura 

      Ribeiro, Bruna Schons; Souza, Leonardo Alencastro Vanin Dutra de; Lapa, Isadora Horn; Pires, Fernando Shinoske Tagawa de Lemos; Pastorio, Dioni Paulo (2022) [Artigo de periódico]
      Apresenta-se neste trabalho uma Revisão Sistemática da Literatura acerca da metodologia ativa de ensino Just-in-Time Teaching empregada dentro das subáreas Ensino de Física e Educação em Ciências. Após seleção de 123 ...

    • J/ψ elliptic and triangular flow in Pb-Pb collisions at √sNN= 5.02 TeV 

      Acharya, Shreyasi; Gay Ducati, Maria Beatriz; Pereira, Luis Gustavo; Pezzi, Rafael Peretti; ALICE Collaboration (2020) [Artigo de periódico]
      The inclusive J/ψ elliptic (v2) and triangular (v3) flow coefficients measured at forward rapidity (2.5 < y < 4) and the v2 measured at midrapidity (|y| < 0.9) in Pb-Pb collisions at at √sNN = 5.02 TeV using the ALICE ...

    • J/ψ elliptic flow in Pb-Pb collisions at √sNN=5.02 TeV 

      Acharya, Shreyasi; Gay Ducati, Maria Beatriz; Pereira, Luis Gustavo; Pezzi, Rafael Peretti; ALICE Collaboration (2017) [Artigo de periódico]
      We report a precise measurement of the J=ψ elliptic flow in Pb-Pb collisions at p ¼ 5.02 TeV with the ALICE detector at the LHC. The J=ψ mesons are reconstructed at midrapidity (jyj < 0.9) in the dielectron decay channel ...