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72,260 research outcomes, page 1 of 7,226
  • publication . Article . 2018
    Open Access Spanish; Castilian
    Authors:
    Torres, Maria Gabriela; Rubinstein, Nora Alicia; Meissl, Estela;
    Publisher: Asociación Geológica Argentina

    El yacimiento El Pachón es un depósito tipo pórfido de cobre-molibdeno ubicado al suroeste de la provincia de San Juan, en la Cordillera Principal, limítrofe con Chile. Está emplazado en una secuencia volcánica formada por andesitas y riolitas-riodacitas de edad cretáci...

  • publication . Article . 2019
    Open Access English
    Authors:
    Cremonte, Maria Beatriz; Otero, Clarisa; Ochoa, Pablo Adolfo; Scaro, Agustina;
    Publisher: Syllaba Press International Inc.

    El Imperio Incaico operó con un conjunto versátil de políticas que respondían a las diversas condiciones locales y, en consecuencia, el mismo estaba compuesto de un mosaico de paisajes diferentes. En los sectores central y centro-sur de la Quebrada de Humahuaca, en el n...

  • publication . Article . 2005
    Open Access English
    Authors:
    Romano, Carla Lidia; Ulloa, S .E.; Tamborenea, Pablo Ignacio;
    Publisher: American Physical Society

    We investigate theoretically how the spin-orbit Dresselhaus and Rashba effects influence the electronic structure of quasi-one-dimensional semiconductor quantum dots, similar to those that can be formed inside semiconductor nanorods. We calculate electronic energy level...

  • publication . Article . 2008
    Open Access Spanish; Castilian
    Authors:
    Nabel, Paulina Esther; Becerra Serial, Rodrigo Martín;
    Publisher: Sociedad Geológica de Méxicana

    La ciudad de Buenos Aires se encuentra emplazada en una zona de llanura con muy baja pendiente regional. El reconocimiento de la geomorfología en este tipo de ambientes urbanos se torna particularmente difi cultoso, pues los rasgos geomórfi cos han sido suavizados u obl...

  • publication . Article . 2017
    Open Access Portuguese
    Authors:
    Payne, Leigh A; Pereira, Jose Roberto Gabriel; Doz Costa, Josefina; Bernal Bermudez, Laura;
    Publisher: Homa - Human Rights and Business Centre

    Although the definition and purpose of transitional justice (TJ) does not preclude the inclusion of non-state business actors? involvement in past authoritarian state or armed conflict violence, these types human rights violations (HRVs) are not included in formal TJ ma...

  • publication . Article . 2017
    Open Access
    Authors:
    María Cintia Piccolo; María Belén Alfonso; Josefina Zunino;
    Publisher: EDP Sciences

    La Salada is a shallow saline lake located in the SW of the Pampas subject to significant water management, so the primary objective was to assess whether the water input and physicochemical parameters have an impact on the plankton assemblages over a two year period (2...

  • publication . Article . 2013
    Open Access Spanish; Castilian
    Authors:
    Nogar, María Luciana; Nogar, Ada Graciela; Jacinto, Guillermina Paula;
    Publisher: Universidade do Vale do Rio dos Sinos. Escola de Humanidades

    La historia agroproductiva ambiental pampeana se adscribe a la explotación de los recursos naturales que han articulado los ciclos de producción dominantes desde fines del siglo XIX. La acción productiva sobre los territorios rurales pampeanos introdujo efectos ambienta...

  • publication . Article . Other literature type . 2018
    Open Access English
    Authors:
    Ş. Kuru; Javier Negro; Lucas Sourrouille;
    Publisher: IOP Publishing

    We characterize the confinement of massless Dirac electrons under axially symmetric magnetic fields in graphene, including zero energy modes and higher energy levels. In particular, we analyze in detail the Aharonov-Casher theorem, on the existence of zero modes produce...

  • publication . Article . Preprint . 2012
    Open Access
    Authors:
    Marisa Gutierrez; Glenn Hurlbert; Liliana Alcón;
    Publisher: Society for Industrial & Applied Mathematics (SIAM)

    Graph pebbling is a network optimization model for transporting discrete resources that are consumed in transit: the movement of two pebbles across an edge consumes one of the pebbles. The pebbling number of a graph is the fewest number of pebbles t so that, from any in...

  • publication . Article . 2016
    Open Access
    Authors:
    Rafael I. González; Jose Mella; Miguel Kiwi; Kang Pyo So; Ju Li; Felipe J. Valencia; Adri C. T. van Duin; Eduardo M. Bringa;
    Publisher: AIP Publishing

    The improvement of radiation resistance in nanocomposite materials is investigated by means of classical reactive molecular dynamics simulations. In particular, we study the influence of carbon nanotubes (CNTs) in an Ni matrix on the trapping and possible outgassing of ...

72,260 research outcomes, page 1 of 7,226