Browsing Exact and Earth Sciences by Title
Now showing items 2778-2797 of 5964
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Kondo-like behavior and GMR effect in granular Cu90Co10 microwires
(2017) [Journal article]We observed a significant increase of the giant magnetoresistance (GMR) effect (up to 32% after the adequate annealing) and Kondo-like behavior in Cu90Co10 glass-coated microwires. Observed enhancement of the GMR effect ... -
Kosterlitz-Thouless and Potts transitions in a generalized XY model
(2014) [Journal article]We present extensive numerical simulations of a generalized XY model with nematic-like terms recently proposed by Poderoso et al. [Phys. Rev. Lett. 106, 067202 (2011)]. Using finite size scaling and focusing on the q = 3 ... -
Kronberger 49 : a new low-mass globular cluster or an unprecedented bulge window
(2012) [Journal article]We employ optical and near-infrared photometry to study the stars in the direction of the star cluster candidate Kronberger 49. The optical color–magnitude diagrams (V, I, and Gunn z photometry obtained with the Galileo ... -
KS 0- and (anti-) Λ- hadron correlations in pp collisions at √ s = 13 TeV
(2021) [Journal article]Two-particle Azimuthal correlations are measured with the ALICE apparatus in pp collisions at s√=13 TeV to explore strangeness- and multiplicity-related effects in the fragmentation of jets and the transition regime between ... -
Labeling the oily core of nanocapsules and lipid-core nanocapsules with a triglyceride conjugated to a fluorescent dye as a strategy to particle tracking in biological studies
(2014) [Journal article]The synthesis of novel fluorescent materials represents a very important step to obtain labeled nanoformulations in order to evaluate their biological behavior. The strategy of conjugating a fluorescent dye with triacylglycerol ... -
Laboratório de empreendedorismo na UFRGS : despertando o interesse dos alunos pela cultura empreendedora
(2017) [Journal article] -
Laboratório de ótica : um curso de caráter formativo
(1989) [Journal article]É descrito um modelo de um curso de laboratório de Física básica de caráter formativo, cujos temas centrais são a dinâmica do procedimento experimental, a interação experiência-teoria, a estrutura lógica e conceitual do ... -
La ciencia como actividad de resolución de problemas : la epistemologia de Larry Laudan y algunos aportes para las investigaciones educativas en ciencias
(2002) [Journal article]En este trabajo se analizan las concepciones epistemológicas de Larry Laudan referidas al desarrollo del conocimiento científico a fin de aportar nuevas cuestiones referidas a las nociones de racionalidad y progreso ... -
La dimension territoriale du développement durable
(2018) [Journal article]Travailler le thème du développement durable est un défi obligatoire pour tous les secteurs de la société, à cause de l'aggravation des problèmes environnementaux et sociaux et de leurs conséquences. L'article analyse les ... -
La enseñanza de conceptos fundamentales de mecánica cuántica a alumnos de graduación en Física
(2014) [Journal article]En este trabajo hemos estudiado la adquisición y retención de conocimiento explícito y las operaciones de pensamiento implícitas en Mecánica Cuántica que han sido hechas por cinco estudiantes de graduación en Física ... -
La formulación de preguntas en el aula de clase : una evidencia de aprendizaje significativo crítico
(2014) [Journal article]En este trabajo se muestran los principales resultados de un estudio que tuvo como propósito valorar la implementación de una propuesta didáctica constituida por diferentes actividades de modelación computacional haciendo ... -
Land use changes after the period commodities rising price in the Rio Grande do Sul State, Brazil
(2017) [Journal article]At the end of the 20th and early 21st century, agricultural systems incorporated definitively a new mission: to generate goods for a world population that continues to grow and whose way of life demand food with low ... -
Langevin dynamics of fluctuation-induced first-order phase transitions : self-consistent Hartree approximation
(2007) [Journal article]The Langevin dynamics of a system with a scalar-order parameter exhibiting a fluctuation-induced firstorder phase transition is solved within the self-consistent Hartree approximation. Competition between interactions on ... -
Langevin simulations of model for ultrathin magnetic films
(2007) [Journal article]We show results from simulations of the Langevin dynamics of a two-dimensional scalar model with competing interactions for ultrathin magnetic films. We find a phase transition from a high temperature disordered phase to ... -
Langevin simulations of stripe forming systems with long-range isotropic competing interactions
(2016) [Journal article]We address the critical properties of the isotropic-nematic phase transition in stripe forming systems. We focus on isotropic models in which a short range attractive interaction competes with a long range repulsive ... -
La nueva economía metropolitana y sus impactos urbanos y regionales
(2020) [Journal article] -
Laparoscopy versus laparotomy for benign ovarian tumour
(2009) [Journal article]Background: Over the last 10 years laparoscopy and minilaparotomy have become increasingly common approaches for the surgical removal of benign ovarian tumours. However, in the event that a tumour is found to be malignant, ... -
Laparoscopy versus laparotomy for benign ovarian tumours (Review)
(2005) [Journal article]Background: Over the last ten years laparoscopy and minilaparotomy have become increasingly common approaches for the surgical removal of benign ovarian tumours. However in the event that a tumour is found to be malignant, ... -
Large amplitude oscillations in a trapped dissipative electron gas
(2018) [Journal article]A collisional trapped non-neutral plasma is described by a hydrodynamical model in onedimensional geometry. For suitable initial conditions and velocity fields, the Lagrangian variables method reduces the pressure dominated ... -
Large deviations for equilibrium measures and selection of subaction
(2018) [Journal article]Given a Lipschitz function f : {1, . . . , d}N → R, for eachβ > 0 we denote by μβ the equilibrium measure of β f and by hβ the main eigenfunction of the Ruelle Operator Lβ f . Assuming that {μβ}β>0 satisfy a large deviation ...