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AutorCordova-Lepe, Fernando (4)García-González, Rolando (4)Sanhueza, Susan (4)Rasse-Figueroa, Alejandra (3)Santelices-Moya, Rómulo (3)Arencibia-Rodríguez, Ariel (2)Buvinic-Martinich, Marcos (2)Carrasco, Basilio (2)Castillo Retamal, Franklin (2)Castillo-Montecinos, Iván (2)... másMateriaChile (5)Diversity (3)Educación (3)Education (3)Impulsive differential equations (3)Schools (3)Stability (3)Teachers (3)Competitiveness (2)Diversidad (2)... másFecha
2012 (81)

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Mostrando publicaciones 11-20 de 81

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La economía de las familias mapuches rurales: De la cuestión de la tierra a la diversificación de fuentes de rentas 

Quiñones Diáz, Ximena (2012)
La poblacion rural mapuche, localizada fundamentalmente en la region de La Araucania, constituye uno de los segmentos sociales que actualmente mantiene mayores tasas de incidencia de la pobreza en Chile. Las politicas ...
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Structural characterization and dielectric properties of the solid solutions AgPb(Sb,Bi)S3 

Galdámez, Antonio; López-Vergara, Fernanda; Barahona-Huenchumil, Patricia; Manríquez, Victor; Ávila, Ricardo E. (2012)
The new solid solutions AgPbSb1−xBixS3 were prepared by solid state reactions. The phases were characterized by powder X-ray diffractions (XRD), scanning electron microscopy, and thermal analysis. The XRD patterns of ...
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Colloidal carbon stimulation of Kupffer cells triggers Nrf2 activation in the isolated perfused rat liver 

Núñez, Bárbara; Vargas, Romina; Castillo-Montecinos, Iván; Videla, Luis A. (2012)
Activation of transcription factor Nrf2 was investigated in the isolated perfused rat liver infused with 0.5 mg of colloidal carbon (CC)/ml for 5–15 min to stimulated Kupffer cell function. Infusion of CC enhanced liver ...
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Modeling pulse infectious events irrupting into a controlled context: A SIS disease with almost periodic parameters 

Robledo, Gonzalo; Cordova-Lepe, Fernando; Pinto, Manuel; González-Olivares, Eduardo (2012)
A new epidemic model of seasonal/cyclical pulse contagions of an infectious disease is introduced: a population with a controlled infectious disease is perturbed by a sequence of pulse infectious events arising from the ...
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A new class of differential equations with impulses at instants dependent on preceding pulses. Applications to management of renewable resources 

Cordova-Lepe, Fernando; Pinto, Manuel; González-Olivares, Eduardo (2012)
In this paper, a new type of mathematical model to represent certain processes with impulsive dynamic behavior is introduced. The main assumption is that the next impulse time is determined by three fundamental elements: ...
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A pulse fishery model with closures as function of the catch: Conditions for sustainability 

Cordova-Lepe, Fernando; Del Valle-Salamanca, Rodrigo; Robledo, Gonzalo (2012)
We present a model of single species fishery which alternates closed seasons with pulse captures. The novelty is that the length of a closed season is determined by the remaining stock size after the last capture. The ...
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Evaluación de la práctica docente en la reforma educacional chilena 

Paukner-Nogués, Fraño; Sanhueza, Susan; San Martín Ramírez, Víctor (2012)
El trabajo tiene como propósito conocer la percepción del profesorado sobre la Reforma Educativa en Chile y sus efectos en el programa de Lenguaje y Comunicación para cuarto medio (educación secundaria). Se trata de una ...
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Predictors of exposure to organophosphate pesticides in schoolchildren in the Province of Talca, Chile 

Muñoz-Quezada, María Teresa; Iglesias, Verónica; Lucero-Mondaca, Boris; Steenland, Kyle; Barr, Dana B.; Levy, Karen; Barry Ryan, P.; Alvarado, Sergio; Concha, Carlos (2012)
Background: Few data exist in Latin America concerning the association between organophosphate (OP) urinary metabolites and the consumption of fruits and vegetables and other exposure risk variables in schoolchildren. ...
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Management flowering ability to increase efficiency in the sugarcane breeding program 

Caraballoso, Víctor; Jorge, Héctor; García, Héctor; González, Alberto; Bernal, Norge; Céspedes, Arián; Rodríguez, Reynaldo; Puchades, Yaquelin; Arencibia-Rodríguez, Ariel (2012)
Flowering abilities (panicles initiation period, flowering intensity and pollen fertility) at different altitudes (100, 400, 800 m above sea level) were evaluated in hundred sugarcane cultivars. Flowering data and ...
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Are organo-mineral complexes and allophane content determinant factors for the carbon level in Chilean volcanic soils? 

Garrido-Gutiérrez, Estrella; Matus, Francisco (2012)
The existing information on soil carbon (C) stabilisation in allophanic soils is conflicting because active Al3+ and sesquioxides (i.e., the oxides/hydroxides of Al and Fe) as a stabilising agent of soil C are emphasised ...
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Sistema de Bibliotecas de la Universidad Católica del Maule, 2017
Campus San Miguel, Talca. Teléfono (56) (71) 2-203 359
Campus Nuestra Señora del Carmen, Curicó. Teléfono (56) (75) 2203 111
Campus San Isidro, Los Niches. Teléfono (56) (75) 2203 617