Browsing Producción Académica by Title
Now showing items 653-672 of 1344
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H2 control and filtering of discrete-time lpv systems exploring statistical information of the time-varying parameters
(2020)This paper introduces a new strategy to improve performance in gain-scheduled control and filtering for LPV systems exploiting statistical information about the time-varying parameters whenever available. The novelty of ...
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H2 gain-scheduled design subject to inexact measurements: performance comparison of two models for additive uncertainty
(2019)This paper investigates the problem of H2 gain-scheduled design (control and filtering) for LPV systems where the scheduling parameters are affected by additive noises. The purpose is to analyze the impact on the H2 ...
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Habilidades profesionales asociadas a la docencia. Fijando posiciones de profesores en formación
(2018)La investigación tiene por novedad aproximarse a la profesionalidad que se construye en el interior de la personalidad del profesor en formación, utilizando la metáfora de la “posición” para hacer visibles y poner en tela ...
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Hand grip strength and maximum peak expiratory flow: determinants of bone mineral density of adolescent students
Cossio-Bolaños, Marco Antonio
; ; ; ; ; (2018)
Background: Maintaining and building healthy bones during the lifetime requires a complicated interaction between a number of physiological and lifestyle factors. Our goal of this study was to analyze the association between ...
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Harvest labor quality and productivity: Case study of cherry growing in Chile
Adasme-Berríos, Cristian; ; ; ; (2015)
In Chile, the cherry tree has been one of the fastest growing and most profitable crops in the last ten years. However, increasing production costs, the scarcity of hired labor, and unfavorable exchange rates have reduced ...
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¿Hay que formar a los docentes en políticas educativas?
Ferrada, Donatila; ; (2018)
Esta investigación da cuenta de la formación inicial docente en política educativa por medio de la construcción de cinco estudios de casos situados en la región del Biobío, Chile. Tres de ellos con actores de la formación ...
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Heap-based Algorithms to Accelerate Fingerprint Matching on Parallel Platforms
Barrientos, Ricardo; ; ; ; (2019)
Nowadays, fingerprint is the most used biometric trait for individuals identification. In this area, the state-of-the-art algorithms are very accurate, but when the database contains millions of identities, an acceleration ...
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Heidegger y la biología: Mecanismo y vitalismo en los conceptos fundamentales de la metafísica. Mundo, finitud y soledad (1929/30) de Martin Heidegger
(2015)El presente artículo busca reconstruir la discusión entre mecanicismo y vitalismo en la que se inserta Heidegger, a partir de algunas de las referencias explícitas que él hace sobre Wilhelm Roux y Hans Driesch en la lección ...
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Helicobacter pylori infection and lung cancer: New insights and future challenges
; ; Rojas, Armando (2018)
Helicobacter pylori (H. pylori) is the causative agent of chronic gastritis and peptic ulcer diseases and is an important risk factor for the development functional dyspepsia, peptic ulceration, gastric adenocarcinoma and ...
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Hemoglobin concentration and resilience of professional soccer players residing at sea level and moderate altitude regions
Cossio-Bolaños, Marco Antonio; ; ; ; ; ; ; (2015)
This study compared the hemoglobin (Hb) concentration and resilience of professional soccer players residing at sea level and moderate altitude regions. Subjects included 42 players (22 of the region at sea level and 20 ...
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Hermitean (semi) lattices and Rolf ’s lattice
(2011)We investigate the indexed Hermitean lattice of type 0 generated by a single element a subject to the relation a = a⊥⊥ ≤ b = b⊥⊥. Although the lattice is infinite, we are able to recursively describe its subdirectly ...
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Hernán Rivera Letelier: La pampa salitrera como paradigma poscolonial de la identidad chilena
(2017)El presente artículo propone una breve reflexión crítica de los conceptos subalternidad y poscolonialidad, aplicados sobre la llamada literatura de la pampa chilena, misma que debe ser entendida a partir de un imaginario ...
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Heterogeneous genetic structure in a natural population of Raulí (Nothofagus nervosa)
(2011)Es común encontrar deficiencias de heterocigotos en poblaciones naturales de especies forestales alógamas, lo cual se explicaría por un aumento del nivel de consanguinidad. Se ha postulado que la consanguinidad es causada ...
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Heuristic parametrization of anisotropic diffusion filtering
; ; ; Barrientos, Ricardo; Mora, Marco ; ; (2019)
The methods of evolutionary computation allow to set optimal values in a space of solutions from a candidate set. In this work, we have used evolutionary methods, for optimal parameters setting of the anisotropic diffusion ...
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Hibridación cultural: aperturas y clausuras epistémicas desde la teoría del pensamiento complejo
(2019)El presente trabajo reflexiona en torno a la posibilidad de apertura desde la teoría de la complejidad (Morín), hacia las perspectivas socio-culturales relacionadas con las Culturas híbridas esbozadas por Néstor García-Canclini, ...
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High serum levels of Dioxin Like Compounds (DLC) in Non-Hodgkin Lymphoma (NHL) patients
Muñoz-Quezada, María Teresa; ; ; ; ; ; ; (2013)
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High-performance micropropagation of dendroenergetic poplar hybrids in photomixotrophic temporary immersion bioreactors (TIBs)
; Poblete, Mauricio; ; (2017)
By the first time an efficient methodology for micropropagation of poplar hybrids by temporary immersion in liquid medium was developed under photomixotrophic conditions. Influence of factors, such as plant regulator/balance ...
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El hijo del hombre joánico. Una teología del martirio y de la exaltación
Carbullanca Nuñez, César (2012)
El artículo desarrolla las características fundamentales de la cristología joánica del Hijo del hombre y explica los principales aspectos presentes en los dichos relativos a esta fi gura, sosteniendo que estos provienen ...
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Hippocampal memory recovery after acute stress: A behavioral, morphological and molecular study
(2018)Several studies have shown that a single exposure to stress may improve or impair learning and memory processes, depending on the timing in which the stress event occurs with relation to the acquisition phase. However, to ...