Browsing by Title
Now showing items 1388-1407 of 2951
-
FCS–MPC with nonlinear control applied to a multicell AFE rectifier
(2022)The use of controlled power converters has been extended for high power applications, stacking off-the-shelve semiconductors, and allowing the implementation of, among others, AC drives for medium voltages of 2.3 kV to ... -
Feasibility of the 2-point method for determining the 1-repetition maximum in the bench press exercise
(2018-04)Purpose: This study compared the concurrent validity and reliability of previously proposed generalized group equations for estimating the bench press (BP) 1-repetition maximum (1RM) with the individualized load–velocity ... -
Feasibility of the two-point method for assessing the force-velocity relationship during lower-body and upper-body isokinetic tests
(2019-06)This study aimed to (1) evaluate the shape of the force-velocity (F-V) relationship obtained from different muscles, (2) explore the concurrent validity of the two-point method with respect to the multiple-point method, ... -
El feedback correctivo escrito indirecto en el tratamiento de la concordancia sujeto-verbo en tercera persona singular entre estudiantes de inglés como LE
(2019-12)Este artículo presenta los resultados de un estudio acerca de la efectividad de la corrección indirecta del error escrito o feedback correctivo escrito indirecto, en la promoción del uso preciso de la concordancia sujeto-verbo ... -
Feeding and nutritional ecology of the edible sea urchin Loxechinus albus in the northern Chilean coast
(2008-12)The red sea urchin Loxechinus albus, an economically important species oceurring along the Chilean littoral benthic systems, has been heavily exploited by artisanal fisheries in recent decades. However, basic knowledge of ... -
Feeding ecology of Enteroctopus megalocyathus(Cephalopoda: Octopodidae) in southern Chile
(2008)In this research we studied the diet of Enteroctopus megalocyathus from three principal locations of the octopus fishery (Ancud, Quellón and Melinka) in southern Chile. The gastric contents of 523 individuals, collected ... -
El fenómeno de la contradicción moral en la ética de Dietrich Von Hildebrand
(2022-11)En el contexto de la ética fenomenológica de Dietrich von Hildebrand, se investiga por medio de un análisis bibliográfico documental sobre el fenómeno de la contradicción moral, con el objetivo de llegar a una comprensión ... -
Fiabilidad de los test de condición física relacionados con flexibilidad, fuerza muscular, potencia aeróbica máxima, agilidad y velocidad aplicados en niños y jóvenes entre 11 y 14 años
(2020-11)El propósito de esta investigación fue determinar la fiabilidad de los test de condición física seat and reach, test de salto longitudinal, test course navette, test shuttle run 4 x 10 m y test de velocidad 30 m, ... -
Fiabilidad relativa en la evaluación de la fuerza dinámica en los extensores del tronco en función del rango de movimiento con un Demf en estudiantes universitarios
(2019-08)La evaluación de la fuerza muscular del tronco es importante considerando su función de dar estabilidad a la columna vertebral. Sin embargo, existe poca evidencia científica en relación a metodologías y protocolos de ... -
Ficha CAS-2 y Ficha de Protección Social. Estudio comparativo respecto de las opiniones de jefes(as) de hogar de la comuna de Chiguayante Region del Bio – Bio
(2009-08)Desde el año 2006 a la fecha, en nuestro país se ha implementado un nuevo instrumento de estratificación social, el cual mide el nivel socio-económico de los grupos familiares más vulnerables a nivel nacional. Esta ficha, ... -
Field Survey of the 2018 Sulawesi Tsunami: Inundation and Run-up Heights and Damage to Coastal Communities
(2019-08)On September 28, 2018, a large earthquake and its accompanying tsunami waves caused severe damage to the coastal area of Palu Bay, in the central western part of Sulawesi Island, Indonesia. To clarify the distribution of ... -
Figuras penales relevantes en la responsabilidad funcionaria y su ejecución en materia tributaria
(2015)El funcionario público forma parte del engranaje institucional del Estado, tiene como deber emplear en el ejercicio de su cargo la probidad y legalidad que le encomienda la Constitución de la República como imperativo ... -
Filling biological information gaps of the marine topshell Phorcus sauciatus (Gastropoda: Trochidae) to ensure its sustainable exploitation
(2019-06)Topshells play a pivotal role in intertidal rocky ecosystems and are adapted to harsh thermal and hydric stress. Phorcus sauciatus, a common grazer in the Macaronesian region (Madeira and the Canaries), has rarely been ... -
Filosofía de la educación y pedagogía de la enseñanza en la formación del profesorado. Estudio de caso, percepción del estudiantado
(2020-01)Esta investigación se desarrolla en el contexto educativo de formación del profesorado en la Universidad Católica de la Santísima Concepción, de Chile, tiene como objetivo conocer la percepción del estudiantado de pedagogía ... -
Finite element approximation of the spectrum of the curl operator in a multiply connected domain
(2018-12)In this paper we are concerned with two topics: the formulation and analysis of the eigenvalue problem for the curlcurl operator in a multiply connected domain and its numerical approximation by means of finite elements. ... -
Firm- and country-level attributes as determinants of earnings management: an analysis for Latin American firms
(2018-07)This article analyzes firm- and country-level determinants of the earnings management for a sample of Latin American companies from 1997 to 2015 by using panel data to deal with the endogeneity and heterogeneity problems. ... -
First observations of crustacean zooplankton abundance in nothrm Patagonian rivers
(2015)The zooplankton assemblages present in Chilean lakes are characterized by ahigh abundance of calanoid copepods, but at low species numbers, with maximumabundance and species diversity found at latitudes between 39 and 41°S ... -
First observations of hermaphroditism in the patellid limpet Patella piperata Gould, 1846
(2019-11)Hermaphroditism is thought to be an advantageous strategy common in marine molluscs that exhibit simultaneous, sequential or alternating hermaphroditism. Several species of patellid limpets have previously been shown to ... -
First observations of the aquatic invertebrate fauna in ephemeral Atacama River (22° S, Antofagasta Region, Chile)
(2015)The invertebrate communities of the northern Chilean rivers are characterised by their marked endemism and specificity of their community structure in different basins. The river systems located in the Atacama Desert are ... -
First record and range extension of the twinspot bass Serranus flaviventris (Cuvier, 1829) (Actinopterygii: Perciformes: Serranidae) in the Gulf of Mexico
(2019-01-25)Serranus flaviventris(Cuvier,1829)isacommonspecieswidedistributedanddocumentedinthe Greater Caribbean and South America. Four specimens were captured at 1 m depth in Seybaplaya, Campeche, Mexico, in August and September ...