Browsing A) Producción científica UCSC by Title
Now showing items 601-620 of 1816
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Efecto de Tiempos de Retención Hidráulico de Agua, en un Sistema de Cultivo Experimental de un Paso para Trucha Arcoiris (Oncorhynchus mykiss)
(2008)En un sistema experimental de cultivo de peces se probaron dos tiempos de retención hidráulico, superiores a lo normalmente utilizado, con el objeto de evaluar el efecto que se produce en el crecimiento de truchas arcoiris ... -
Efecto del coaching como estrategia de desarrollo profesional docente a educadoras de párvulos, en el área del lenguaje y la literacidad infantil.
(2018-01)El impacto de un programa de desarrollo profesional de educadoras sobre la calidad del lenguaje y literacidad temprana en salas de pre-kinder y kínder, fueron medidos en 240 preescolares de 48 cursos, en 24 escuelas ... -
Efecto del EDTA sobre la toxicidad del cromo (VI) en el desarrollo larval de Petrolisthes laevigatus (Guérin, 1835)
(2009)Se analizó el desarrollo larval y el crecimiento de Petrolisthes laevigatus en cinco concentraciones de Cr (VI):0 (control), 0,25; 0,5; 1 y 5 mg L-1 de cromo (VI) en agua de mar filtrada y las mismas cinco concentraciones ... -
Efecto del feedback correctivo directo y metalingüistico en el proceso de escritura de una L2 en el contexto escolar: estudio piloto
(2014)Desde los inicios de la investigación en Adquisición de Segundas Lenguas (ASL), los estudios de Feedback Correctivo Escrito (FCE) buscaron respuesta a diversas preguntas en torno al FC y en especial al escrito: las razones ... -
Efecto del parasitismo del isópodo bopírido Ionella agassizi (Isopoda: Epicaridea) sobre la fisiología nutricional del nape Neotrypaea uncinata (Decapoda: Thalassinidea)
(2000)El nape Neotrypaea uncinata se encuentra parasitado en sus branquias por el isópodo Ionella agassizi. Trabajos anteriores han señalado que I. agassizi provoca un efecto negativo en la biología reproductiva del nape, afectando ... -
Efectos clínicos a largo plazo en niños intoxicados con plomo en una región del sur de Chile
(2009)Background: In 1996 there was a massive lead poisoning in a southern rural community in Chile. The contamination source was a mill whose grinding stone was repaired with lead and contaminated the flour. Aim: To assess ... -
Efectos del entrenamiento de fuerza muscular en mujeres postmenopáusicas con síndrome metabólico. Revisión sistemática
(2019-11)Durante la menopausia, el riesgo de desarrollar síndrome metabólico se incrementa exponencialmente debido a los cambios hormonales y la edad avanzada; en este sentido, el ejercicio físico ha mostrado ser una herramienta eficaz ... -
Efectos del retardo del asentamiento en las expectativas de vida del briozoo Bugula flabellata (Bryozoa: Gymnolaemata)
(2004)En presencia de un substrato adecuado las larvas lecitotróficas del briozoo Bugula flabellata se asientan preferentemente durante las primeras seis horas luego de su liberación desde las cámaras de incubación, mientras ... -
Effect of a maximal treadmill test on intraocular pressure and ocular perfusion pressure: The mediating role of fitness level
(2020-05)Objectives: We compared the impact of a maximal treadmill test on intraocular pressure and ocular perfusion pressure between trained and untrained individuals. Methods: Based on the maximal aerobic capacity (relative ... -
Effect of a short-term cycle ergometer sprint training against heavy and light resistances on intraocular pressure responses
(2018-04)The purpose of this study is to determinate the long-term effect of a cycle ergometer sprint training program against heavy and light resistances on baseline intraocular pressure (IOP), and on the acute IOP response to ... -
Effect of cosolvent and pH on the kinetically controlled synthesis of cephalexin with immobilised penicillin acylase
(2002)The effect of co-solvents was studied on the kinetically controlled synthesis of cephalexin with immobilised penicillin acylase (PA). Yield correlated well with the ratio of initial rates of cephalexin synthesis to acyl ... -
Effect of different longline farming designs over the growth of Mytilus chilensis (Hupé, 1854) at Llico Bay, VIII Región of Bio-Bio, Chile
(2011)This study evaluates the effect of three culture design factors over the growth of the Mylitus chilensis, farmed through suspended systems known as longline with buoys, and longline with High Density Polyethylene (HDPE) ... -
Effect of different velocity loss thresholds during a power-oriented resistance training program on the mechanical capacities of lower-body muscles
(2018)This study compared the effects of two velocity loss thresholds during a power-oriented resistance training program on the mechanical capacities of lower-body muscles. Twenty men were counterbalanced in two groups (VL10 ... -
Effect of dissolved calcium on the formation of secondary attachment structures in different types of branches of Chondracanthus chamissoi (Rhodophyta, Gigartinales)
(2011)Development of secondary attachment structures (SAS) was evaluated in apical fragments of pinnules, and basal and lateral branches in the carrageenophyte Chondracanthus chamissoi. When no dissolved calcium was added to the ... -
Effect of doping natural zeolite with copper and zinc cations on ethylene removal and postharvest tomato fruit quality
(2019)Tomatoes (Solanum lycopersicum L.), one of the most consumed vegetables worldwide, are climacteric fruit in which ripening is accompanied by quickly increased respiration and ethylene production. Ethylene stimulates ripening ... -
Effect of Human Development Index and other socioeconomic factors on mortality- to- incidence ratio of lips and oral cavity cancer in Mexican states: an ecological study
(2021)Objectives To assess the association between the Human Development Index (HDI) and covariates on the mortality- to- incidence ratio (MIR) of lips and oral cavity cancer (LOCC) in Mexico. Design Ecological study. Setting ... -
Effect of metalinguistic feedback on Chilean preservice teachers’ written use of the third person singular suffix -s
(2020-03)This study addresses the impact of 2 types of written corrective feedback (WCF) on the acquisition of the third person singular -s in English. The study followed a quasi-experimental design: 2 experimental groups and 1 ... -
Effect of nail spacing on the global stability of soil nailed walls using limit equilibrium and finite element methods
(2021-01)The limit equilibrium method LEM is widely used for static and pseudo-static soil nailing designs. Soil nailed wall stability is usually evaluated based on a global factor of safety FSG under a predefined failure mechanism. ... -
Effect of oxygen conditions on intracapsular development in two calyptraeid species with different modes of larval development
(2008-09-25)Oxygen availability in the aggregation of offspring has been shown to be a critical fac- tor affecting the survival and development of embryos in aquatic systems. It is not yet known, how- ever, to what extent the capacity ... -
Effect of resistance-training programs differing in set configuration on maximal strength and explosive-action performance
(2021)Purpose: To compare the effects of 2 upper-body strength-training programs differing in set configuration on bench press 1-repetition maximum (BP1RM), bench press throw peak velocity against 30 kg (BPT30), and handball ...