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Mostrando publicaciones 2982-3001 de 5138
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Lack of phonotactic preferences of female frogs and its consequences for signal evolution
(2015)Sexual selection is one of the main evolutionary forces that drive signal evolution. In previous studies, we have found out that males of Pleurodema thaul, a frog with an extensive latitudinal distribution in Chile, emits ...
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Land cover data of Upper Parana River Basin, South America, at high spatial resolution
(2019)This study presents a new land cover map for the Upper Paraná River Basin (UPRB-2015), with high spatial resolution (30 m), and a high number of calibration and validation sites. To the new map, 50 Landsat-8 scenes were ...
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Land use data in the Middle Maule River sub-basin: Classification and comparison between 1999 and 2019
(2020)The use of satellite images is a modern strategy for the evaluation and prediction of various weather scenarios. In addition, this is a key tool for the development of environmental sciences. Since the end of the last ...
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Language learning strategies, motivation and gender in foreign language context
(2020)The research in the field of language learning highlights two major paradigm shifts in the past few decades. First, the shift is from teacher-centered learning to learner-centered teaching and second related to learning ...
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Large conductance voltage-and calcium-activated K+ (BK) channel in health and disease
(2024)Large Conductance Voltage- and Calcium-activated K+ (BK) channels are transmembrane pore-forming proteins that regulate cell excitability and are also expressed in non-excitable cells. They play a role in regulating vascular ...
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Larva, pupa and DNA barcodes of the Neotropical geometrid moth Glena mielkei (Lepidoptera: Geometridae: Ennominae: Boarmiini)
(2018)Glena mielkeiVargas, 2010 (Lepidoptera: Geometridae: Ennominae: Boarmiini)is a Neotropical geometrid moth native to the Atacama Desert of northern Chile whose larvae are folivorous on the shrub Trixis cacalioides (Asteraecae). ...
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Latent class analyses of multimorbidity and all-cause mortality: A prospective study in chilean adults
(2023)Multimorbidity patterns can lead to differential risks for all-cause mortality. Within the Chilean context, research on morbidity and mortality predominantly emphasizes individual diseases or combinations thereof, rather ...
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Layerwise theories for composite beams with continuous and discontinuous stresses
(2023)Due to the unique characteristics of composite materials, the study of composite beams is far more complex than the study of homogeneous beams. The finite element method has proven to be a powerful approach to analyze ...
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Le paysage intellectuel du développement durable en Amérique latine. Une analyse de réseau à partir des citations d’auteurs latino-américains
(2019)Scientific discourses are influenced by worldviews and values shared by scientific communities. In terms of sustainable development, as for other subjects, the production, dissemination and reception of knowledge structure ...
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Leaf area estimation in muskmelon by allometry
(2013)This study developed a method for estimating the leaf area (LA) of muskmelon by using allometry. The best linear measure was evaluated first, testing both a leaf length and width (W). Leaf samples were collected from plants ...
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Leaf morpho-colorimetric characterization of different grapevine varieties through changes on plant water status
(2021)Background: Currently, some ampelographic methods are developing in order to identify grapevine varieties. For this purpose, morpho-colorimetric parameters in leaves have been analyzed by digital imagen analysis, but some ...
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Learning and quality of life in undergraduate nursing students: an exploratory study in Chile during the COVID 19 pandemic
(2022)BACKGROUND: Coronavirus disease 2019 (COVID‑19) is a global pandemic that has modified all social and, especially, learning instances. The purpose of this study was to determine the perception of final‑year nursing ...
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Learning from transgenics: Advanced gene editing technologies should also bridge the gap with traditional genetic selection
(2019)We highlight the importance of the mixed genetic approaches (classical and currents) to improve the social perception related to the GMOs acceptance. We pointed out that CRISPR/Cas9 events could carry DNA variability/rea ...
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Learning-oriented motivation: Examining the impact of teaching practices with motivational potential
; ; ; Precht Gandarillas, Andrea
; ; (2024)
This study compares the predictive ability of nine different types of motivational practices on the motivational orientation toward learning. Given the nature of undergraduate studies, identifying the most predictive ...
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Lectura de un diagrama de puntos por estudiantes chilenos de educación primaria
(2021)El objetivo del trabajo fue describir el logro y nivel de lectura que alcanzan los estudiantes chilenos de 6º y 7º curso de Educación Primaria al trabajar con un diagrama de puntos. Para lograrlo se analiza si están de ...
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Lectura del diagrama de tallo y hojas por estudiantes chilenos de educación primaria
(2019)El objetivo de este trabajo es describir las dificultades de los estudiantes chilenos de 6º y 7º curso de Educación Primaria (12-13 años) en la lectura del diagrama de tallo y hojas, y los niveles de lectura que logran. ...
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Lectura literaria en la escuela
(2011)Este ensayo tiene por finalidad reflexionar acerca de la enseñanza habitual de la literatura en el sistema escolar. Si bien se reconoce el ineludible lugar que ocupa el profesor como mediador para acceder a la lectura ...