Artículos Científicos: Envíos recientes
Mostrando publicaciones 721-740 de 3486
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Axiological study of educational projects in schools
(2023)Institutional educational projects are based on principles and values that schools adopt and which are reflected in the various aspects of their planning and pedagogical performance. The main objective of this study ...
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Sustainable development and corporate sustainability of chilean state universities: evidence from their strategic elements
(2023)Corporate sustainability evolved in line with the advancement of the concept of sustainable development; thus, it is constituted as a strategy to respond to social and environmental problems. In this context, universities ...
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The use of mulch and shading improves the survival of sclerophyllous species established in island plots in central Chile
(2023)Climate change is threatening the restoration efforts in Mediterranean ecosystems, and there is still little knowledge about the responses of some sclerophyllous species to plant management techniques. This study assessed ...
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Bioactive lichen secondary metabolites and their presence in species from Chile
(2023)Lichens are symbiotic organisms composed of at least one fungal and one algal species. They are found in different environments around the world, even in the poles and deserts. Some species can withstand extreme abiotic ...
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Calcium-alginate-chitosan nanoparticle as a potential solution for pesticide removal, a computational approach
(2023)Pesticides have a significant negative impact on the environment, non-target organisms, and human health. To address these issues, sustainable pest management practices and government regulations are necessary. However, ...
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Iridoid esters from Valeriana pavonii Poepp. & Endl. as GABAA modulators: structural insights in their binding mode and structure-activity relationship
(2023)Context: Valeriana pavonii Poepp. & Endl. (Caprifoliaceae), is a plant used in traditional medicine as a tranquilizer in Colombia. Valerian extracts have been widely used since ancient times for their sedative and anxiolytic ...
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Inoculation with extreme endophytes improves performance and nutritional quality in crop species grown under exoplanetary conditions
(2023)Introduction: Technological advances have made possible long space travels and even exoplanetary colonies in the future. Nevertheless, the success of these activities depends on our ability to produce edible plants in ...
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Discurso narrativo y lectura de cuentos en el hogar por padres a preescolares que presentan trastorno del lenguaje
(2023)El objetivo del estudio es analizar el discurso narrativo productivo de estudiantes de kínder en escuelas de lenguaje de Chile, considerando Trastorno Específico del Lenguaje (TEL) expresivo y mixto junto a la periodicidad ...
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Study of barley yellow dwarf virus: Dynamics of aphid-plant interaction
(2023)Physics continues to be an inexhaustible source of problems that have inspired the theoretical development of mathematics, particularly in the development of the theory of dynamical systems that have their origin in the ...
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Existence of solutions for an optimal control problem in forestry management
(2023)Physical, biological, and economic factors remain inexhaustible sources when determining silvicultural management strategies that maximize the net benefit of timber volume. The objective of this paper is to formulate an ...
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Estimation of the optimal number of neurons in extreme learning machine using simulated annealing and the golden section
; Mora, Marco
; ; ; ; ; ; (2023)
Extreme learning machine is a neural network algorithm widely accepted in the scientific community due to the simplicity of the model and its good results in classification and regression problems; digital image processing, ...
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Research note: spur pruning leaving one bud is an interesting viticultural strategy to control bud acrotony in bolivian vineyards
(2023)Bolivian viticulture is mostly found in the Central Valley of Tarija, which is characterised by a subtropical climate with high thermal oscillation in winter that results in low accumulation of chilling units. Such climatic ...
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Bibliometría y semántica en revistas de ciencias sociales del siglo XXI
(2023)En el entendido que un área de estudio se configura según la comunicación de sus medios de difusión científica en un contexto social, político y económico determinado, el artículo se propone analizar la semántica y estructura ...
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A soil water indicator for a dynamic model of crop and soil water interaction
; ; Carrasco-Benavides, Marcos (2023)
Water scarcity is a critical issue in agriculture, and the development of reliable methods for determining soil water content is crucial for effective water management. This study proposes a novel, theoretical, non-physiological ...
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Functional fitness and fall risk in older adults practitioners or non-practitioners of Tai Chi
(2023)Tai chi is a fundamental tool that has a significant influence on balance, motor function and fear of falling among older adults. The objective of the study was to verify functional fitness and ...
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Exploring the interplay between polyphenols and lysyl oxidase enzymes for maintaining extracellular matrix homeostasis
; ; ; Rojas, Armando (2023)
Collagen, the most abundant structural protein found in mammals, plays a vital role as a constituent of the extracellular matrix (ECM) that surrounds cells. Collagen fibrils are strengthened through the formation of ...
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Exploring new tools for risk classification among adults with several degrees of obesity
(2023)The epidemic of obesity worldwide has been recognized as a very important challenge. Within its complexity, the identification of higher-risk patients is essential, as it is unsustainable to offer access to treatment to ...
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Estrés laboral en el equipo de enfermería de las unidades de psiquiatría de un hospital de alta complejidad de Chile
(2023)Objetivo: Este estudio tuvo por objetivo analizar el nivel de estrés laboral y percepción del estado de salud del equipo de enfermería de las unidades de psiquiatría y establecimientos de salud mental dependientes de un ...
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Concentración escolar extranjera etno-nacional: ¿una nueva forma de discriminación y exclusión educativa? el caso de Santiago de Chile
(2022)El estudio tiene por objetivo describir las características socioculturales de la concentración escolar extrajera en dos establecimientos educacionales municipales de la región Metropolitana, desde la perspectiva de padres ...
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Survey and molecular characterization of sarcocystidae protozoa in wild cricetid rodents from central and southern Chile
(2023)In Chile, studies of parasites from the family Sarcocystidae (Apicomplexa) have mostly been related to domestic animals. We aimed to assess the presence of Sarcocystidae taxa in cricetid rodents from Central and Southern ...