Producción Académica: Envíos recientes
Mostrando publicaciones 2521-2540 de 3943
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Assessing wood properties on hybrid poplars using rapid phenotyping tools
(2021)There is a growing interest in improving wood properties through clonal selection. However, traditional methods for determining wood properties are difficult to implement at the scale required for large-scale selection ...
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Relationship between soil properties and banana productivity in the two main cultivation areas in Venezuela
(2020)To identify the main edaphic variables most correlated to banana productivity in Venezuela and explore the development of an empirical correlation model to predict this productivity based on soil characteristics. Six ...
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Optimal activation ratio of the scapular muscles in closed kinetic chain shoulder exercises: A systematic review
(2021)BACKGROUND: Muscle synergies contribute to scapular position during arm movement. The trapezius and serratus anterior (SA) muscles are the main stabilizers and are therefore the main target muscles of therapeutic ...
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Ultrasound reference values for the calcaneus of children and adolescents at moderate altitudes in Peru
(2021)Objective: a) Establish reference values for bone parameters by using the speed of sound (SOS, m/s) of broadband ultrasound attenuation (BUA, dB/MHz) and establish a bone quality index (BQI=αSOS+βBUA) for children and ...
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eHealth tools for assessing psychomotor activity in schizophrenia: a systematic review
(2021)Objective: Psychomotor abnormalities are relevant symptoms in the clinical presentation of schizophrenia, and assessing them could facilitate monitoring. New technologies can measure psychomotor activity objectively and ...
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Transient disruption of the inferior parietal lobule impairs the ability to attribute intention to action
(2020)Although it is well established that fronto-parietal regions are active during action observation, whether they play a causal role in the ability to infer others’ intentions from visual kinematics remains undetermined. In ...
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Geografías vecinales más allá del barrio. Nou Barris (Barcelona) y Las Américas (Talca, Chile)
(2020)En el marco de la agenda neoliberal y sus políticas de re escalamiento, la concepción neo ecológica de barrio fue asumida en los años 1980 por diversos gobiernos de América y Europa. Desde ahí se ha venido consolidando ...
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Conocimiento sobre tablas estadísticas por estudiantes chilenos de tercer año de educación primaria
(2020)Esta investigación reporta resultados del conocimiento sobre tablas estadísticas por estudiantes de tercer año de Educación Primaria en Chile. Para la recolección de los datos se diseñó un cuestionario compuesto por tres ...
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Microlophus atacamensis as a biomonitor of coastal contamination in the Atacama Desert, Chile: An evaluation through a non-lethal technique
(2021)In this report, we investigated the accumulation of heavy metals in the lizard Microlophus atacamensis, in three coastal areas of the Atacama Desert, northern Chile. We captured reptiles in a non-intervened area (Parque ...
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Transcultural translation and adaptation of condom embarrassment scale for the brazilian context
(2020)Objetivo: describir el proceso de adaptación transcultural de la Condom Embarrassment Scale (Escala de restricciones en el uso de condones) para su uso en el contexto brasileño. Método: estudio metodológico que comprendió ...
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Geographic variation in the laryngeal morphology of a widely distributed South-American anuran: behavioural and evolutionary implications
(2020)Sound-producing organs generate acoustic signals that have a fundamental role in communication systems. In species exhibiting different biogeographic patterns, variations of these structures can explain a large part of ...
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Does the association between physical capability and mortality differ by deprivation? Findings from the UK Biobank population-based cohort study
(2020)Background: To investigate whether the excess risk of adverse health outcomes associated with a lower physical capability in adulthood differs by deprivation levels. Methods: 279,030 participants from the UK Biobank were ...
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Converting classic data of salt tolerance into an allometric crop salinity response function
(2021)Among salinity tolerance studies the piecewise linear method has been widely used to characterize crop response. The two parameters of this method have been determined for different species and compiled in tables by different ...
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The impact of the contextual fit enhancement protocol on behavior support plan fidelity and student behavior
(2021)The contextual fit of a behavior support plan refers to the extent that the procedures of the plan are consistent with the knowledge, values, skills, resources, and administrative support of those who are expected to ...
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Spatiotemporal distribution of key pelagic microbes in a seasonal oxygen-deficient coastal upwelling system of the Eastern South Pacific Ocean
(2020)The strong seasonal variability in physical-chemical conditions of the Eastern South Pacific Ocean creates an ideal setting to study spatiotemporal distribution of key marine microbial communities. We herein report a nearly ...
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Gastric tumor microenvironment
Rojas, Armando
; ; ; (2020)
A compelling body of evidence has demonstrated that gastric cancer has a very particular tumor microenvironment, a signature very suitable to promote tumor progression and metastasis. Recent investigations have provided ...
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Extreme learning machine-based receiver for multi-user massive MIMO systems
(2021)An extreme learning machine (ELM)-based receiver for multi-user massive MIMO systems is introduced. The proposed ELM combining method, defined in the complex plane, is designed to directly perform MIMO combining processing ...
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Does insulin-like growth factor moderate the association between height and risk of cancer at 24 sites?
(2020)Background: Whether the association of height with cancers differs by insulin-like growth factors has not been fully elucidated. Therefore, this study aimed to investigate the sex-specific associations between height and ...
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Análisis de las actividades sobre variabilidad estadística en los libros de texto de educación secundaria: una mirada desde las propuestas internacionales
(2021)El propósito de este trabajo es analizar las actividades sobre variabilidad en los libros de texto de educación secundaria, que proporciona gratuitamente el Ministerio de Educación chileno, de acuerdo con las directrices ...