Investigación y Desarrollo: Envíos recientes
Mostrando ítems 1921-1940 de 5743
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Article
Migrant students and teachers: Reflections on oppression in Chilean schools (2021)
(Revista Latinoamericana de Ciencias Sociales, 2021)This paper is based on qualitative research and critically analyzes the thesis referring to the condition of shared oppression between teachers and migrant students who are steadily enrolling in Chilean schools. In the ... -
Article
Extreme temperature events alter stream ecosystem functioning (2021)
(Elsevier B.V., 2021-02)Extreme temperature events have increased in intensity, duration and frequency in the last century, with potential consequences on organisms and ecosystems. In many streams, leaf litter of terrestrial origin is a key ... -
Article
Educational needs of parents of hemophiliac children: An approach to comprehensive care (2021)
(Sociedad Chilena de Pediatria, 2021-04)In Chile, hemophilia was incorporated into the System of Explicit Health Guarantees (GES), which ensures access to treatment and financial protection for these patients. To support patients and their families, educational ... -
Article
Mood and affective balance of spaniards confined by COVID-19: A cross-sectional study (2021)
(Universidad San Buenaventura, 2021-04-30)The aim of this study was to analyze the mood and affective balance of Spaniards in quarantine and determine the predictive role of sociodemographic variables and mood on the negative affective balance. This cross-sectional ... -
Article
The spanish energy transition into the eu green deal: Alignments and paradoxes (2021)
(MDPI AG, 2021-05-01)Climate change, clean energy transition, the energy security quest, and international relations have triggered the revival of renewable energy as a solution to these problems. Nowadays, there is an energy transition where ... -
Article
Technostress of chilean teachers in the context of the covid-19 pandemic and teleworking (2021)
(MDPI AG, 2021-05-02)This article shows the levels of technostress in primary and secondary education teachers in Chile, in the context of educational telework that Chile has adopted in connection with the health crisis by COVID-19. The ... -
Article
Latin American microentrepreneurs: Trajectories and meanings about informal work (2021)
(MDPI AG, 2021-05-02)Latin America has suffered for many years deep economic, political, and social problems that have led to high levels of unemployment. Therefore, microentrepreneurship has been a way out of these precarious economic systems. ... -
Article
A Search for Cloud Cores Affected by Shocked Carbon Chain Chemistry in L1251 (2021)
(IOP Publishing Ltd, 2021-05-10)We searched for shocked carbon chain chemistry (SCCC) sources with C3S abundances surpassing those of HC5N toward the dark cloud L1251, using the Effelsberg telescope at the K band (18-26 GHz). L1251-1 and L1251-3 are ... -
Article
Planar tetracoordinate fluorine atoms (2021)
(Royal Society of Chemistry, 2021-05-21)Among the list of planar tetracoordinate atoms, fluorine is missing. So far, there are no theoretical or experimental reports suggesting their existence. Herein, we introduce the first six combinations (FIn4+, FTl4+, ... -
Article
Carbamylated form of human erythropoietin normalizes cardiorespiratory disorders triggered by intermittent hypoxia mimicking sleep apnea syndrome (2021)
(NLM (Medline), 2021-06-01)BACKGROUND AND OBJECTIVE: Chronic intermittent hypoxia (CIH), one of the main features of obstructive sleep apnea (OSA), enhances carotid body-mediated chemoreflex and induces hypertension and breathing disorders. The ... -
Article
Genetic patterns found in the nuclear localization signals (Nlss) associated with ebv-1 and ebv-2 provide new insights into their contribution to different cell-type specificities (2021)
(MDPI AG, 2021-06-01)The Epstein–Barr virus (EBV) is a globally dispersed pathogen involved in several human cancers of B-cell and non-B-cell origin. EBV has been classified into EBV-1 and EBV-2, which have differences in their transformative ... -
Article
Association between arterial stiffness and the clustering of metabolic syndrome risk factors: a systematic review and meta-analysis (2021)
(NLM (Medline), 2021-06-01)OBJECTIVES: Metabolic syndrome (MetS) is a cluster of different cardiometabolic risk factors (CMRFs), and its different combinations with other CMRFs, such as arterial stiffness have been hypothesized to explain, at least ... -
Article
Insights into the selective sensing mechanism of a luminescent Cd(II)-based MOF chemosensor toward NACs: roles of the host–guest interactions and PET processes (2021)
(Springer, 2021-08)The structural and photophysical properties of the [Cd2(H2L)2(H2O)5].5H2O (where H4L is the ligand 5,5'-((thiophene-2,5-dicarbonyl)bis(azanediyl))diisophthalic acid labeled as Cd-MOF), as well as the elucidation of the ... -
Article
Variability of traffic noise pollution levels as a function of city size variables (2021)
(Academic Press Inc., 2021-08)Noise levels measured in 27 cities with different areas (from 0.6 km2 to 59.27 km2) and populations (from approximately 2000 to 70,000 inhabitants) were compared with respect to five different urban characteristics ... -
Article
Conversion of levulinic acid over Ag substituted LaCoO3 perovskite (2021)
(Elsevier Ltd, 2021-10-01)The present work shows the application of substituted and basic perovskites as catalysts in the levulinic acid conversion. In this context, the effect of the Ag substitution on La1-xAgxCoO3 (x = 0.00, 0.05, 0.10, 0.20) ... -
Article
Exploring the Size-Dependent Hydrogen Storage Property on Ti-Doped Bn Clusters by Diatomic Deposition: Temperature Controlled H2 Release (2021)
(John Wiley and Sons Inc, 2021)The hydrogen storage properties of Ti-doped Bn ((Formula presented.)) clusters are investigated by using the “diatomic deposition method” with further evaluation by density functional theory computations. The results show ... -
Article
Acute effects of different warm-up strategies on physical performance and motor skills in schoolchildren (2021)
(Federacion Espanola de Docentes de Educacion Fisica, 2021)The objective of this research is to assess the effects of different types of warm-ups applied in schoolchildren on the quality of movement of motor skills and jumping and sprint performance.The methodology used was based ... -
Article
Football for people with amputations: Exploratory systematic review (2021)
(Federacion Espanola de Docentes de Educacion Fisica, 2021)The study aims to review the scientific evidence related to football for amputees. For the reference search, the following keywords were used as descriptors: «Football» and «Amputee».The terms were entered in English in ... -
Article
Coping Strategies in the Spanish Population: The Role in Consequences of COVID-19 on Mental Health (2021)
(Frontiers Media S.A., 2021-04-29)The worldwide health emergency caused by COVID-19 is a new challenge for humanity which individuals respond to in a diversity of ways. The type of coping people use in such a situation could lead to positive or negative ... -
Article
Frequency of injury and illness in the final 4 weeks before a trail running competition (2021)
(MDPI AG, 2021-05-02)We aimed to (i) determine self-reported injury and illness frequency in trail runners 4 weeks preceding competition; (ii) compare athletes with and without injury/illness by sex, age, body mass index (BMI) and competition ...