Artículos científicos: Envíos recientes
Mostrando ítems 2181-2200 de 5726
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Article
Spectral probe for electron transfer and addition reactions of azide radicals with substituted quinoxalin-2-ones in aqueous solutions (2021)
(MDPI AG, 2021-01-02)The azide radical (N3●) is one of the most important one-electron oxidants used extensively in radiation chemistry studies involving molecules of biological significance. Generally, it was assumed that N3● reacts in aqueous ... -
Article
Challenges, opportunities, and lessons learned: Sustainability in Brazilian omnichannel retail (2021)
(MDPI AG, 2021-01-02)This paper reports the focus group results administered with top executives of the Brazilian retailers regarding their omnichannel strategies. This study aimed at analyzing the process of implementing omnichannel strategies ... -
Article
Plant growth-defense trade-offs: Molecular processes leading to physiological changes (2021)
(MDPI AG, 2021-01-02)In order to survive in a hostile habitat, plants have to manage the available resources to reach a delicate balance between development and defense processes, setting up what plant scientists call a trade-off. Most of these ... -
Article
"Bottled" spiro-doubly aromatic trinuclear [Pd2Ru]+complexes (2021)
(Royal Society of Chemistry, 2021-01-07)Following an ongoing interest in the study of transition metal complexes with exotic bonding networks, we report herein the synthesis of a family of heterobimetallic triangular clusters involving Ru and Pd atoms. These are ... -
Article
Equine-assisted activities and therapies in children with attention-deficit/hyperactivity disorder: A systematic review (2021)
(Blackwell Publishing Ltd, 2020-11-10)What is known on the subject?: Attention-deficit/hyperactivity disorder (ADHD) is characterized by problems of inattention and impulsive hyperactivity in children. Equine-assisted activities and therapies (EAATs) have been ... -
Article
The construction contract price variability (2021)
(Universidad Austral de Chile, 2020-12)How the phenomenon is explained that many works start with one price and end with another? Can the initial price of a construction contract definitely be fixed and unchanged? The objective of this article is to explain the ... -
Article
The antagonism of the doctrine of nullity and administrative responsibility: Myth or reality? (2021)
(Universidad Austral de Chile, 2020-12)While the divergence of the doctrine is a phenomenon common to other legal areas, within administrative litigation it imposes particular difficulties, as it affects the guarantee of legality and legal certainty, essential ... -
Article
Legal and conventional warranty: dispersed and tempered hierarchi (2021)
(Universidad Austral de Chile, 2020-12)This article intends to figure out a way to organize the thorny coexistence of legal and commercial warranties within consumers law in Chile. The suggested way consists in setting out a hierarchy between them and determine ... -
Article
Cartesian thought and the foundation of sociology (2021)
(Universidad de Chile, Facultad de Ciencias Sociales, 2020-12)This paper analyses the foundations of the so-called mathesis universalis, and how this notion, proposed by Descartes in the 17th century, has had significant implications in the origin and constitution (much later) of two ... -
Article
Structural, electronic and magnetic properties of copper(I) cubic clusters (2021)
(Elsevier Ltd, 2020-11-02)We report the molecular and electronic structure, and the calculated electronic excitation energies, using the time dependent density functional methodologies (TD-DFT), and the induced magnetic field (Bi) of a series of ... -
Article
Photo-assisted charge/discharge of a secondary cell of α-Fe2O3/Prussian blue–based electrodes (2021)
(Springer Science and Business Media Deutschland GmbH, 2021-01-07)In this work, an assembly of FTO/α-Fe2O3/PB|M+ electrolyte|PB/α-Fe2O3/FTO (M+ = Li+, Na+, K+) secondary photocell was done to improve the charge capacity in the presence of illumination. Our previous results with these ... -
Article
Adipose tissue macrophages as a therapeutic target in obesity-associated diseases (2021)
(Blackwell Publishing Ltd, 2021-01-10)Obesity is an increasing problem in developed and developing countries. Individuals with obesity have a higher risk of several diseases, such as cardiovascular disease, increased risk of insulin resistance, type 2 diabetes, ... -
Article
Inculcation of green behavior in employees: A multilevel moderated mediation approach (2021)
(MDPI AG, 2021-01-01)In this era of globalization, preventing organizations from undermining and degrading the environment has become a great challenge, especially when considering that organizations are among the major contributors to ... -
Article
Energy efficiency’s key role in explaining the performance of energy consumption in Andalusia (Spain) (2021)
(Springer Science and Business Media Deutschland GmbH, 2021-01-06)The EU commitment to improve energy efficiency is conditioned not only by the countries but also by the role that the European regions adopt when they develop their own energy policies. Concretely, due to the economic and ... -
Article
Theoretical study of chloride complexes with hybrid macrocycles (2021)
(Royal Society of Chemistry, 2021-01-07)Anions show relevant roles in biological routes. The supramolecular chemistry investigates the chemical bonding between two or more molecules and/or ions. Herein, the nature of the bond between chloride anions and macrocycle ... -
Article
The Public Domain as the Objective Presupposition for the Imposition of Taxes and Other Burdens on Mining Activity (2021)
(Universidad de Talca, 2020-12)In the area of special regimes applied to the exploitation of mineral resources at the international level, it is common to use the terms “canon”, “regalia” and “royalty”, which, mixed with obligations of a tax and nontax ... -
Article
Comparison of the acoustic parameters obtained with different smartphones and a professional microphone (2021)
(Elsevier Doyma, 2021-01-05)Smartphones allow good quality recordings; however, it cannot be claimed that the acoustic parameters obtained from them are comparable to those obtained with a professional microphone. The objective of this study is to ... -
Article
Analysis of organic molecules, physicochemical parameters, and pollen as indicators for authenticity, botanical origin, type and quality of honey samples examined (2021)
(Bellwether Publishing, Ltd., 2020-12-27)To contribute to Chilean honey’s characterization, 12 honey samples were analyzed using comprehensive physicochemical and pollen analyses. Beekeepers donated samples from La Pintana, Linderos, Cajón del Maipo, and Chiloé. ... -
Article
Effect of retirement on cognitive function: A systematic review and meta-analysis (2021)
(BMJ Publishing Group, 2020-12-30)The study aimed to determine the longitudinal association between retirement and cognitive function, including global cognition and memory-related skills. This is a systematic review of longitudinal studies on the association ... -
Article
Benefits of inclusive physical activity for people with down syndrome: Systematic review (2021)
(Universidad de Murcia, 2020)The aim of the work was to conduct a review of the literature related to physical activity as a medium of inclusion for people with Down syndrome. For references search, the following keywords were used as descriptors: ...