Indexados Scopus: Recent submissions
Now showing items 461-480 of 1632
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Evaluation of a Biochar-Based Slow-Release P Fertilizer to Improve Spinacia oleracea P Use, Yield, and Nutritional Quality
(Ingeniería AmbientalFacultad de Ingenierías, 2021)The aim of this study was to assess the effects of a biochar-based slow-release P fertilizer (BBSRPF) produced from a corn stover-derived biochar (CSB), compared to mineral fertilization and co-application of CSB itself ... -
Experimental study of the tensile strength of hot asphalt mixtures measured with indirect tensile and semi-circular bending tests
(Elsevier LtdIngeniería de SistemasFacultad de Ingenierías, 2022)This paper examines the tensile strength performance of hot mix asphalt without and with reclaimed asphalt pavement (RAP), different gradations, asphalt content, and test temperatures applying the Indirect Tensile Test ... -
Experimental and theoretical insights on methylene blue removal from wastewater using an adsorbent obtained from the residues of the orange industry
(MDPI AGCiencias BásicasFacultad de Ciencias Básicas, 2021)Chemical and thermochemical transformations were performed on orange peel to obtain materials that were characterized and further tested to explore their potential as adsorbents for the removal of methylene blue (MB) from ... -
Evolution of the Data Mining and Machine Learning Techniques Used in Health Care: A Scoping Review
(Springer Science and Business Media Deutschland GmbHCiencias BásicasIngeniería de SistemasFacultad de IngenieríasFacultad de Ciencias Básicas, 2021)The purpose of this scoping review was to observe the evolution of using data mining and machine learning techniques in health care based on the MEDLINE database. We used PRISMA-ScR to observe the techniques evolution and ... -
Expression and characterization of a novel single-chain anti-vascular endothelial growth factor antibody in the goat milk
(Elsevier B.V.Ciencias BásicasFacultad de Ciencias Básicas, 2021)Vascular endothelial growth factor (VEGF) has essential functions in angiogenesis, endothelial cell proliferation, migration, and tumor invasion. Different approaches have been developed to suppress tumor angiogenesis, ... -
Evaluating the removal of the antibiotic cephalexin from aqueous solutions using an adsorbent obtained from palm oil fiber
(MDPI AGCiencias BásicasFacultad de Ciencias Básicas, 2021)This study aimed to understand the adsorption process of cephalexin (CPX) from aqueous solution by a biochar produced from the fiber residue of palm oil. Scanning electron microscopy, Fourier transform infrared spectroscopy, ... -
Evolution of the public relations profession in Latin America: A brief review of the development of public relations in Latin American countries
(SAGE Publications Inc.Comunicación y Relaciones CorporativasFacultad de Comunicación, 2022)This paper reviews the historical background of public relations and its development in Latin America in order to understand the evolution and current state of this profession. The questions are how has the academic study ... -
Exploring the factors affecting the use of C2C in Colombia [Exploración de los factores del uso del C2C en Colombia]
(Institute of Applied Business EconomicsMercadeoFacultad de Ciencias Económicas y Administrativas, 2021)This study analyses the factors that users of consumer-to-consumer (C2C) commerce value as direct influences in the intention to use and the acceptance of a marketplace. An empirical model is formulated, which integrates ... -
Effects of van der Waals interaction on the adsorption of H2 on MoS2 monolayers and nanoribbons
(Elsevier B.V.Ciencias BásicasFacultad de Ciencias Básicas, 2022)Density-functional theory calculations are performed to investigate the adsorption of molecular hydrogen onto MoS2 monolayers, armchair nanoribbons, and stacked monolayer-armchair nanoribbon complexes. The van der Waals ... -
Effectiveness of social responsibility marketing in young millennials - Generation Y: analysis of three cases for brand positioning
(Elsevier LtdMercadeoFacultad de Ciencias Económicas y Administrativas, 2021)The aim of this study was to investigate how social responsibility marketing campaigns can be effective in branding for young millennials. An empirical model was applied in three specific cases of cause marketing targeting ... -
Emotions associated with the process of construction the parallelepiped volume [Emociones asociadas al proceso de construcción del volumen del paralelepípedo]
(Universidad NacionalPsicologíaCiencias BásicasFacultad de Ciencias BásicasFacultad de Ciencias Sociales y Humanas, 2022)This study analyzes the emotions of students between 14 and 17 years of age when they autonomously construct a rectangular box in 2D and 3D that represents the volume of a parallelepiped, using Cabri II Plus software. The ... -
Embedded discrete farcture networks to analyze groundwater inflows during tunnel drilling [Redes de fracturas discretas embebidas para el análisis de infiltraciones de agua subterránea durante la excavación de túneles]
(Universidad Nacional de ColombiaIngeniería AmbientalFacultad de Ingenierías, 2022)Tunnels commonly go through fracture zones, which are analyzed as an equivalent porous medium with homogeneous permeability. However, this is a rough simplification that overlooks the connection triggered by underground ... -
Electronic and optical properties of an electro-magnetic non-uniform narrow quantum ring under repulsive scattering centre
(Taylor and Francis Ltd.Ciencias BásicasFacultad de Ciencias Básicas, 2021)Non-uniform height semiconductor quantum rings are studied in order to determine their electronic and optical absorption properties. Theoretical modelling of the structure includes an analytical description of the non-regular ... -
Enhancing phosphorus release from struvite with biostimulants
(Agricultural Institute of CanadaIngeniería AmbientalFacultad de Ingenierías, 2021)Struvite is a phosphorus (P)-rich by-product of wastewater treatment facilities that can be recycled as a P source in agriculture. Because struvite is not water soluble, it is solubilized gradually by organic acids released ... -
Effects of Hot Isostatic Pressing on the Characteristics of PM Processed Mg-Based Alloys
(SpringerIngeniería de MaterialesFacultad de Ingenierías, 2022)Powder metallurgy (PM) involves processes of mechanical milling, pressing, and sintering. The last of these can be done by different methods. One promising such method is hot isostatic pressing (HIP), which improves on ... -
Effects of two-step high-energy ball milling process and hot isostatic pressing on the mechanical properties of PM magnesium
(Springer Science and Business Media Deutschland GmbHIngeniería de MaterialesFacultad de Ingenierías, 2022)Commercial powders of magnesium were processed by high-energy ball milling (HEBM) using a two-stage composite process. The microstructural and morphological evolution of the powders was studied using scanning electron ... -
Electronic, Optical, and Magnetic Properties of Doped Triangular MoS2 Quantum Dots: A Density Functional Theory Approach
(John Wiley and Sons IncCiencias BásicasFacultad de Ciencias Básicas, 2022)A theoretical investigation on electronic states in triangular MoS2 quantum dots of different sizes is performed within density functional theory first-principles formalism. Herein, the associated interband optical response ... -
Disruptive and Conventional Technologies for the Support of Logistics Processes: A Literature Review
(Faculty of Engineering, Universitas IndonesiaAdministración de EmpresasFacultad de Ciencias Económicas y Administrativas, 2021)The supply chain has become a key element of increasing the productivity and competitiveness of companies. To achieve this, it is essential to implement a strategy based on the use of technologies, which depends on knowledge ... -
Eco-friendly materials obtained through a simple thermal transformation of water hyacinth (Eichhornia Crassipes) for the removal and immobilization of Cd2+ and Cu2+ from aqueous solutions
(Elsevier B.V.Ciencias BásicasFacultad de Ciencias Básicas, 2021)Industrialization activities have led to the discharge of heavy metals into water, with an imminent threat to the environment. The use of natural materials as low-cost sorbents for the removal of heavy metals from aqueous ... -
Effect of using effluent from anaerobic digestion of vinasse as water reuse on ethanol production from sugarcane-molasses
(Elsevier B.V.Ingeniería AmbientalFacultad de Ingenierías, 2021)Current global prospects of increasing ethanol production face the problem of one of the highest consumptions of fresh water and the generation of large volumes of effluents. This study evaluated the reuse of effluent from ...