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Abundance and distribution of cigarette butts on the sand of five touristic beaches in Latin America during the COVID-19 pandemic
(2023-07-15)
Cigarette butts (CB) and cigarette butt fibers (CBF) are highly abundant and frequent residues on beach sand.
Also, they are hazardous waste due to their significant toxicity and potential risk to the ecosystems’ biota ...
Hydropower Advantages over Batteries in Energy Storage of Off-Grid Systems: A Case Study
(2023-08-30)
Microgrids are decentralized power production systems, where the energy production and consumption are very close to each other. Microgrids generally exploit renewable energy sources, encountering a problem of storage, as ...
V International Workshop on Applied Statistic and Data Science
(2023-09-18)
El valor de los datos y de los profesionales con experiencia en datos esta creciendo exponencialmente.
Los expertos prevén que el mercado mundial de big data crecerá hasta los 103.000 millones de dólares
en 2027, duplicando ...
Analysis in circular economy research in Latin America: A bibliometric review
(2023-09-09)
Circular Economy (CE) plays a crucial role in Latin America, where the transition to new economic development models poses significant challenges. This study conducts a bibliometric analysis of CE research in the region ...
Dimethylformamide Impurities as Propylene Polymerization Inhibito
(2023-09-18)
This research study examined how the use of dimethylformamide (DMF) as an inhibitor af fects the propylene polymerization process when using a Ziegler–Natta catalyst. Several experiments
were carried out using TiCl4/MgCl2 ...
Experimental–Density Functional Theory (DFT) Study of the Inhibitory Effect of Furan Residues in the Ziegler–Natta Catalyst during Polypropylene Synthesis
(2023-09-21)
In this experimental–theoretical study, the effect of furan on Ziegler–Natta catalyst produc tivity, melt flow index (MFI), and mechanical properties of polypropylene were investigated. Through
the analysis of the global ...
Effect of the financial structure on the liquidity risk of SMEs in Cartagena as a base of project formulation
(2023-06-09)
The Liquidity Risk in Small and Medium Enterprises - SMEs in the City of Cartagena-Colombia is analyzed, based on the determination
of their Capital Structure. The variables, liquidity risk (dependent) and capital structure ...
The DESI Survey Validation: Results from Visual Inspection of Bright Galaxies, Luminous Red Galaxies, and Emission-line Galaxies
(2023-01-20)
The Dark Energy Spectroscopic Instrument (DESI) Survey has obtained a set of spectroscopic measurements of galaxies
to validate the final survey design and target selections. To assist in these tasks, we visually inspect ...
Efficiency analysis trees as a tool to analyze the quality of university education
(2023)
This research aims to design a quality management tool in education. The methodology comprises two stages: first, the construction of the decision tree model, and second, the efficiency evaluation. For the validation and ...
A Six Sigma and DEA approach for learning outcomes assessment at industrial engineering programs
(2023)
This research assesses the performance of 89 industrial engineering degrees in Colombia. The proposed approach articulates the Six Sigma concept of quality with the efficiency assessment from data envelopment analysis. The ...
Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.