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Now showing items 1441-1450 of 1460
El acceso a internet como derecho humano con alcance socio-colectivo
(2024-03-17)
[Purpose] The article intends to determine if Internet access can be considered as a Human
Right according to the postulates of the constitutional generations currently provided for
in the Colombian Political Constitution ...
Revised cross-correlation and time-lag between cosmic ray intensity and solar activity using chatterjee’s correlation coefficient
(2024)
This study revisits the cross-correlation between cosmic ray intensity (CRI) and solar activity (SA) by comparing traditional Pearson correlation
with Chatterjee’s correlation coefficient. Traditional analyses using Pearson ...
Data collection
(2024-09)
Data gathering, the first step in generating knowledge, is a process that must proceed in line with communities’ needs and peoples’ practices. In this chapter, authors present case studies showing how technology can expedite ...
Anatomy of the economic value generated by a cultural event
(2024-06-27)
El artículo mide los efectos económicos de las decisiones tomadas por dos agentes del sector cultural y creativo. Los gestores de un evento cultural deciden producirlo: movilizan un flujo de artistas y creativos que ...
QCL infrared spectroscopy combined with machine learning as a useful tool for classifying acetaminophen tablets by brand
(2024-07-28)
The development of new methods of identification of active pharmaceutical ingredients (API) is a subject of paramount importance for research centers, the pharmaceutical industry, and law enforcement agencies. Here, a ...
Computational study on the inhibition mechanisms of the ziegler-natta catalyst in the propylene polymerization process: part 1 effects of acetylene and methylacetylene
(2024-10-01)
Acetylene and methylacetylene are impurities commonly found in the raw materials used for the production of polymers such as polypropylene and polyethylene. Experimental evidence indicates that both acetylene and methylacetylene ...
A study on the early degradation of the non-additive polypropylene–polyethylene composite sampled between the polymerization reactor and the deactivation-degassing tank
(2024-08-09)
The industrial production of polypropylene–polyethylene composites (C-PP-PE) involves the generation of waste that is not usable, resulting in a significant environmental impact globally. In this research, we identified ...
Composite coatings of gellan gum and inulin with lactobacillus casei: enhancing the post-harvest quality of guava
(2024-09-09)
Guava is a highly sought-after tropical fruit in the market due to its high content of vitamins, minerals, antioxidants, and other phenolic compounds. However, due to its climacteric nature, it has a short post-harvest ...
Three-dimensional object texturing for visible-thermal fringe projection profilometers
(2024-09-30)
Conventional fringe projection profilometers utilize cameras and projectors in the visible spectrum. Nevertheless, some applications require profilometers with a complementary thermal camera for the infrared spectrum. Since ...
Applied investigation of methyl, ethyl, propyl, and butyl mercaptan as potential poisons in the gas phase polymerization reaction of propylene
(2024-10-10)
The polypropylene (PP) synthesis process is crucial in the plastics industry, requiring precise control as it directly impacts the catalytic activity and the final product’s performance. This study investigates the effects ...
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.
