Ultrasound Applied in the Reduction of Viscosity of Heavy Crude Oil by Olaya-Escobar, David Roberto, Quintana-Jiménez, Leonardo Augusto, González-Jiménez, Edgar Emir, Olaya-Escobar, Erika Sofia

“…Taking into account that it does not yet operate on an industrial scale, a bibliographic review of the advances in acoustic cavitation technology with ultrasound for the improvement of heavy crude is justified, to contribute to the development of its industrial application by identifying new approaches and research guidelines in engineering and science. The objective of this article is to show the advance of said technology and describe the experiments carried out by various authors. …”

Effects of paclobutrazol and mepiquat chloride on the growth and development of plantain Dominico Hartón (Musa AAB) by Arias-García, Juan Sebastián, Aristizábal-Loaiza, Manuel

“…For this reason, strategies are being sought to improve the performance of this plant with this cosmopolitan pest. This research evaluated the effect of two hormonal regulators on the growth and development of the Dominico plantain. …”

Collaborative learning for the control of weevils in mosaic plants by Rincón, Delia, Martínez, Alfonso, Pinto, Luis, Lozano, José

“…The rubric was the tool that supported the pedagogical evaluation from the collaborative learning in the experimental group and was compared with the traditional evaluation in the control group. Action research was used and the pedagogical process was implemented in theoretical and practical classes. …”

Prevention of Burnout Syndrome Through Neuro-linguistic Programming Supported by the Web of Things: A Systematic Mapping by Rojas-Bolaños, Líder Julián, Niño-Zambrano, Miguel Ángel, Pabón-Guerrero, Andrea

“…However, no work was found that related WoT as a support to NLP techniques to prevent Burnout syndrome, which is considered as a research opportunity in these fields.…”

Adaptation, Comparison, and Improvement of Metaheuristic Algorithms to the Part-of-Speech Tagging Problem by Solano-Jiménez, Miguel Alexis, Tobar-Cifuentes, Jose Julio, Sierra-Martínez, Luz Marina, Cobos-Lozada, Carlos Alberto

“…As a result, they were deployed in this research in a POST problem to assign the best sequence of tags (roles) for the words of a sentence based on information statistics. …”

Use of Convolutional Neural Networks in Smartphones for the Identification of Oral Diseases Using a Small Dataset by Quintero-Rojas, Jormany, González, Jesús David

“…Following the trend of providing tools for diagnosis, this research aimed to develop a prototype mobile application for the identification of oral lesions, including potentially malignant lesions, based on convolutional neural networks, as early detection of indications of possible types of cancer in the oral cavity. …”

Selection of a mathematical model through the AHP methodology to model green roofs in Colombia by Tabares Catimay, Jeniffer, Gallo Martínez, Laura Marely, Mancipe, Néstor Alonso

“…Green roofs (GR) are engineering structures that stores rainwater as an alternative for urban stormwater management. This research is carried out to select a mathematical model to simulate the experimental TV dynamics from Bogotá, improving the decision-making process regarding GR real implementation in intertropical urban areas of Colombia that considers meteorological, substrate and design variables. …”

Water use efficiency in four irrigation regimes in bulb onion production in the Alto Chicamocha Irrigation District by Cely-Reyes, Germán Eduardo, Suárez-Parra, Karen Victoria, González-Forero, Rosalina

“…The objective of this research was to evaluate four irrigation regimes in terms of production and irrigation water efficiency in bulb onion crops. …”

Design of a Neurofeedback Training System for Meditation Based on EEG Technology by Nieto-Vallejo, Andrés Eduardo, Ramírez-Pérez, Omar Fernando, Ballesteros-Arroyave, Luis Eduardo, Aragón, Angela

“…These results might bring new insights for the design of a neurofeedback system interface for meditation. Further research on neurofeedback training interfaces for meditators is suggested to validate these results with more participants.…”

Morpho-agronomic variability in rice genotypes in the Central Pacific, Costa Rica by Zuniga Orozco, Andres, Carrodeguas González, Ayerin

“…The PCA revealed that all the variables, except plant height, contributed to the total variance, and the MCA suggests that the qualitative variables measured in this research are discriminatory to differentiate genotypes. …”

Genotype-environment interaction for production characteristics in cherry tomato (Solanum spp.) by Ceballos-Aguirre, Nelson, Vallejo-Cabrera, Franco Alirio, Morillo-Coronado, Yacenia

“…The objective of this research was to evaluate the genotype-environment interaction for 10 cherry tomato introductions in nine environments, four of which were artificial environments (0, 60, 120 and 180 kg ha-1 of potassium) established in natural environments on the Farms Montelindo, Tesorito and CEUNP. …”

Study of the Impact of Adding Dried Biosolids to Portland-Type Cement when Making Mortars by Hernandez-Garcia, Johan-Felipe, Sánchez-Perdomo, Laura-Julieth, Silva-Vega, Gabriel-Santiago

“…This research focuses on the implementation of dried biosolids from the El Salitre wastewater treatment plant in the city of Bogotá in the mixture for the preparation of N-type mortars as a partial replacement for Portland-type cement. …”

Layouts and spatial configurations: on the trail of urban heritage in Quibdó, Colombia by Rodríguez Echeverry, Natalie

“…This proposal understands the conformation of the layout and the spaces in correlation with diverse social relations, in the knowledges, understandings, appropriations and experiences of the local groups, as well as in the relations of the settlers with the physical and natural environment, as weavings of relations and dynamics that build space and territory. From the research carried out in the urban structure of Quibdó, spatial configurations and characteristic layouts of the city are identified, through which are traced understandings, identities and forms of thought and organization associated with space. …”

Parents in the Educational Management of Rural Schools by Medina-Arévalo, Adriana Del Pilar, Estupiñán-Aponte, María Rosa

“…In the country, the Ministry of National Education proposes to the Institutions to manage their improvement processes by articulating the members of the Educational Community, granting them the role of agents in the process, due to when linking; they contribute to the mobilization of actions promoted by the schools. However, the research on educational management in these contexts, allows to establish that rural education is being studied from its deprivations and has focused on managers and teachers where parents seen as external agents and with very low participation in the various activities that take place inside the establishments. …”

Effect of a diet free of antibiotics, coccidiostats and synthetic amino acids in Cobb 500 sexed chickens by Sánchez Quinche, Angel Roberto, Muñoz Izquierdo , Carla Dennisse, Jurado Correa , Juan Marcelo, León Armijos , Erika María, Pimbosa Ortiz , Dioselina Esmeralda

“…This research was carried out in the experimental area of the Santa Inés Farm belonging to the Faculty of Agricultural Sciences of the Technical University of Machala-Ecuador, with the purpose of evaluating the effect of a diet without antibiotics, coccidiostats and synthetic amino acids, administered to sexed Cobb 500 chickens on the productive parameters: live weight, water and accumulated feed consumption, feed conversion, mortality, ante-mortem weight, carcass weight andcarcass yield percentage. …”

The student movement at the Universidad Pedagógica y Tecnológica de Colombia 1971 by Bernal Villate, Sandra Liliana, Patiño, Diego Eduardo Naranjo

“…Information gathering:The methodology and research strategies focused on the recovery of the memory of the protagonists, which was contrasted with the minutes of the academic and superior councils and the publications of the national press on the subject of student mobilizations. …”

Effect of maturity accelerants on the postharvest behavior of avocados (Persea americana Mill.) cv. Lorena by Alvarez-Herrera, Javier Giovanni, Jaime-Guerrero, Marilcen, Reyes-Medina, Andrea Johana

“…However, there are no studies on this matter because most research is done on the Hass variety, which dominates global production. …”

Gender, equitiy and peace in Guatemala, 1996-2015 by Rouanet Guzmán de Núñez, Rina Patricia

“…Originality/support: it is mainly the comparative review of public policies, which provides references for future initiatives or to improve the existing ones. Method: the research is qualitative in nature, descriptive and analytical. …”

Mathematical models for describing growth in peach (Prunus persica [L.] Batsch.) fruit cv. Dorado by Pinzón-Sandoval, Elberth Hernado, Pineda-Ríos, Wilmer, Serrano-Cely, Pablo

“…Therefore, the objective of this research was to determine the efficiency of mathematical models for describing growth in P. persica cv. …”

Geomorphological anthropogenic dynamics in the municipality of Chía (Cundinamarca, Colombia) by Castiblanco Sierra, Miguel Angel

“…This article describes and analyzes the anthropogeomorphological interventions and changes in the territory of Chía, located in central Colombia in the Eastern Andean Mountain range. The research was based on the advances of the sub-discipline "anthropogeomorphology" and was elaborated from a documentary review, photo-interpretation of inputs, fieldwork and quantitative examination of data. …”