The objective of the research work, was to analyze the curriculum of the programs from “Universidad Francisco de Paula Santander” in San José de Cucuta, Colombia. The sample was participatory non-probability, with the participation of 200 students from Catatumbo and university student’s, both from the different semesters and documents curriculums. A mixed study of sequential explanatory design was applied. In the first quantitative phase, the results were obtained by applying a digital questionnaire to the students. The data were analyzed using the observation guide for their respective analysis. The results of both phases were merged by the contrasting method. The conclusions demonstrate the importance of curriculum for training in research and innovation and critical thinking, curriculum for the creation, adaptation and/or use of communication and information technologies, curriculum for social inclusion in the university.
El pimentón (Capsicum annuum L) es uno de los cultivos de hortalizas más importantes y ampliamente cultivados a nivel mundial. Este estudio determinó la eficacia del test tetrazolio para obtener la viabilidad de semillas de C. annuum. De manera que, semillas de C. annuum se expusieron a dos concentraciones (1% y 0.5%) de tetrazolio y dos tiempos de exposición (24 y 48horas). Ulteriormente, utilizando un microscopio estereoscopio se valoró la tinción de las semillas, estimando como semillas viables las que presentaron coloración roja en el embrión. Por consiguiente, se obtuvieron diferencias estadísticamente significativas (P ≤ 0,05: Tukey HSD) en el tratamiento T4 (0.5 %, 48h) con un 99% de viabilidad. Así mismo, los tratamientos T1 (1 %, 24h) y T2 (0.5 %, 24h) no presentaron diferencias entre sí, siendo el porcentaje de viabilidad 89% y 91% respectivamente. Para la prueba de germinación real, se obtuvo un 84.4% (promedio) de germinación para las 5 repeticiones. Se concluye que mediante el ensayo de tetrazolio la evaluación de la viabilidad en semillas de pimentón es eficiente para las concentraciones de 1% y 0.5 %, durante 24 horas.
Se empleó ceniza volante de una central termoeléctrica, como sustituto parcial de material arcilloso, para la elaboración de cerámicos de construcción. Las probetas se realizaron con sustituciones del 5, 10, 15 y 20% (peso), mediante conformado por extrusión, se emplearon varias temperaturas de cocción (900 a 1200ºC). Esto para establecer correlaciones entre la microestructura, la topografía y las propiedades tecnológicas del cerámico tales como la resistencia mecánica a la flexión, la resistencia a la abrasión profunda, el porcentaje de absorción de agua, la conductividad térmica y la contracción lineal de secado/cocción. El análisis microestructural y de topografía dejó en evidencia que la ceniza volante es rica en fase amorfa y con presencia de elementos de carácter fundente (K y Fe). Los fenómenos de recristalización de sílice presente y el aumento de porosidad parecen explicar el comportamiento obtenido. Sustituciones hasta del 10% de CV permite obtener cerámicos con aplicabilidad en el sector de la construcción.
The objective of the research was to analyse the influence of the Lean Six Sigma management strategy on the process management of the master in mathematical education of the Universidad Francisco de Paula Santander, San José de Cúcuta, Colombia. The research follows a quantitative approach of field type correlational level. For the analysis and interpretation of the information, tools of diagramming, process mapping, descriptive and multivariate analysis, hierarchical, capacity studies, analysis of measurement systems, design of experiments, error tests and control charts were used. Once the lean six sigma philosophy is implemented, continuous improvement is observed, improvements in process capacity, 99.9% effectiveness in measurement variables, improvement in perceptions of the academic and administrative community, and process standardization, the impact of the application of Lean six sigma in a program is evaluated, demonstrating an efficient flow of its products and processes.
The design and operation of sanitary sewerage systems are based on the knowledge of peak and the average daily wastewater flows. The maximum peak factor is obtained through the ratio of the maximum flow and the average discharge flow of wastewater generated in a system. In this sense, the maximum peak factor was estimated by monitoring wastewater flow in an urban sector of the city of San José de Cúcuta, Colombia. This urban sector represents 45.6% of the sanitary sewerage of the city. Stochastic modeling of the peak flow was performed, and a mathematical model was constructed to estimate the maximum peak factor using a correlational study using statistical methodology. Through linear regression analysis, a model was obtained that estimates the value of the maximum peaking factor based on knowledge of the average daily wastewater flow. The results indicate that the model is potential, and the expression is statistically significant and satisfies the assumptions established for the classical linear regression model.
Resilience refers to the student’s ability to overcome emotional periods caused by adverse situations. In this sense, research aims to evaluate the relationship between academic performance in mathematics and physics and school success in higher education students. The research is framed within a quantitative, descriptive-comparative and micro-sociological methodological approach developed with data from primary sources. Data collection was transectional and the sample was 1500 students. The Wagnild and Young resilience scale was used. The results show that there is an important relationship between the level of demand, the application of mathematics and physics, abstraction and academic performance. Students develop emotional resilience skills that allow them to improve their quality of life. In conclusion, resilience is significantly related to all strengths of character, as well as to positive acceptance of change and personal competence. It was identified that, while resilience helps students to be more tolerant and to better understand what is happening in their environment, it is precisely in these challenges that the strengths of high educational performance are manifested. Successful students demonstrate skills in formal thinking, creative thinking, applying mathematics, physics and resilience, all of which impact on their quality of life.
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