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169  Articles
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The article deals with one of the pilot researches carried out by Ukrainian scholars in primary education in the second half of the 70-s – the first half of the 80-s of the 20th century. The author focuses on the organizational aspects and results of the ... see more

The article deals with one of the pilot researches carried out by Ukrainian scholars in primary education in the second half of the 70-s – the first half of the 80-s of the 20th century. The author focuses on the organizational aspects and results of the ... see more

The aim of this paper is the presentation of the results obtained from the high precision leveling survey carried out from November 6 to 11, 2017, in the area hit by the Md 4.0 Casamicciola earthquake of August 21, 2017, and critical discussion of these r... see more

The monitoring of the vertical behavior of benchmarks installed in the dam crest of the Governador José Richa hydroelectric power plant (UHGJR) has been performed by the first-order differential leveling method with the use of digital leveling systems whi... see more

The development of the Earth Gravitational Model 2008 (EGM2008) model is asignificant contribution for modeling the Earth’s gravity and geoid. Recently, it canbe confidently used versus geometric models following a simple refinementprocedure. Several stud... see more

Bad scheduling and resource management can cause delays or cost overruns. Optimization in solving resource leveling is necessary to avoid those problems. Several objective criteria are used to solve resource leveling. Each of them has the same objective, ... see more

3D Elevation Program (3DEP) aims to generate and disseminate high-resolution topographic elevation data from the source data products including lidar point clouds, original DEMs from which the 3DEP standard DEM datasets were produced, and additional data ... see more

Estudio de la satisfacción de estudiantes de la Facultad Preparatoria con el programa de Química / Study of the satisfaction of students of the Preparatory School with the Chemistry program Estudio de la satisfacción de estudiantes de la Facultad Preparatoria con el programa de Química / Study of the satisfaction of students of the Preparatory School with the Chemistry programObjetivo:valorar el nivel de satisfacción de los estudiantes de la Facultad Preparatoria con el programa de Química que se implementó en el curso 2016-2017. Materiales y Métodos: se utilizan métodos de investigación teóricos, empíricos (encuesta a estudiantes) y matemáticos. Son aportes el cuestionario aplicado y la metodología empleada. Es pertinente porque posibilita el mejoramiento del programa. El nivel de satisfacción se evaluó mediante la técnica de Iadov.Resultados: los estudiantes de la muestra sienten un elevado nivel de satisfacción con el programa perfeccionado de Química, expresado en los índices de satisfacción grupal de 0,84, 0,81 y 0,90 para la satisfacción por recibir el programa de estudio de Química, por utilizar los objetivos de aprendizaje que en él se declaran como guía para el estudio y por el vínculo de este con la Medicina, respectivamente. Otros resultados de este estudio permiten afirmar que la asignatura de Química tiene preferencia por su parte, quienes consideran que posee un estrecho vínculo con otras que se imparten en el curso de nivelación, que contribuye al desarrollo de las habilidades comunicativas, que la literatura fue suficiente y que el apoyo brindado por sus profesores fue adecuado. Por otra parte, consideran que existe una adecuada relación contenidos/tiempo.Conclusiones: todos los resultados obtenidos en esta investigación son de gran utilidad para el sistemático perfeccionamiento de la asignatura de Química como parte del curso de nivelación que se imparte en la Facultad Preparatoria.Palabras clave: técnica de Iadov; niveles de satisfacción; química.ABSTRACTObjetivo: to assess the level of satisfaction of the students of the Preparatory School with the Chemistry program that was implemented in the 2016-2017 academic year.Materials and Methods: theoretical, empirical (student survey) and mathematical methods are used. Contributions are the applied questionnaire and the methodology used. It is pertinent because it makes possible the improvement of the program. The level of satisfaction was assessed using the Iadov technique.Results: the students in the sample feel a high level of satisfaction with the improved Chemistry program, expressed in the group satisfaction indexes of 0.84, 0.81 and 0.90 for the satisfaction of receiving the Chemistry study program , for using the learning objectives that are declared as a guide for the study and for the link of this with Medicine, respectively. Other results of this study allow to affirm that the subject of Chemistry has preference on their part, who consider that it has a close link with others that are taught in the leveling course, which contributes to the development of communication skills, that the literature was sufficient and that the support provided by their teachers was adequate. On the other hand, they consider that there is an adequate content / time relationship.Conclusions: all the results obtained in this research are very useful for the systematic improvement of the subject of Chemistry as part of the leveling course taught at the Preparatory School.Keywords: Iadov technique; levels of satisfaction; chemistry

Objetivo: to assess the level of satisfaction of the students of the Preparatory School with the Chemistry program that was implemented in the 2016-2017 academic year.Materials and Methods: theoretical, empirical (student survey) and mathematical methods ... see more

The aim of this work is to present a case report where an osteointegrated implant was used as skeletal anchorage unit in association with fixed orthodontic appliance in the treatment of an adult patient with vertical asymmetrical skeletal discrepancy. In ... see more

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