This article describes the process of analysis, design and implementation of the reengineering process for the continuous improvement of a distributed system that is integrated by a suite of applications and servers that perform the processing for the simulation in 2D and 3D of chemical reactions and pattern recognition. This distributed system establishes a framework for the modeling, representation and simulation of chemical reactions through compounds and the elements of the periodic table, to support face-to-face activities mediated by technology for the chemistry subjects of the Educational Institutions Superior offered by these Educational Programs. This reengineering process was executed with the implementation of the agile SCRUM methodology for the production of the suite. This suite of applications will allow students and teachers through simulations to understand and understand the interaction of the elements with each other, providing support in real time, fundamental for the understanding of topics such as valence electrons and chemical bonds. , which will allow undoubtedly to support the training process of students
This article describes the process of analysis, design and implementation of a web system for the management of the evaluation processes of the Institutional Tutoring Programs of the Higher Education Institutions that make up the Central West Region of the Asociación Nacional de Universidades e Instituciones de Educación through the collaboration of the Tutoring Network and the Tutoring Department of the Universidad Tecnológica de Jalisco. This process was developed through the agile SCRUM methodology due to the periodicity of the phases and their implementation. The objective of the system is to automate the peer evaluation process in which the members of the Network participate as a continuous improvement strategy and that directly affects the comprehensive training of students, in addition to being consistent with the Quality Management Systems of the HEIs and with the recommendations of the Accrediting Experts of the Consejo para la Acreditación de la Educación Superior and the criteria of the Federación de Instituciones Mexicanas Particulares de Educación Superior as processes that ensure quality in Educational Programs, contributing to the continuous improvement of support services for students.
In this work, the capability to use pine rosin as a biodegradable coupling agent/compatibilizer is studied. To formulate composites, post-consumer polypropylene and discarded agave fibers (as reinforcing agent) are coupled with pine rosin (in pure or maleated form). Besides, poly(lactic acid) (PLA) with poly(butylene adipate-co-terephthalate) (PBAT) are compatibilized with maleated pine rosins to prepare biodegradable blends. For the coupling agent role, the pure or maleated rosin (Amberyl M-15A) are compared with a commercial polyolefin coupling agent (Epolene E-43), while for the blends, two maleated rosins (Amberyls M-15A and MP-30) are used as compatibilizers. Dynamic and static mechanical tests show considerable increments in moduli and strength for both types of polymeric materials surpassing the role of the Epolene E-43 for the composite materials (v.g. 45.2 vs 16.5 increment in storage modulus, or 61.5 vs 40.3 for Young's modulus in specific tests). Scanning electron microscopy photographs clearly show the interfacial interaction effect within composites and polymer blends. Fourier transform infrared spectroscopy allowed the observation of the aforementioned interactions at bond level. Blends biodegradation performed by composting for 3 months exceeded 76% of weight loss. The multirole of modified natural maleated gums as coupling agents/compatibilizers is demonstrated.
This article describes the process of analysis, design and implementation of a distributed system consisting of a suite of applications, in which there is a web, a desktop and a mobile and two servers that perform the processing for the optical recognition of patterns, 2D and 3D simulation, session management and also provide the information of the periodic table. This distributed scheme establishes the frame of reference for the modeling, representation and simulation of chemical reactions through compounds and elements of the periodic table, for the support of classroom activities in the chemistry laboratories of the Educational Institutions that offer these subjects . The development of the software required the implementation of the agile SCRUM methodology for the production of the suite, which will help users through simulations to understand and understand the interaction of the elements with each other, providing visual support fundamental for the understanding of topics such as valence electrons and chemical bonds, which allows the development of the skills described in the graduation competencies of these Institutions.
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