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1
tesis de maestría
Publicado 1986
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Formula un procedimiento que reduce el número de estructuras de proceso mediante la implementación sistemática de modificaciones topológicas para maximizar la rentabilidad del proceso. El presente trabajo formula un procedimiento heurístico evolucionario para la selección preliminar de estructuras de proceso competitivas contando con un conjunto inicial de estructuras alternativas. El procedimiento de selección es organizado como un problema de optimización con el objetivo único de maximizar la ganancia. Para aproximarse a la ganancia óptima se realizan modificaciones topológicas a las estructuras de proceso iniciales. Tales modificaciones se basan en el análisis paramétrico de las variables independientes del balance de materiales. Así se obtiene un conjunto final de estructuras de proceso mejoradas.
2
artículo
Publicado 2022
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The Universidad Nacional Abierta y a Distancia (UNAD), a public higher education institution in Colombia, offers distance education programs at different levels of technical and professional training, specializations, and master’s degrees in virtual learning environments. Therefore, those entering the unadista student community for the first time require induction systems and tools that help their entry, adaptation, and transition to virtual training. Thus, an information system that supports the induction process of first time students focused on their transition from face-to-face to virtual training is needed. This information system must comply with two basic requirements: firstly, to be an online system that guides students in the first steps of their virtual training and, secondly, to help the university’s decision-making regarding the induction tools and the adaptation resource...
3
artículo
Publicado 2022
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The Universidad Nacional Abierta y a Distancia (UNAD), a public higher education institution in Colombia, offers distance education programs at different levels of technical and professional training, specializations, and master’s degrees in virtual learning environments. Therefore, those entering the unadista student community for the first time require induction systems and tools that help their entry, adaptation, and transition to virtual training. Thus, an information system that supports the induction process of first time students focused on their transition from face-to-face to virtual training is needed. This information system must comply with two basic requirements: firstly, to be an online system that guides students in the first steps of their virtual training and, secondly, to help the university’s decision-making regarding the induction tools and the adaptation resource...
4
artículo
Publicado 2018
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Through coordination between the Regional Government of Cusco, UNESCO and the World Bank, the Plan for Mobility and Public Space Cusco 2025 was born. This plan aimed to order the vehicular system of the city, generate neighborhoods where the population can occupy the public space enjoying the streets, parks and squares, and implement a new urban transport model consisting of a main route with intelligent traffic lights. The process of formulating this plan has been surrounded by technical, political and coordination conflicts between the different institutions involved. Additionally, it came into conflict with the city models and the interests of different local actors, such as the residents of the city center, the tourism companies, among others.This paper aims to identify the factors that hindered the development of the Cusco Plan by 2025, placing special emphasis on the definitions of...
5
artículo
Publicado 2021
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The present work aims to determine the effect of a pellet formulation based on Andean crops (arracacha, achira, mashua, oca, cañihua and tarwi) in a murine model as a useful criterion for the design of food products with added value. taking into account the weight and height gain of rodents of the BALB / C-53 strain. Taguchi's methodology was used in the formulation and optimization process, which allowed working with six factors: arracacha (Ar) Arracacia xanthorrhiza, achira (Ac) Canna indica L., mashua (Ma) Tropaeolum tuberosum, oca (Oc) Oxalis tuberosa, cañihua (Ca) Chenopodium pallidiulle aellen, tarwi (Ta) Lupinus mutabilis, with 2 levels of work, for this orthogonal matrix L8 was determined (27). 8 treatment groups were formed for each of the formulations in the form of pellets (F1, F2, F3, F4, F5, F6, F7 and F8) and a control group, the different formulations were administered f...
6
artículo
Publicado 2016
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The Peruvian company Cerartec S.A has developed ceramic-based electrical insulators for medium voltage lines. These products, ANSI 53-2 type (Spool and Guy Strain Insulators), are composed mainly of peruvian raw materials. Both formulation and process have an influence on residual porosities. Relevant parameters of formulation and process have been identified. In the investigated range, a linear relationship was drawn between porosities and flexural modulus of rupture. The new ceramic electrical insulators have been tested in terms of dielectric resistance, in dry and wet conditions.
7
artículo
Publicado 2006
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The article deals with the application of the mixed whole linear programming(MWLP) as a tool for the planning of import within the contex of a company devoted to the manufacturing and selling of steel components. A mathematical model is buil that adapts to the characteristics of the import processes of the company, and whose objetive will be to decide which imports plan with a definite regime and with the minimum of total costs will be chosen. In this second part, the results of the mathematical pattem are presented.
8
artículo
Publicado 2006
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The article deals with the application of the mixed whole linear programming(MWLP) as a tool for the planning of import within the contex of a company devoted to the manufacturing and selling of steel components. A mathematical model is buil that adapts to the characteristics of the import processes of the company, and whose objetive will be to decide which imports plan with a definite regime and with the minimum of total costs will be chosen. In this second part, the results of the mathematical pattem are presented.
9
artículo
A standard formulation for pisco sour elaboration was established using Taguchi method; as a result of the combination of two levels (minimum and maximum) for sugar syrup, lemon juice and egg albumen, four formulas were analyzed by sensory test in relation to general acceptability (appearance and flavor).The most significant factor in acceptability (flavor) was the sugar syrup, so it was considered its maximum level corresponding to the best ranked formula. The most acceptable formulation for 100ml of pisco (from quebranta grape), includes 50g of ice cubes, 36ml of sugar syrup, 30ml of lemon juice and 10ml of egg albumen at normalized preparation process.
10
artículo
A standard formulation for pisco sour elaboration was established using Taguchi method; as a result of the combination of two levels (minimum and maximum) for sugar syrup, lemon juice and egg albumen, four formulas were analyzed by sensory test in relation to general acceptability (appearance and flavor).The most significant factor in acceptability (flavor) was the sugar syrup, so it was considered its maximum level corresponding to the best ranked formula. The most acceptable formulation for 100ml of pisco (from quebranta grape), includes 50g of ice cubes, 36ml of sugar syrup, 30ml of lemon juice and 10ml of egg albumen at normalized preparation process.
11
artículo
A standard formulation for pisco sour elaboration was established using Taguchi method; as a result of the combination of two levels (minimum and maximum) for sugar syrup, lemon juice and egg albumen, four formulas were analyzed by sensory test in relation to general acceptability (appearance and flavor).The most significant factor in acceptability (flavor) was the sugar syrup, so it was considered its maximum level corresponding to the best ranked formula. The most acceptable formulation for 100ml of pisco (from quebranta grape), includes 50g of ice cubes, 36ml of sugar syrup, 30ml of lemon juice and 10ml of egg albumen at normalized preparation process.
12
artículo
The analysis and strategic formulation is a strategic assessment and preparation process of designing the future of industry, business or enterprise. The goal is to develop some elements for discussion and unification of several directives conceptions. The phases of strategic analysis are five: 1) Input phase, summarizes initial data and raises the company’s strategic position and products, 2) Analysis phase, integrates external and internal factors and raises strategic alternatives, 3) Output phase consolidate all strategies considering their technical feasibility, 4) Qualifying phase of the alternatives that fulfill the condition F + D and create value, 5) Evaluation and decision, choosing strategies that deliver value to the company. The expected result considers that, from an initial situation where analysis and long-term projection of insufficient or non-existent it passes to new ...
13
artículo
Publicado 2021
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Objective: To systematize the process of diagnosis and treatment plan formulations in participatory groups of users and professionals, called Fostering Groups, as an alternative to the conventional model of individual and sequential psychiatric consults, in the field of community mental health. Material and Methods: The study was carried out in a community mental health center (CMHC) in Lima throughout the period January-December 2018. An action-research methodology was followed, in which proposals arising from the experiences were put into action to, then, critically analyze the and adjust them successively until reaching a point of standardization or consensus among the participants. Results: The participatory model was applied in 97% of the users during the observation period and the formulation of diagnoses and treatment plans during the Foster Group session was succ...
14
artículo
Publicado 2025
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The report addresses the management of parallel processes and synchronization in concurrent systems, highlighting common problems in accessing shared resources that affect efficiency and stability. It also highlights the need to optimize the management of large volumes of data and improve academic cooperation to develop advanced solutions.The objective of the study is to identify and analyze synchronization strategies that optimize parallel processes, evaluating their effectiveness in different scenarios and offering recommendations based on recent literature. A systematic review was conducted using the PRISMA methodology, selecting relevant articles published in the last five years and formulating key questions to guide the analysis. The results highlight that non-blocking strategies are more effective for managing shared resources, and techniques such as the use of mutex and actor mode...
15
artículo
Publicado 2017
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In this article, we formulate a physiological process through a two-dimensional fluid-structure interaction problem between the airflow and the pulmonary alveolus in the Eulerian-Lagrangian Arbitrary (ALE) frame.This problem arises by coupling the equations of the fluid and the structure, described by the Navier-Stokes equations of evolution for incompressible flows, and an equilibrium equation, respectively.
16
artículo
Publicado 2017
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In this article, we formulate a physiological process through a two-dimensional fluid-structure interaction problem between the airflow and the pulmonary alveolus in the Eulerian-Lagrangian Arbitrary (ALE) frame.This problem arises by coupling the equations of the fluid and the structure, described by the Navier-Stokes equations of evolution for incompressible flows, and an equilibrium equation, respectively.
17
artículo
Macro-regions emerge as a strategic instrument of the State whose purpose is to overcome the current centralism that prevails in the national productive system, as a result of the growth models and the evolutionary development of our society. Therefore, a new role of the State is required, in order to formulate plans and policies to promote a set of strategies around macro-regions, in the scenario of a process of change of national-regional development and the application of a “Development Model from the inside out”.
18
artículo
Publicado 2024
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Research in academic literacy has shown that scaffolding improves the reading of disciplinary texts. Included among the considered variables is the lexica. A robust vocabulary will result in better reading performance. To verify this, a semantic priming task and a reading comprehension test were applied to 31 first-year pedagogy students to establish whether there is a correlation between lexical processing and reading. The main findings indicate the establishment of weak semantic relations and normal reading performance. It is concluded that better reading performance is associated with slower lexical processing, which would suggest that readers engage in strategic operations to address comprehension tasks. This will allow for the formulation of scaffolding actions that highlight the importance of mastering the disciplinary vocabulary in order to safeguard an adequate reading task.
19
artículo
Publicado 2013
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The plant layout problem can be generalized as a case intensively studied combinatorial optimization and therefore its nature is a NP- hard. The core of the problem originally introduced as the Systematic Distribution Planning , a multi -criteria and relatively simple, has been extended to larger contexts , through the formulation as a mathematical model based on the nature of the workshops . Given the computational complexity of the calculations have been developed heuristics ,metaheuristics and others to obtain approximate solutions . The aim of this study is to analyze recent research on plant distribution problems within the industrial context by classifying and comparing the representation of the problem , solution methods , constraints and the objective function used . The report covers more than 30 peer-reviewed articles on the subject. Particular attention is placed on recent pub...
20
artículo
Publicado 2019
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This research is based on the need to develop a new production line for fruit ice cream. Currently, tamarind in the national market can be found in products such as marcianos, cremoladas, ingredients in the kitchen, jellies or as fruit. The proposal of the work is innovative, since it raises the possibility of taking advantage of the pulp of the fruit in ice cream as an industrial input, due to the high concentration of tartaric acid found in the pulp. For ice cream, hydrocolloids (guar gum and xanthan gum) are used to provide a typical texture of fruit ice cream with milk, in addition to being enriched with ascorbic acid as a source of vitamin C. Three ice cream formulations were made that in its last stage mixing and freezing processes were assembled at an industrial artisanal ice cream plant to have better sensory characteristics. Ice creams were tasted and evaluated by means of a sur...
