Now showing items 206-212 of 212

UNC-analista: hacia la captura de un corpus de requisitos a partir de la aplicación del experimento Mago de Oz

Zapata-Jaramillo, C. M. (Carlos Mario); Olaya, N. (Natalí); Palacio, C. (Carolina) (Administrativa, Financiera, Sistemas y ComputaciónEscuela de Ingeniería de Antioquia EIA, 2014-05-08)

Requirements elicitation is one of the most important phases in software development process. A good requirements understanding can lead to better software products, achieving satisfaction of stakeholder needs. However, ...
Uso de la espectroscopia IR para estudiar la transformación térmica que experimenta una arcilla caolinítica

Mejía, J. E. (Julio Eduardo); Bolaños, J. O. (Javier Oswaldo); Rodríguez, Jorge Enrique (Fondo Editorial EIA, 2013-11-06)

To promote the use of local raw materials (La Tetilla, Cauca) it is necessary to know more about their structural features and their response to certain treatments, including thermal treatments. In this work, a local raw ...
Uso de lodos provenientes de la industria papelera en la elaboración de paneles prefabricados para la construcción

Quinchía-Figueroa, A. M. (Adriana María); Valencia-García, M. F. (Marco Fidel); Giraldo-Orozco, J. M. (Jorge Mario) (Civil, Ambiental Geológica e IndustrialEscuela de Ingeniería de Antioquia EIA, 2014-05-08)

This work was based on the fabrication of drywalls as nonstructural elements for the construction industry, from the beneficial of the residual sludge from the treatment of waters served as the paper industry. The optimal ...
Validación del método para la obtención automática del diagrama de objetivos desde esquemas preconceptuales

Zapata-Jaramillo, C. M. (Carlos Mario); Lezcano-Rodríguez, L. A. (Luis Alfonso); Tamayo-Osorio, P. A. (Paula Andrea) (Administrativa, Financiera, Sistemas y ComputaciónEscuela de Ingeniería de Antioquia EIA, 2014-05-08)

According to the Custom Development Method (CDM), the first phase of the software development process is commonly the definition phase. Processes related to the organization in which the software application is needed, ...
Valoración de recursos minerales bajo la teoría del desarrollo sostenible

Rojas, C. (Carlos) (Fondo Editorial EIA, 2013-11-25)

The document presents a methodology for valuation of mineral resources under the sustainable development concept. The first part contains an analysis of the sustainable development concept applied to the mining process, ...
Vidriado con láser de Nd:YAG sobre azulejos recubiertos de barnices de cobalto con frita borácica y sin frita

Gómez-Botero, M. A. (Maryory Astrid); Restrepo, José William (Fondo Editorial EIA, 2013-11-26)

Ceramic and architectonic materials industries employ different marking techniques with two classical applications, identification and decoration of manufactured objects. Laser techniques using for these proposes are been ...
Why animals come together, with the special case of mixed-species bird flocks

Colorado, Gabriel Jaime (Fondo Editorial EIA, 2013-10-23)

El comportamiento de agrupamiento es un fenómeno biológico global y ubicuo en el reino animal que ha atraído considerable atención en muchos contextos. Los dos factores principales que se cree favorecen la vida en grupo ...

Envíos recientes

UNC-analista: hacia la captura de un corpus de requisitos a partir de la aplicación del experimento Mago de Oz
...
Zapata-Jaramillo, C. M. (Carlos Mario) | 2014-05-08

Requirements elicitation is one of the most important phases in software development process. A good requirements understanding can lead to better software products, achieving satisfaction of stakeholder needs. However, requirements-capture process is sometimes difficult for analysts, because of the face-to-face character of the meetings required for it and because of difficulties of people for expressing clearly their ideas. In this paper we present UNC-Analista, a proposal for Wizard-of-Oz experiment focused on the design of a dialogue-controlled system for helping the analyst labor in the requirements elicitation process. With this system will be possible to capture a requirements corpus, for leading a future development of an automatic requirements elicitation system.

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Uso de la espectroscopia IR para estudiar la transformación térmica que experimenta una arcilla caolinítica
...
Mejía, J. E. (Julio Eduardo) | 2013-11-06

To promote the use of local raw materials (La Tetilla, Cauca) it is necessary to know more about their structural features and their response to certain treatments, including thermal treatments. In this work, a local raw material (La Tetilla, Cauca) was thermally treated and its behavior was studied with IR spectroscopy. Using a deconvolution band method and the integrated area concept to treat the results, we can describe the structural transformation of this clay that contained kaolin. The results of IR spectroscopy showed that the solid presented an important transformation between 500 y 700 °C. This process was determined because in this temperature range the integrated area of the bands associated to kaolin (~3629 and ~3695 cm-1), and to Al-OH (~910 cm-1) and Si-O-Al (~532 cm-1) decreased. On the other hand, in this range the surface OH (~3465 cm-1) and S i-O-Si bonds (~470 cm-1) increased.

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Uso de lodos provenientes de la industria papelera en la elaboración de paneles prefabricados para la construcción
...
Quinchía-Figueroa, A. M. (Adriana María) | 2014-05-08

This work was based on the fabrication of drywalls as nonstructural elements for the construction industry, from the beneficial of the residual sludge from the treatment of waters served as the paper industry. The optimal mixtures, the suitable materials, and the stages of the process of fabrication of the panels to develop pieces were defined that fulfill the standards of resistance required and the technical norms associated to this kind of products. In this form not only new options of materials in the region are offered, but also offers an enormous environmental benefit from the assessment of an industrial waste assessment generated in great quantities.

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Validación del método para la obtención automática del diagrama de objetivos desde esquemas preconceptuales
...
Zapata-Jaramillo, C. M. (Carlos Mario) | 2014-05-08

According to the Custom Development Method (CDM), the first phase of the software development process is commonly the definition phase. Processes related to the organization in which the software application is needed, problems that motivates the development process, and objectives associated with several organizational areas are determined in this phase. KAOS (Knowledge Acquisition Automated Specification) goal diagram is used in this phase to describe high-level organizational goals and then divide them into sub-objectives concerned with the stakeholder needs and expectations. Software Engineering group of the Escuela de Sistemas of the Universidad Nacional de Colombia developed a method to automate the KAOS goal diagram obtaining from Pre-conceptual Schemas, which are diagrams to describe the organizational processes and vocabulary linked with the software development. We use in this paper three case studies in order to validate such a method. The case studies are reported in specialized papers about this issue.

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Valoración de recursos minerales bajo la teoría del desarrollo sostenible
...
Rojas, C. (Carlos) | 2013-11-25

The document presents a methodology for valuation of mineral resources under the sustainable development concept. The first part contains an analysis of the sustainable development concept applied to the mining process, after this there is a summary of the mining process and the environmental task to be done, and finally, starting from the analysis of rent, benefit-cost analysis (Hotelling and Hartwick rules), it is described how to obtain the maximum unit value per unit of measure that may have a defined mineral resource. The mechanism of internalization of externalities and monetization is used to get communication between the sciences involved in a mining project. This whole process has time scales and is brought to a net present value. The discount rates to be used to get the present value could be split in different rates for the operational, social, and environmental issues, but the definition of which is going to be used has to be defined by those who use the methodology. The implementation of this methodological proposal is comparable to the implementation of a social and environmental policy for businesses as it incorporates many of the elements necessary to obtain the social license of operation.

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Vidriado con láser de Nd:YAG sobre azulejos recubiertos de barnices de cobalto con frita borácica y sin frita
...
Gómez-Botero, M. A. (Maryory Astrid) | 2013-11-26

Ceramic and architectonic materials industries employ different marking techniques with two classical applications, identification and decoration of manufactured objects. Laser techniques using for these proposes are been implemented in growing way, due to theirs advantages with regard to the conventional baking such as: heat is concentrated only on the radiated zone which involves a smaller energy consumption without affecting significantly the rest of the piece; graphic patterns with of highly spatial resolution are obtained; it permits to introduce changes during the process no requiring long stops and low or almost none generation of residues. In this study the results obtained from Nd:YAG (l=1064 nm) laser glazing on the enameled surfaces of glazed tiles, which were previously covered with cobalt black pigment and an enamel constituted with this same pigment and borax frit, are presented. With the laser operating in continuous wave (CW), a series of lines were marked, whose width and depth showed a direct dependence with the variation in the power and scan speed of the laser beam on the glazed tile surface. Finally, these glazed lines were characterized by optical microscopy, energy dispersión spectroscopy (EDS), and X- ray diffraction (XRD).

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Why animals come together, with the special case of mixed-species bird flocks
...
Colorado, Gabriel Jaime | 2013-10-23

El comportamiento de agrupamiento es un fenómeno biológico global y ubicuo en el reino animal que ha atraído considerable atención en muchos contextos. Los dos factores principales que se cree favorecen la vida en grupo son la disponibilidad de alimento y la presencia de predadores. En esta revisión se exploraron las principales teorías publicadas en la literatura que tratan de dar explicación al comportamiento de agrupamiento en animales. Esta revisión se divide en dos secciones. Inicialmente, se describen las principales teorías así como los potenciales mecanismos asociados al beneficio de agruparse. Posteriormente, se presenta un caso especial en un sistema social animal llamado bandadas mixtas de especies de aves, explorando la información disponible en relación a las causas potenciales que hacen que las aves se asocien en esta particular agregación.

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Browsing Revista EIA by Title

UNC-analista: hacia la captura de un corpus de requisitos a partir de la aplicación del experimento Mago de Oz

Uso de la espectroscopia IR para estudiar la transformación térmica que experimenta una arcilla caolinítica

Uso de lodos provenientes de la industria papelera en la elaboración de paneles prefabricados para la construcción

Validación del método para la obtención automática del diagrama de objetivos desde esquemas preconceptuales

Valoración de recursos minerales bajo la teoría del desarrollo sostenible

Vidriado con láser de Nd:YAG sobre azulejos recubiertos de barnices de cobalto con frita borácica y sin frita

Why animals come together, with the special case of mixed-species bird flocks

Envíos recientes

UNC-analista: hacia la captura de un corpus de requisitos a partir de la aplicación del experimento Mago de Oz

Uso de la espectroscopia IR para estudiar la transformación térmica que experimenta una arcilla caolinítica

Uso de lodos provenientes de la industria papelera en la elaboración de paneles prefabricados para la construcción

Validación del método para la obtención automática del diagrama de objetivos desde esquemas preconceptuales

Valoración de recursos minerales bajo la teoría del desarrollo sostenible

Vidriado con láser de Nd:YAG sobre azulejos recubiertos de barnices de cobalto con frita borácica y sin frita

Why animals come together, with the special case of mixed-species bird flocks

Biblioteca Universidad Escuela Ingenieros de Antioquia

Browsing Revista EIA by Title

UNC-analista: hacia la captura de un corpus de requisitos a partir de la aplicación del experimento Mago de Oz ﻿

Uso de la espectroscopia IR para estudiar la transformación térmica que experimenta una arcilla caolinítica ﻿

Uso de lodos provenientes de la industria papelera en la elaboración de paneles prefabricados para la construcción ﻿

Validación del método para la obtención automática del diagrama de objetivos desde esquemas preconceptuales ﻿

Valoración de recursos minerales bajo la teoría del desarrollo sostenible ﻿

Vidriado con láser de Nd:YAG sobre azulejos recubiertos de barnices de cobalto con frita borácica y sin frita ﻿

Why animals come together, with the special case of mixed-species bird flocks ﻿

Envíos recientes

UNC-analista: hacia la captura de un corpus de requisitos a partir de la aplicación del experimento Mago de Oz

Uso de la espectroscopia IR para estudiar la transformación térmica que experimenta una arcilla caolinítica

Uso de lodos provenientes de la industria papelera en la elaboración de paneles prefabricados para la construcción

Validación del método para la obtención automática del diagrama de objetivos desde esquemas preconceptuales

Valoración de recursos minerales bajo la teoría del desarrollo sostenible

Vidriado con láser de Nd:YAG sobre azulejos recubiertos de barnices de cobalto con frita borácica y sin frita

Why animals come together, with the special case of mixed-species bird flocks

Biblioteca Universidad Escuela Ingenieros de Antioquia

UNC-analista: hacia la captura de un corpus de requisitos a partir de la aplicación del experimento Mago de Oz

Uso de la espectroscopia IR para estudiar la transformación térmica que experimenta una arcilla caolinítica

Uso de lodos provenientes de la industria papelera en la elaboración de paneles prefabricados para la construcción

Validación del método para la obtención automática del diagrama de objetivos desde esquemas preconceptuales

Valoración de recursos minerales bajo la teoría del desarrollo sostenible

Vidriado con láser de Nd:YAG sobre azulejos recubiertos de barnices de cobalto con frita borácica y sin frita

Why animals come together, with the special case of mixed-species bird flocks