El proyecto actual expone el diseño y la implementación de un prototipo de estación meteorológica remota, para el Observatorio Astronómico de Quito (O.A.Q.), con la finalidad de obtener información meteorológica del medio ambiente. De esta manera, esta dependencia de la…

Several surveys have indicated that many data warehouses fail to meet business objectives or are outright failures. One reason for this is that requirement engineering is typically overlooked in real projects. This paper addresses data warehouse design from a business…

This work describes two media converter prototypes for transmitting 10Mb/s & 100Mb/s Ethernet data over large core (1mm) Step-Index Polymer Optical Fiber (SI-POF). In terms of reach, both prototypes greatly outperform previously published results and current commercial media converters based…

This work studied the effect of treatment with a high frequency ultrasound bath (40 kHz and a power of 80 W.) on the pH, foaming capacity and stability of the foam of the white of hens eggs (sample 1/120 hours…

Teacher education programs are an important alternative to raise standards in the teaching of English as a Foreign Language (EFL). However, there are few studies that have explored the roles of teacher educators in this setting. Three main research questions…

Las poblaciones de altura se desarrollan en ambientes determinados por la disminución de la presión de oxígeno en el aire, a la que se suman características climáticas extremas, como intensa radiación solar, bajas temperaturas con gran amplitud térmica, extremada aridez…

El presente artículo describe un sistema de adquisición de datos para un medidor de deformación. Se presenta el análisis del diseño de la circuitería y la programación, los resultados obtenidos y finalmente algunas conclusiones.

E-mail texts are hard to process due to their short length. In this article, the use of a diffuse neural network that is capable of identifying the most relevant terms in a set of e-mails is proposed. The associations between…

Purpose: To determine which of the intangible resources possessed by companies from the Spanish viticultural sector can serve as a source of competitive advantage in the development of their international strategies. Exploratory study of the impact of the different intangible resources…

Purpose: The purpose of this paper is to review the literature, for both theoretical foundations and empirical research, in order to establish relationships between the variables related to human factors and their impact on productivity.Design/methodology/approach: The strategy employed corresponds to a descriptive…