There are different approaches used by mathematics teacher educators to help pre-service primary teachers develop the useful skills and knowledge required to teach mathematics. One of these approaches is concerned to learning to notice relevant aspects in mathematics teaching. But…

En este trabajo se analiza el capital medioambiental, como parte del capital intelectual global de la empresa, resultado de la combinación de tres grandes grupos: el capital medioambiental humano, el capital medioambiental estructural y el capital medioambiental relacional. Debido a…

Design and optimization of distillation columns for ethanol dehydration, using a hydrocarbon as entrainer, implies a good knowledge of vapor-liquid (VLE), liquid-liquid (LLE) and vapor-liquid-liquid equilibrium (VLLE). Chemical process simulation programs always require the use of a thermodynamic model that…

Purpose – Information and communication technologies have became pervasive in people’s lives and in this changing world education cannot remain anchored in old-fashioned models which ignore the evolution through which society is going. This paper seeks to present the gamble…

The chemical effects of acoustic cavitation are obtained in sono-reactors built-up from a vessel and an ultrasonic
source. In this paper, simulations of an existing sono-reactor are carried out, using a linear acoustics model, accounting
for the vibrations of the…

An automatic disassembly cell requires of a
computer vision system for recognition and localization of
the products and each of theirs components. The detection
of occlusions adds more information to the knowledge base
to identify components and products, and generate…

This article overviews the concepts of distributed intelligence, outlining the motivations for studying this field of research. First, common systems of distributed intelligence are classified based upon the types of interactions exhibited, since the type of interaction has relevance to…

In this paper a cross-disciplinary study of the use of epistemic markers as hedging rhetorical strategies in research articles in English is carried out. Based on computer readable data, and combining quantitative and
qualitative methods, the article argues that the…

La Lingüística Clínica es un nuevo ámbito de aplicación del conocimiento lingüístico. Su reconocimiento oficial en Reino Unido, en el año 1972, queda lejos de lo que en España hemos alcanzado y podemos esperar. En nuestro país los estudios de…

Este trabajo analiza algunos relatos de viajes extraordinarios de los siglos XVII y XVIII cuyo objetivo era reconstruir la primitiva lengua adámica que se hablaba en toda la tierra antes de la maldición bíblica de Babel. Dicha lengua, en virtud…