The aim of this paper is to determine the chronology of the information on papilionid and pierid butterflies of Mexico, as well as the patterns of collection and who were the most active collectors freom a curatorial databases and bibliography.…

En cualquier época o contexto, la investigación tiene una relevancia de primer orden, formando parte de un escenario complejo. La complejidad en sí misma se refleja sobre la base de que cada proceso que implique producción y comprensión de la…

El estudio indaga la actuación de profesores experimentados a partir de la caracterización de explicaciones en clases de física en una facultad de ingeniería. La aproximación metodológica es cualitativa. Es un estudio de casos. Dado el carácter social, didáctico, semiótico,…

La ordenación de cuencas hidrográficas constituye una política y una herramienta de carácter público que asume el estado y la sociedad para imprimirle direccionalidad a una de las dimensiones más complejas de los sistemas sociales actuales como es la estructura…

Since the first Computer and Internet based learning developments, there has been a recurrent idea: the creation of reusable didactic pieces, developed once and used many times in instructional processes, called learning objects. These elements promised to constitute knowledge bases…

In this global world the importance human resource management has acquired in order to sustain productivity and business competitiveness, based mainly on the integration of corporate strategy, human resources, technology, etc., is well known. This communication seeks to highlight the…

Openness in organizations to obtain new ideas or create alternative paths to market, enables the identification of new elements in innovation management. This article sets out how, as of the liberalization of the Information and Communication Technology (ICT) sector in…

A Berg model application for ZrOX thin film deposition by DC reactive sputtering is presented. An alternative treatment to this model is proposed, focused on an engineering point of view. Berg model involves target poisoning as a compound covering a…

This article presents a synthesis of some aspects in the method used by the Jus Commune jurists and by some theologians influenced by it. The author makes a clear distinction between two instances of the reflection over the juridical science.…

In the past few years, schools have been looking for options that enable them to raise the quality of education. Technological advances and their amazingly fast evolution, shape in Multimedia Systems (MMS) as the present and future of humanity. For…