The coffee production is an economic mainstay for many countries in the world. Brazil is the world?s largest producer and exporter of coffee, being responsible for about 25% of the world production. It is well known that coffee plantations are…

Collaborative systems are becoming a widely used tool particularly among professional communities and research groups. They provide a suitable context for distributed people working on the same subject to concentrate their work in a shared place to which everyone has…

http://dx.doi.org/10.5007/1677-2954.2008v7n1p69For naturalistic and non-intuitionistic moral realists, moral knowledge is more problematic than ordinary and scientific factual knowledge. For without special faculties of moral discernment, how could we ever detect moral facts and properties? Physical facts and properties may be accessible to perceptual…

Mémoire numérisé par la Division de la gestion de documents et des archives de l'Université de Montréal

The opening of communications in Costa rica is given by the commitmentes acquired by the country when the Free Trade Agreedment between The Dominican Republic, Central America and the United States was signsd. Because of that, transnacional corporations as Movistar…

139-151, teolindacarrillo@ula.ve, abermudez@ula.ve, Trimestral

Deux thématiques importantes des technologies de la santé: la pratique médicale fondée sur des preuves probantes et l’évaluation des interventions en médecine sont fondées sur une approche positiviste et une conception mécaniste des organisations en santé.

Dans ce mémoire,…

Virtual and remote laboratories(VRLs) are e-learning resources which enhance the accessibility of experimental setups providing a distance teaching framework which meets the student's hands-on learning needs. In addition, online collaborative communication represents a practical and a constructivist method to transmit…

La rétinogésèse des vertébrés est la culmination de processus biologiques
complexes parfaitement exécutés. Cette délicate orchestration est principalement contrôlée par les facteurs de transcription qui permettent aux progéniteurs rétiniens de proliférer, de s’auto-renouveler et de se différencier de façon appropriée.…

This proposal is a scientific research, technical, socio-economic, that part of the knowledge of the territory, their actors, their weaknesses and their strengths, pretending to make from the analysis of developmental processes linked with economic activities primarily, the management of…