Prehistoric rock paintings from Northern Mexico are becoming better known. Twenty sites for a single municipio in the state of Nuevo Leon have recently been described. Not all the paintings that are being found are a spectacular as the ones…

Both in Chile and in other countries, managing municipal solid waste (MSW) is a difficult problem, due to the various variables explaining it. Several background data suggest that the possibilities of solving the problem are associated to the education and…

The Environmental Management System (EGS), was constituted at the University of Antioquia in order to improve the environmental conditions, health and well being levels of the community; promoting the efficient use of resources, involving cultural changes in consume patterns, knowledge…

The improvement or design of a solid waste management system in any locality should be based on the knowledge of the solid waste characteristics, such as generation per capita, density and composition; depending on the type of treatment that is…

To solve the several problems caused from the deficient solid waste management in many of our municipalities, must be considered 4 substantial items: planning, legislation, the most citizen participation and the financing aspect. Failing in any of those subjects is…

The objective of this paper is the development of a mathematical model of anaerobic digestion that simulates the principal control variables in the process, and helps the planning and operational phases in normal and particular situations of operation in the…

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The state of psychology as a knowledge discipline is examined. Some reflections are made about the application of psychological knowledge, taking into account: a) the nature of knowledge being applied, b) the translation of analytic knowledge typical of basic science,…

Objetivo: identificar el nivel de conocimientos básicos sobre antibióticos y su uso clínico en los residentes del hospital infantil de México “Federico Gómez” (himfg). Material y métodos: estudio prospectivo, transversal, analítico y comparativo mediante la aplicación de un cuestionario anónimo…

Objetivo: evaluar el impacto de una intervención educativa del programa PREVENIMSS en el estilo de vida y nivel de conocimientos sobre el autocuidado de la salud en hombres de 20 a 59 años. Material y métodos: investigación cuasi-experimental. Se incluyeron…