Esta obra tiene como propósito analizar la trayectoria de dos arqueólogos mexicanos que establecieron la base de la arqueología moderna del centro de Veracruz durante los años 40 a 70. Ellos desarrollaron el marco de referencia de la historia cultural…

The study of man has been and continues to be a central problem in philosophy and Anthropology, due to the fact that man tends to look introspectively to learn about himself, as we have seem him do it historically since…

As an example of the complexity of the influence of biological and social factors over growth and developmental phenomena. we hereby present the perforrnance of fifteen somatometric variables of three groups of women between 12 and 14 years of age,…

The article analyzes representations made by academics about professional psychology practice and the meaning they give to their social identity. As a case of study, qualitative and interpretative methodologies were used to study academics' representations about status and social prestige…

This review was made to examine some aspects of studies that describe the function of social support networks in elders, as this age group is increasing in number and it has been reported that the social network is relevant for…

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…