La reserva de la biosfera Tehuacán-Cuicatlán (BRTC) posee gran diversidad de mamíferos, pero la información sobre distribución geográfica es incompleta para la mayoría de las especies. Esto ha representado una dificultad en esfuerzos previos para modelar el nicho ecológico y…

Some experiments on Schedule-Induced Drinking (SID) in rats are described in the first part of this paper. The results from these experiments can be classified according to two different approaches. Data from the first approach show that the water-producing response…

Carbones de las zonas de mayor explotación carbonífera de Colombia fueron estudiados por ATR en el infrarrojo medio. Se presentan el análisis próximo y último de los carbones. Para cada muestra se obtuvieron parámetros estructurales como relación metileno/metilo (CH2/CH3), factor…

The objective of this research was to evaluate the nature and the amount of commentaries made by two Futsal´s coaches during the practices and competitive games and the moment of the game which the commentaries were made by them. Two…

In some industries such as logistics services, bank services, and others, the use of automated systems that deliver critical business information anytime and anywhere play an important role in the decision making process. This paper introduces a “Generic model to…