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…

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…

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…

The k nearest neighbor (k-NN) classifier has been extensively used in Pattern Recognition because of its simplicity and its good performance. However, in large datasets applications, the exhaustive k-NN classifier becomes impractical. Therefore, many fast k-NN classifiers have been developed;…

Describes dic nature and development of interbehavioral psychology, with particular reference to its origin, postulation, data, operations, laws, asid implications., Describe la naturaleza y desarrollo de la psicologi’a interconductural, con peticular referencia a su origen, postulación, datos, operaciones, leyes e…

The present experiment attenmpted to evaluate the formation of associations between elements of an odour-flavour compoundpared with a LiCl injection, in rats. The data ob­tained show that the aversion produced to the lacquer thinner odour is greater when this is…

Power systems monitoring is particularly challenging due to the presence of dynamic load changes in normal operation mode of network nodes, as well as the presence of both continuous and discrete variables, noisy information and lack or excess of data.…

Peer reinforcement in the classroom offers advantages. Research in this area suggests that peer reinforcement can be powerful tool to control nonacademic classroom behaviors. No evidence was found concerning the importance of some variables, such as "popularity" and positive social…

Significant levels of the burnout syndrome were encountered in a study of 304 elementaryschool professionals, teaching students at the 8 to 12 year level, in Mexico City, Mexico.A questionnaire containing demographic, employment, and productivity data wasanalyzed and correlated in the…

The analogic pantograpIt is att apparatus wItic/t allows tIte con tinuous recording of any organism’s displacement witItin an experimental environment. Several interesting analyses can be rnade on tIte obtained record wIticIt allow to get more precise and comple¬te infor,nation about…