When performing vulnerability analysis and in absence of statistical data about vulnerability of some types of widespread buildings, unique structures, historical monuments etc, the development of numerical methods and approaches of evaluation and identification of vulnerability grade is shown as…

This work describes two media converter prototypes for transmitting 10Mb/s & 100Mb/s Ethernet data over large core (1mm) Step-Index Polymer Optical Fiber (SI-POF). In terms of reach, both prototypes greatly outperform previously published results and current commercial media converters based…

En la primera parte de este trabajo se describen algunos experimentos sobre el Beber Inducido por el Programa de Reforzamiento (BIP) con ratas. Los resultados de estos experimentos se pueden clasificar conforme a dos enfoques diferentes. Los datos del primer…

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…

Identification keys, diagnoses, hosts, and distribution data are provided for adults of the 26 species of Ixodes known from Mexico. Data are from specimens deposited in the Colección Nacional de Ácaros (CNAC), Instituto de Biología, Universidad Nacional Autónoma de México,…

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…

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…

This paper presents a data structure based on Sparse Spatial Selection (SSS) for similarity searching. An algorithm that tries periodically to adjust pivots to the use of database index is presented. This index is dynamic. In this way, it is…

Para conocer el valor que los caracteres estructurales tienen para la reconstrucción filogenética de la subtribu Oncidiinae se realizó un análisis de parsimonia combinado con base en datos anatómico foliares, morfológicos y secuencias de ADN de las regiones matK e…

Se realizaron mediciones de metales e iones inorgánicos presentes en muestras de PM10 colectadas en cinco sitios distribuidos en las ciudades de San José, Heredia y Belén. Las muestras fueron colectadas con muestreadores de alto volumen marca Thermo Andersen sobre…