Buscar
Mostrando ítems 11-14 de 14
El Politécnico (Año 5, Número 15, Diciembre 1998)
(Polytechnic University of Puerto Rico, 1998-12)
Periódico El Politécnico (Año 5, Número 15, Diciembre 1998) órgano oficial de la Universidad Politécnica de Puerto Rico, se publica con una periodicidad trimestral.
Un universo de radiación
(Polytechnic University of Puerto Rico, 1998-06)
During the last two decades there has been an increase in the worrines of the people regarding the proliferation of electromagnetic fields and their effects on the human body. In this article we explain the basic principles ...
Nonoccupational noise exposures and their hazards: a literature review
(Polytechnic University of Puerto Rico, 1998-06)
Noise pollution has been extensively studied during the last 30 years. Although most of the government regulations protect the vast majority of the workforce in the in the United States, they fail to consider the workers' ...
Low-volume speech
(Polytechnic University of Puerto Rico, 1998-06)
This project is the outcome of the necessity of a female patient of Parkinson's disorder and hearing disability of having someone to tell her to speak louder when her voice level could not be heard. The idea was to build ...