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An approach in statistical control chart design
(Polytechnic University of Puerto Rico, 1992-06)
Several questions arise when designing statistical process control charts Is the control chart sensitive enough to detect a particular process shift with a particular frequency? When should a process shift be considered ...
Dinámica de redes y el modelo del ión rígido en cristales del tipo R2MX6
(Polytechnic University of Puerto Rico, 1992-12)
The theory of lattice dynamics in the harmonic approximation and the Born and Huang's rigid-ion model are used to study ionic crystals of R2MX6 type with antifluorite structure. The rigid-ion model expresses the potential ...
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 ...
Experiencia con el proceso de mejoramiento de la calidad en una empresa manufacturera
(Polytechnic University of Puerto Rico, 1997-06)
The successful implementation of a continuous quality improvement process in a manufacturing enterprise requires that certain
vital conditions are present. It is also essential that those conditions be fully developed ...
Group technology and cellular manufacturing systems: an introduction
(Polytechnic University of Puerto Rico, 1997-12)
Global market competition is changing the nature of the present and future marketplace to a highly dynamic environment. Product variety is high and individual product demands are low. Also, customer's demand
for faster ...
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' ...
Strain gauge and micrometer instrumentation of a truss structure
(Polytechnic University of Puerto Rico, 1997-12)
This project was performed as part of the Structural Analysis courses in order to compare theoretical results of the response of simple structures with the experimental results obtained at the Structures Engineering ...
Fauna y Eros en los Sonetos sinfónicos y en Alturas de America de Luis Lloréns Torres
(Polytechnic University of Puerto Rico, 2005)
The Puerto Rican criollo poet par excellence, Luis Lloréns Torres, complements its poetry genius with erotic lyrics seldomly studied by critics. Acknowledging previous critics on this theme, we analyze his particular ...
Water Quantity and Quality Issues in El Paso Del Norte Region
(Polytechnic University of Puerto Rico, 2005)
The El Paso del Norte Region faces challenges in the administration of its water resources in the way water is managed due to conflicts with different political jurisdictions and existing laws governing water management ...
Breve relato de la historia de los programas de Bachillerato en Agrimensura en Puerto Rico
(Polytechnic University of Puerto Rico, 2006)
Discurso editado, presentado por el Profesor Jenaro R. Negrón el 21 de febrero de 2006 en el Cuadragésimo Aniversario del Programa de Agrimensura de la Universidad Politécnica de Puerto Rico.