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Now showing items 11-20 of 126
Disposición adecuada de desperdicios
(Polytechnic University of Puerto Rico, 1997-06)
En abril la Autoridad de Desperdicios Solidos celebro el mes de reciclaje y manejo adecuado de los residuos solidos. En mayo se celebro en Puerto Rico la semana del ingeniero y el agrimensor. Posiblemente se estaran ...
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 ...
Colapso de un muro de contención construido con mampostería
(Polytechnic University of Puerto Rico, 1997-06)
This study presents the analysis of a masonry retaining wall, typically built in Puerto Rico to stabilize and retain slopes. How safe and well built are these walls?. Have they the adequate resistance to efficiently retain ...
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 ...
New technologies in mathematics
(Polytechnic University of Puerto Rico, 1998-06)
Throughout the ages, the development of computational instruments runs parallel to the development of mathematics playing an important role in the dissemination of this subject matter and its applications. Nevertheless, ...
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 ...
Vertebral arteries
(Polytechnic University of Puerto Rico, 1998-06)
During the investigation period, which lasted almost four months, we made a research of the vertebral arteries in the posterior part of the head in children. During this time we investigated the size, diameter and the blood ...
Formulación de un modelo lagrangiano de partículas para simular la difusión de contaminantes atmosféricos. I
(Polytechnic University of Puerto Rico, 1998-06)
One of the most relevant aspects the atmosphere is its capacity for transporting substances, heat or momentum vertically among different levels. This property is of fundamental importance in the troposphere because otherwise ...
Cryptography: Algorithms and Security Applications
(Polytechnic University of Puerto Rico, 2000-06)
Cryptography in Computer Science and Information Systems are broad. It is based in a sequence of steps, and its premise is only one: security. One of the latest developments in cryptography is Steganography, which is the ...
PLAGA: A Highly Parallelizable Genetic Algorithm for Programmable Logic Arrays Test Pattern Generation
(Polytechnic University of Puerto Rico, 1999-06)
An evolutionary algorithm (EA) approach is used in the development of a test vector generation application for single and multiple fault detection of shrinkage faults in Programmable Logic Arrays (PLA). Three basic steps ...