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Mostrando ítems 121-130 de 285
Programa para construir la matriz representativa de un sistema de potencia eléctrica
(Polytechnic University of Puerto Rico, 1995-06)
Computer program to build and modify an electrical power system matrix
A power systems engineer has to build and modify the electrical power system matrix every time elements of the system are added, deleted or modified. ...
The development of my capstone design project
(Polytechnic University of Puerto Rico, 1995-06)
This article is the result of my Capstone Design Project, which I started during the summer of 1994. The main purpose of this course is to expose us to the ever changing and challenging world of the engineering design work. ...
Process control laboratory - bar code system
(Polytechnic University of Puerto Rico, 1996-06)
This paper presents the basic concepts of a bar code system using a PC-based architecture. This system was developed and implemented in the Industrial Engineering Process Control Laboratory. The main objective of this ...
Identifying damage in reciprocating air compressors
(Polytechnic University of Puerto Rico, 1994-12)
We used a parametric analysis for a reciprocating air compressor to determine its working conditions. We also connected measuring devises which allowed us to determine the real performance of our compressor. From this point ...
Pensar el espacio, construir identidades: reflexiones en torno a la memoria y el patrimonio arquitectónico del Caribe*
(Polytechnic University of Puerto Rico, 2004)
As is commonly addressed, the historical narratives encompassed in the architectural field constitute a “memory of power” that often legitimates the political establishment. The difference with other power technologies ...
Wireless LANs
(Polytechnic University of Puerto Rico, 2000-12)
There are three digital wireless technologies: CDMA (Code Division Multiple Access), TDMA (Time Division Multiple access), and GSM (Global System for Mobile Communication). Ethernet is a standard LAN protocol that operates ...
Tunomás Honey de Jim Sagel: reapropiación y preservación cultural del mundo chicano
(Polytechnic University of Puerto Rico, 2004)
Tunomás Honey written by New Mexican writer Jim Sagel serves the purpose of analyzing the theme of reappropriation and cultural reservation of the Chicano world through literature. In 1981 Tunonás Honey received the award ...
Cryptography and Steganography: Security in Electronic Transactions
(Polytechnic University of Puerto Rico, 2000-12)
A new use for two ancient arts and sciences; Cryptography and Steganography are now as useful as they were thousands of years ago. The digital communication security rests mainly on the developments of these two methodologies ...
Leveling of Oil Fuel Prices Through Hedging Practices at the Puerto Rico Electric Power Authority
(Polytechnic University of Puerto Rico, 2000-12)
Up to the present, all the discussions since mid 1980's regarding the convenience of leveling fuel costs have been developed on a qualitative basis. This paper will try to provide quantitative information for corporate ...
Propagación de radiofrecuencias a través del espacio interestelar
(Polytechnic University of Puerto Rico, 2004)
Pulsar stars act like simple radio stations consisting of a rotating two pole electromagnet. They behave like interstellar beacons radiating electromagnetic pulses in the microwave band.The interstellar radiation reaches ...