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Tip Optimization for Near-Field Scanning Optical Microscopy by Laser-Heated Pulling
(Polytechnic University of Puerto Rico, 2005)
The ability to manufacture reproducible and low-cost probe tips is critical for the improvement of near-field scanning optical microscopy as both the resolution and efficiency of the apparatus depend on the tip's geometrical ...
Production Optimization in the Packaging and Inspection Process at a Thermoforming Area
(Polytechnic University of Puerto Rico, 2010)
This research is conducted in a manufacturing packaging company that makes the packages (plastic trays) for medical device companies. It is intended to increase the packaging and inspection production line by considering ...
Mass Spectrometric Study of Various Coated Targets Utilizing PUPR-MC Plasma Machine for NASA Solar Probe Space Mission
(Polytechnic University of Puerto Rico, 2008)
The NASA Solar Probe Space Mission will be a historic operation, flying for the first time into one of the last unexplored regions of the solar system, the Sun's atmosphere or corona; hopefully revolutionizing our knowlege ...
Design of an Automation and Control System for PUPR-MC Plasma Machine
(Polytechnic University of Puerto Rico, 2008)
The automation of Polytechnic University of Puerto Rico Mirror-Cusp (PUPR-MC) plasma machine is part of the work performed by the Plasma Engineering Laboratory in the experiments of the NASA Solar Probe Mission Thermal ...
Programa emulador del microprocesador MC6800 para correrse en sistemas de computadoras personales basadas en procesadores Intel
(Polytechnic University of Puerto Rico, 1991-12)
This paper presents the development of a program to emulate the
Heathkit ET-3400 trainer and the MC6800 microprocessor on an IBM or
compatible personal computer. The ET-3400 trainer is the only available tool
at the ...
Diseño de un controlador de lógica programable
(Polytechnic University of Puerto Rico, 1991-12)
This document shows how to design a programmable logic controller.
This type of design involves several steps, but these steps were grouped in two
subsequent phases. The first phase deals with the design and implementation
of ...
Diseño de un sistema para el control de producción e inventario en una fábrica de ataúdes
(Polytechnic University of Puerto Rico, 1991-06)
Este artículo resume el estudio que se llevó a cabo para diseñar un programa de producción Kanban y un plan de inventario MRP para la compañía Indiana Casket Corporation. Esta empresa, fundada en el año
1983, participa ...
Utilización de los sistemas de planificación de requerimiento de materiales en la Industria farmaceútica de Puerto Rico
(Polytechnic University of Puerto Rico, 1991-06)
Este escrito presenta los resultados de una investigación sobre la industria farmacéutica en Puerto Rico. El objetivo principal de esta investigación fue el determinar a que capacidad se estan utilizando los
sistemas de ...
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 ...
Pérdidas de agua en los sistemas fluviales
(Polytechnic University of Puerto Rico, 1993-12)
In this paper we identify those elements that contribute to the undetermined water losses in the Puerto Rico Water and Sewers Authority. We also provide detailed recommendations to reduce these losses.