Browsing Revista Politechnê by Subject "Polytechnic University of Puerto Rico--Subject headings--Unassigned"
Now showing items 21-40 of 97
-
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 ... -
Design of an Environmental Monitoring Program for a New Biotechnology Facility
(Polytechnic University of Puerto Rico, 2010)A new biotechnology facility in Puerto Rico is in need of an Environmental Program to ensure the stability of room conditions for the manufacturing of their products. This environmental baseline study provided documented ... -
Despacho económico considerando la distribución del margen de reserva en regulación
(Polytechnic University of Puerto Rico, 1992-12)This paper presents the concept of the regulating reserve margin in an economic dispatch by using the Lagrange method of undetermined multipliers. The regulating reserve margin is the amount of generation that should be ... -
Determination of soil strength parameters from unconfined compression testing on partially saturated soils
(Polytechnic University of Puerto Rico, 1996-12)The uneonfined compression test is used in most geotechnical studies to y -determine soil strength parameters. This test is recommended for fine cohesive > ^ soils with a degree of saturation of more than 90%. It has been ... -
Development of an Interactive Finite Element Analysis Program Within MS Windows 95 Environment
(Polytechnic University of Puerto Rico, 1999-06)The objective of this project was to develop a highly interactive, graphically oriented, special purpose Finite Element Analysis program, that utilizes the MS-Windows 95 environment as the Graphical User Interface (GUI). ... -
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 ... -
Diseño de un marcapaso programable con memoria y capacidad de comunicación
(Polytechnic University of Puerto Rico, 1992-12)A design of a programmable pacemaker unit which integrates microprocessor control, memories and a communication device. This pacemaker uses programming techniques to adjust its operations to the patients' needs, to compile ... -
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 ... -
El impacto del paradigma constructivista en la enseñanza de matemáticas
(Universidad Politécnica de Puerto Rico, 1999-12)The constructivist paradigm offers important implications to educators about the teaching and learning of mathematics. The curricular reforms in the mathematics classroom, in its majority, emerge from constructivist ... -
El redescubrirniento del yo y del otro: viajes, estructuras míticas, mitos y rituales de paso en Los pasos perdidos, de Alejo Carpentier
(Polytechnic University of Puerto Rico, 2005)This paper is proposing the study of various themes related to Alejo Carpentier's Los pasos perdidos. Even though these themes have been studied before, it is proposing a new revision from a different perspective. First, ... -
Energy Efficiency Improvement of an Air Handling Unit at a Pharmaceutical Facility by Integration of an Economizer Cycle
(Polytechnic University of Puerto Rico, 2010)This project presents the design of an economizer cycle for an existing Air Handling Unit (AHU) located at a pharmaceutical facility. At certain low temperatures, the integration of the economizer cycle will allow the AHU ... -
Estudio de los Aspectos Ergonómicos en Laboratorios de Control de Calidad en Industrias Farmacéuticas
(Polytechnic University of Puerto Rico, 2010)El objetivo de esta investigación es conocer, cuan efectivo son los diseños ergonómicos en laboratorios de control de calidad de las industrias farmacéuticas. En esta investigación se realizó una evaluación de los diseños ... -
Evaluación Ergonómica de las Sub-Tareas Montaje y Desmontaje de un Filtro de Proceso
(Polytechnic University of Puerto Rico, 2010)Estudio ergonómico aplicando la ecuación de levantamiento de NIOSH y Análisis biomecánico a las sub tareas montaje y desmontaje de un filtro de proceso en las etapas iniclal, intermedia y final, considerando las percentilas ... -
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 ... -
Experimental Design of a High Vacuum System for PUPR-MC Plasma Machine
(Polytechnic University of Puerto Rico, 2008)In vacuum technology it is customary to divide a large pressure region (as of today, covering 16 orders of magnitude) into single, smaller regions. These divisions are somewhat arbitrary. Thus, the chemists frequently refer ... -
Faster Sample Delivery to the Microbiology Laboratory using Lean Six Sigma
(Polytechnic University of Puerto Rico, 2010)This article presents the Lean Six Sigma tools used to identify the factors that impact the timely arrival of environmental water samples to a Microbiology Laboratory in a biotechnology industry. The inherent variations ... -
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 ... -
Filtros digitales para el procesamiento de imágenes
(Polytechnic University of Puerto Rico, 1992-12)The purpose of this paper is to design filters capable of extracting the contours of an image, thus reducing the distortion while processing an image. In order to attain this goal, we developed a group of computer programs ... -
Fingerprints Recognition Using a Neural Network
(Polytechnic University of Puerto Rico, 1999-06)A fingerprint recognition approach, based on a backpropagation algorithm using a neural network, is presented. The purpose of our work is to show the relevance of the fingerprint method characterization by using the ... -
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 ...