ListarRevista Politechnê por tema "Polytechnic University of Puerto Rico--Faculty--Research"

Mostrando ítems 81-100 de 124

    • New technologies in mathematics 

      Sarmiento, Jorge (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, ...

    • New Tools for the Design and Analysis of Complex Springs 

      Candelario, William (Polytechnic University of Puerto Rico, 1999-06)
      The molded case circuit breaker industry, in general, produces great families of breakers, i.e., the bolt-on and the plug-in units. The bolt-on unit uses a screw to connect the unit to the bus bar of the panelboard. In the ...

    • Nonoccupational noise exposures and their hazards: a literature review 

      Pesante Santana, José A. (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' ...

    • Notas preliminares sobre el rol de la educación tecnológica en el mundo moderno 

      Miranda Irlanda, Wilfredo (Polytechnic University of Puerto Rico, 1991-06)
      El preparar estudiantes para una ocupación u oficio en la industria moderna requiere, al presente, un programa educativo que incluya todos los elementos de una alta tecnología tanto en la teoría como en la práctica. ...

    • On the thermodynamic consistency of the symmetric Poisson-Boltzmann equation in primitive model electrolytes 

      Martínez, Mayra M. (Polytechnic University of Puerto Rico, 1991-06)
      The study of electrolyte solutions poses several interesting features and challenges. Their study is important, not only theoretically but for practical reasons. Transport processes occur within the body as ionic ...

    • Optimization of a SAE Aero Design Aircraft 

      Méndez Cuevas, Enrique G. (Polytechnic University of Puerto Rico, 2022)
      The Polytechnic University of Puerto Rico (PUPR) has participated in SAE Aero Design for the previous years. SAE Aero Design is an international competition in which an airplane is designed by the students into one academic ...

    • Pensar el espacio, construir identidades: reflexiones en torno a la memoria y el patrimonio arquitectónico del Caribe* 

      Lizardi Pollock, Jorge L. (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 ...

    • Perspectivas futuras de la demanda energética mundial: el enfoque social de un problema global 

      Nieves Ortega, Carlos I. (Polytechnic University of Puerto Rico, 1996-06)
      Future perspectives of the energy demand of the world: social focusing of a global problem This article attempts explaining the short- and long-range perspectives of energy consumption as a function of social factors such ...

    • PLAGA: A Highly Parallelizable Genetic Algorithm for Programmable Logic Arrays Test Pattern Generation 

      Cruz, Alfredo; Mukherjee, Sumitra (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 ...

    • Plasma Gas Identification Using the Single Langmuir Probe 

      Sánchez, Samuel; Gaudier, Jorge R.; Rivera, Ramón; Colmenares, Franklin; Lleonart, Giovanni; Carrera, Miguel A.; Molina, Omar (Polytechnic University of Puerto Rico, 2008)
      A novel method to identify mass composition of plasmas was discovered at Polytechnic University of Puerto Rico Mirror Cusp (PUPR-MC) plasma machine using a Single Langmuir probe characteristic. This is a comparative method ...

    • PLAtestGA: A CNF-Satisfiability Problem for the Generation of Test Vectors for Missing Faults in VLSI Circuits 

      Cruz, Alfredo; Mukherjee, Sumitra (Polytechnic University of Puerto Rico, 2000-06)
      An evolutionary algorithm (EA) approach is used in the development of a test vector generation application for single and multiple fault detection of growth faults in Programmable Logic Arrays (PLA). Three basic steps are ...

    • [Poesía de varios autores] 

      Trelles, Rafael; Ávila Justiniano, Pedro Juan; Ramírez Córdova, Antonio; Narváez, Ebrahim; Martínez, Jan (Polytechnic University of Puerto Rico, 2022)
      Poesías de varios autores: Rafael Trelles /Utilidad del olvido / La sacerdotisa y el loco / El día en que sucedió / El mito que no cesa / Fábula del nuevo milenio / Pureza / La muerte del hereje / La Sombra en la pared -- ...

    • [Poesía de varios autores] 

      Gelpí Hammerschmidt, Marie; Gómez Beras, Carlos Roberto; Martínez, Jan; Miranda, Iris; Otero, Rosa Vanesa (Polytechnic University of Puerto Rico, 2019)
      Poesía de varios autores: Marie Gelpí Hammerschmidt / Lo que duele de la muerte -- Carlos Roberto Gómez Beras / Alba / La gesta / La conquista / Seis miniaturas / Las señales -- Jan Martínez / Lancelot / Ítaca / Poseidón ...

    • Preparation of New Drug Application (NDA)/Abbreviated New Drug Application (ANDA) Major and Moderate Post-Approval Changes for Parental Drug Products Site Transfer 

      Robles Vázquez, Wilberto (Polytechnic University of Puerto Rico, 2010)
      Actually, the Food and Drug Administration is the United States Federal Agency responsible for protecting the public health by assuring the safety, efficacy, and security of human and veterinary drugs, biological products ...

    • Process control laboratory - bar code system 

      Rodríguez, María de Lourdes (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 ...

    • Production Optimization in the Packaging and Inspection Process at a Thermoforming Area 

      Carrión Román, Beatriz (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 ...

    • Programa para análisis de flujo de potencia para la calculadora HP-28S 

      Sánchez del Río, Ángel (Polytechnic University of Puerto Rico, 1991-06)
      El programa de flujo de potencia fue desarrollado para la calculadora HP-28S y se basa en el método Newton-Raphson. La versión en esta calculadora se concibe como una valiosa ayuda para el estudiante de sistemas de potencia.

    • Propagación de radiofrecuencias a través del espacio interestelar 

      Iriarte Jr., Modesto (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 ...

    • Propagación de radiofrecuencias a través del espacio interestelar 

      Iriarte, Modesto (Polytechnic University of Puerto Rico, 2004)
      Pulsar statrs 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 ...

    • PUPR Looks Forward to the 21st Century with a Program of Research and Development 

      Vélez Delgado, Gilberto A. (Polytechnic University of Puerto Rico, 1999-06)
      The New Economic Development model adopted by the Government of Puerto Rico is an effort to provide a diversified and solid foundation for future economic development in view of changes in the global economic context. The ...