Suche
Anzeige der Dokumente 61-70 von 285
Conforte con acondicionamiento de aire
(Polytechnic University of Puerto Rico, 1991-06)
Recorrido por toda la superficie terrestre cubriendo los cuatro cabos de la tierra para observar las caracteristicas ambientales que dominan en regiones particulares.
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 ...
The generalized cross-product of vectors
(Polytechnic University of Puerto Rico, 1993-12)
The meaning of the scalar product of two vectors can be easily extended to a space of n dimensions. Similar generalization, related to the cross-product of vectors with more than three components, has not been formulated ...
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 ...
On the thermodynamic consistency of the symmetric Poisson-Boltzmann equation in primitive model electrolytes
(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 ...
Hadamard matrices, strongly regular graphs, and Galois fields
(Polytechnic University of Puerto Rico, 1994-06)
In this paper the author uses the concept of circulant matrices and the superposition principle to find, from the adjacency matrices of three regular graphs of order 8 and degree 2, tire adjacency matrix, M, of a strongly ...
Retículos cúbicos, ortomodulares, conexos, de altura 3 y configuraciones proyectivas ortomodulares conexas
(Polytechnic University of Puerto Rico, 1994-12)
Cubic orthomodular connected lattices of height 3 and orthomodular connected projective configurations
The construction of a connected orthomodular projective configuration, from a cubic, connected, orthomodular lattice ...
Notas preliminares sobre el rol de la educación tecnológica en el mundo moderno
(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. ...
Design and analysis of multi-section eccentric shaft
(Polytechnic University of Puerto Rico, 1996-12)
In this report the preliminary design and analysis of multi-section eccentric shaft to be used on four-rotor Wankel rotary engine is discussed. Only a static analysis was performed due to time constraints. This novel design ...