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Now showing items 11-20 of 157
Revision and phylogeny of the genus Pselaphomorphus Motschulsky, 1855 (Staphylinidae, Pselaphinae: Jubini).
(2012)
The Neotropical genus Pselaphomorphus Motschulsky, 1855 (Coleoptera: Staphylinidae: Pselaphinae: Jubini Raffray) is revised, including the redescription of P. sculpturatus Motshulsky, 1855 (Panama), P. longiceps Raffray, ...
Fermentación de gandul (Cajanus cajan): efecto en los azúcares y aminoácidos y su posible uso comercial
(2012)
Three fermentation treatments were used in pigeon pea "Lazaro" variety in order to eliminate α-galactosides, sugars responsible of producing flatulence. The fermented pigeon pea is a high protein alternative that can be ...
Agriculture students’ language needs in general education courses: A case study
(2012)
This study was designed to explore the language needs of Spanish speaking Agriculture Students in general education courses at the University of Puerto Rico Mayaguez (UPRM). The participants were 17 students who were chosen ...
Fearful narrator: A look at problems of reliability in the storytelling within Moby Dick and At The Mountains of Madness upon the emergence of the supernatural
(2012)
This thesis explores the elements of fear and the supernatural as seen through the lens of narrative and psychoanalytical theory focusing on the novels Herman Melville’s Moby Dick and Howard Philips Lovecraft’s At The ...
Efecto de diferentes métodos de fertilización y manejo de agua en el rendimiento del cultivo de piña [ Ananas Cosmosus (L.) Merr.] bajo condiciones de campo
(2012)
Pineapple [Ananas comosus (L.) Merr.] is an important fruit crop in many tropical countries around the world. Its production has decreased dramatically in Puerto Rico by 77% since 1965. This reduction may be due to problems ...
Síntesis y estudios mecanísticos de complejos de molibdenoceno: Interacción de agentes metálicos anti-cáncer con el transporte de proteínas
(2012)
Nuevos complejos organometálicos fueron sintetizados, partiendo del dicloruro de molibdenoceno (Cp2MoCl2) y cuatro ligandos: L-Acido ascórbico(L-AA), 6-o-palmitoil-L- acido ascórbico (PAA), Etil maltol y D-penicilamina, ...
Characterization of a robust flow-through microfluidic device for single-cell electroporation
(2012)
Electroporation, or electropermeabilization, is a physical phenomenon that occurs when a biological cell is subjected to an external electric field. This technique is typically used in laboratory or medical settings when ...
Process windows considering two conflicting criteria: the injection molding case
(2012)
In this work, multiple criteria in conflict are considered simultaneously to determine a
process window for injection molding (IM). The best compromises between criteria
are identified through the direct application of ...
And Tango Makes Three and Tyyl: A study of censorship and banned books in Twenty-first Century America
(2012)
This thesis explores and questions the effects of censorship in the United States and
Puerto Rico, specifically Young Adult and Children’s Literature. Literary censorship has both
oppressed the authors’ right to expression ...
A new preconditions for solving linear systems with symmetric Z-matrices
(2012-05)
There are many preconditioners for linear systems, for example, P = I + Smax developed by Kotakemori in [9] and its extension P˜ developed by Arenas & Yong in [1]. These preconditioners were built to speed up the convergence ...