Index Catalog // ScholarsArchive@OSU

Effects of interactions between predators, variable predation regimes, and species body size on rocky intertidal communities : comparative and experimental approaches

Creator:: Navarrete, Sergio A.
Abstract:: The body size (W) of animal species is one of the best predictors of population density (D) when large assemblages are considered. It has been shown that theoretically the D-W relationship can be the consequence of two other distributions: the log-normal distribution of body sizes of the species and of...
Resource Type:: Dissertation

Economic modeling of tropical deforestation in Antioquia (Colombia), 1980-2000 : an analysis at a semi-fine scale with spatially explicit data

Creator:: Orrego, Sergio A.
Abstract:: This dissertation used land rent theory and an economic model of land-use conversion to examine the main drivers of the deforestation occurred in Antioquia,Colombia, between 1980 and 2000. Land-cover information at a semi-fine scale (1:25,000) obtained largely from aerial photography was employed to calculate deforestation. In addition, free international databases...
Resource Type:: Dissertation
Full Text:: Data by Sergio Orrego A DISSERTATION submitted to Oregon State

Rapid assay for Bacillus proteinases in raw milk as detected by a simple casein denaturation method

Creator:: Feijoo, Sergio C.
Abstract:: A casein agar diffusion method was developed to detect and quantify pertinent levels of proteinases produced in raw milk supplies by heat resistant Bacillus sporeformers. In order to optimize the required heat treatment conditions of raw milk samples, trials that involved a combination of different temperatures and times were evaluated....
Resource Type:: Masters Thesis
Full Text:: by Sergio C. Feijoo A THESIS submitted to Oregon State University in partial fulfillment of

Risk management in particleboard production system design : a simulation study of the stochastic optimization problem

Creator:: Velazquez, Sergio Serrano
Abstract:: Effects of stochastic variations of parameters in the planning and design of a particleboard production system are studied. The solution obtained from a linear deterministic optimization model is compared against both the solution derived from the traditional stochastic programming techniques and the distribution of optimal objective function values obtained from...
Resource Type:: Masters Thesis
Full Text:: design : a simulation study of the stochastic optimization problem AN ABSTRACT OF THE THESIS OF Sergio

Magneto-crystalline anisotropy calculation in thin films with defects

Creator:: Matusevich, David Sergio
Abstract:: The code is developed for the calculation of the magneto-crystalline anisotropy (MAE) in thin films using a classical Heisenberg hamiltonian with a correction developed by Van Vleck. A Metropolis style Monte Carlo algorithm was used with adequate corrections to accelerate the calculation. The MAE was calculated for the case of...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF David Sergio Matusevich for the

Post-mortem quality changes in iced Pacific shrimp (Pandalus jordani)

Creator:: Cavazos, Sergio Flores
Abstract:: The biochemical and organoleptic changes that took place in raw whole Pacific shrimp and in the cooked meat during eight days of iced storage were investigated. A steady increase of both microbial numbers on the raw shrimp and pH in the raw shrimp and cooked meat was observed. The levels...
Resource Type:: Masters Thesis
Full Text:: Quality Changes in Iced Pacific Shrimp (Pandalus jordani) by Sergio Flores Cavazos A THESIS

Failure analysis of pre-notched composite laminated plates under four-point bending conditions

Creator:: Arias Gonzales, Sergio
Abstract:: Ever since composite laminate technology was introduced into the aerospace and automotive industry, there has been a need to fully understand the damage progression experienced by composite laminated plates in the presence of a notch. While numerous research studies have been conducted on this matter when subjected to in-plane loads,...
Resource Type:: Dissertation
Full Text:: Sergio G. Arias for the degree of Doctor of Philosophy in Mechanical Engineering presented on February

The feeding value of yellow peas (Pisum sativum L. var. Miranda) for single comb white leghorn laying pullets

Creator:: Ivusic, Sergio I.
Abstract:: Two experiments were conducted each with 768 Deka lb XL Single Comb White Leghorn (SCWL) laying pullets for nine and eight 28-day periods to evaluate the feeding value of yellow pea (YP) (Pisum sativum L. var. Miranda) without and with, respectively, either 1.5 or 5% meat and bone meal (MB)...
Resource Type:: Masters Thesis
Full Text:: Single Comb White Leghorn Laying Pullets by Sergio I. Ivusic A THESIS submitted to Oregon State

Monte Carlo random walk simulation as a complement to experimental and theoretical approaches : application to mass transfer in fish muscle tissue

Creator:: Almonacid-Merino, Sergio Felipe
Abstract:: Mass transfer processes in food systems, such as solute infusion, are poorly understood because of their complex nature. Food systems contain porous matrices and a variety of continuous phases within cellular tissues. Mass transfer processes are generally not pure diffusion: often convection, binding and obstructing diffusion will occur. Monte Carlo...
Resource Type:: Dissertation
Full Text:: Transfer in Fish Muscle Tissue. by Sergio F. Almonacid A DISSERTATION submitted to Oregon State

Experimental and mathematical procedures for the estimation of shelf-life : application to temperature-abused chilled seafood

Creator:: Almonacid-Merino, Sergio Felipe
Abstract:: The validation and potential use of mathematical models to estimate the shelf-life of refrigerated food exposed to temperature abuse and basing such estimations on microbial growth was analyzed. Combined heat transfer, microbial growth models, and non-parametric statistical procedures formed a computer-based predictive tool to assess shelf-life and estimate the accuracy...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Sergio Felipe Almonacid-Merino

ScholarsArchive@OSU

Effects of interactions between predators, variable predation regimes, and species body size on rocky intertidal communities : comparative and experimental approaches

Economic modeling of tropical deforestation in Antioquia (Colombia), 1980-2000 : an analysis at a semi-fine scale with spatially explicit data

Rapid assay for Bacillus proteinases in raw milk as detected by a simple casein denaturation method

Risk management in particleboard production system design : a simulation study of the stochastic optimization problem

Magneto-crystalline anisotropy calculation in thin films with defects

Post-mortem quality changes in iced Pacific shrimp (Pandalus jordani)

Failure analysis of pre-notched composite laminated plates under four-point bending conditions

The feeding value of yellow peas (Pisum sativum L. var. Miranda) for single comb white leghorn laying pullets

Monte Carlo random walk simulation as a complement to experimental and theoretical approaches : application to mass transfer in fish muscle tissue

Experimental and mathematical procedures for the estimation of shelf-life : application to temperature-abused chilled seafood

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