Index Catalog // ScholarsArchive@OSU

Civil engineering students' and practicing civil engineers' understanding of engineering concepts

Creator:: Urlacher, Mark A.
Abstract:: The purpose of this thesis is to explore civil engineering students’ and professional civil engineers' understanding of concepts within statics and fluid mechanics. The studies described herein begin to examine theories of situated cognition utilizing concept inventories, which are sets of multiple-choice questions where the incorrect answers are based on...
Resource Type:: Masters Thesis
Full Text:: ’ Understanding of Engineering Concepts AN ABSTRACT OF THE THESIS OF Mark A. Urlacher for

Evaluating dairy waste management systems ̓influence on fecal coliform concentration in runoff

Creator:: Grismer, Mark Edward
Abstract:: This paper examines the environmental factors influencing the die-off and transport of fecal coliform bacteria present in wastes applied to the land surface. These factors are examined specifically for dairy waste management systems and the net effect each system has on runoff water quality. A model is developed that considers...
Resource Type:: Masters Thesis
Full Text:: Management Systems Influence on Fecal Coliform Concentration in Runoff by Mark Edward Grismer A THESIS

Molecular analysis of bacterial community dynamics during bioaugmentation studies in a soil column and at a field test site

Creator:: Li, Jun
Abstract:: 1,1,1-Tricholorethane (1,1,1-TCA), a widely used industrial solvents, is one of the most common subsurface contaminants. Transformation processes in the subsurface can result in the production of 1,1-dichioroethane (1,1-DCA) and 1,1- dichioroethene (l,1-DCE) from 1,1,1-TCA contamination, resulting in plumes of mixed chlorinated aliphatic hydrocarbons (CAHs). A butane-utilizing microorganism, strain 1 83BP,...
Resource Type:: Masters Thesis
Full Text:: Dynamics during Bioaugmentation Studies in a Soil Column and at a Field Test Site Abstract approved: Mark

Experimental design of physical aquifer models for evaluation of groundwater remediation strategies

Creator:: Humphrey, Mark D.
Abstract:: Groundwater resources have become seriously threatened due to improper use by industrial, municipal, and even public sectors. Widespread contamination of aquifer systems has jeopardized human health and the environment and methods for restoring these systems are needed. Biological and chemical in situ remediation, where contaminants are degraded within the natural...
Resource Type:: Masters Thesis
Full Text:: GROUNDWATER REMEDIATION STRATEGIES by Mark D. Humphrey A THESIS submitted to Oregon State University in

Geohydrologic conditions on a steep forested slope : modeling transient piezometric response to precipitation

Creator:: Bransom, Mark
Abstract:: Two hilislope sites in the central Oregon Coast Range were instrumented and monitored for winter precipitation and saturated and unsaturated subsurface conditions. The study sites were near-ridge depressions typically known as headwalls. Based on results of the monitoring, two existing mathematical models were adapted to predict piezometric levels in headwalls...
Resource Type:: Dissertation

The effect of organic sorbent concentration on sorption kinetics

Creator:: Dolan, Mark E.
Abstract:: Batch sorption tests were conducted using 3,4-DCP and cellulose triacetate as the sorbate/sorbent pair. Sorbate concentrations in the liquid were sampled with time and analyzed by electron capture detector gas chromatography. Sorption was found to be a two stage process characterized by a rapid initial uptake followed by a extended...
Resource Type:: Masters Thesis
Full Text:: Mark E. Dolan A THESIS submitted to Oregon State University in partial fulfillment of the

Bioremediation of low-permeability, pentachlorophenol-contaminated soil by laboratory and full-scale processes

Creator:: Havighorst, Mark B.
Abstract:: Ex-situ bioremediation of saturated soil contaminated with pentachlorophenol and 2,3,5,6-TeCP is commonly accomplished by landfarming or by treatment in a bioreactor. Treating saturated, low-permeability soils in bioreactors, without pre-treatment requires a reactor capable of promoting anaerobic and/or aerobic removal of chlorophenols without transferring these contaminants to the aqueous phase. A...
Resource Type:: Masters Thesis
Full Text:: , Pentachlorophenol-Contaminated Soil by Laboratory and Full-Scale Processes. by Mark B. Havighorst A THESIS

Small-scale modeling of metal-plate-connected wood truss joints

Creator:: Kittel, Mark
Abstract:: The objective of this research was to develop a one-third scale model of full-size (prototype) metal-plate-connected (MPC) wood truss joints using similitude theory. The prototype metal connector plates in MPC joints were modeled using thin galvanized sheet metal and short staples. Truss grade wood material was ripped to one-third scale...
Resource Type:: Masters Thesis

Reductive dechlorination of chlorophenols by vitamin B

Creator:: Smith, Mark Harrison
Resource Type:: Dissertation
Full Text:: Dechlorination of Chiorophenols by Vitamin B12 by Mark H. Smith A THESIS submitted to Oregon State

Numerical simulation of anaerobic reductive dechlorination of CAHs in continuous flow systems

Creator:: Mustafa, Nizar Ahmad
Abstract:: Halogenated organic compounds have had widespread and massive applications in industry, agriculture, and private households, for example, as degreasing solvents, flame retardants and in polymer production. They are released to the environment through both anthropogenic and natural sources. The most common chlorinated solvents present as contaminants include tetrachloroethene (PCE, perchloroethene)...
Resource Type:: Dissertation
Full Text:: emerging as a promising approach for the remediation of chlorinated solvents in aquifers. In microbial

ScholarsArchive@OSU

Civil engineering students' and practicing civil engineers' understanding of engineering concepts

Evaluating dairy waste management systems ̓influence on fecal coliform concentration in runoff

Molecular analysis of bacterial community dynamics during bioaugmentation studies in a soil column and at a field test site

Experimental design of physical aquifer models for evaluation of groundwater remediation strategies

Geohydrologic conditions on a steep forested slope : modeling transient piezometric response to precipitation

The effect of organic sorbent concentration on sorption kinetics

Bioremediation of low-permeability, pentachlorophenol-contaminated soil by laboratory and full-scale processes

Small-scale modeling of metal-plate-connected wood truss joints

Reductive dechlorination of chlorophenols by vitamin B

Numerical simulation of anaerobic reductive dechlorination of CAHs in continuous flow systems

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