2006 MU theses - Freely available online
The items in this collection are theses that are available to the general public. Click on one of the browse buttons above for a complete listing of the works.
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Recent Submissions
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The evolution of a beat: a case study of changes in environmental reporting from the 1970's to today as evident in coverage of three disastrous oil spills
(University of Missouri--Columbia, 2006)The field of environmental journalism has significantly advanced since environmental issues emerged as topics of social and journalistic importance in the 1970's. Environmental reporters have become essential investigators ... -
A comparison of Nebo Hill and Sedalia points
(University of Missouri--Columbia, 2006)Classification of Nebo Hill and Sedalia points as separate types has been the subject of debate among archaeologists. Some argue that identification of two point types is erroneous and there is only one type with a wide ... -
Relation of Missouri river flows to sandbar morphology with implications for selected biota
(University of Missouri--Columbia, 2006)Channel modification and flow regulation in historically braided large rivers, have reduced sandbars and associated highly productive habitats for riverine biota. Sandbars are an important interface between aquatic and ... -
Modern control design for a variable displacement hydraulic pump
(University of Missouri--Columbia, 2006)In this work modern control methods are used to design and analyze control methods for a variable-displacement hydraulic pump. More accurate uncertainty descriptions are derived by using a structured uncertainty model as ... -
Factors influencing the college choice of African-American students admitted to the College of Agriculture, Food and Natural Resources
(University of Missouri--Columbia, 2006)The purpose of this study was to describe factors attributing to the college choice of African-American students admitted to the College of Agriculture, Food and Natural Resources (CAFNR) at the University of Missouri - ... -
Tracing of internal layers in radar echograms from a Greenland study region
(University of Missouri--Columbia, 2006)Signs of long-term glaciological processes and past ice sheet structure are preserved in the internal layer signatures of the Greenland ice sheet. Internal layer data have been collected over a considerable portion of the ... -
Modeling, design and control of forced-feedback metering poppet valve system
(University of Missouri--Columbia, 2006)This research explores valve design, dynamic modeling, and techniques to achieve flow control for a forced-feedback metering poppet valve system. In particular, nonlinear and linear models of a forced feedback configuration ... -
Equilibrium limitations and selectivity on conversion of glycerol to propylene glycol
(University of Missouri--Columbia, 2006)Hydrogenolysis of glycerol to propylene glycol was performed at lower temperatures and pressures using concentrated glycerol. Reactions were carried out at 180, 200, 220, and 240⁰C and at a system pressure of 1, 2, and 4 ... -
The sublethal effects of ecdysone agonists on the attractiveness, responsiveness, fertility and fecundity of oriental fruit moth, a comparative examination with codling moth on larval feeding damage
(University of Missouri--Columbia, 2006)The ecdysone agonists methoxyfenozide and tebufenozide are designed to affect the larval stage of Lepidopteran pests. Recent studies have reported sublethal effects on the adults of several tortricid apple tree pests exposed ... -
Fluid inclusion and oxygen isotope studies of high-grade quartz-scheelite veins at the Cantung Mine, Northwest Territories, Canada: products of a late-stage magmatic-hydrothermal event
(University of Missouri--Columbia, 2006)High-grade quartz-scheelite veins in the Open Pit orebody, Cantung occur 300 m above a limestone-monzogranite contact where the E-Zone orebody, a world-class tungsten skarn, is developed. Adjacent to these veins, alteration ... -
Two voices: social presence, participation, and credibility in online news
(University of Missouri--Columbia, 2006)An experiment tested hypotheses predicting that social presence would increase participation and credibility on a newspaper website. Participants read four news articles in one of four conditions created by crossing two ... -
Impact of medical equipment tracking in a health care system
(University of Missouri--Columbia, 2006)The University of Missouri Health Care is preparing to employ bar code technology, in addition to their current systems, besides having high census and staff shortages. Based on Industrial Engineering analysis methodologies, ... -
The effects of supplemental anionic salts & yeast culture on the production of dairy cattle during the periparturient period
(University of Missouri--Columbia, 2006)The objective of this thesis was to determine nutritional strategies with the strategic use of feed additives during the periparturient period to reduce the negative energy balance as the dairy cow transitions from late ... -
Perfectionism, self-discrepancy, and disordered eating in black and white women
(University of Missouri--Columbia, 2006)The current study investigates the relation between perfectionism and self-discrepancy, and whether their confluence predicts later disordered eating in a sample of Black and White college women. The combination of high ... -
Obesity: a growing concern about fetal nutrition
(University of Missouri--Columbia, 2006)Obesity is a growing epidemic and a major health concern in the United States and elsewhere. The Fetal Basis of Adult Disease (FBAD) theory holds that events that occur during development can permanently alter gene expression ... -
Groundwater vulnerability to agrochemicals: a GIS-based DRASTIC model analysis of Carroll, Chariton, and Saline counties, Missouri USA
(University of Missouri--Columbia, 2006)This investigation presents an analysis of groundwater vulnerability in three mid-Missouri counties that represent an agricultural production region that is physiographically and hydrogeologically complex. The goals of ... -
Death, prejudice, and ERP's: understanding the neural correlates of bias
(University of Missouri--Columbia, 2006)Awareness of one's own mortality can increase prejudice-related attitudes, behavior, and aggression against members of outgroups (e.g., Arndt et al., 1997; McGregor et al., 1998; Lieberman et al., 1999). The current research ... -
Load transfer in micropiles for slope stabilization from tests of large-scale physical models
(University of Missouri--Columbia, 2006)The objective of this work is to provide experimental data to improve prediction of limit loads for micropiles in slope stabilization applications. The experimental data were obtained from tests of 1-g model slopes 8 ft ... -
The effects of axotomy on the biophysical properties of reticulospinal neurons in larval lamprey
(University of Missouri--Columbia, 2006)Following severe spinal cord injury (SCI), in adult higher vertebrates there is little or no axonal regeneration, and animals remain paralyzed below the lesion. In contrast, lower vertebrates such as the lamprey, following ... -
Use of slow-release N fertilizer to control nitrogen losses due to spatial and climatic differences in soil moisture conditions and drainage in claypan soils
(University of Missouri--Columbia, 2006)Agricultural soils are a major source of nitrous oxide (N₂O) which has a significant environmental impact on global warming and ozone depletion. However, there is little information on soil N₂O emissions under different ...