Now showing items 1741-1760 of 1830

• #### Ultra-sensitive instrumentation in the UV-Vis-NIR spectral region with application on overtone spectroscopy. ﻿

(2015-07-24)
Fourier transform infrared spectroscopy (FT-IR) is a technique widely used in molecular spectroscopy. Technology advancements are such that FT-IR spectrometers can measure vibrational transitions occurring well within the ...
• #### Uncovered : the cover-up of the My Lai massacre. ﻿

(2009-04-01)
In the midst of a war that was being fought not on open battlefields but in dense jungles, an atrocious event occurred in the presence of soldiers of the United States military. Over five hundred Vietnamese civilians, the ...
• #### Underlying constructs in play therapy themes : an exploratory factor analysis. ﻿

(2014-10-22)
Play therapy and play are vital to understanding the inner world of children. Children initially lack the vocabulary to fully express their thoughts, feelings, and experiences. Benedict (2001) has developed a classification ...
• #### Understanding key factors influencing habitat quality for the endangered fountain darter (Etheostoma fonticola) in the Comal River. ﻿

(2017-03-22)
The research in this thesis was divided into 3 main studies that took place in Landa Lake: water column, sediment, and plant nutrient analyses, an herbivory and soil fertility experiment, and a spatial study of diel dissolved ...
• #### Understanding physical activity behavior among dialysis patients : a social cognitive approach. ﻿

(, 2012-08-08)
While engaging in physical activity is important for the general population due to its documented health benefits (Centers for Disease Control and Prevention, 2011), it is especially beneficial to patients on dialysis. ...
• #### Understanding student-faculty interaction within faculty-in-residence programs. ﻿

(2015-04-16)
Student-faculty interaction within faculty-in-residence programs is a unique phenomenon within colleges and universities. This study aimed to develop a model for explaining how student-faculty interaction occurs within ...
• #### Understanding the dragon's theatre : an Anglophone historiography of Vietnamese theatre. ﻿

(2016-08-03)
Anglophone scholarship on Vietnamese theatre has a complex history; its authors range from British and American explorers to current day Asian theatre scholars. The evolution of English-language scholarship on Vietnamese ...
• #### Understanding the impact of Equine-Assisted Learning on levels of hope in at-risk adolescents. ﻿

(, 2012-11-29)
In this study, the researcher uses an experimental design to investigate the impact of five-week intervention of group Equine-Assisted Learning (EAL) on levels of hope, self-efficacy, and depression in at-risk adolescents. ...
• #### Understanding the world better than it understands itself: the theological hermeneutics of Dietrich Bonhoeffer. ﻿

(2008-10-02)
This dissertation argues that Dietrich Bonhoeffer’s work is best understood as a consistent project of theological hermeneutics with an ecclesial focus.  The project examines Bonhoeffer’s life and writings with the intention ...
• #### Understanding what happens on the other side of the door : emotional labor and motivation in direct sales. ﻿

(2015-03-19)
This study’s central purpose is to expand the research conducted within the field of communication on motivation and emotional labor. Specifically, this paper proposes an ethnographic examination of the intricate interplay ...
• #### Underutilization of medication to treat ADHD in African American children: reasoned action and planned behavior. ﻿

(2006-07-30)
Attention-deficit hyperactivity disorder is one of the most common mental illness diagnoses given to children today. While African American children are diagnosed with the disorder at approximately the same rate as Anglo ...
• #### Unimolecular decomposition kinetics at resolved internal energies. ﻿

(2016-12-01)
The kinetic behavior of microcanonical unimolecular decomposition reactions involving clusters formed by the electrostatic interaction between transition metal cations and simple organic molecules has been measured at ...
• #### Unintended consequences : how agricultural subsidies are fueling the drug trade. ﻿

(, 2011-12-19)
The United States has historically subsidized its farmers directly and indirectly through a variety of different methods. In recent years, there has been evidence that OECD agricultural subsidies are leading farmers in ...
• #### Unique fragmentation of pentafluorobenzylic alcohols and the use of modified injection port liners in the gas chromatographic-based screening for catalytic activity. ﻿

(2006-02-16)
An unprecedented reaction, the base-catalyzed fragmentation of pentafluorobenzylic alcohols, was investigated. Studies on a variety of C6F5-derived alcohols show that a dual reaction pathway occurs in mixed solvent systems ...
• #### Uniqueness implies uniqueness and existence for nonlocal boundary value problems for fourth order differential equations. ﻿

(2006-07-07)
In this dissertation, we are concerned with uniqueness and existence of solutions of certain types of boundary value problems for fourth order differential equations. In particular, we deal with uniqueness implies uniqueness ...
• #### Uniqueness implies uniqueness and existence for nonlocal boundary value problems for third order ordinary differential equations. ﻿

(2006-07-29)
For the third order ordinary differential equation, $y'''=f(x,y,y',y'')$, it is assumed that, for some $m\geq 4$, solutions of nonlocal boundary value problems satisfying $y(x_1)=y_1,\ y(x_2)=y_2,$ \[y(x_m)-\sum_{i= ...
• #### Unprincipled moral learning : Dewey's pragmatism and Dancy's particularism. ﻿

(, 2014-06-11)
This dissertation draws on resources in John Dewey's work to respond to a lacuna in Jonathan Dancy's moral particularism. Dancy maintains that there are few, if any, true universal moral principles, and that moral reasoning ...
• #### Until vision and ethos reunite : Christian higher education’s struggle for academic faithfulness. ﻿

(, 2013-09-24)
Fundamentalist/modernist controversies at Southern Methodist University, Baylor University and Rhodes College illustrate the consequences of a truth/value split that ultimately created an epistemological crisis across ...
• #### Unwelcome orthodoxy: Anglican ascendancy, peculiar partnerships, and the conquering of Congregationalist contempt in eighteenth-century Connecticut. ﻿

(2007-02-07)
Interpreting anew the ascendancy of the Church of England in eighteenth-century New England from the perspective of its own members is vital to transmitting a balanced history of the religious climate in the region at the ...
• #### Up she rises : the birth and legacy of the Texas Historic Courthouse Preservation Program. ﻿

(2015-07-29)
Historic county courthouses, the crown jewels of Texas architecture, are facing serious threats both physical and political in nature. The National Trust for Historic Preservation named them one of America’s 11 Most ...