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Advanced Underground Vehicle Power and Control: Phase 2 - Foundations of Fuelcell Power and Automated Control (open access)

Advanced Underground Vehicle Power and Control: Phase 2 - Foundations of Fuelcell Power and Automated Control

None
Date: February 21, 2003
Creator: Barnes, David L. & Miller, Arnold R.
Object Type: Report
System: The UNT Digital Library
Looking Through the Eyes of Unity - How We Have Seen You and How We See You Know transcript

Looking Through the Eyes of Unity - How We Have Seen You and How We See You Know

Lecture given Tuesday, February 21, 2006, 2:00 PM at Abilene Christian University: "The events of the division in the Stone-Campbell Movement influenced the way we see each other. Often these views were caricatures that were intentionally negative in their portrayals. Can we move beyond these negative portrayals?"
Date: February 21, 2006
Creator: Barrett, Bryan & Knowles, Victor
Object Type: Sound
System: The Portal to Texas History
Will the Grandkids Be in the Church? - One Family's Inter-generational Discussion About Church and Faith transcript

Will the Grandkids Be in the Church? - One Family's Inter-generational Discussion About Church and Faith

Lecture given Tuesday, February 21, 2006, 2:00 PM at Abilene Christian University: "Why are so many of our young people leaving our churches? In this session, three generations of a "CofC" family explore questions like these, and in doing so, explore the dynamics of tradition, commitment, truth, inheritance, love, trust and faith."
Date: February 21, 2006
Creator: Barton, John D.; Barton, Sara; Barton, John M.; Barton, Mary; Powell, Cynthia & Powell, Greg
Object Type: Sound
System: The Portal to Texas History
Apparatus for measuring RRR (open access)

Apparatus for measuring RRR

The evaluation of purity and thermal conductivity at liquid Helium temperatures of the Niobium to be used in the fabrication of superconducting RF cavities is normally done by measuring the Residual Resistivity Ratio (RRR) of a sample of the material. The relationship between the thermal and the electrical conductivity (Wiedemann-Franz Law) simplifies the task by leading to the measurement of electrical instead of thermal resistance. The RRR is the ratio between the resistances of the sample at room temperature and at the operating temperature of the cavity. A more precise definition is discussed later. The conductivity at low temperatures depends on lattice defects and impurities. Impurities are also important for cavities in a direct way as affecting the RF properties of its surface when exposed by chemical etching. The following describes the experimental apparatus for RRR measurements developed at Fermilab's Beams Division. Part 2 contains a description of the sample-holder and measurement hardware. Part 3 contains a discussion on definition, measurements and errors. Part 4 gives a step-by-step description of the measurement procedure. Finally, Part 5 gives an example of results obtained recently on a Niobium sample for CKM cavities.
Date: February 21, 2003
Creator: Bauer, Kuchnir Moyses and Pierre
Object Type: Report
System: The UNT Digital Library
Jesus' Teaching, Take Two! - Restudying the Teaching of Jesus transcript

Jesus' Teaching, Take Two! - Restudying the Teaching of Jesus

Lecture given Tuesday, February 21, 2006, 9:45 AM at Abilene Christian University: "Congregationally produced drama and film can help make modern Bible applications. "Jennifer's Gift" is an example of a short film designed for today's study of the "Widow's Offering" in Mark 12:41-44. A look at production, lessons and teaching."
Date: February 21, 2006
Creator: Bearden, David
Object Type: Sound
System: The Portal to Texas History
Environmental Protection Agency: Highlights of the President's FY2007 Request (open access)

Environmental Protection Agency: Highlights of the President's FY2007 Request

Title II of the Interior, Environment, and Related Agencies Appropriations Act for FY2006 (P.L. 109-54, H.R. 2361) provides $7.73 billion for the Environmental Protection Agency (EPA), subject to an across-the-board rescission of 0.476%. Section 439 of Title IV indicates that the rescission is to be applied proportionately among each account, program, project, and activity specified in the law, accompanying reports, and the President’s budget request. The total FY2006 EPA appropriation includes an additional $80 million in unobligated funds “rescinded” from past appropriations, as noted in the following table. P.L. 109-54 provides more funding for EPA than the Administration’s FY2006 request of $7.52 billion, but less than the FY2005 appropriation of $8.03 billion.
Date: February 21, 2006
Creator: Bearden, David M. & Esworthy, Robert
Object Type: Report
System: The UNT Digital Library
Nanotechnology in Science and Art (open access)

Nanotechnology in Science and Art

The burgeoning field of nanotechnology opens windows between science and art. Exploration of this interplay encourages interaction between scientists, artists and educators alike. The image below serves as an example of the fertile ground for exchange. The substrate that this image captures is made of silicon, the material from which computer chips are made. A thin ({approx}1 nm thick) chemical coating was applied homogeneously to the silicon. Specific regions of the coating, 600 nm wide (approximately 150 times smaller than the diameter of a human hair), were then locally removed from the silicon via photocatalytic nanolithography (PCNL(Bearinger, Hiddessen et al. 2005)). PCNL engages light, such as from a light emitting diode or an ultraviolet source, to activate molecules that are attached to a transparent mask above the silicon substrate. These molecules can be compounds similar to chlorophyll, the photoactive material that aids plants in photosynthesis, or may be semiconductor materials, such as TiO{sub 2}. Once these molecules are activated, chemical reactions result in local destruction of the coating on the silicon. Thus, only regions of the coated silicon in close contact with mask are affected. A non-fouling polymer hydrogel ({approx}10 nm thick) was then grafted to the retained coating. Hydrogels …
Date: February 21, 2007
Creator: Bearinger, J.
Object Type: Article
System: The UNT Digital Library
Spiritual Pollution - The Challenge of Holding Together Love and Purity in the Church transcript

Spiritual Pollution - The Challenge of Holding Together Love and Purity in the Church

Lecture given Tuesday, February 21, 2006, 3:15 PM at Abilene Christian University: "Can the church balance her commitment to love a broken world along with her commitment to holy living? In an interdisciplinary conversation, a psychologist, historian, theologian, literature professor, and minister explore how achieving this balance may be more difficult than any of us had imagined."
Date: February 21, 2006
Creator: Beck, Richard; Elliott, Gary; Hicks, John Mark; King, Tommy & Shilcutt, Tracy
Object Type: Sound
System: The Portal to Texas History
Biotechnology in Animal Agriculture: Status and Current Issues (open access)

Biotechnology in Animal Agriculture: Status and Current Issues

This report provides information about the Status and Current Issues in Biotechnology in Animal Agriculture which has rapid advances.
Date: February 21, 2007
Creator: Becker, Geoffrey S. & Cowan, Tadlock
Object Type: Report
System: The UNT Digital Library

Faculty Recital: 2005-02-21 - Bradley Beckman and Carolyn E. True, piano

Access: Use of this item is restricted to the UNT Community
Faculty recital performed at the UNT College of Music Recital Hall.
Date: February 21, 2005
Creator: Beckman, Bradley
Object Type: Sound
System: The UNT Digital Library
The Unfinished Business of Baptism transcript

The Unfinished Business of Baptism

Lecture given Monday, February 21, 2000, 11:00 AM at Abilene Christian University: "What will become of our understanding and practice of baptism in the new century? What can we do to rediscover the deeper significance of a cherished tradition?"
Date: February 21, 2000
Creator: Benjamin, Chris
Object Type: Sound
System: The Portal to Texas History
What Is Truth? - John's Jesus in a Postmodern World transcript

What Is Truth? - John's Jesus in a Postmodern World

Lecture given Tuesday, February 21, 2006, 2:00 PM at Abilene Christian University: "Pilate's question for Jesus echoes through the ages into our day. Is Pilate a pre-modern postmodernist? These classes will discuss the claims about truth in John's Gospel and in our current culture."
Date: February 21, 2006
Creator: Benjamin, Chris
Object Type: Sound
System: The Portal to Texas History
The EMMA Main Ring Lattice. (open access)

The EMMA Main Ring Lattice.

I give a brief introduction to the purpose and goals of the EMMA experiment and describe how they will impact the design of the main EMMA ring. I then describe the mathematical model that is used to describe the EMMA lattice. Finally, I show how the different lattice configurations were obtained and list their parameters.
Date: February 21, 2008
Creator: Berg, J. S.
Object Type: Report
System: The UNT Digital Library
Intelligence to Counter Terrorism: Issues for Congress (open access)

Intelligence to Counter Terrorism: Issues for Congress

This report discusses the need for cooperation between law enforcement and intelligence agencies and for human intelligence (humint), the use of agents to gather information, to counter terrorism and the risks associated with humint.
Date: February 21, 2002
Creator: Best, Richard A., Jr.
Object Type: Report
System: The UNT Digital Library
Flat Tax Proposals and Fundamental Tax Reform: An Overview (open access)

Flat Tax Proposals and Fundamental Tax Reform: An Overview

This report discusses the idea of replacing our current income tax system with a flat-rate tax, including background and analysis and various Congressional proposals.
Date: February 21, 2003
Creator: Bickley, James M.
Object Type: Report
System: The UNT Digital Library
The Preacher's Workshop - A Behind the Scenes Look at Sermon Preparation transcript

The Preacher's Workshop - A Behind the Scenes Look at Sermon Preparation

Lecture given Tuesday, February 21, 2006, 2:00 PM at Abilene Christian University: "David Bland interviews David Fleer concerning Monday evening's theme lecture. How did his reading of the text lead to the sermon he preached? And what choices did he make in pulling the sermon together? Get a behind-the-scenes look."
Date: February 21, 2006
Creator: Bland, David & Fleer, David
Object Type: Sound
System: The Portal to Texas History
OFFICE OF SCIENCE AND TECHNOLOGY AND INTERNATIONAL, NATURAL BARRIERS THRUST OVERVIEW (open access)

OFFICE OF SCIENCE AND TECHNOLOGY AND INTERNATIONAL, NATURAL BARRIERS THRUST OVERVIEW

The Natural Barriers Thrust supports scientific studies of the natural system at the proposed repository site of Yucca Mountain. It stresses the realistic representation of the natural system with respect to processes and parameters, by means of laboratory, field, and modeling studies. It has the objectives to demonstrate that the natural barriers can make large contributions to repository performance, supporting the multiple-barrier concept for geological disposal of high-level radioactive waste; and to reduce the overall cost of repository development by elimination of unnecessary engineered components, given the demonstrated natural barriers performance. In this overview we enumerate the research projects within the Natural Barriers Thrust grouped under five elements: (1) Drift Seepage, (2) In-drift Environment, (3) Drift Shadow, (4) Unsaturated Zone Flow and Transport, and (5) Saturated Zone Flow and Transport. The long-term strategic plan of the Natural Barriers Thrust and some key results are also briefly described.
Date: February 21, 2006
Creator: Bodvarsson, B. & Tsang, Y.
Object Type: Report
System: The UNT Digital Library
Christian Families at Risk transcript

Christian Families at Risk

Lecture given Monday, February 21, 2000, 8:30 AM at Abilene Christian University: "Resilient means 'bouncing back' after traumatic events of life. The next century may involve more stormy assaults against Christian families than have been experienced in the 20th century. How shall we respond?"
Date: February 21, 2000
Creator: Boglin, Major
Object Type: Sound
System: The Portal to Texas History
Marriages in Resilient Families transcript

Marriages in Resilient Families

Lecture given Monday, February 21, 2000, 11:00 AM at Abilene Christian University: "Resilient means 'bouncing back' after traumatic events of life. The next century may involve more stormy assaults against Christian families than have been experienced in the 20th century. How shall we respond?"
Date: February 21, 2000
Creator: Boglin, Major
Object Type: Sound
System: The Portal to Texas History
Parent/Child Relations in Resilient Families transcript

Parent/Child Relations in Resilient Families

Lecture given Monday, February 21, 2000, 3:30 PM at Abilene Christian University: "Resilient means 'bouncing back' after traumatic events of life. The next century may involve more stormy assaults against Christian families than have been experienced in the 20th century. How shall we respond?"
Date: February 21, 2000
Creator: Boglin, Major
Object Type: Sound
System: The Portal to Texas History
Trade Promotion Authority (TPA) Renewal: Core Labor Standards Issues: A Brief Overview (open access)

Trade Promotion Authority (TPA) Renewal: Core Labor Standards Issues: A Brief Overview

This report is a brief overview of key issues addressed in CRS Report RL33864, Trade Promotion Authority (TPA) Renewal: Core Labor Standards Issues. This report (1) identifies key labor provisions in the current TPA law and how they have translated into free trade agreements negotiated under it; (2) presents some legislative options, and summarizes arguments for and against listing enforceable core labor standards as a principal negotiating objective; and (3) looks at possible outcomes and implications of the legislative options.
Date: February 21, 2007
Creator: Bolle, Mary Jane
Object Type: Report
System: The UNT Digital Library
Quantitative Analysis of Radionuclides in Process and Environmental Samples (open access)

Quantitative Analysis of Radionuclides in Process and Environmental Samples

An analytical method was developed for the radiochemical separation and quantitative recovery of ruthenium, zirconium, niobium, neptunium, cobalt, iron, zinc, strontium, rare earths, chromium and cesium from a wide variety of natural materials. This paper discusses this analytical method, based on the anion exchange properties of the various radionuclides, although both ion exchange and precipitation techniques are incorporated.
Date: February 21, 2003
Creator: Boni, A. L.
Object Type: Report
System: The UNT Digital Library
System Description for the K-25/K-27 D&D Project Polyurethane Foam Delivery System, East Tennessee Technology Park, Oak Ridge, Tennessee (open access)

System Description for the K-25/K-27 D&D Project Polyurethane Foam Delivery System, East Tennessee Technology Park, Oak Ridge, Tennessee

The Foam Delivery System used in the decontamination and decommissioning (D&D) project for the K-25/K-27 Buildings at the East Tennessee Technology Park (ETTP) is comprised of a trailer-mounted Gusmer{reg_sign} H20/35 Pro-TEC Proportioning Unit and the associated equipment to convey electrical power, air, and foam component material to the unit. This high-pressure, plural-component polyurethane foam pouring system will be used to fill process gas and non-process equipment/piping (PGE/P) within the K-25/K-27 Buildings with polyurethane foam to immobilize contaminants prior to removal. The system creates foam by mixing isocyanate and polyol resin (Resin) component materials. Currently, the project plans to utilize up to six foaming units simultaneously during peak foaming activities. Also included in this system description are the foam component material storage containers that will be used for storage of the component material drums in a staging area outside of the K-25/K-27 Buildings. The Foam Delivery System and foam component material storage enclosures (i.e., Foaming Component Protective Enclosures) used to store polymeric methylene diphenyl diisocyanate (PMDI) component material are identified as Safety Significant (SS) Structures, Systems and Components (SSC) in the Documented Safety Analysis (DSA) for the project, Documented Safety Analysis for the K-25 and K-27 Facilities at the East Tennessee …
Date: February 21, 2008
Creator: Boris, G.
Object Type: Report
System: The UNT Digital Library
For God So Loved the World - Setting Our Hearts on John 3:16 in a Troubled World transcript

For God So Loved the World - Setting Our Hearts on John 3:16 in a Troubled World

Lecture given Tuesday, February 21, 2006, 2:00 PM at Abilene Christian University: "These four - a counselor, social worker, children's minister, and English professor - discuss what it is like to live prayerfully with John 3:16 in relation to the worlds they inhabit. Lectio divina meets our world."
Date: February 21, 2006
Creator: Bost-Henegar, Amy; Metcalf, Carolyn; Weathers, Steve & Wilson, Peter
Object Type: Sound
System: The Portal to Texas History