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A Comprehensive Study of Surface Chemistry for Application to Engine NOx Aftertreatment
This work focuses on developing a scientific understanding of the processes associated with NO{sub x} trap operation. NO{sub x} traps are the most advanced technology for achieving future emissions standards with diesel engines. Successful development of NO{sub x} traps will allow widespread use of diesel engines in light-duty vehicles, reducing oil imports by as much as 60%. Diesel engines have a high efficiency and low maintenance that makes them the ideal choice for transportation applications. Use of diesel engines in all light-duty vehicles would reduce oil consumption in the USA by 30% and oil imports by 60%, considerably improving our energy security. For heavy trucks, there is no viable alternative to diesel engines. Only diesel engines can provide the necessary high efficiency and long life. These benefits are offset by high emission of pollutants. Diesel engines have high emissions of NO{sub x} and particulate matter. Over the last 20 years, EPA has been reducing allowable emissions from diesel engines, and NO{sub x} emissions are scheduled to be cut by a factor of 10 over the next 7 years. The target NO{sub x} emissions for year 2010 is 0.20 g/hp-hr. This value is well below 1 g/hp-hr, which has been identified …
Date:
February 19, 2004
Creator:
Aceves, S M; Piggot, T; Pitz, W; Mundy, C; Kuo, W & Havstad, M
Object Type:
Report
System:
The UNT Digital Library
Recovering Spirituality - What 1 Corinthians Really Says About Being Spiritual
Lecture given Tuesday, February 19, 2002, 9:45 AM at Abilene Christian University: "A careful reading of 1 Corinthians reveals Paul's prescription for a church that had spirituality all wrong. We will see that being spiritual has little to do with knowledge and self, and everything to do with community."
Date:
February 19, 2002
Creator:
Acosta, Albert
Object Type:
Sound
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 19, No. 6, Ed. 1 Thursday, February 19, 2004
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
February 19, 2004
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 27, No. 7, Ed. 1 Thursday, February 19, 2009
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
February 19, 2009
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Things Unseen: Three Key Questions for Churches of Christ in the New Millennium - Life: Can Churches of Christ Become Functionally Trinitarian?
Lecture given Tuesday, February 19, 2002, 8:30 AM at Abilene Christian University: "As the modern world recedes, Churches of Christ are finding their distinctive message and theology, which was rooted firmly in that world, less immediately convincing and more obviously deficient in the new cultural era we are entering. But this situation provides an opportunity to reclaim Christian truth that was compromised or even lost under the pressures and temptations of modernity. Three key questions focus this challenge for the church's heritage, life together and present message."
Date:
February 19, 2002
Creator:
Allen, Leonard
Object Type:
Sound
System:
The Portal to Texas History
Department of Defense Facilities Energy Conservation Policies and Spending
This report reviews energy conservation legislation and Executive Orders that apply to the Department of Defense, directives and instructions to the military departments and agencies on implementing the legislation and orders, Defense spending on facility energy over the last decade, annual Defense appropriations that fund energy-conservation improvements, and Defense energy conservation investments.
Date:
February 19, 2009
Creator:
Andrews, Anthony
Object Type:
Report
System:
The UNT Digital Library
Department of Defense Facilities Energy Conservation Policies and Spending
This report reviews energy conservation legislation and Executive Orders that apply to the Department of Defense, directives and instructions to the military departments and agencies on implementing the legislation and orders, Defense spending on facility energy over the last decade, annual Defense appropriations that fund energy-conservation improvements, and Defense energy conservation investments.
Date:
February 19, 2009
Creator:
Andrews, Anthony
Object Type:
Report
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 105, No. 290, Ed. 1 Thursday, February 19, 2004
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 19, 2004
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Results of the Excreta Bioassay Quality Control Program For April 1, 2006 Through March 31, 2007
A total of 66 urine samples, 6 blank fecal and 6 spiked artificial fecal samples were submitted during the report period (April 1, 2006 through March 31, 2007) to General Engineering Laboratories, South Carolina by the Hanford Internal Dosimetry Program (IDP) to check the accuracy, precision, and detection levels of their analyses. Urine analyses for tritium, Sr, 238Pu, 239Pu, 241Am, 243Am 235U, 238U, elemental uranium and fecal analyses for 241Am, 238Pu and 239Pu were tested this year. The number of QC urine samples submitted during the report period represented 1.7% of the total samples submitted. In addition to the samples provided by IDP, GEL was also required to conduct their own QC program, and submit the results of analyses to IDP. About 36% of the analyses processed by GEL during the second year of this contract were quality control samples. GEL tested the performance of 16 radioisotopes, all of which met or exceeded the specifications in the Statement of Work. IDP concluded that GEL was performing well for all analyses tested, and concerns identified earlier were satisfactorily resolved.
Date:
February 19, 2008
Creator:
Antonio, Cheryl L.
Object Type:
Report
System:
The UNT Digital Library
Embodied Spirituality: Discovering a Balance of Nature and Grace - A Look at the Incarnation
Lecture given Tuesday, February 19, 2002, 9:45 AM at Abilene Christian University: "What does it mean to be created in the image of God? In what ways are we called to fulfill this goal? Is it completely a divine reality, merely a human reality, or a cooperative effort with God? The incarnation furnishes powerful answers to these questions and provides a balanced approach to spirituality."
Date:
February 19, 2002
Creator:
Aquino, Frederick
Object Type:
Sound
System:
The Portal to Texas History
Parlez-vous Africa?
Lecture given Monday, February 19, 2001, 3:30 PM at Abilene Christian University: "More people live in French-speaking Africa than in France! Mission teams are African church leaders are evangelizing these neglected souls. Hear what is being done and what remains to be done."
Date:
February 19, 2001
Creator:
Bailey, Greg
Object Type:
Sound
System:
The Portal to Texas History
Thriving in a Long Ministry - What's Worked for 31 Years
Lecture given Tuesday, February 19, 2002, 8:30 AM at Abilene Christian University: "Developing and maintaining a productive and lasting relationship among preacher, leaders, congregation and community are tremendous challenges. This class will offer insights from three decades with a growing local church."
Date:
February 19, 2002
Creator:
Baisden, Joe
Object Type:
Sound
System:
The Portal to Texas History
An Innovative Ceramic Corrosion Protection System for Zircaloy Cladding
Light Water reactor (LWR) fuel performance is currently limited by thermal, chemical and mechanical constraints associated with the design, fabrication, and operation of the fuel in incore operation. Corrosion of the zirconium based (Zircaloy-4) alloy cladding of the fuel is a primary limiting factor. Recent success at the University of Florida in developing thin ceramic films with great adhesive properties for metal substrates offers an innovative breakthrough for eliminating a major weakness of the Zircaloy clad. ?The University of Florida proposes to coat the existing Zircaloy clad tubes with a ceramic coating for corrosion protection. An added bonus of this approach would be the implementation of a boron-containing burnable poison outer layer will also be demonstrated as part of the ceramic coating development. In this proposed effort, emphasis will be on the ceramic coating with only demonstration of feasibility on the burnable outer coating approach. This proposed program i s expected to give a step change (approximately a doubling) in clad lifetime before failure due to corrosion. In the development of ceramic coatings for Zircaloy-4 clad, silicon carbide and zirconium carbide coatings will first be applied to Zircaloy-4 coupons and cladding samples by thermal assisted chemical vapor deposition, plasma assisted …
Date:
February 19, 2003
Creator:
Baney, Ronald H.; Tulenko, James S.; Butt, D.; Demkowicz, P.; Fuchs, G.; Schoessow, G. et al.
Object Type:
Report
System:
The UNT Digital Library
The Christian's Green Thumb: The Essentials of Spiritual Growth - The Nurture of Spiritual Growth
Lecture given Tuesday, February 19, 2002, 8:30 AM at Abilene Christian University: "Agriculturists and horticulturists often boast of their mystical green thumb, which helps them produce bountiful harvests of fruits, vegetables and flowers. These sessions will explore ways that the Christian can develop a "green thumb" as he or she seeks to fulfill that all-important mandate to grow spiritually."
Date:
February 19, 2002
Creator:
Barclay, Richard
Object Type:
Sound
System:
The Portal to Texas History
Effects of lattice disorder in the UCu(5-x)Pd(x) system
The UCu5-x Pdx system exhibits non-Fermi liquid (NFL) behavior in thermodynamic and transport properties at low temperatures for Pd concentrations 0.9 less than or approximately x less than or approximately 1.5. The local structure around the U, Cu, and Pd atoms has been measured for
Date:
February 19, 2002
Creator:
Bauer, E. D.; Booth, C. H.; Kwei, G. H.; Chau, R. & Maple, M. B.
Object Type:
Article
System:
The UNT Digital Library
The Artist as Priest and Prophet - Messages: The Voice Crying in the Wilderness
Lecture given Tuesday, February 19, 2002, 2:00 PM at Abilene Christian University: "The church cultivates believing souls by answering compelling questions, while the artist cultivates seeing souls by raising compelling images. Is there a conflict - an identity - in the believing artist's dual relationship with the Kingdom and the "world?" How can she be true to her work and be true to the community of faith?"
Date:
February 19, 2002
Creator:
Beaubeaux, Carmen
Object Type:
Sound
System:
The Portal to Texas History
Dirt-A-Phobia - Spiritual Roots of Our Fear of Being Human
Lecture given Tuesday, February 19, 2002, 2:00 PM at Abilene Christian University: "Twenty-first century America is the cleanest society in the history of the world - at least on the surface. Is our obsession with cleanliness merely an attempt to sweep the messes of our lives under the rug? Discover how God can recycle our personal trash."
Date:
February 19, 2002
Creator:
Beck, Kevin
Object Type:
Sound
System:
The Portal to Texas History
Animal Identification: Overview and Issues
This report provides information about animal identification and proposed solutions. Livestock industry groups, animal health officials, and the U.S. Department of Agriculture (USDA) have been working to establish a nationwide identification (ID) system capable of quickly tracking animals from birth to slaughter, to deal with animal diseases and/or to satisfy foreign market specifications. Some consumer groups are among those who believe ID also would be useful for food safety or retail labeling purposes.
Date:
February 19, 2009
Creator:
Becker, Geoffrey S.
Object Type:
Report
System:
The UNT Digital Library
Faculty Recital: 2007-02-19 - Brad Beckman, piano and Carolyn True, piano
Access:
Use of this item is restricted to the UNT Community
A faculty and guest artist recital performed at the UNT College of Music Recital Hall.
Date:
February 19, 2007
Creator:
Beckman, Bradley & True, Carolyn
Object Type:
Sound
System:
The UNT Digital Library
Apostolic Churches - Moving from Membership to an Inviting, Authentic Faith Family
Lecture given Monday, February 19, 2001, 9:45 AM at Abilene Christian University: "Christians are increasingly eager for training in everyday evangelism because they want to share Jesus with friends, work associates and family. Class sessions will provide effective tools to strengthen skills in conversations, relational evangelism. Examples will be provided of testimony, invitational and special outreach events."
Date:
February 19, 2001
Creator:
Becton, Randy
Object Type:
Sound
System:
The Portal to Texas History
A Public Faith - Moving from Silene Example to a Person-centered Confession
Lecture given Monday, February 19, 2001, 3:30 PM at Abilene Christian University: "Christians are increasingly eager for training in everyday evangelism because they want to share Jesus with friends, work associates and family. Class sessions will provide effective tools to strengthen skills in conversations, relational evangelism. Examples will be provided of testimony, invitational and special outreach events."
Date:
February 19, 2001
Creator:
Becton, Randy
Object Type:
Sound
System:
The Portal to Texas History
Spiritual Transformation - Moving from Dead Orthodoxy to a Faith Worth Sharing
Lecture given Monday, February 19, 2001, 8:30 AM at Abilene Christian University: "Christians are increasingly eager for training in everyday evangelism because they want to share Jesus with friends, work associates and family. Class sessions will provide effective tools to strengthen skills in conversations, relational evangelism. Examples will be provided of testimony, invitational and special outreach events."
Date:
February 19, 2001
Creator:
Becton, Randy
Object Type:
Sound
System:
The Portal to Texas History
Health Care Missions - Compassion Without Borders
Lecture given Monday, February 19, 2001, 9:45 AM at Abilene Christian University: "Medial missions demostrate Jesus' love and compassion. Irrespective of your academic major or professional career, you are needed. An experienced panel will show how you can be involved."
Date:
February 19, 2001
Creator:
Bingham, Janice
Object Type:
Sound
System:
The Portal to Texas History
Evaluation of Mass Transfer Performance for Caustic-Side Solvent Extraction of Cesium in a Conventional 5-cm Centrifugal Contactor
Tests have been conducted to determine if satisfactory mass transfer performance is achieved using a fully pumping 5-cm centrifugal contactor under conditions present in the Caustic-Side Solvent Extraction (CSSX) process. Tests utilized a commercially available contactor that had been modified by installation of a rotor housing bottom that had straight radial vanes on the process side. As received from the vendor, the housing bottom was equipped with curved (impeller-type) vanes that were intended to promote phase separation by minimizing mixing of influent solutions. Stage efficiencies exceeding 85% were obtained under conditions, present in the extraction section of the CSSX flowsheet. Under CSSX stripping conditions the stage efficiency exceeded 90%. In both cases, the efficiencies obtained exceed the minimum requirement for acceptable transfer of cesium in the CSSX process.
Date:
February 19, 2002
Creator:
Birdwell, Jr. J.F.
Object Type:
Report
System:
The UNT Digital Library