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30
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24
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14
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13
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Board Meeting and Caucus, Texas Convention, June 14, 2004
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2,040 Matching Results
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Feasibility Study of a 1.5-GeV Proton FFAG in the AGS Tunnel
N/A
Date:
June 1, 2004
Creator:
A., Ruggiero
Object Type:
Report
System:
The UNT Digital Library
PROSPECTS FOR PENTAQUARK SEARCHES IN E+D- ANNIHILATIONS AND VV COLLISIONS.
Recent strong experimental evidence of a narrow exotic S = +1 baryon resonance, {Theta}{sup +}, suggests the existence of other exotic baryons. We discuss the prospects of confirming earlier experimental evidence of {Theta}{sup +} and the observation of additional hypothetical exotic baryons in e{sup +}e{sup -} annihilations and {gamma}{gamma} collisions at LEP and B Factories.
Date:
June 28, 2004
Creator:
ARMSTRONG,S.; MELLADO,B. & WU,S. L.
Object Type:
Article
System:
The UNT Digital Library
Power Technologies Data Book 2003 Edition
The 2003 edition of this report, prepared by NREL's Energy Analysis Office, includes up-to-date information on power technologies, including complete technology profiles. The data book also contains charts on electricity restructuring, power technology forecasts and comparisons, electricity supply, electricity capability, electricity generation, electricity demand, prices, economic indicators, environmental indicators, conversion factors, and selected congressional questions and answers.
Date:
June 1, 2004
Creator:
Aabakken, J.
Object Type:
Report
System:
The UNT Digital Library
Colloid-Facilitated Plutonium Transport in Saturated Alluvium
Natural groundwater colloids have been recognized as possible agents for enhancing the subsurface transport of strongly-sorbing radionuclides. To evaluate this mechanism, packed-bed column experiments were conducted comparing the simultaneous transport of dissolved plutonium (Pu), Pu sorbed onto natural colloids, 190-nm and 500-nm diameter fluorescent CML microspheres, and tritiated water in saturated alluvium. Experiments were conducted in two columns having slightly different porosities at two flow rates, resulting in average linear velocities (v{sub z}) of 0.6 to 3.65 cm/hr in one column and 0.57 to 2.85 cm/hr in the other. In all experiments, Pu associated with natural colloids transported through alluvium essentially unretarded, while dissolved Pu was entirely retained. These results were consistent with the strong sorption of Pu to alluvium and the negligible desorption from natural colloids, observed in separate batch experiments, over time scales exceeding those of the column experiments. Breakthroughs of natural colloids preceded tritiated water in all experiments, indicating a slightly smaller effective pore volume for the colloids. The enhancement of colloids transport over tritiated water decreased with v{sub z}, implying {approx} 40% enhancement at v{sub z} = 0. The 500-nm CML microspheres were significantly attenuated in the column experiments compared to the 190-nm microspheres, which exhibited …
Date:
June 1, 2004
Creator:
Abdel-Fattah, A.; Reimus, P.; Ware, S. & Haga, M.
Object Type:
Report
System:
The UNT Digital Library
Migration and Entrapment of DNAPLs in Heterogeneous Systems: Impact of Waste and Porous Medium Composition
Previously funded EMSP research efforts were directed towards the quantification of dense non-aqueous phase liquid (DNAPL) migration and entrapment behavior in physically and chemically heterogeneous systems. This research demonstrated that chemical heterogeneities can have a significant influence on DNAPL fate and persistence. Previous work, however, was limited to examination of the behavior of pure DNAPLs in systems with simple and well-defined aqueous and solid surface chemistry. The subsurface chemical environments at many DOE sites, however, are generally more complex than these idealized systems, due to the release of complex mixtures of wastes and more complex physical and chemical heterogeneity. The research undertaken in this project seeks to build upon our previous research experience and expertise to explore the influence of waste and porous media composition on DNAPL migration and entrapment in the saturated zone. DNAPL mixtures and soils typical of those found across the DOE complex are being used in these studies. Many of the experimental procedures and protocols used herein are based upon those developed under previous EMSP funding. This past work also provides the conceptual framework for characterizing and interpreting experimental results, mathematical model development, and inverse modeling protocols.
Date:
June 1, 2004
Creator:
Abriola, Linda M. & Demond, Avery H.
Object Type:
Report
System:
The UNT Digital Library
{phi} meson production in Au + Au and p + p collisions at {radical}s{sub NN}=200 GeV
We report the STAR measurement of {psi} meson production in Au + Au and p + p collisions at {radical}s{sub NN} = 200 GeV. Using the event mixing technique, the {psi} spectra and yields are obtained at midrapidity for five centrality bins in Au+Au collisions and for non-singly-diffractive p+p collisions. It is found that the {psi} transverse momentum distributions from Au+Au collisions are better fitted with a single-exponential while the p+p spectrum is better described by a double-exponential distribution. The measured nuclear modification factors indicate that {psi} production in central Au+Au collisions is suppressed relative to peripheral collisions when scaled by the number of binary collisions (<N{sub bin}>). The systematics of <p{sub T}> versus centrality and the constant {psi}/K{sup -} ratio versus beam species, centrality, and collision energy rule out kaon coalescence as the dominant mechanism for {psi} production.
Date:
June 1, 2004
Creator:
Adams, J.; Adler, C.; Aggarwal, M. M.; Ahammed, Z.; Amonett, J.; Anderson, B. D. et al.
Object Type:
Article
System:
The UNT Digital Library
Indulging in the Pleasures of God
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "Does the Bible really teach that Christianity is self-denying? Experiencing Christianity as restrictive can drain our souls and weaken spiritual life. There is a better way. Why not indulge in the pleasures of God and enjoy Him forever?"
Date:
June 26, 2004
Creator:
Adcox, Jimmy
Object Type:
Sound
System:
The Portal to Texas History
U.S.-European Union Trade Relations: Issues and Policy Challenges
This report includes information regarding issues and policy challenges with U.S.-European trade relations. Growing strains, resolving longstanding disputes, and strengthening the multilateral trading system are among topics discussed in this report.
Date:
June 8, 2004
Creator:
Ahearn, Raymond J.
Object Type:
Report
System:
The UNT Digital Library
Relaxation nuclear magnetic resonance imaging (R-NMRI) of desiccation in M9787 silicone pads.
The production and aging of silicone materials remains an important issue in the weapons stockpile due to their utilization in a wide variety of components and systems within the stockpile. Changes in the physical characteristics of silicone materials due to long term desiccation has been identified as one of the major aging effects observed in silicone pad components. Here we report relaxation nuclear magnetic resonance imaging (R-NMRI) spectroscopy characterization of the silica-filled and unfilled polydimethylsiloxane (PDMS) and polydiphenylsiloxane (PDPS) copolymer (M9787) silicone pads within desiccating environments. These studies were directed at providing additional details about the heterogeneity of the desiccation process. Uniform NMR spin-spin relaxation time (T2) images were observed across the pad thickness indicating that the drying process is approximately uniform, and that the desiccation of the M9787 silicone pad is not a H2O diffusion limited process. In a P2O5 desiccation environment, significant reduction of T2 was observed for the silica-filled and unfilled M9787 silicone pad for desiccation up to 225 days. A very small reduction in T2 was observed for the unfilled copolymer between 225 and 487 days. The increase in relative stiffness with desiccation was found to be higher for the unfilled copolymer. These R-NMRI results are …
Date:
June 1, 2004
Creator:
Alam, Todd M; Cherry, Brian Ray & Alam, Mary Kathleen
Object Type:
Report
System:
The UNT Digital Library
Oral History Interview with Kenneth Alberding, June 2, 2004
The National Museum of the Pacific War presents an interview with Kenneth Alberding. Alberding joined the Army Air Forces in January of 1943. He completed navigation training, and also worked in the photo lab printing publicity photos of cadets. He completed radio school in April of 1944 in Traux Field, Madison, Wisconsin. He worked in the Headquarters unit, 456th Squadron, as a radio mechanic on B-29s. He remained in the US throughout the war and was discharged in January of 1946.
Date:
June 2, 2004
Creator:
Alberding, Kenneth
Object Type:
Sound
System:
The Portal to Texas History
Oral History Interview with Kenneth Alberding, June 2, 2004
The National Museum of the Pacific War presents an interview with Kenneth Alberding. Alberding joined the Army Air Forces in January of 1943. He completed navigation training, and also worked in the photo lab printing publicity photos of cadets. He completed radio school in April of 1944 in Traux Field, Madison, Wisconsin. He worked in the Headquarters unit, 456th Squadron, as a radio mechanic on B-29s. He remained in the US throughout the war and was discharged in January of 1946.
Date:
June 2, 2004
Creator:
Alberding, Kenneth
Object Type:
Text
System:
The Portal to Texas History
Oral History Interview with Albert Albritton, June 15, 2004
The National Museum of the Pacific War presents an interview with Albert Albritton. Albritton joined the Navy in 1937. He served aboard the USS Dobbin (AD-3). They were present during the attack on Pearl Harbor on 7 December 1941. At the time of the attack the Dobbin was moored northeast of Ford Island. After the attack, they picked up survivors and took the wounded to shore. Albritton participated in the Korean War and was discharged in 1957.
Date:
June 15, 2004
Creator:
Albritton, Albert
Object Type:
Text
System:
The Portal to Texas History
The Redemptive Challenge in Isaiah's Charge
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "Isaiah's charge in Isaiah 6 concerns preaching (until no one can bear to hear another thing, until no one will hear another thing, until there is no hope, until the hearts of the people are so hard they will never turn). However, with the heart of a lover, God sent Isaiah because 'if they did hear,' they 'might' turn. And if they turned, He 'would forgive.'"
Date:
June 26, 2004
Creator:
Alexander, Karen
Object Type:
Sound
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 19, No. 23, Ed. 1 Thursday, June 3, 2004
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
June 3, 2004
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 19, No. 24, Ed. 1 Thursday, June 10, 2004
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
June 10, 2004
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 19, No. 25, Ed. 1 Thursday, June 17, 2004
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
June 17, 2004
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 19, No. 26, Ed. 1 Thursday, June 24, 2004
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
June 24, 2004
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Cruciform Life: Do Spirituality and Discipleship Go Together?
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "With the release of a new, expanded edition of 'The Cruciform Church: Becoming a Cross-Shaped People in a Secular World' (1990, 2004), the author examines challenges of being a cross-shaped people today. Do churches truly receive the sinful and broken with the love of Jesus? Can the practice of baptism be strengthened and renewed? Does today's interest in 'spirituality' lead to the formation of disciples?"
Date:
June 26, 2004
Creator:
Allen, Leonard
Object Type:
Sound
System:
The Portal to Texas History
Cruciform Liturgy: Is Baptism Making a Comeback?
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "With the release of a new, expanded edition of 'The Cruciform Church: Becoming a Cross-Shaped People in a Secular World' (1990, 2004), the author examines challenges of being a cross-shaped people today. Do churches truly receive the sinful and broken with the love of Jesus? Can the practice of baptism be strengthened and renewed? Does today's' interest in 'spirituality' lead to the formation of disciples?"
Date:
June 26, 2004
Creator:
Allen, Leonard
Object Type:
Sound
System:
The Portal to Texas History
Cruciform Love: Can Churches Receive Sinners?
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "With the release of a new, expanded edition of 'The Cruciform Church: Becoming a Cross-Shaped People in a Secular World' (1990, 2004), the author examines challenges of being a cross-shaped people today. Do churches truly receive the sinful and broken with the love of Jesus? Can the practice of baptism be strengthened and renewed? Does today's interest in 'spirituality' lead to the formation of disciples?"
Date:
June 26, 2004
Creator:
Allen, Leonard
Object Type:
Sound
System:
The Portal to Texas History
A Hydrologic-Geophysical Method for Characterizing Flow and Transport Processes within the Vadose Zone
The research objective of this project is to analyze the resolution of two different geophysical imaging techniques (electrical resistivity tomography and cross-borehole ground penetrating radar) for monitoring subsurface flow and transport processes within the vadose zone. This is being accomplished through a coupled approach involving large scale unsaturated flow modeling, petrophysical conversion of the resulting hydrologic properties to a geophysical property model and generation of synthetic geophysical data, followed by the inversion of the synthetic geophysical data. The resolution, benefits, and limitations of the geophysical techniques will then be ascertained through analysis and comparison of the images to the original hydrologic model. In addition, increasing levels of complexity will be added to the models as the project progresses through the addition of heterogeneity in the original hydrologic property model, and through uncertainty in the petrophysical relationship that couples the geophysical model to the hydrologic simulation.
Date:
June 30, 2004
Creator:
Alumbaugh, David L. & Brainard, James R.
Object Type:
Report
System:
The UNT Digital Library
Southwest Retort, Volume 56, Number 9, May/June 2004
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community.
Date:
June 2004
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Observation of Self-Sputtering in Energetic Condensation of Metal Ions
The condensation of energetic metal ions on a surface may cause self-sputtering even in the absence of substrate bias. Charge-state-averaged self-sputtering yields were determined for both zirconium and gold ions generated by a cathodic vacuum arc. Films were deposited on differently biased substrates exposed to streaming Zr and Au vacuum arc plasma. The self-sputtering yields for both metals were estimated to be about 0.05 in the absence of bias, and exceeding 0.5 when bias reached-50 V. These surprisingly high values can be reconciled with binary collision theory and molecular dynamics calculations taking high the kinetic and potential energy of vacuum arc ions into account.
Date:
June 16, 2004
Creator:
Anders, Andre
Object Type:
Article
System:
The UNT Digital Library
Going Back to Get Ahead
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "Hopelessness haunts the globe and many corners of the church. Class examines our current setting and strategies for being agents of hope by telling the story effectively and authentically 'being the church.'"
Date:
June 26, 2004
Creator:
Anderson, Lynn
Object Type:
Sound
System:
The Portal to Texas History