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482 Matching Results
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Combating Terrorism: Need to Eliminate Duplicate Federal Weapons of Mass Destruction Training
A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on the potential for duplicative weapons of mass destruction training, focusing on: (1) the principal federal organizations that provide weapons of mass destruction training to first responders; (2) whether the training is well coordinated among federal organizations; and (3) actions being taken to improve the federal government's role in weapons of mass destruction training."
Date:
March 21, 2000
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Comments on Cosmic Censorship in AdS/CFT
Recently Hertog, Horowitz, and Maeda (HHM) (hep-th/0310054) have proposed that cosmic censorship can be violated in the AdS/CFT context. They argue that for certain initial data there is insufficient energy available to make a black hole whose horizon is big enough to cloak the singularity that forms. We have investigated this proposal in the models HHM discuss and have thus far been unable to find initial data that provably satisfy this criterion, despite our development of an improved lower bound on the size of the singular region. This is consistent with recent numerical results (hep-th/0402109). For certain initial data, the energies of our configurations are not far above the lower bound on the requisite black hole mass, and so it is possible that in the exact time development naked singularities do form. We go on to argue that the finite radius cut-off AdS_5 situation discussed by HHM displays instabilities when the full 10D theory is considered. We propose an AdS_3 example that may well be free of this instability.
Date:
March 21, 2004
Creator:
Hubeny, Veronika E.; Liu, Xiao; Rangamani, Mukund & Shenker, Stephen
Object Type:
Article
System:
The UNT Digital Library
Comments on Worldsheet Theories Dual to Free Large N Gauge Theories
We continue to investigate properties of the worldsheet conformal field theories (CFTs) which are conjectured to be dual to free large N gauge theories, using the mapping of Feynman diagrams to the worldsheet suggested in [1]. The modular invariance of these CFTs is shown to be built into the formalism. We show that correlation functions in these CFTs which are localized on subspaces of the moduli space may be interpreted as delta-function distributions, and that this can be consistent with a local worldsheet description given some constraints on the operator product expansion coefficients. We illustrate these features by a detailed analysis of a specific four-point function diagram. To reliably compute this correlator we use a novel perturbation scheme which involves an expansion in the large dimension of some operators.
Date:
March 21, 2007
Creator:
Aharony, Ofer; /Weizmann Inst. /Stanford U., ITP /SLAC; David, Justin R.; Gopakumar, Rajesh; Inst., /Harish-Chandra Res.; Komargodski, Zohar et al.
Object Type:
Report
System:
The UNT Digital Library
The Committee System in the U.S. Congress
This report provides a brief overview of the organization and operations of House and Senate committees.
Date:
March 21, 2007
Creator:
Schneider, Judy
Object Type:
Report
System:
The UNT Digital Library
Comparison of Digital Asset Management Systems (work area E)
Paper for an Institute of Museum and Library Sciences (IMLS) Grant Partner Uplift Project. This paper describes examinations of various digital asset management systems' (DAMS) capabilities and functions. Evaluation is based on the documentation relating to each package.
Date:
March 21, 2007
Creator:
Phillips, Mark Edward & Polyakov, Serhiy
Object Type:
Paper
System:
The UNT Digital Library
Consumer Bankruptcy and Household Debt
This report provides information about the Consumer Bankruptcy and Household Debt. The principal impetus behind bankruptcy reform is high number of consumer bankruptcy filings.
Date:
March 21, 2005
Creator:
Jickling, Mark
Object Type:
Report
System:
The UNT Digital Library
Cooper Review (Cooper, Tex.), Vol. 122, No. 12, Ed. 1 Thursday, March 21, 2002
Weekly newspaper from Cooper, Texas that includes local, state, and national news along with advertising.
Date:
March 21, 2002
Creator:
Stone, Beth
Object Type:
Newspaper
System:
The Portal to Texas History
Corrosion Characterization of Iron-Based High-Performance Amorphous-Metal Thermal-Spray Coatings
New corrosion-resistant, iron-based amorphous metals have been identified from published data or developed through combinatorial synthesis, and tested to determine their relative corrosion resistance. Many of these materials can be applied as coatings with advanced thermal spray technology. Two compositions have corrosion resistance superior to wrought nickel-based Alloy C-22 (UNS N06022) in some very aggressive environments, including concentrated calcium-chloride brines at elevated temperature. One of these compositions, SAM1651, is discussed in detail to illustrate the promise of this general class of materials.
Date:
March 21, 2005
Creator:
Farmer, J. C.; Haslam, J. J.; Day, S. D.; Branagan, D. J.; Blue, C. A.; Rivard, J. K. et al.
Object Type:
Article
System:
The UNT Digital Library
Corrosion Rate of Alloy 22 as a Function of Immersion Time
Alloy 22 (N06022) is a nickel (Ni) based alloy containing nominally 22% Chromium (Cr), 13% Molybdenum (Mo) and 3% tungsten (W). Alloy 22 is highly resistant to general and localized corrosion such as pitting corrosion and stress corrosion cracking. Due to the formation of a stable passive film, when Alloy 22 is immersed in certain electrolytes, its corrosion potential (E{sub corr}) increases and its corrosion rate (CR) decreases as a function of the immersion time. This paper discusses the evolution of E{sub corr} and corrosion rate (CR) of creviced Alloy 22 specimens in six different mixtures of sodium chloride (NaCl) and potassium nitrate (KNO{sub 3}) at 100 C. Two types of specimens were used, polished as-welded (ASW) and as-welded solution plus heat-treated (ASW+SHT). The latter contained the black annealing oxide film on the surface. Results show that, for the two type of materials, as the immersion time increases, E{sub corr} increased and the CR decreased. Even for concentrated brine solutions at 100 C the CR was < 50 nm/year after more than 100 days immersion.
Date:
March 21, 2005
Creator:
Estill, J. C.; Hust, G. A.; King, K. J. & Rebak, R. B.
Object Type:
Article
System:
The UNT Digital Library
Cyprus: Status of U.N. Negotiations
Cyprus has been divided since 1974. Greek Cypriots, nearly 80% of the population, live in the southern two thirds of the island. Turkish Cypriots live in the “Turkish Republic of Northern Cyprus” (recognized only by Turkey), with about 30,000 Turkish troops providing security. U.N. peacekeeping forces maintain a buffer zone between the two. Members of Congress have urged the Administration to be more active, although they have not proposed an alternative to the U.N.-sponsored talks.
Date:
March 21, 2003
Creator:
Migdalovitz, Carol
Object Type:
Report
System:
The UNT Digital Library
Daily Journal (Perry, Okla.), Vol. 108, No. 57, Ed. 1 Wednesday, March 21, 2001
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 21, 2001
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Daily Journal (Perry, Okla.), Vol. 109, No. 58, Ed. 1 Thursday, March 21, 2002
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 21, 2002
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
[Dallas Cup 2005 opening ceremony]
During the opening ceremony of the Dallas Cup 2005 the participating teams march onto the field.
Date:
March 21, 2005
Creator:
Castillo, José L.
Object Type:
Photograph
System:
The UNT Digital Library
[Dallas Cup 2005 opening ceremony]
During the opening ceremony of the Dallas Cup 2005 the participating teams march onto the field.
Date:
March 21, 2005
Creator:
Castillo, José L.
Object Type:
Photograph
System:
The UNT Digital Library
Dallas Voice (Dallas, Tex.), Vol. 19, No. 48, Ed. 1 Friday, March 21, 2003
Weekly newspaper from Dallas, Texas that includes local, state, and national news and advertising of interest to the Lesbian, Gay, Bisexual, and Transgender (LGBT) community.
Date:
March 21, 2003
Creator:
Vercher, Dennis
Object Type:
Newspaper
System:
The UNT Digital Library
Dallas Voice (Dallas, Tex.), Vol. 24, No. 43, Ed. 1 Friday, March 21, 2008
Weekly newspaper from Dallas, Texas that includes local, state, and national news and advertising of interest to the Lesbian, Gay, Bisexual, and Transgender (LGBT) community.
Date:
March 21, 2008
Creator:
Nash, Tammye
Object Type:
Newspaper
System:
The UNT Digital Library
Data Security Breaches: Context and Incident Summaries
This report discusses the Context and Incident Summaries on Data Security Breaches. Personal data security breaches are being reported with increasing regularity. A law implemented in July 2003 had increased awareness of these data security breaches.
Date:
March 21, 2007
Creator:
Tehan, Rita
Object Type:
Report
System:
The UNT Digital Library
The Debt Limit: The Ongoing Need for Increases
The surpluses over the four fiscal years 1998-2001 reduced debt held by the public by $448 billion. More than offsetting this debt reduction, the surpluses credited to debt-holding government accounts (which generally must invest the surpluses in federal debt), increased their holdings by $853 billion over the same period. The combination ($853 billion minus $448 billion) raised total federal debt by $405 billion. During 2002, debt subject to limit increased enough to reach the then current statutory debt limit, $5.95 trillion, in early April and again in May 2002. Congress passed and the President signed legislation (P.L. 108-24) increasing the limit to $6.4 trillion in June 2002.
Date:
March 21, 2006
Creator:
Winters, Philip D.
Object Type:
Report
System:
The UNT Digital Library
The Decovalex III Project: A Summary of Activities and LessonsLearned
Initiated in 1992, the DECOVALEX project is an international collaboration for advancing the understanding and modeling of coupled thermo-hydro-mechanical (THM) processes in geologic systems. The project has made important scientific achievements through three stages and is progressing in its fourth stage. It has played a key role in the development of mathematical modeling and in situ testing of coupled THM processes in fractured rock and buffer/backfill materials, a subject of importance for performance assessment of radioactive waste geologic repositories. This paper summarizes studies under the most recent stage of the project, DECOVALEX III (2000-2003). These studies include those of two major field experiments: (a) the FEBEX experiment at Grimsel, Switzerland, investigating coupled THM processes in a crystalline rock-bentonite system, and (b) the Drift Scale Test (DST) experiment at Yucca Mountain, Nevada, investigating coupled THM processes in unsaturated tuff. These are two of the largest multiyear heater tests undertaken to date for the study of coupled THM processes in geological systems. In addition, three so-called benchmark tests are also studied to evaluate the impact of coupled THM processes under different scenarios and geometries. Within the DECOVALEX project, multiple research teams participated in each of the studies, using different approaches and computer …
Date:
March 21, 2005
Creator:
Tsang, Chin-Fu; Jing, Lanru; Stephansson, Ove & Kautsky, Fritz
Object Type:
Article
System:
The UNT Digital Library
Defense Logistics: High-Level DOD Coordination Is Needed to Further Improve the Management of the Army's LOGCAP Contract
A letter report issued by the Government Accountability Office with an abstract that begins "The Logistics Civil Augmentation Program (LOGCAP) is an Army program that plans for the use of a private-sector contractor to support worldwide contingency operations. Examples of the types of support available include laundry and bath, food service, sanitation, billeting, maintenance, and power generation. LOGCAP has been used extensively to support U.S. forces in recent operations in southwest Asia, with more than $15 billion in estimated work as of January 2005. While we issued two reports on LOGCAP since 1997 that made recommendations to improve the Army's management of the contract, broader issues on coordination of LOGCAP's contract functions were beyond the scope of our earlier work. This report assesses the extent to which the Army is taking action to improve the management and oversight of LOGCAP and whether further opportunities for using this contract effectively exist."
Date:
March 21, 2005
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Delineation of Fast Flow Paths in Porous Media Using Noble Gas Tracers
Isotopically enriched xenon isotopes are ideal for tracking the flow of relatively large volumes of groundwater. Dissolved noble gas tracers behave conservatively in the saturated zone, pose no health risk to drinking water supplies, and can be used with a large dynamic range. Different Xe isotopes can be used simultaneously at multiple recharge sources in a single experiment. Results from a tracer experiment at a California water district suggests that a small fraction of tracer moved from the recharge ponds through the thick, unconfined, coarse-grained alluvial aquifer to high capacity production wells at a horizontal velocity of 6 m/day. In contrast, mean water residence times indicate that the average rate of transport is 0.5 to 1 m/day.
Date:
March 21, 2002
Creator:
Hudson, G. B. & Moran, J. E.
Object Type:
Report
System:
The UNT Digital Library
Deposit Summary
Deposit summary of $10.00 made on March 21, 2001
Date:
March 21, 2001
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
[Deposit Summary and Eugene Sepulveda's business card]
Deposit summary of $50.00 made on March 22, 2001, and Eugene Sepulveda's business card with contact information at PricewaterhouseCoopers LLP in Austin, Texas.
Date:
March 21, 2001
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
Design of Compact Multi-Megawatt Mode Converter
Experience gained during recent operation of high power 11.424 GHz rf sources for accelerators led to new, more strict requirements on system components. One of the basic components of such a system is a mode converter that transforms the rectangular waveguide mode into the TE{sub 01} mode in circular waveguide. With such a converter, it is possible to minimize the use of WR90 rectangular waveguide which was shown to be a weak part of the previous system at power levels higher than 100 MW and pulse lengths on the order of a microsecond. We used several methods to design a mode converter with extremely low parasitic mode conversion and compact size. These methods employ HFSS[4] and include multi-parameter searches, concurrent optimization with a mode-matching code Cascade[2], cascading of resulting S-matrices, and tolerance analysis using perturbation techniques. This report describes the design methods and presents results.
Date:
March 21, 2006
Creator:
Dolgashev, V.A.; Tantawi, S.G. & Nantista, C.D.
Object Type:
Article
System:
The UNT Digital Library