UNT Libraries Government Documents Department - 11,698 Matching Results

Search Results

Results: 1 - 24 next
open access

Special Report on Regulatory Reform

Description: January special report of the U.S. Congressional Oversight Panel describing their activities and findings regarding the American financial regulatory system, including sections on the effectiveness, problems, and recommendations for improvement.
Date: January 2009
Creator: United States. Congressional Oversight Panel.
Item Type: Refine your search to only Report
open access

Transforming the National Guard and Reserves into a 21st-Century Operational Force Final Report to Congress and the Secretary of Defense

Description: Final report of the Commission on the National Guard and Reserves describing their activities, findings, and recommendations for change to ensure the reserve components of the U.S. military are organized, trained, equipped, compensated, and supported to best meet the needs of the U.S. national security. This final report was informed by 7 days of public hearings, involving 115 witnesses; 52 Commission meetings; more than 850 interviews; and the detailed analysis of thousands of documents. It co… more
Date: January 31, 2008
Creator: United States. Commission on the National Guard and Reserves
Item Type: Refine your search to only Report
open access

Monolithic Nickel (II) Oxide Aerogels Using an Organic Epoxide: The Importance of the Counter Ion

Description: The synthesis and characterization of nickel (II) oxide aerogel materials prepared using the epoxide addition method is described. The addition of the organic epoxide propylene oxide to an ethanolic solution of NiCl{sub 2} 6H{sub 2}O resulted in the formation of an opaque light green monolithic gel and subsequent drying with supercritical CO{sub 2} gave a monolithic aerogel material of the same color. This material has been characterized using powder X-ray diffraction, electron microscopy, elem… more
Date: January 13, 2004
Creator: Gash, A. E.; Satcher, J. H. & Simpson, R. L.
Item Type: Refine your search to only Article
open access

The Weak lensing bispectrum

Description: Weak gravitational lensing of background galaxies offers an excellent opportunity to study the intervening distribution of matter. While much attention to date has focused on the two-point function of the cosmic shear, the three-point function, the bispectrum, also contains very useful cosmological information. Here, we compute three corrections to the bispectrum which are nominally of the same order as the leading term. We show that the corrections are small, so they can be ignored when analyz… more
Date: January 1, 2005
Creator: Dodelson, Scott & Zhang, Pengjie
Item Type: Refine your search to only Article
open access

Formulation of the Linear Response Theory in Relativistic LAPW Method. Calculation of Forces in Alpha-Pu

Description: Linear-response (LR) theory in combination with the first-principles band structure codes allows to calculate phonons in an efficient way. In this report a formalism which enables us to apply LR theory within an all-electron framework utilizing the relativistic full-potential linearized augmented plane-wave (RFLAPW) method is presented. As first part, the equations for the calculations of the atomic forces are given and they are used for the calculation of forces in {alpha}-Pu. As a second step… more
Date: January 8, 2004
Creator: Kutepov, A L
Item Type: Refine your search to only Report
open access

Effects of pressure and saturation on seismic velocities and impedance measurements

Description: Two synthetic data sets were examined to study the possible methods for distinguishing the effects of changes in saturation, and changes in pore pressure, on seismic velocity and impedance measurements. The results show that the results obtained previously on the dependence of laboratory velocity data on changes in saturation carry over without change to the data in these data sets. The assumption in this case is that the only data available are the seismic velocities. This situation can arise … more
Date: January 18, 2001
Creator: Berryman, James G.
Item Type: Refine your search to only Report
open access

Techniques in Broadband Interferometry

Description: This is a compilation of my patents issued from 1997 to 2002, generally describing interferometer techniques that modify the coherence properties of broad-bandwidth light and other waves, with applications to Doppler velocimetry, range finding, imaging and spectroscopy. Patents are tedious to read in their original form. In an effort to improve their readability I have embedded the Figures throughout the manuscript, put the Figure captions underneath the Figures, and added section headings. Oth… more
Date: January 4, 2004
Creator: Erskine, D J
Item Type: Refine your search to only Report
open access

The National Ignition Facility: Status and Plans for Laser Fusion and High-Energy-Density Experimental Studies

Description: The National Ignition Facility (NIF), currently under construction at the University of California's Lawrence Livermore National Laboratory is a $2.25B stadium-sized facility containing a 192-beam, 1.8-Megajoule, 500-Terawatt, 351-nm laser system. NIF is being built by the National Nuclear Security Agency and when completed will be the world's largest laser system, providing a national center to study inertial confinement fusion and the physics of extreme energy densities and pressures. In NIF … more
Date: January 11, 2002
Creator: Moses, E I
Item Type: Refine your search to only Article
open access

POLARIZED HYDROGEN JET TARGET FOR MEASUREMENT OF RHIC PROTON BEAM POLARIZATION.

Description: The performance and unique features of the RHIC polarized jet target and our solutions to the important design constraints imposed on the jet by the RHIC environment are described. The target polarization and thickness were measured to be 0.924 {+-} 2% and 1.3 {+-} 0.2 x 10{sup 12} atoms/cm{sup 2} respectively.
Date: January 28, 2005
Creator: Makdisi, Y.; Wise, T.; Chapman, M.; Graham, D.; Kponou, A.; Mahler, G. et al.
Item Type: Refine your search to only Article
open access

Stability of Stationary Solutions of the Multifrequency Radiation Diffusion Equations

Description: A nondimensional model of the multifrequency radiation diffusion equation is derived. A single material, ideal gas, equation of state is assumed. Opacities are proportional to the inverse of the cube of the frequency. Inclusion of stimulated emission implies a Wien spectrum for the radiation source function. It is shown that the solutions are uniformly bounded in time and that stationary solutions are stable. The spatially independent solutions are asymptotically stable, while the spatially dep… more
Date: January 20, 2004
Creator: Hald, O H & Shestakov, A I
Item Type: Refine your search to only Article
open access

Redesign of the CKM RICH velocity spectrometers for use in a 1/4 GHz un separated beam

Description: I report here a redesign of the CKM RICH velocity spectrometers for use in a 1/4 GHz unseparated beam adapted to the KTeV beam line and detector hall at Fermilab (P940). The redesigns reported here comprise modest modification to the original designs for CKM(E921) to accommodate the change in beam flux, momentum, and momentum bite of the primary beam. The ultimate performance of the velocity spectrometer systems, as quantified by the missing mass squared resolution for K{sup +} {yields} {pi}{su… more
Date: January 1, 2004
Creator: Cooper, Peter S. & Engelfried, Jurgen
Item Type: Refine your search to only Article
open access

Flor-Essence? Herbal Tonic Promotes Mammary Tumor Development in Sprague Dawley Rats

Description: Background: Women who are diagnosed with breast cancer often self-administer complementary and alternative medicines to augment their conventional treatments, improve health, or prevent recurrence. Flor-Essence{reg_sign} Tonic is a complex mixture of herbal extracts used by cancer patients because of anecdotal evidence that it can treat or prevent disease. Methods: Female Sprague Dawley rats were given water or exposed to 3% or 6% Flor-Essence{reg_sign} beginning at one day of age. Mammary tumo… more
Date: January 28, 2004
Creator: Bennett, L; Montgomery, J; Steinberg, S & Kulp, K
Item Type: Refine your search to only Article
open access

The Impact of Humidity, Temperature and Ultraviolet Light on the Near-Field Environmental Fate of Pinacolyl Alcohol, Methyl Iodide, Methylphosphonic Dichloride (DCMP) and Thionyl Chloride Using an Environmental Wind Tunnel

Description: Understanding the near-field fate of parent chemicals and their decay products in the atmosphere provides essential information for the development of remote chemical sensors. To elucidate the near-field fate of candidate chemical signatures, selected gas phase compounds were introduced into atmospheres of varying humidity, temperature and incident light flux. These atmospheres were maintained in an environmental wind tunnel for periods typical of near-field transport scenarios. The range of hu… more
Date: January 24, 2003
Creator: Driver, Crystal J.; Johnson, Timothy J.; Su, Yin-Fong; Alexander, M. Lizabeth; Fellows, Robert J.; Magnuson, Jon K. et al.
Item Type: Refine your search to only Report
open access

The Cryogenic Dark Matter Search and Background Rejection with Event Position Information

Description: Evidence from observational cosmology and astrophysics indicates that about one third of the universe is matter, but that the known baryonic matter only contributes to the universe at 4%. A large fraction of the universe is cold and non-baryonic matter, which has important role in the universe structure formation and its evolution. The leading candidate for the non-baryonic dark matter is Weakly Interacting Massive Particles (WIMPs), which naturally occurs in the supersymmetry theory in particl… more
Date: January 1, 2005
Creator: Wang, Gen-sheng & U., /Case Western Reserve
Item Type: Refine your search to only Thesis or Dissertation
open access

PADRE: a parallel asynchronous data routing environment

Description: Increasingly in industry, software design and implementation is object-oriented, developed in C++ or Java, and relies heavily on pre-existing software libraries (e.g. the Microsoft Foundation Classes for C++, the Java API for Java). A similar but more tentative trend is developing in high-performance parallel scientific computing. The transition from serial to parallel application development considerably increases the need for library support: task creation and management, data distribution an… more
Date: January 8, 2001
Creator: Gunney, B & Quinlan, D
Item Type: Refine your search to only Article
open access

Ultrasound Imaging Using Diffraction Tomography in a Cylindrical Geometry

Description: Tomographic images of tissue phantoms and a sample of breast tissue have been produced from an acoustic synthetic array system for frequencies near 500 kHz. The images for sound speed and attenuation show millimeter resolution and demonstrate the feasibility of obtaining high-resolution tomographic images with frequencies that can deeply penetrate tissue. The image reconstruction method is based on the Born approximation to acoustic scattering and is a simplified version of a method previously … more
Date: January 24, 2002
Creator: Chambers, D H & Littrup, P
Item Type: Refine your search to only Article
open access

Position Estimation of Transceivers in Communication Networks

Description: With rapid developments in wireless sensor networks, there is a growing need for transceiver position estimation independent of GPS, which may not be available in indoor networks. Our approach is to use range estimates from time-of-flight (TOF) measurements, a technique well suited to large bandwidth physical links, such as in ultra-wideband (UWB) systems. In our UWB systems, pulse duration less than 200 psecs can easily be resolved to less than a foot. Assuming an encoded UWB physical layer, w… more
Date: January 20, 2004
Creator: Dowla, F. & Kent, C.
Item Type: Refine your search to only Article
open access

Unveiling neutrino mixing and leptonic CP violation

Description: We review the present understanding of neutrino masses and mixings, discussing what are the unknowns in the three family oscillation scenario. Despite the anticipated success coming from the planned long baseline neutrino experiments in unraveling the leptonic mixing sector, there are two important unknowns which may remain obscure: the mixing angle {theta}{sub 13} and the CP-phase {delta}. The measurement of these two parameters has led us to consider the combination of superbeams and neutrino… more
Date: January 1, 2005
Creator: Mena, Olga
Item Type: Refine your search to only Article
open access

Hierarchical Volume Representation with 3{radical}2 Subdivision and Trivariate B-Spline Wavelets

Description: Multiresolution methods provide a means for representing data at multiple levels of detail. They are typically based on a hierarchical data organization scheme and update rules needed for data value computation. We use a data organization that is based on what we call n{radical}2 subdivision. The main advantage of subdivision, compared to quadtree (n = 2) or octree (n = 3) organizations, is that the number of vertices is only doubled in each subdivision step instead of multiplied by a factor of… more
Date: January 11, 2002
Creator: Linsen, L; Gray, JT; Pascucci, V; Duchaineau, M & Hamann, B
Item Type: Refine your search to only Article
open access

Asymptotic technique for the far field pattern of a dipole in an infinite stratified medium

Description: Modern antennas especially arrays are being placed in layers of materials on complex environments. This technique produces aesthetically pleasing structures if necessary, allows for more freedom in structure planning, and can improve antenna performance. In the past, buried antennas have been studied by numerous authors such as in Reference. Recent work on this subject uses spectral and/or numerical moment method formulations. For high frequency analysis it is important to find efficient and ac… more
Date: January 8, 2001
Creator: Rockway, J T; Marhefka, R J & Champagne, N
Item Type: Refine your search to only Article
open access

Retrieval and Pipeline Transfer Assessment of Hanford Tank 241-AN-105 Waste

Description: This study assesses five steps for Tank 241-AN-105 waste retrieval and subsequent pipeline transfer: 1. Remove supernatant liquid waste from AN-105 and transfer it through a pipeline with inline dilution with water (1st liquid waste transfer). 2. Add water (as a diluent) to Tank AN-105. 3. Mix the saltcake waste and water with mixer pumps to dissolve soluble solids. 4. Let undissolved solids settle to the tank bottom. 5. Remove the resulting supernatant liquid waste from Tank AN-105 (2nd liquid… more
Date: January 15, 2003
Creator: Onishi, Yasuo; Tingey, Joel M.; Recknagle, Kurtis P.; Liu, Jun; Terrones, Guillermo; Yokuda, Satoru T. et al.
Item Type: Refine your search to only Report
Back to Top of Screen