Texas Register, Volume 37, Number 11, Pages 1863-1958, March 16, 2012 (open access)

Texas Register, Volume 37, Number 11, Pages 1863-1958, March 16, 2012

A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date: March 16, 2012
Creator: Texas. Secretary of State.
Object Type: Journal/Magazine/Newsletter
System: The Portal to Texas History
Navy DDG-51 and DDG-1000 Destroyer Programs: Background and Issues for Congress (open access)

Navy DDG-51 and DDG-1000 Destroyer Programs: Background and Issues for Congress

This report presents background information and potential oversight issues for Congress on the Navy's Arleigh Burke (DDG-51) and Zumwalt (DDG-1000) class destroyer programs. Decisions that Congress makes concerning these programs could substantially affect Navy capabilities and funding requirements, and the U.S. shipbuilding industrial base.
Date: March 16, 2012
Creator: O'Rourke, Ronald
Object Type: Report
System: The UNT Digital Library
International Family Planning Programs: Issues for Congress (open access)

International Family Planning Programs: Issues for Congress

This report looks at how the debate over family planning within the U.S. is spilling over to U.S.-funded family planning programs abroad.
Date: March 16, 2012
Creator: Blanchfield, Luisa
Object Type: Report
System: The UNT Digital Library
Military Training: Observations on the Army's Implementation of a Metric for Measuring Ground Force Training (open access)

Military Training: Observations on the Army's Implementation of a Metric for Measuring Ground Force Training

Correspondence issued by the Government Accountability Office with an abstract that begins "The full spectrum training mile metric is similar in some ways to the tank mile metric and dissimilar in other ways. Both metrics measure training activity of nondeployed units associated with recommended training events based on the Army's approved training strategy. Specifically, they both calculate the average number of miles a unit is expected to drive its vehicles on an annual basis for training that occurs during the reset and train/ready stages of the Army’s Force Generation (ARFORGEN) cycle."
Date: March 16, 2012
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
Federal Antitrust Policy: Stakeholders' Perspectives Differed on the Adequacy of Guidance for Collaboration among Health Care Providers (open access)

Federal Antitrust Policy: Stakeholders' Perspectives Differed on the Adequacy of Guidance for Collaboration among Health Care Providers

Correspondence issued by the Government Accountability Office with an abstract that begins "Stakeholders—health care industry groups and experts in antitrust law—had different perspectives on the adequacy of three key aspects of antitrust guidance for health care provider collaboration. First, stakeholders’ perspectives differed on the sufficiency of guidance on clinical integration, which involves integrating clinical activities across providers in a collaborative arrangement. Clinical integration is one way for a collaborative arrangement to satisfy the requirement that the arrangement demonstrate the potential to yield significant benefits, such as reduced costs or improved quality, in order to be able to jointly negotiate prices. Five of the six experts and one of the four industry groups said that agency guidance was sufficient, while one expert and two industry groups asserted that agency guidance on clinical integration was inadequate. Second, stakeholders’ perspectives differed as to whether the agencies should permit greater use of exclusive collaborative arrangements, which restrict the ability of providers within a collaborative arrangement to contract with other arrangements or health plans. The use of exclusive arrangements has the potential to improve or reduce competition, depending on the circumstances. Four of the experts said that the agencies’ guidance on exclusive arrangements was reasonable, …
Date: March 16, 2012
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
Information Security: IRS Needs to Further Enhance Internal Control over Financial Reporting and Taxpayer Data (open access)

Information Security: IRS Needs to Further Enhance Internal Control over Financial Reporting and Taxpayer Data

A letter report issued by the Government Accountability Office with an abstract that begins "IRS implemented numerous controls and procedures intended to protect key financial and tax-processing systems; nevertheless, control weaknesses in these systems continue to jeopardize the confidentiality, integrity, and availability of the financial and sensitive taxpayer information processed by IRS’s systems. Specifically, the agency continues to face challenges in controlling access to its information resources. For example, it had not always (1) implemented controls for identifying and authenticating users, such as requiring users to set new passwords after a prescribed period of time; (2) appropriately restricted access to certain servers; (3) ensured that sensitive data were encrypted when transmitted; (4) audited and monitored systems to ensure that unauthorized activities would be detected; or (5) ensured management validation of access to restricted areas. In addition, unpatched and outdated software exposed IRS to known vulnerabilities, and the agency had not enforced backup procedures for a key system."
Date: March 16, 2012
Creator: United States. Government Accountability Office.
Object Type: Report
System: The UNT Digital Library
The Bayh-Dole Act: Selected Issues in Patent Policy and the Commercialization of Technology (open access)

The Bayh-Dole Act: Selected Issues in Patent Policy and the Commercialization of Technology

This report is about the Baby-Dole Act: Selected issues in Patent Policy and the Commercialization of Technology.
Date: March 16, 2012
Creator: Schacht, Wendy H.
Object Type: Report
System: The UNT Digital Library
Applying Alpha-Channeling to Mirror Machines (open access)

Applying Alpha-Channeling to Mirror Machines

The α-channeling effect entails the use of radio-frequency waves to expel and cool high-energetic α- particles born in a fusion reactor; the device reactivity can then be increased even further by redirecting the extracted energy to fuel ions. Originally proposed for tokamaks, this technique has also been shown to benefi t open-ended fusion devices. Here, the fundamental theory and practical aspects of α- channeling in mirror machines are reviewed, including the influence of magnetic field inhomogeneity and the effect of a finite wave region on the α-channeling mechanism. For practical implementation of the α -channeling effect in mirror geometry, suitable contained weakly-damped modes are identifi ed. In addition, the parameter space of candidate waves for implementing the α -channeling effect can be signi cantly extended through the introduction of a suitable minority ion species that has the catalytic effect of moderating the transfer of power from the α-channeling wave to the fuel ions.
Date: March 16, 2012
Creator: Zhmoginov, A. I. & Fisch, N. J.
Object Type: Report
System: The UNT Digital Library
A Non-Invasive Energy/Angle Diagnostic for Charged Particle Beams (open access)

A Non-Invasive Energy/Angle Diagnostic for Charged Particle Beams

A diagnostic for charged particle beams based on Compton scattering is presented. The particular case of an electron beam is treated in detail relativistically.
Date: March 16, 2012
Creator: Christensen, C. R.
Object Type: Article
System: The UNT Digital Library
Final Technical Report (open access)

Final Technical Report

Design, validate at prototype level, and then demonstrate a full size, 800 MWht Thermal Energy Storage (TES) system based on Phase Changing Material (PCM) TES modules with round trip efficiency in excess of 93%. The PCM TES module would be the building block of a TES system which can be deployed at costs inline with the DOE benchmark of 2020. The development of a reliable, unsophisticated, modular, and scalable TES system designed to be massmanufactured utilizing advanced automated fabrication and assembly processes and field installed in the most cost-effective configuration could facilitate the attainment of a Levelized Cost of Energy (LCOE) of $.07/kWh by 2015. It was believed that the DOE targets can be attained by finding the best combinationTES module size, its optimal integration in the power cycle, and readily available PCM. Work under this project ultimately focused on the development and performance evaluation of a 100kWht prototype heat exchanger. The design utilizes a commercially available heat exchanger product to create a unique latent heat PCM storage module. The novel ideal associated with this technology is the inclusion of an agitation mechanism that is activated during the discharge process to improve heat transfer. The prototype unit did not meet …
Date: March 16, 2012
Creator: Newmarker, Marc & Campbell, Mark
Object Type: Report
System: The UNT Digital Library
MAGE: A Method for Estimating the Maximum Possible Chemical Energy Content of UCG Product Gas for a Multistrata Coal Zone (open access)

MAGE: A Method for Estimating the Maximum Possible Chemical Energy Content of UCG Product Gas for a Multistrata Coal Zone

None
Date: March 16, 2012
Creator: Reid, C.; Shafirovich, E. & Camp, D. W.
Object Type: Report
System: The UNT Digital Library
Radiochronological Age of a Uranium Metal Sample from an Abandoned Facility (open access)

Radiochronological Age of a Uranium Metal Sample from an Abandoned Facility

A piece of scrap uranium metal bar buried in the dirt floor of an old, abandoned metal rolling mill was analyzed using multi-collector inductively coupled plasma mass spectroscopy (MC-ICP-MS). The mill rolled uranium rods in the 1940s and 1950s. Samples of the contaminated dirt in which the bar was buried were also analyzed. The isotopic composition of uranium in the bar and dirt samples were both the same as natural uranium, though a few samples of dirt also contained recycled uranium; likely a result of contamination with other material rolled at the mill. The time elapsed since the uranium metal bar was last purified can be determined by the in-growth of the isotope {sup 230}Th from the decay of {sup 234}U, assuming that only uranium isotopes were present in the bar after purification. The age of the metal bar was determined to be 61 years at the time of this analysis and corresponds to a purification date of July 1950 {+-} 1.5 years.
Date: March 16, 2012
Creator: Meyers, L. A.; Williams, R. W.; Glover, S. E.; LaMont, S. P.; Stalcup, A. M. & Spitz, H. B.
Object Type: Article
System: The UNT Digital Library
Soft ionization of thermally evaporated hypergolic ionic liquid aerosols (open access)

Soft ionization of thermally evaporated hypergolic ionic liquid aerosols

Isolated ion pairs of a conventional ionic liquid, 1-Ethyl-3-Methyl-Imidazolium Bis(trifluoromethylsulfonyl)imide ([Emim+][Tf2N?]), and a reactive hypergolic ionic liquid, 1- Butyl-3-Methyl-Imidazolium Dicyanamide ([Bmim+][Dca?]), are generated by vaporizing ionic liquid submicron aerosol particles for the first time; the vaporized species are investigated by dissociative ionization with tunable vacuum ultraviolet (VUV) light, exhibiting clear intact cations, Emim+ and Bmim+, presumably originating from intact ion pairs. Mass spectra of ion pair vapor from an effusive source of the hypergolic ionic liquid show substantial reactive decomposition due to the internal energy of the molecules emanating from the source. Photoionization efficiency curves in the near threshold ionization region of isolated ion pairs of [Emim+][Tf2N?] ionic liquid vapor are compared for an aerosol source and an effusive source, revealing changes in the appearance energy due to the amount of internal energy in the ion pairs. The aerosol source has a shift to higher threshold energy (~;;0.3 eV), attributed to reduced internal energy of the isolated ion pairs. The method of ionic liquid submicron aerosol particle vaporization, for reactive ionic liquids such as hypergolic species, is a convenient, thermally ?cooler? source of isolated intact ion pairs in the gas phase compared to effusive sources.
Date: March 16, 2012
Creator: Koh, Christine J.; Liu, Chen-Lin; Harmon, Christopher W.; Strasser, Daniel; Golan, Amir; Kostko, Oleg et al.
Object Type: Article
System: The UNT Digital Library
Conditioning analysis of incomplete Cholesky factorizations with orthogonal dropping (open access)

Conditioning analysis of incomplete Cholesky factorizations with orthogonal dropping

The analysis of preconditioners based on incomplete Cholesky factorization in which the neglected (dropped) components are orthogonal to the approximations being kept is presented. General estimate for the condition number of the preconditioned system is given which only depends on the accuracy of individual approximations. The estimate is further improved if, for instance, only the newly computed rows of the factor are modified during each approximation step. In this latter case it is further shown to be sharp. The analysis is illustrated with some existing factorizations in the context of discretized elliptic partial differential equations.
Date: March 16, 2012
Creator: Napov, Artem
Object Type: Article
System: The UNT Digital Library
Physics Opportunities of a Fixed-Target Experiment using the LHC Beams (open access)

Physics Opportunities of a Fixed-Target Experiment using the LHC Beams

We outline the many physics opportunities offered by a multi-purpose fixed-target experiment using the proton and lead-ion beams of the LHC extracted by a bent crystal. In a proton run with the LHC 7-TeV beam, one can analyze pp, pd and pA collisions at center-of-mass energy {radical}s{sub NN} {approx_equal} 115 GeV and even higher using the Fermi motion of the nucleons in a nuclear target. In a lead run with a 2.76 TeV-per-nucleon beam, {radical}s{sub NN} is as high as 72 GeV. Bent crystals can be used to extract about 5 x 10{sup 8} protons/sec; the integrated luminosity over a year reaches 0.5 fb{sup -1} on a typical 1 cm-long target without nuclear species limitation. We emphasize that such an extraction mode does not alter the performance of the collider experiments at the LHC. By instrumenting the target-rapidity region, gluon and heavy-quark distributions of the proton and the neutron can be accessed at large x and even at x larger than unity in the nuclear case. Single diffractive physics and, for the first time, the large negative-xF domain can be accessed. The nuclear target-species versatility provides a unique opportunity to study nuclear matter versus the features of the hot and …
Date: March 16, 2012
Creator: Brodsky, S.J.; /SLAC; Fleuret, F.; Polytechnique, /Ecole; Hadjidakis, C.; Lansberg, J.P. et al.
Object Type: Article
System: The UNT Digital Library
Parameterization and analysis of 3-D radiative transfer in clouds (open access)

Parameterization and analysis of 3-D radiative transfer in clouds

This report provides a summary of major accomplishments from the project. The project examines the impact of radiative interactions between neighboring atmospheric columns, for example clouds scattering extra sunlight toward nearby clear areas. While most current cloud models don’t consider these interactions and instead treat sunlight in each atmospheric column separately, the resulting uncertainties have remained unknown. This project has provided the first estimates on the way average solar heating is affected by interactions between nearby columns. These estimates have been obtained by combining several years of cloud observations at three DOE Atmospheric Radiation Measurement (ARM) Climate Research Facility sites (in Alaska, Oklahoma, and Papua New Guinea) with simulations of solar radiation around the observed clouds. The importance of radiative interactions between atmospheric columns was evaluated by contrasting simulations that included the interactions with those that did not. This study provides lower-bound estimates for radiative interactions: It cannot consider interactions in cross-wind direction, because it uses two-dimensional vertical cross-sections through clouds that were observed by instruments looking straight up as clouds drifted aloft. Data from new DOE scanning radars will allow future radiative studies to consider the full three-dimensional nature of radiative processes. The results reveal that two-dimensional radiative interactions …
Date: March 16, 2012
Creator: Varnai, Tamas
Object Type: Report
System: The UNT Digital Library
Performance Analysis of Occurrences January 1, 2011-December 31, 2011 (open access)

Performance Analysis of Occurrences January 1, 2011-December 31, 2011

This report documents the analysis of the occurrences during the period January 1, 2011 through December 31, 2011. The report compares LLNL occurrences by reporting criteria and significance category to see if LLNL is reporting occurrences along similar percentages as other DOE sites. The three-year trends are analyzed. It does not include the analysis of the causes or the lessons learned from the occurrences, as they are analyzed separately. The number and types of occurrences that LLNL reports to DOE varies over time. This variation can be attributed to normally occurring changes in frequency; DOE's or LLNL's heightened interest in a particular subject area; changes in LLNL processes; or emerging problems. Since all of the DOE sites use the same reporting criteria, it is helpful to understand if LLNL is consistent with or diverging from reporting at other sites. This section compares the normalized number of occurrences reported by LLNL and other DOE sites. In order to compare LLNL occurrence reports to occurrence reports from other DOE sites, we normalized (or standardized) the data from the sites. DOE sites vary widely in their budgets, populations, and scope of work and these variations may affect reporting frequency. In addition, reports are …
Date: March 16, 2012
Creator: Ludwig, M
Object Type: Report
System: The UNT Digital Library