A letter report issued by the Government Accountability Office with an abstract that begins "Foreign students and scholars have made substantial contributions to U.S. research efforts and technology development. However, according to a federal government intelligence assessment, foreign access to sensitive U.S. technology has imposed a significant but unquantifiable cost to the United States. Given this risk, GAO was asked to (1) describe the nature of the research at universities and identify steps they take to comply with export controls and (2) assess efforts by the Departments of Commerce and State--the key export control agencies--to determine the risk of export violations in university research. GAO reviewed Commerce and State export control programs and met with officials from 13 universities, selected based on their foreign student populations, applications for export licenses, and federal grants and contracts."

A letter report issued by the Government Accountability Office with an abstract that begins "The U.S. government controls exports of defense-related goods and services by companies and the export of information associated with their design, production, and use, to ensure they meet U.S. interests. Globalization and communication technologies facilitate exports of controlled information providing benefits to U.S. companies and increase interactions between U.S. and foreign companies, making it challenging to protect such exports. GAO assessed (1) how the government's export control processes apply to the protection of export-controlled information, and (2) steps the government has taken to identify and help mitigate the risks in protecting export-controlled information. To do this, GAO analyzed agency regulations and practices and interviewed officials from 46 companies with a wide range of exporting experiences."

Testimony issued by the Government Accountability Office with an abstract that begins "Federal assistance helps students and families pay for postsecondary education through several policy tools--grant and loan programs authorized by title IV of the Higher Education Act of 1965 and more recently enacted tax preferences. This testimony summarizes and updates our 2005 report on (1) how title IV assistance compares to that provided through the tax code (2) the extent to which tax filers effectively use postsecondary tax preferences, and (3) what is known about the effectiveness of federal assistance. This hearing is an opportunity to consider whether any changes should be made in the government's overall strategy for providing such assistance or to the individual programs and tax provisions that provide the assistance. This statement is based on previously published GAO work and reviews of relevant literature."

Testimony issued by the Government Accountability Office with an abstract that begins "The Energy Employees Occupational Illness Compensation Program Act (EEOICPA) was enacted in 2000 to compensate Department of Energy employees and contractors who developed work-related illnesses such as cancer and lung disease. Energy administered Subtitle D of the program. Subtitle B of the program is administered by the Department of Labor, which uses estimates of workers' likely radiation exposure to make compensation decisions. The estimates, known as dose reconstructions, are performed by the National Institute for Occupational Safety and Health (NIOSH) under the Department of Health and Human Services (HHS). The act specified that the President establish an Advisory Board on Radiation and Worker Health to review the scientific validity of NIOSH's dose reconstructions and recommend whether workers should be part of special exposure cohorts whose claimants can be compensated without dose reconstructions. A recent memorandum from the Office of Management and Budget (OMB) to Labor has raised concern about potential efforts to unduly contain the cost of benefits paid to claimants. This testimony presents GAO's past work on program performance and the work of the advisory board. It also highlights GAO's ongoing work relevant to issues raised by …

Water that forms the Florida Current, and eventually the Gulf Stream, coalesces in the Caribbean from both subtropical and equatorial sources. The equatorial sources are made up of, in part, South Atlantic water moving northward and compensating for southward flow at depth related to meridional overturning circulation. Subtropical surface water contains relatively high amounts of radiocarbon ({sup 14}C), whereas equatorial waters are influenced by the upwelling of low {sup 14}C water and have relatively low concentrations of {sup 14}C. We use a 250-year record of {Delta}{sup 14}C in a coral from southwestern Puerto Rico along with previously published coral {Delta}{sup 14}C records as tracers of subtropical and equatorial water mixing in the northern Caribbean. Data generated in this study and from other studies indicate that the influence of either of the two water masses can change considerably on interannual to interdecadal time scales. Variability due to ocean dynamics in this region is large relative to variability caused by atmospheric {sup 14}C changes, thus masking the Suess effect at this site. A mixing model produced using coral {Delta}{sup 14}C illustrates the time varying proportion of equatorial versus subtropical waters in the northern Caribbean between 1963 and 1983. The results of the …

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This report is about the peace stabilization duties handed over to a European Union force(EUFOR).

In theories with multiple vacua, reheating to a temperature greater than the height of a barrier can stimulate transitions from a desirable metastable vacuum to a lower energy state. We discuss the constraints this places on various theories and demonstrate that in a class of supersymmetric models this transition does not occur even for arbitrarily high reheating temperature.

This report analyzes Division C of the Department of Defense Emergency Supplemental Appropriations, P.L. 109-148, which was signed into law on December 30, 2005, and which limits liability with respect to pandemic flu and other public health countermeasures.

On July 7th 2006, the Purple Level-1 Review Committee convened and was presented with evidence of the completion of Level-2 Milestone 461 (Deploy First Phase of I/O Infrastructure for Purple) which was performed in direct support of the Purple Level-1 milestone. This evidence included a short presentation and the formal documentation of milestone No.461 (see UCRL-TR-217288). Following the meeting, the Committee asked for the following additional evidence: (1) Set a speed measurement/goal/target assuming a number of files that the user needs to get into the archives. Then redo the benchmark using whatever tool(s) the labs prefer (HTAR, for example). Document how long the process takes. (2) Develop a test to read files back to confirm that what the user gets out of the archive is what the user put into the archive. This evidence has been collected and is presented here.

Laboratory studies demonstrate that fractional crystallization is a viable process for separating Hanford medium-curie waste into high-curie and low-curie fractions. The product salt from the crystallization process qualifies as low-curie feed to a supplemental treatment system (e.g., bulk vitrification). The high-curie raffinate is returned to the double-shell tank system, eventually to be sent as feed to the Waste Treatment and Immobilization Plant. Process flowsheet tests were designed with the aid of thermodynamic chemical modeling. Laboratory equipment design and test procedures were developed using simulated tank waste samples. Proof-of-concept flowsheet tests were carried out in a shielded hot cell using actual tank waste samples. Data from both simulated waste tests and actual tank waste tests demonstrate that the process exceeded all of the separation criteria established for the program.

Silicon carbide (SiC) fibers made by chemical vapor deposition (CVD) are of interest for organic, ceramic, and metal matrix composite materials due their high strength, high elastic modulus, and retention of mechanical properties at elevated processing and operating temperatures. The properties of SCS-6{trademark} silicon carbide fibers, which are made by a commercial process and consist largely of stoichiometric SiC, were compared with an experimental carbon-rich CVD SiC fiber, to which excess carbon was added during the CVD process. The concentration, homogeneity, and distribution of carbon were measured using energy dispersive x-ray spectroscopy (SEM/EDS). The effect of excess carbon on the tensile strength, elastic modulus, and the crystallographic and microstructural properties of CVD silicon carbide fibers was investigated using tensile testing, x-ray diffraction, scanning electron microscopy (SEM), and transmission electron microscopy (TEM).

This report summarizes the results of the avian surveys conducted at Osan Air Base (AB). This ongoing survey is conducted to comply with requirements of the Environmental Governing Standards (EGS) for the Republic of Korea, the Integrated Natural Resources Management Plan (INRMP) for Osan AB, and the 51st Fighter Wing's Bird Aircraft Strike Hazard (BASH) Plan. One hundred ten bird species representing 35 families were identified and recorded. Seven species are designated as Natural Monuments, and their protection is accorded by the Korean Ministry of Culture and Tourism. Three species appear on the Korean Association for Conservation of Nature's (KACN's) list of Reserved Wild Species and are protected by the Korean Ministry of Environment. Combined, ten different species are Republic of Korea (ROK)-protected. The primary objective of the avian survey at Osan AB was to determine what species of birds are present on the airfield and their respective habitat requirements during the critical seasons of the year. This requirement is specified in Annex J.14.c of the 51st Fighter BASH Plan 91-212 (51 FW OPLAN 91-212). The second objective was to initiate surveys to determine what bird species are present on Osan AB throughout the year and from the survey results, …

We present a set of UBV RIzJHKs photometry for 745 J +H band selected objects in a 22:5{prime} x 29:2{prime} region centered on the core of the Coma cluster. This includes 516 galaxies and is at least 80% complete to H = 16, with a spectroscopically complete sample of 111 cluster members (nearly all with morphological classification) for H < 14:5. For each object we present total Kron (1980) magnitudes and aperture photometry. As an example, we use these data to derive color-magnitude relations for Coma early-type galaxies, measure the intrinsic scatter of these relations and its dependence on galaxy mass, and address the issue of color gradients. We find that the color gradients are mild and that the intrinsic scatter about the color-magnitude relation is small ({approx} 0:05 mag in U-V and less than {approx} 0:03 in B-R, V-I, or J-K). There is no evidence that the intrinsic scatter varies with galaxy luminosity, suggesting that the cluster red sequence is established at early epochs over a range of {approx} 100 in stellar mass.

Testimony issued by the Government Accountability Office with an abstract that begins "Fiscal year 2005 marked the second year that executive agencies were required to report improper payment information under the Improper Payments Information Act of 2002 (IPIA). The ultimate goal is to minimize such payments because, as a practical matter, they cannot be entirely eliminated. GAO's testimony is primarily based on its recently issued report, GAO-07-92, which included a review of improper payment information reported by 35 agencies in their fiscal year 2005 performance and accountability or annual reports. This statement focuses on the progress agencies have made in their improper payment reporting, the challenges that remain, and the total amount of improper payments recouped through recovery auditing."

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Teleoperation has found much application in today's society. While its benefits make it advantageous in many situations, teleoperation also introduces new challenges. In this paper, we present techniques to improve teleoperation performance by making better use of the human's inherent skills.

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