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514 Matching Results
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A 4 to 0.1 nm FEL Based on the SLAC Linac
The author show that using existing electron gun technology and a high energy linac like the one at SLAC, it is possible to build a Free Electron Laser operating around the 4 nm water window. A modest improvement in the gun performance would further allow to extend the FEL to the 0.1 nm region. Such a system would produce radiation with a brightness many order of magnitude above that of any synchrotron radiation source, existing or under construction, with laser power in the multigawatt region and subpicosecond pulse length.
Date:
June 5, 2012
Creator:
Pellegrini, C.
Object Type:
Article
System:
The UNT Digital Library
10 CFR 850 Implementation of Requirements
10 CFR 850 defines a contractor as any entity, including affiliated entities, such as a parent corporation, under contract with DOE, including a subcontractor at any tier, with responsibility for performing work at a DOE site in furtherance of a DOE mission. The Chronic Beryllium Disease Prevention Program (CBDPP) applies to beryllium-related activities that are performed at the Lawrence Livermore National Laboratory (LLNL). The CBDPP or Beryllium Safety Program is integrated into the LLNL Worker Safety and Health Program and, thus, implementation documents and responsibilities are integrated in various documents and organizational structures. Program development and management of the CBDPP is delegated to the Environment, Safety and Health (ES&H) Directorate, Worker Safety and Health Functional Area. As per 10 CFR 850, Lawrence Livermore National Security, LLC (LLNS) periodically submits a CBDPP to the National Nuclear Security Administration/Livermore Site Office (NNSA/LSO). The requirements of this plan are communicated to LLNS workers through ES&H Manual Document 14.4, 'Working Safely with Beryllium.' 10 CFR 850 is implemented by the LLNL CBDPP, which integrates the safety and health standards required by the regulation, components of the LLNL Integrated Safety Management System (ISMS), and incorporates other components of the LLNL ES&H Program. As described in …
Date:
January 5, 2012
Creator:
Lee, S.
Object Type:
Report
System:
The UNT Digital Library
2012-2013 Presidential Election Period: National Security Considerations and Options
This report discusses historical national security-related presidential transition activities, provides a representative sampling of national security issues a new Administration may encounter, and offers considerations and options relevant to each of the five phases of the presidential election period. Each phase has distinct challenges and opportunities for the incoming Administration, the outgoing Administration, and Congress. This report is intended to provide a framework for national security considerations during the current election period and will be updated to reflect the election outcome.
Date:
October 5, 2012
Creator:
Rollins, John
Object Type:
Report
System:
The UNT Digital Library
Ab-initio calculation of optical properties of wurtzitic In_x Ga_1x N and In_x Al_1x N alloys including excitonic effects
None
Date:
September 5, 2012
Creator:
de Carvalho, L C; Schleife, A; Furthmueller, J & Bechstedt, F
Object Type:
Article
System:
The UNT Digital Library
Ability to Repay, Risk-Retention Standards, and Mortgage Credit Access
This report examines the developments associated with the implementation of mortgage lending reforms. The report begins with a summary of proposed ability to repay and risk-retention standards. Next, the report describes risky underwriting and financing practices that occurred prior to the mortgage crisis, followed by a discussion of how access to mortgage credit might be affected.
Date:
June 5, 2012
Creator:
Getter, Darryl E.
Object Type:
Report
System:
The UNT Digital Library
ADAPTING A CERTIFIED SHIPPING PACKAGE FOR STORAGE APPLICATIONS
For years shipping packages have been used to store radioactive materials at many DOE sites. Recently, the K-Area Material Storage facility at the Savannah River Site became interested in and approved the Model 9977 Shipping Package for use as a storage package. In order to allow the 9977 to be stored in the facility, there were a number of evaluations and modifications that were required. There were additional suggested modifications to improve the performance of the package as a storage container that were discussed but not incorporated in the design that is currently in use. This paper will discuss the design being utilized for shipping and storage, suggested modifications that have improved the storage configuration but were not used, as well as modifications that have merit for future adaptations for both the 9977 and for other shipping packages to be used as storage packages.
Date:
June 5, 2012
Creator:
Loftin, B. & Abramczyk, G.
Object Type:
Article
System:
The UNT Digital Library
Advances in X-Band TW Accelerator Structures Operating in the 100 MV/M Regime
A CERN-SLAC-KEK collaboration on high gradient X-band accelerator structure development for CLIC has been ongoing for three years. The major outcome has been the demonstration of stable 100 MV/m gradient operation of a number of CLIC prototype structures. These structures were fabricated using the technology developed from 1994 to 2004 for the GLC/NLC linear collider initiative. One of the goals has been to refine the essential parameters and fabrication procedures needed to realize such a high gradient routinely. Another goal has been to develop structures with stronger dipole mode damping than those for GLC/NLC. The latter requires that the surface temperature rise during the pulse be higher, which may increase the breakdown rate. One structure with heavy damping has been RF processed and another is nearly finished. The breakdown rates of these structures were found to be higher by two orders of magnitude compared to those with equivalent acceleration mode parameters but without the damping features. This paper presents these results together with some of the earlier results from non-damped structures.
Date:
July 5, 2012
Creator:
Higo, Toshiyasu; Higashi, Yasuo; Matsumoto, Shuji; Yokoyama, Kazue; Adolphsen, Chris; Dolgashev, Valery et al.
Object Type:
Article
System:
The UNT Digital Library
Afghanistan: Politics, Elections, and Government Performance
This report discusses the current political state of Afghanistan, as well as the Afghan government. This report also discusses Afghanistan's relationship with the United States, particularly U.S. efforts to urge President Hamid Karzai, to address corruption within the Afghan government. The report also includes discussion of election fraud and corruption in Afghanistan.
Date:
June 5, 2012
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: Politics, Elections, and Government Performance
This report discusses the current political state of Afghanistan, as well as the Afghan government. This report also discusses Afghanistan's relationship with the United States, particularly U.S. efforts to urge President Hamid Karzai, to address corruption within the Afghan government. The report also includes discussion of election fraud and corruption in Afghanistan.
Date:
June 5, 2012
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: Politics, Elections, and Government Performance
This report discusses the current political state of Afghanistan, as well as the Afghan government. This report also discusses Afghanistan's relationship with the United States, particularly U.S. efforts to urge President Hamid Karzai, to address corruption within the Afghan government. The report also includes discussion of election fraud and corruption in Afghanistan.
Date:
June 5, 2012
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: Politics, Elections, and Government Performance
This report discusses the current political state of Afghanistan, as well as the Afghan government. This report also discusses Afghanistan's relationship with the United States, particularly U.S. efforts to urge President Hamid Karzai, to address corruption within the Afghan government. The report also includes discussion of election fraud and corruption in Afghanistan.
Date:
June 5, 2012
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
Air Quality: EPA's 2012 Proposed Changes to the Particulate Matter (PM) Standard
This report summarizes the Environmental Protection Agency's (EPA's) June 2012 proposed changes to the particulate matter (PM) National Ambient Air Quality Standard (NAAQS) and includes comparisons with previous (1997) and current (2006) promulgated and proposed standards. Key actions leading up to the June 2012 proposal, and potential issues and concerns associated with the proposal to strengthen the PM2.5 annual standard, are also highlighted.
Date:
September 5, 2012
Creator:
Esworthy, Robert
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 136, No. 33, Ed. 1 Thursday, January 5, 2012
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
January 5, 2012
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 136, No. 46, Ed. 1 Thursday, April 5, 2012
Weekly newspaper from Albany, Texas that includes local, state and national news along with advertising.
Date:
April 5, 2012
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 137, No. 7, Ed. 1 Thursday, July 5, 2012
Weekly newspaper from Albany, Texas that includes local, state and national news along with advertising.
Date:
July 5, 2012
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
The Allen American (Allen, Tex.), Vol. 42, No. 19, Ed. 1 Thursday, January 5, 2012
Weekly newspaper from Allen, Texas that includes local, state, and national news along with advertising.
Date:
January 5, 2012
Creator:
Mann, Rick
Object Type:
Newspaper
System:
The Portal to Texas History
The Altus Times (Altus, Okla.), Vol. 112, No. 193, Ed. 1 Thursday, January 5, 2012
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 5, 2012
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 215, Ed. 1 Sunday, February 5, 2012
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 5, 2012
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 257, Ed. 1 Thursday, April 5, 2012
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 5, 2012
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 113, No. 25, Ed. 1 Thursday, July 5, 2012
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 5, 2012
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 113, No. 47, Ed. 1 Sunday, August 5, 2012
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 5, 2012
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 113, No. 69, Ed. 1 Wednesday, September 5, 2012
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 5, 2012
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 113, No. 91, Ed. 1 Friday, October 5, 2012
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 5, 2012
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 113, No. 135, Ed. 1 Wednesday, December 5, 2012
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 5, 2012
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History