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481 Matching Results
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Rio Grande Herald (Rio Grande City, Tex.), Vol. 94, No. 26, Ed. 1 Thursday, July 5, 2007
Weekly newspaper from Rio Grande City, Texas that includes local, state and national news along with extensive advertising.
Date:
July 5, 2007
Creator:
Roberts, Kenneth
Object Type:
Newspaper
System:
The Portal to Texas History
The Sachse News (Sachse, Tex.), Vol. 3, No. 23, Ed. 1 Thursday, July 5, 2007
Weekly newspaper from Sachse, Texas that includes local, state and national news along with advertising.
Date:
July 5, 2007
Creator:
Fisher, Donnita Nesbit
Object Type:
Newspaper
System:
The Portal to Texas History
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 92, No. 203, Ed. 1 Thursday, July 5, 2007
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 5, 2007
Creator:
Mattox, Jami
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Scene: North Texas Daily (Denton, Tex.), Vol. 91, No. 110, Ed. 1 Thursday, July 5, 2007
Weekly magazine edition of the daily student newspaper from the University of North Texas in Denton, Texas that includes local, state and campus news along with advertising.
Date:
July 5, 2007
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Single molecule study of a processivity clamp sliding on DNA
Using solution based single molecule spectroscopy, we study the motion of the polIII {beta}-subunit DNA sliding clamp ('{beta}-clamp') on DNA. Present in all cellular (and some viral) forms of life, DNA sliding clamps attach to polymerases and allow rapid, processive replication of DNA. In the absence of other proteins, the DNA sliding clamps are thought to 'freely slide' along the DNA; however, the abundance of positively charged residues along the inner surface may create favorable electrostatic contact with the highly negatively charged DNA. We have performed single-molecule measurements on a fluorescently labeled {beta}-clamp loaded onto freely diffusing plasmids annealed with fluorescently labeled primers of up to 90 bases. We find that the diffusion constant for 1D diffusion of the {beta}-clamp on DNA satisfies D {le} 10{sup -14} cm{sup 2}/s, much slower than the frictionless limit of D = 10{sup -10} cm{sup 2}/s. We find that the {beta} clamp remains at the 3-foot end in the presence of E. coli single-stranded binding protein (SSB), which would allow for a sliding clamp to wait for binding of the DNA polymerase. Replacement of SSB with Human RP-A eliminates this interaction; free movement of sliding clamp and poor binding of clamp loader to the …
Date:
July 5, 2007
Creator:
Laurence, T A; Kwon, Y; Johnson, A; Hollars, C; O?Donnell, M; Camarero, J A et al.
Object Type:
Article
System:
The UNT Digital Library
The Suburbia News (Seagoville, Tex.), Vol. 35, No. 32, Ed. 1 Thursday, July 5, 2007
Weekly newspaper from Seagoville, Texas that includes local, state and national news along with advertising.
Date:
July 5, 2007
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Taxation of Hedge Fund and Private Equity Managers
This report provides background on hedge funds and private equity and summarizes the tax issues.
Date:
July 5, 2007
Creator:
Jickling, Mark & Marples, Donald J.
Object Type:
Report
System:
The UNT Digital Library
Texas Jewish Post (Fort Worth, Tex.), Vol. 61, No. 27, Ed. 1 Thursday, July 5, 2007
Weekly Jewish newspaper from Fort Worth, Texas that includes local, state and national news along with extensive advertising.
Date:
July 5, 2007
Creator:
Wisch, Rene
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 25, No. 27, Ed. 1 Thursday, July 5, 2007
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
July 5, 2007
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Today Cedar Hill (DeSoto, Tex.), Vol. 42, No. 12, Ed. 1 Thursday, July 5, 2007
Weekly newspaper from DeSoto, Texas that includes local, state, and national news along with advertising.
Date:
July 5, 2007
Creator:
Gooch, Robin
Object Type:
Newspaper
System:
The Portal to Texas History
TOTAL MEASUREMENT UNCERTAINTY IN HOLDUP MEASUREMENTS AT THE PLUTONIUM FINISHING PLANT (PFP)
An approach to determine the total measurement uncertainty (TMU) associated with Generalized Geometry Holdup (GGH) [1,2,3] measurements was developed and implemented in 2004 and 2005 [4]. This paper describes a condensed version of the TMU calculational model, including recent developments. Recent modifications to the TMU calculation model include a change in the attenuation uncertainty, clarifying the definition of the forward background uncertainty, reducing conservatism in the random uncertainty by selecting either a propagation of counting statistics or the standard deviation of the mean, and considering uncertainty in the width and height as a part of the self attenuation uncertainty. In addition, a detection limit is calculated for point sources using equations derived from summary equations contained in Chapter 20 of MARLAP [5]. The Defense Nuclear Facilities Safety Board (DNFSB) Recommendation 2007-1 to the Secretary of Energy identified a lack of requirements and a lack of standardization for performing measurements across the U.S. Department of Energy (DOE) complex. The DNFSB also recommended that guidance be developed for a consistent application of uncertainty values. As such, the recent modifications to the TMU calculational model described in this paper have not yet been implemented. The Plutonium Finishing Plant (PFP) is continuing to perform …
Date:
July 5, 2007
Creator:
Keele, B. D.
Object Type:
Article
System:
The UNT Digital Library
The Tulia Herald (Tulia, Tex.), Vol. 99, No. 27, Ed. 1 Thursday, July 5, 2007
Weekly newspaper from Tulia, Texas that includes local, state, and national news along with extensive advertising.
Date:
July 5, 2007
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The United States Flag: Federal Law Relating to Display and Associated Questions
None
Date:
July 5, 2007
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
The Wynnewood Gazette (Wynnewood, Okla.), Vol. 105, No. 14, Ed. 1 Thursday, July 5, 2007
Weekly newspaper from Wynnewood, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 5, 2007
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
A 30 ps Timing Resolution for Single Photons with Multi-pixel Burle MCP-PMT
We have achieved {approx}30 psec single-photoelectron and {approx}12ps for multi-photoelectron timing resolution with a new 64 pixel Burle MCP-PMT with 10 micron microchannel holes. We have also demonstrated that this detector works in a magnetic field of 15kG, and achieved a single-photoelectron timing resolution of better than 60 psec. The study is relevant for a new focusing DIRC RICH detector for particle identification at future Colliders such as the super B-factory or ILC, and for future TOF techniques. This study shows that a highly pixilated MCP-PMT can deliver excellent timing resolution.
Date:
July 5, 2006
Creator:
Va'vra, J.; Benitez, J.; Coleman, J.; Leith, D. W. G. S.; Mazaheri, G.; Ratcliff, B. et al.
Object Type:
Article
System:
The UNT Digital Library
All One-loop Maximally Helicity Violating Gluonic Amplitudes in QCD
We use on-shell recursion relations to compute analytically the one-loop corrections to maximally-helicity-violating n-gluon amplitudes in QCD. The cut-containing parts have been computed previously; our work supplies the remaining rational parts for these amplitudes, which contain two gluons of negative helicity and the rest positive, in an arbitrary color ordering. We also present formulae specific to the six-gluon cases, with helicities (-+-+++) and (-++-++), as well as numerical results for six, seven, and eight gluons. Our construction of the n-gluon amplitudes illustrates the relatively modest growth in complexity of the on-shell-recursive calculation as the number of external legs increases. These amplitudes add to the growing body of one-loop amplitudes known for all n, which are useful for studies of general properties of amplitudes, including their twistor-space structure.
Date:
July 5, 2006
Creator:
Berger, Carola F.; Bern, Zvi; Dixon, Lance J.; Forde, Darren & Kosower, David A.
Object Type:
Report
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 108, No. 82, Ed. 1 Wednesday, July 5, 2006
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 5, 2006
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Application of a New Method for Analyzing Images: Two-Dimensional Non-Linear Additive Decomposition
This paper documents the application of a new image processing algorithm, two-dimensional non-linear additive decomposition (NLAD), which is used to identify regions in a digital image whose gray-scale (or color) intensity is different than the surrounding background. Standard image segmentation algorithms exist that allow users to segment images based on gray-scale intensity and/or shape. However, these processing techniques do not adequately account for the image noise and lighting variation that typically occurs across an image. NLAD is designed to separate image noise and background from artifacts thereby providing the ability to consistently evaluate images. The decomposition techniques used in this algorithm are based on the concepts of mathematical morphology. NLAD emulates the human capability of visually separating an image into different levels of resolution components, denoted as ''coarse'', ''fine'', and ''intermediate''. Very little resolution information overlaps any two of the component images. This method can easily determine and/or remove trends and noise from an image. NLAD has several additional advantages over conventional image processing algorithms, including no need for a transformation from one space to another, such as is done with Fourier transforms, and since only finite summations are required, the calculational effort is neither extensive nor complicated.
Date:
July 5, 2006
Creator:
Zaccaria, M. A.; Drudnoy, D. M. & Stasenko, J. E.
Object Type:
Article
System:
The UNT Digital Library
Army Officer Shortages: Background and Issues for Congress
This report assesses the extent of the Army officer shortfall, examines perceived causes, reviews recent retention initiatives, identifies other possible retention incentives, and concludes with a review of possible options for Congress. This report is focused on the Army’s “line” or basic branch officers.
Date:
July 5, 2006
Creator:
Henning, Charles A.
Object Type:
Report
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 85, No. 236, Ed. 1 Wednesday, July 5, 2006
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
July 5, 2006
Creator:
Clements, Clifford E.
Object Type:
Newspaper
System:
The Portal to Texas History
Biomolecular Origin of The Rate-Dependent Deformation of Prismatic Enamel
Penetration deformation of columnar prismatic enamel was investigated using instrumented nanoindentation testing, carried out at three constant strain rates (0.05 s{sup -1}, 0.005 s{sup -1}, and 0.0005 s{sup -1}). Enamel demonstrated better resistance to penetration deformation and greater elastic modulus values were measured at higher strain rates. The origin of the rate-dependent deformation was rationalized to be the shear deformation of nanoscale protein matrix surrounding each hydroxyapatite crystal rods. And the shear modulus of protein matrix was shown to depend on strain rate in a format: G{sub p} = 0.213 + 0.021 ln {dot {var_epsilon}}. Most biological composites compromise reinforcement mineral components and an organic matrix. They are generally partitioned into multi-level to form hierarchical structures that have supreme resistance to crack growth [1]. The molecular mechanistic origin of toughness is associated with the 'sacrificial chains' between the individual sub-domains in a protein molecule [2]. As the protein molecule is stretched, these 'sacrificial chains' break to protect its backbone and dissipate energy [3]. Such fresh insights are providing new momentum toward updating our understanding of biological materials [4]. Prismatic enamel in teeth is one such material. Prismatic microstructure is frequently observed in the surface layers of many biological materials, as …
Date:
July 5, 2006
Creator:
Zhou, J & Hsiung, L
Object Type:
Article
System:
The UNT Digital Library
Border Security: Investigators Transported Radioactive Sources Across Our Nation's Borders at Two Locations
Testimony issued by the Government Accountability Office with an abstract that begins "Given today's unprecedented terrorism threat environment and the resulting widespread congressional and public interest in the security of our nation's borders, GAO conducted an investigation testing whether radioactive sources could be smuggled across U.S. borders. Most travelers enter the United States through the nation's 154 land border ports of entry. Department of Homeland Security U.S. Customs and Border Protection (CBP) inspectors at ports of entry are responsible for the primary inspection of travelers to determine their admissibility into the United States and to enforce laws related to preventing the entry of contraband, such as drugs and weapons of mass destruction. GAO's testimony provides the results of undercover tests made by its investigators to determine whether monitors at U.S. ports of entry detect radioactive sources in vehicles attempting to enter the United States. GAO also provides observations regarding the procedures that CBP inspectors followed during its investigation. GAO has also issued a report on the results of this investigation (GAO-06-545R)."
Date:
July 5, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
The Capitol Visitor Center: An Overview
On June 20, 2000, congressional leaders of both parties gathered to participate in a symbolic groundbreaking ceremony for the Capitol Visitor Center (CVC). The center has been designed to enhance the security, educational experience, and comfort of those visiting the U.S. Capitol when it is completed. The cost of the center is estimated to be at least $555 million. This report details the different methods of funding for the center, as well as the design and development process for the center.
Date:
July 5, 2006
Creator:
Stathis, Stephen W.
Object Type:
Report
System:
The UNT Digital Library
The Capitol Visitor Center: An Overview
This report presents the cost of the center, the most extensive addition to the Capitol since the Civil War, and the largest in the structure’s more than 200-year history, is now estimated to be at least $555 million. The project is being financed with appropriated funds, and a total of $65 million from private donations and revenue generated by the sale of commemorative coins.
Date:
July 5, 2006
Creator:
Stathis, Stephen W.
Object Type:
Report
System:
The UNT Digital Library