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Anthrax: Federal Agencies Have Taken Some Steps to Validate Sampling Methods and to Develop a Next-Generation Anthrax Vaccine
Testimony issued by the Government Accountability Office with an abstract that begins "GAO has done many studies over the past 7 years on anthrax vaccine safety and anthrax detection methods. GAO has reported the lack of validated methods for detecting anthrax contamination and has recommended a coordinated approach to improving the overall process for detecting anthrax that included a probability-based sampling strategy. GAO also reported that the vaccine has not been adequately tested on humans; no studies have been done to determine the optimum number of doses; the long-term safety has not been studied and data on short-term reactions are limited; however, women report higher rates of reactions than do men. Given these problems, GAO recommended the development, of a better, alternative vaccine."
Date:
May 9, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
APPLICATION OF NOVEL NEUTRON CORRELATION TECHNIQUES TO NUCLEAR MATERIAL MEASUREMENTS
Confirmation of the fissile mass of a system containing plutonium can be done using neutron multiplicity techniques. This can be accomplished with a detector system that is smaller and less costly than a standard neutron multiplicity counter (NMC). Also the fissile mass of a uranium containing system can be confirmed by passive means. Recent work at Lawrence Livermore National Laboratory has demonstrated that simple slab neutron detectors and a novel approach to data acquisition and analysis can be used to make an accurate measurement of the mass of fissile materials. Purely passive measurement of kilogram quantities of highly enriched uranium (HEU) have also been shown to be feasible. In this paper we discuss calculational tools for assessing the application of these techniques to fissile material transparency regimes. The tools required to adequately model the correlations and their application will be discussed.
Date:
June 9, 2006
Creator:
Sale, Ken
Object Type:
Article
System:
The UNT Digital Library
Archer County Advocate (Holliday, Tex.), Vol. 3, No. 44, Ed. 1 Thursday, February 9, 2006
Weekly newspaper from Holliday, Texas that includes local, state, and national news along with advertising.
Date:
February 9, 2006
Creator:
Cooper, James H.
Object Type:
Newspaper
System:
The Portal to Texas History
Archer County Advocate (Holliday, Tex.), Vol. 3, No. 48, Ed. 1 Thursday, March 9, 2006
Weekly newspaper from Holliday, Texas that includes local, state, and national news along with advertising.
Date:
March 9, 2006
Creator:
Cooper, James H.
Object Type:
Newspaper
System:
The Portal to Texas History
Archer County Advocate (Holliday, Tex.), Vol. 4, No. 31, Ed. 1 Thursday, November 9, 2006
Weekly newspaper from Holliday, Texas that includes local, state, and national news along with advertising.
Date:
November 9, 2006
Creator:
Stevens, Charlotte
Object Type:
Newspaper
System:
The Portal to Texas History
Armenia, Azerbaijan, and Georgia: Political Developments and Implications for U.S. Interests
The United States recognized the independence of all the former Soviet republics by the end of 1991, including the South Caucasus states of Armenia, Azerbaijan, and Georgia. The United States has fostered these states' ties with the West in part to end the dependence of these states on Russia for trade, security, and other relations. The FREEDOM Support Act of 1992 provides authorization for assistance to the Eurasian states for humanitarian needs, democratization, and other purposes. In the aftermath of the September 11, 2001, terrorist attacks on the United States, the Administration appealed for a national security waiver of the prohibition on aid to Azerbaijan, in consideration of Azerbaijan's assistance to the international coalition to combat terrorism. Azerbaijani and Georgian troops participate in stabilization efforts in Afghanistan and Iraq, and Armenian personnel serve in Iraq.
Date:
May 9, 2006
Creator:
Nichol, Jim
Object Type:
Report
System:
The UNT Digital Library
Automated High Throughput Protein Crystallization Screening at Nanoliter Scale and Protein Structural Study on Lactate Dehydrogenase
The purposes of our research were: (1) To develop an economical, easy to use, automated, high throughput system for large scale protein crystallization screening. (2) To develop a new protein crystallization method with high screening efficiency, low protein consumption and complete compatibility with high throughput screening system. (3) To determine the structure of lactate dehydrogenase complexed with NADH by x-ray protein crystallography to study its inherent structural properties. Firstly, we demonstrated large scale protein crystallization screening can be performed in a high throughput manner with low cost, easy operation. The overall system integrates liquid dispensing, crystallization and detection and serves as a whole solution to protein crystallization screening. The system can dispense protein and multiple different precipitants in nanoliter scale and in parallel. A new detection scheme, native fluorescence, has been developed in this system to form a two-detector system with a visible light detector for detecting protein crystallization screening results. This detection scheme has capability of eliminating common false positives by distinguishing protein crystals from inorganic crystals in a high throughput and non-destructive manner. The entire system from liquid dispensing, crystallization to crystal detection is essentially parallel, high throughput and compatible with automation. The system was successfully demonstrated by …
Date:
August 9, 2006
Creator:
Li, Fenglei
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Automatic Enrollment in 401(k) Plans
This report contains a summary of 401(k) plans, including the different plan types, enrollment practices, IRS rulings, and policy issues.
Date:
August 9, 2006
Creator:
Purcell, Patrick
Object Type:
Report
System:
The UNT Digital Library
Automobile and Light Truck Fuel Economy: The CAFE Standards
This report is on the Automobile and Light Truck Fuel Economy: The CAFE Standards.
Date:
May 9, 2006
Creator:
Yacobucci, Brent D. & Bamberger, Robert
Object Type:
Report
System:
The UNT Digital Library
Autonomous UAV-Based Mapping of Large-Scale Urban Firefights
This paper describes experimental results from a live-fire data collect designed to demonstrate the ability of IR and acoustic sensing systems to detect and map high-volume gunfire events from tactical UAVs. The data collect supports an exploratory study of the FightSight concept in which an autonomous UAV-based sensor exploitation and decision support capability is being proposed to provide dynamic situational awareness for large-scale battalion-level firefights in cluttered urban environments. FightSight integrates IR imagery, acoustic data, and 3D scene context data with prior time information in a multi-level, multi-step probabilistic-based fusion process to reliably locate and map the array of urban firing events and firepower movements and trends associated with the evolving urban battlefield situation. Described here are sensor results from live-fire experiments involving simultaneous firing of multiple sub/super-sonic weapons (2-AK47, 2-M16, 1 Beretta, 1 Mortar, 1 rocket) with high optical and acoustic clutter at ranges up to 400m. Sensor-shooter-target configurations and clutter were designed to simulate UAV sensing conditions for a high-intensity firefight in an urban environment. Sensor systems evaluated were an IR bullet tracking system by Lawrence Livermore National Laboratory (LLNL) and an acoustic gunshot detection system by Planning Systems, Inc. (PSI). The results demonstrate convincingly the ability for …
Date:
March 9, 2006
Creator:
Snarski, S.; Scheibner, K. F.; Shaw, S.; Roberts, R. S.; LaRow, A.; Oakley, D. et al.
Object Type:
Article
System:
The UNT Digital Library
Avian Flu Pandemic: Potential Impact of Trade Disruptions
Concerns about potential disruptions in U.S. trade flows due to a global health or security risk are not new. The possibility of an avian flu pandemic with consequences for global trade is a concern that has received more attention recently, although some experts believe there is little cause for alarm. Experts disagree on the likelihood of an avian flu pandemic developing at all. This report considers possible trade disruptions, including possible impacts on trade between the United States and countries and regions that have reported avian influenza infections. These disruptions could include countries banning imported goods from infected regions at the onset of the pandemic, de facto bans due to protective health measures, or supply-side constraints caused by health crises in exporting countries.
Date:
June 9, 2006
Creator:
Langton, Danielle
Object Type:
Report
System:
The UNT Digital Library
Aviation Security: Significant Management Challenges May Adversely Affect Implementation of the Transportation Security Administration's Secure Flight Program
Testimony issued by the Government Accountability Office with an abstract that begins "After the events of September 11, 2001, Congress created the Transportation Security Administration (TSA) and directed it to assume the function of passenger prescreening--or the matching of passenger information against terrorist watch lists to identify persons who should undergo additional security scrutiny--for domestic flights, which is currently performed by the air carriers. To do so, TSA is developing Secure Flight. This testimony covers TSA's progress and challenges in (1) developing, managing, and overseeing Secure Flight; (2) coordinating with key stakeholders critical to program operations; (3) addressing key factors that will impact system effectiveness; and (4) minimizing impacts on passenger privacy and protecting passenger rights. This testimony includes information on areas of congressional interest that GAO has previously reported on."
Date:
February 9, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Axions in String Theory
In the context of string theory, axions appear to provide the most plausible solution of the strong CP problem. However, as has been known for a long time, in many string-based models, the axion coupling parameter Fa is several orders of magnitude higher than the standard cosmological bounds. We re-examine this problem in a variety of models, showing that Fa is close to the GUT scale or above in many models that have GUT-like phenomenology, as well as some that do not. On the other hand, in some models with Standard Model gauge fields supported on vanishing cycles, it is possible for Fa to be well below the GUT scale.
Date:
June 9, 2006
Creator:
Svrcek, Peter; /Stanford U., Phys. Dept. /SLAC; Witten, Edward & /Princeton, Inst. Advanced Study
Object Type:
Report
System:
The UNT Digital Library
[Aziza Aba Butain hits forehand during Stephen F. Austin match, 1]
Photograph of Aziza Aba Butain hitting a tennis ball during a match against Stephen F. Austin State University. Butain can be seen in the center of the photograph with a wide stance, using her right arm to swing a tennis racket toward the ball in front of her.
Date:
April 9, 2006
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Aziza Aba Butain hits forehand during Stephen F. Austin match, 2]
Photograph of Aziza Aba Butain hitting a tennis ball during a match against Stephen F. Austin State University. Butain can be seen in the center of the photograph with a wide stance, using her right arm to swing a tennis racket toward the ball in front of her.
Date:
April 9, 2006
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Aziza Aba Butain hits forehand during Stephen F. Austin match, 3]
Photograph of Aziza Aba Butain hitting a tennis ball during a match against Stephen F. Austin State University. Butain can be seen in the center of the photograph with a wide stance, using her right arm to swing a tennis racket toward the ball in front of her.
Date:
April 9, 2006
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Aziza Aba Butain hits forehand during Stephen F. Austin match, 4]
Photograph of Aziza Aba Butain hitting a tennis ball during a match against Stephen F. Austin State University. Butain can be seen in the center of the photograph with a wide stance, jumping slightly and using her right arm to swing a tennis racket toward the ball in front of her.
Date:
April 9, 2006
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Aziza Aba Butain hits forehand during Stephen F. Austin match, 5]
Photograph of Aziza Aba Butain hitting a tennis ball during a match against Stephen F. Austin State University. Butain can be seen in the center of the photograph, jumping slightly and using her right arm to swing a tennis racket toward the ball in front of her.
Date:
April 9, 2006
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Aziza Aba Butain hits forehand during Stephen F. Austin match, 6]
Photograph of Aziza Aba Butain hitting a tennis ball during a match against Stephen F. Austin State University. Butain can be seen in the center of the photograph, facing to the left of the camera and bending both knees. She is using her right arm to swing a tennis racket toward the ball in front of her.
Date:
April 9, 2006
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
Band gap bowing and electron localization of (GaxIn1-x)N
The band gap bowing and the electron localization ofGaxIn1-xN are calculated using both the local density approximation (LDA)and screened-exchange local density functional (sX-LDA) methods. Thecalculated sX-LDA band gaps are in good agreement with the experimentallyobserved values, with errors of -0.26 and 0.09 eV for bulk GaN and InN,respectively. The LDA band gap errors are 1.33 and 0.81 eV for GaN andInN, in order. In contrast to the gap itself, the band gap bowingparameter is found to be very similar in sX-LDA and LDA. We identify thelocalization of hole states in GaxIn1-xN alloys along In-N-In chains. Thepredicted localizationis stronger in sX-LDA.
Date:
May 9, 2006
Creator:
Lee, Byounghak & Wang, Lin-Wang
Object Type:
Article
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 85, No. 31, Ed. 1 Monday, January 9, 2006
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
January 9, 2006
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 85, No. 62, Ed. 1 Thursday, February 9, 2006
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
February 9, 2006
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 85, No. 90, Ed. 1 Thursday, March 9, 2006
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
March 9, 2006
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 85, No. 120, Ed. 1 Sunday, April 9, 2006
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
April 9, 2006
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History