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The J-TAC (Stephenville, Tex.), Vol. 161, No. 8, Ed. 1 Thursday, March 29, 2001
Weekly student newspaper from Tarleton State University in Stephenville, Texas that includes local, state and campus news along with advertising.
Date:
March 29, 2001
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Draft versus finished sequence data for DNA and protein diagnostic signature development
Sequencing pathogen genomes is costly, demanding careful allocation of limited sequencing resources. We built a computational Sequencing Analysis Pipeline (SAP) to guide decisions regarding the amount of genomic sequencing necessary to develop high-quality diagnostic DNA and protein signatures. SAP uses simulations to estimate the number of target genomes and close phylogenetic relatives (near neighbors, or NNs) to sequence. We use SAP to assess whether draft data is sufficient or finished sequencing is required using Marburg and variola virus sequences. Simulations indicate that intermediate to high quality draft with error rates of 10{sup -3}-10{sup -5} ({approx} 8x coverage) of target organisms is suitable for DNA signature prediction. Low quality draft with error rates of {approx} 1% (3x to 6x coverage) of target isolates is inadequate for DNA signature prediction, although low quality draft of NNs is sufficient, as long as the target genomes are of high quality. For protein signature prediction, sequencing errors in target genomes substantially reduce the detection of amino acid sequence conservation, even if the draft is of high quality. In summary, high quality draft of target and low quality draft of NNs appears to be a cost-effective investment for DNA signature prediction, but may lead to underestimation …
Date:
October 29, 2004
Creator:
Gardner, S N; Lam, M W; Smith, J R; Torres, C L & Slezak, T R
Object Type:
Article
System:
The UNT Digital Library
Modeling of Long-Range Atmospheric Lasercom Links Between Static and Mobile Platforms
We describe modeling and simulation of long-range terrestrial laser communications links between static and mobile platforms. Atmospheric turbulence modeling, along with pointing, tracking and acquisition models are combined to provide an overall capability to estimate communications link performance.
Date:
July 29, 2003
Creator:
Scharlemann, E T; Breitfeller, E F; Henderson, J R; Kallman, J S; Morris, J R & Ruggiero, A J
Object Type:
Article
System:
The UNT Digital Library
China Spallation Neutron Source Design
The China Spallation Neutron Source (CSNS) is an accelerator-based high-power project currently in preparation under the direction of the Chinese Academy of Sciences (CAS). The complex is based on an H- linear accelerator, a rapid cycling proton synchrotron accelerating the beam to 1.6 GeV, a solid tungsten target station, and five initial instruments for spallation neutron applications. The facility will operate at 25 Hz repetition rate with a phase-I beam power of about 120 kW. The major challenge is to build a robust and reliable user's facility with upgrade potential at a fractional of ''world standard'' cost.
Date:
January 29, 2007
Creator:
Wei, J.
Object Type:
Article
System:
The UNT Digital Library
The Clifton Record (Clifton, Tex.), Vol. 111, No. 39, Ed. 1 Friday, September 29, 2006
Weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
September 29, 2006
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 110, No. 17, Ed. 1 Friday, April 29, 2005
Weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
April 29, 2005
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 105, No. 25, Ed. 1 Wednesday, March 29, 2000
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
March 29, 2000
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 114, No. 30, Ed. 1 Wednesday, July 29, 2009
Weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
July 29, 2009
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
Hadron Spectroscopy and Structure from AdS/CFT
The AdS/CFT correspondence between conformal field theory and string states in an extended space-time has provided new insights into not only hadron spectra, but also their light-front wavefunctions. We show that there is an exact correspondence between the fifth-dimensional coordinate of anti-de Sitter space z and a specific impact variable {zeta} which measures the separation of the constituents within the hadron in ordinary space-time. This connection allows one to predict the form of the light-front wavefunctions of mesons and baryons, the fundamental entities which encode hadron properties and scattering amplitudes. A new relativistic Schroedinger light-front equation is found which reproduces the results obtained using the fifth-dimensional theory. Since they are complete and orthonormal, the AdS/CFT model wavefunctions can be used as an initial ansatz for a variational treatment or as a basis for the diagonalization of the light-front QCD Hamiltonian. A number of applications of light-front wavefunctions are also discussed.
Date:
September 29, 2006
Creator:
Brodsky, Stanley J.
Object Type:
Article
System:
The UNT Digital Library
The Clifton Record (Clifton, Tex.), Vol. 108, No. 9, Ed. 1 Wednesday, January 29, 2003
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
January 29, 2003
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 112, No. 35, Ed. 1 Wednesday, August 29, 2007
Weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
August 29, 2007
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 114, No. 17, Ed. 1 Wednesday, April 29, 2009
Weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
April 29, 2009
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 110, No. 30, Ed. 1 Friday, July 29, 2005
Weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
July 29, 2005
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
TANK 4 CHARACTERIZATION, SETTLING, AND WASHING STUDIES
A sample of PUREX sludge from Tank 4 was characterized, and subsequently combined with a Tank 51 sample (Tank 51-E1) received following Al dissolution, but prior to a supernate decant by the Tank Farm, to perform a settling and washing study to support Sludge Batch 6 preparation. The sludge source for the majority of the Tank 51-E1 sample is Tank 12 HM sludge. The Tank 51-E1 sample was decanted by SRNL prior to use in the settling and washing study. The Tank 4 sample was analyzed for chemical composition including noble metals. The characterization of the Tank 51-E1 sample, used here in combination with the Tank 4 sample, was reported previously. SRNL analyses on Tank 4 were requested by Liquid Waste Engineering (LWE) via Technical Task Request (TTR) HLE-TTR-2009-103. The sample preparation work is governed by Task Technical and Quality Assurance Plan (TTQAP), and analyses were controlled by an Analytical Study Plan and modifications received via customer communications. Additional scope included a request for a settling study of decanted Tank 51-E1 and a blend of decanted Tank 51-E1 and Tank 4, as well as a washing study to look into the fate of undissolved sulfur observed during the Tank 4 …
Date:
September 29, 2009
Creator:
Bannochie, C.; Pareizs, J.; Click, D. & Zamecnik, J.
Object Type:
Report
System:
The UNT Digital Library
The Goldthwaite Eagle (Goldthwaite, Tex.), Vol. 113, No. 7, Ed. 1 Wednesday, August 29, 2007
Weekly newspaper from Goldthwaite, Texas that includes local, state, and national news along with extensive advertising.
Date:
August 29, 2007
Creator:
Bridges, Steven W.
Object Type:
Newspaper
System:
The Portal to Texas History
Use of Electrochemical Noise to Assess Corrosion in Kraft Continuous Digesters
Electrochemical noise (EN) probes were deployed in two continuous kraft digesters at a variety of locations representative of corrosion throughout the vessels. Current and potential noise, the temperature at each probe location, and the value of up to 60 process parameters (flow rates, liquor chemistry, etc.) were monitored continuously during each experiment. The results indicate that changes in furnish composition and process upsets were invariably associated with concurrent substantial changes in EN activity throughout the vessels. Post-test evaluation of the mild steel electrode materials in both vessels confirmed general corrosion of a magnitude consistent with historical trends in the respective vessels as well as values qualitatively (and semi-quantitatively) related to EN current sums for each electrode pair. Stainless steel electrodes representing 309LSi and 312 overlay repairs exhibited zero wastage corrosion--as did the actual overlays--but the EN data indicated periodic redox activity on the stainless steel that varied with time and position within the vessel. Little or no correlation between EN probe activity and other operational variables was observed in either vessel. Additional details for each digester experiment are summarized.
Date:
November 29, 2004
Creator:
Pawel, S.J.
Object Type:
Report
System:
The UNT Digital Library
Far-Field Accumulation of Fissile Material From Waste Packages Containing Plutonium Disposition Waste Form
The objective of this calculation is to estimate the quantity of fissile material that could accumulate in fractures in the rock beneath plutonium-ceramic (Pu-ceramic) and Mixed-Oxide (MOX) waste packages (WPs) as they degrade in the potential monitored geologic repository at Yucca Mountain. This calculation is to feed another calculation (Ref. 31) computing the probability of criticality in the systems described in Section 6 and then ultimately to a more general report on the impact of plutonium on the performance of the proposed repository (Ref. 32), both developed concurrently to this work. This calculation is done in accordance with the development plan TDP-DDC-MD-000001 (Ref. 9), item 5. The original document described in item 5 has been split into two documents: this calculation and Ref. 4. The scope of the calculation is limited to only very low flow rates because they lead to the most conservative cases for Pu accumulation and more generally are consistent with the way the effluent from the WP (called source term in this calculation) was calculated (Ref. 4). Ref. 4 (''In-Drift Accumulation of Fissile Material from WPs Containing Plutonium Disposition Waste Forms'') details the evolution through time (breach time is initial time) of the chemical composition of …
Date:
September 29, 2000
Creator:
Nicot, J.P.
Object Type:
Report
System:
The UNT Digital Library
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 85, No. 25, Ed. 1 Monday, January 29, 2001
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 29, 2001
Creator:
Quinnelly, Lorrie J.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 84, No. 295, Ed. 1 Tuesday, August 29, 2000
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 29, 2000
Creator:
Quinnelly, Lorrie J.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
PET IMAGING STUDIES IN DRUG ABUSE RESEARCH.
There is overwhelming evidence that addiction is a disease of the brain (Leshner, 1997). Yet public perception that addiction is a reflection of moral weakness or a lack of willpower persists. The insidious consequence of this perception is that we lose sight of the fact that there are enormous medical consequences of addiction including the fact that a large fraction of the total deaths from cancer and heart disease are caused by smoking addiction. Ironically the medical school that educates physicians in addiction medicine and the cancer hospital that has a smoking cessation clinic are vanishingly rare and efforts at harm reduction are frequently met with a public indignation. Meanwhile the number of people addicted to substances is enormous and increasing particularly the addictions to cigarettes and alcohol. It is particularly tragic that addiction usually begins in adolescence and becomes a chronic relapsing problem and there are basically no completely effective treatments. Clearly we need to understand how drugs of abuse affect the brain and we need to be creative in using this information to develop effective treatments. Imaging technologies have played a major role in the conceptualization of addiction as a disease of the brain (Fowler et al., 1998a; …
Date:
January 29, 2001
Creator:
Fowler, J. S.; Volkow, N. D.; Ding, Y. S.; Logan, J. & Wang, G. J.
Object Type:
Book
System:
The UNT Digital Library
Development of Novel Water-Gas Shift Membrane Reactor
None
Date:
December 29, 2004
Creator:
Ho, W. S. Winston
Object Type:
Report
System:
The UNT Digital Library
Development of Novel Water-Gas Shift Membrane Reactor
This report summarizes the objectives, technical barrier, approach, and accomplishments for the development of a novel water-gas-shift (WGS) membrane reactor for hydrogen enhancement and CO reduction. We have synthesized novel CO{sub 2}-selective membranes with high CO{sub 2} permeabilities and high CO{sub 2}/H{sub 2} and CO{sub 2}/CO selectivities by incorporating amino groups in polymer networks. We have also developed a one-dimensional non-isothermal model for the countercurrent WGS membrane reactor. The modeling results have shown that H{sub 2} enhancement (>99.6% H{sub 2} for the steam reforming of methane and >54% H{sub 2} for the autothermal reforming of gasoline with air on a dry basis) via CO{sub 2} removal and CO reduction to 10 ppm or lower are achievable for synthesis gases. With this model, we have elucidated the effects of system parameters, including CO{sub 2}/H{sub 2} selectivity, CO{sub 2} permeability, sweep/feed flow rate ratio, feed temperature, sweep temperature, feed pressure, catalyst activity, and feed CO concentration, on the membrane reactor performance. Based on the modeling study using the membrane data obtained, we showed the feasibility of achieving H{sub 2} enhancement via CO{sub 2} removal, CO reduction to {le} 10 ppm, and high H{sub 2} recovery. Using the membrane synthesized, we have obtained …
Date:
December 29, 2004
Creator:
Ho, W. S. Winston
Object Type:
Report
System:
The UNT Digital Library
Texas Jewish Post (Fort Worth, Tex.), Vol. 55, No. 13, Ed. 1 Thursday, March 29, 2001
Weekly Jewish newspaper from Fort Worth, Texas that includes local, state, and national news along with extensive advertising.
Date:
March 29, 2001
Creator:
Wisch, J. A. & Wisch, Rene
Object Type:
Newspaper
System:
The Portal to Texas History
Community Correspondence - Article Beyond the Dollars and Cents of Base Closures
Article and CD submitted by writer Kevin Gardner discussing Portsmouth brunswikck and Groton
Date:
July 29, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library