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89
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Where the West Begins: Capturing Fort Worth's Historic Treasures
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429 Matching Results
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Assessment Path Final Report
This report is part of the Web-at-Risk project. This report describes the major assessment activities, their contributions to the project, and key findings. The assessment work areas included needs assessment, collection planning, and WAS evaluation.
Date:
December 27, 2007
Creator:
Murray, Kathleen R.
Object Type:
Report
System:
The UNT Digital Library
U-Sr isotopic speedometer: Fluid flow and chemical weatheringrates inaquifers
Both chemical weathering rates and fluid flow are difficultto measure in natural systems. However, these parameters are critical forunderstanding the hydrochemical evolution of aquifers, predicting thefate and transport of contaminants, and for water resources/water qualityconsiderations. 87Sr/86Sr and (234U/238U) activity ratios are sensitiveindicators of water-rock interaction, and thus provide a means ofquantifying both flow and reactivity. The 87Sr/86Sr values in groundwaters are controlled by the ratio of the dissolution rate to the flowrate. Similarly, the (234U/238U) ratio of natural ground waters is abalance between the flow rate and the dissolution of solids, andalpha-recoil loss of 234U from the solids. By coupling these two isotopesystems it is possible to constrain both the long-term (ca. 100's to1000's of years) flow rate and bulk dissolution rate along the flow path.Previous estimates of the ratio of the dissolution rate to theinfiltration flux from Sr isotopes (87Sr/86Sr) are combined with a modelfor (234U/238U) to constrain the infiltration flux and dissolution ratefor a 70-m deep vadose zone core from Hanford, Washington. The coupledmodel for both (234U/238U) ratios and the 87Sr/86Sr data suggests aninfiltration flux of 5+-2 mm/yr, and bulk silicate dissolution ratesbetween 10-15.7 and 10-16.5 mol/m2/s. The process of alpha-recoilenrichment, while primarily responsible for the observed variation …
Date:
December 27, 2005
Creator:
Maher, Kate; DePaolo, Donald J. & Christensen, John N.
Object Type:
Article
System:
The UNT Digital Library
Nuclear Resonance Fluorescence Excitations Near 2 MeV in 235U and 239Pu
A search for nuclear resonance fluorescence excitations in {sup 235}U and {sup 239}Pu within the energy range of 1.0- to 2.5-MeV was performed using a 4-MeV continuous bremsstrahlung source at the High Voltage Research Laboratory at the Massachusetts Institute of Technology. Measurements utilizing high purity Ge detectors at backward angles identified 9 photopeaks in {sup 235}U and 12 photopeaks in {sup 239}Pu in this energy range. These resonances provide unique signatures that allow the materials to be non-intrusively detected in a variety of environments including fuel cells, waste drums, vehicles and containers. The presence and properties of these states may prove useful in understanding the mechanisms for mixing low-lying collective dipole excitations with other states at low excitations in heavy nuclei.
Date:
December 27, 2006
Creator:
Bertozzi, W.; Caggiano, J. A.; Hensley, W. K.; Johnson, M. S.; Korbly, S. E.; Ledoux, R. J. et al.
Object Type:
Article
System:
The UNT Digital Library
METHODOLOGY AND CALCULATIONS FOR THE ASSIGNMENT OF WASTE GROUPS FOR THE LARGE UNDERGROUND WASTE STORAGE TANKS AT THE HANFORD SITE
This document categorizes each of the large waste storage tanks into one of several categories based on each tank's waste characteristics. These waste group assignments reflect a tank's propensity to retain a significant volume of flammable gases and the potential of the waste to release retained gas by a buoyant displacement event. Revision 7 is the annual update of the calculations of the flammable gas Waste Groups for DSTs and SSTs. The Hanford Site contains 177 large underground radioactive waste storage tanks (28 double-shell tanks and 149 single-shell tanks). These tanks are categorized into one of three waste groups (A, B, and C) based on their waste and tank characteristics. These waste group assignments reflect a tank's propensity to retain a significant volume of flammable gases and the potential of the waste to release retained gas by a buoyant displacement gas release event. Assignments of waste groups to the 177 double-shell tanks and single-shell tanks, as reported in this document, are based on a Monte Carlo analysis of three criteria. The first criterion is the headspace flammable gas concentration following release of retained gas. This criterion determines whether the tank contains sufficient retained gas such that the well-mixed headspace flammable …
Date:
December 27, 2007
Creator:
Fowler, K. D.
Object Type:
Report
System:
The UNT Digital Library
Annual Hanford Seismic Report for Fiscal Year 2007
This annual report documents the locations, magnitudes, and geologic interpretations of earthquakes recorded for the Hanford monitoring region of south-central Washington in fiscal year 2007 (October 2006 through September 2007). The report provides summaries of seismic events recorded during the first three quarters of fiscal year 2007 and contains a more comprehensive discussion of seismic events for the fourth quarter of the fiscal year.
Date:
December 27, 2007
Creator:
Rohay, Alan C.; Sweeney, Mark D.; Hartshorn, Donald C.; Clayton, Ray E. & Devary, Joseph L.
Object Type:
Report
System:
The UNT Digital Library
Greensheet (Houston, Tex.), Vol. 36, No. 554, Ed. 1 Tuesday, December 27, 2005
Free weekly newspaper that includes business and classified advertising.
Date:
December 27, 2005
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 38, No. 560, Ed. 1 Thursday, December 27, 2007
Free weekly newspaper that includes business and classified advertising.
Date:
December 27, 2007
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 38, No. 561, Ed. 1 Thursday, December 27, 2007
Free weekly newspaper that includes business and classified advertising.
Date:
December 27, 2007
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Today Cedar Hill (Duncanville, Tex.), Vol. 36, No. 41, Ed. 1 Thursday, December 27, 2001
Weekly newspaper published in Duncanville, Texas that includes local Cedar Hill, state, and national news along with advertising.
Date:
December 27, 2001
Creator:
Crooks, Kristi
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 37, No. 558, Ed. 1 Wednesday, December 27, 2006
Free weekly newspaper that includes business and classified advertising.
Date:
December 27, 2006
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Cherokeean/Herald (Rusk, Tex.), Vol. 152, No. 45, Ed. 1 Thursday, December 27, 2001
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
December 27, 2001
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
Cherokeean Herald (Rusk, Tex.), Vol. 156, No. 45, Ed. 1 Wednesday, December 27, 2006
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
December 27, 2006
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Jewish Post (Fort Worth, Tex.), Vol. 61, No. 52, Ed. 1 Thursday, December 27, 2007
Weekly Jewish newspaper from Fort Worth, Texas that includes local, state and national news along with extensive advertising.
Date:
December 27, 2007
Creator:
Wisch, Rene
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Attorney General Opinion: GA-0385
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Greg Abbott, regarding a legal question submitted for clarification; Whether a nonprofit organization that sponsors a "poker run" violates gambling statutes (RQ-0357-GA)
Date:
December 27, 2005
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Texas Attorney General Opinion: GA-0386
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Greg Abbott, regarding a legal question submitted for clarification; Whether a legislator may simultaneously serve as president of a municipal management district operating under chapter 375, Local Government Code (RQ-0385-GA)
Date:
December 27, 2005
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
The Bastrop Advertiser (Bastrop, Tex.), Vol. 154, No. 87, Ed. 1 Thursday, December 27, 2007
Semi-weekly newspaper from Bastrop, Texas that includes local, state and national news along with advertising.
Date:
December 27, 2007
Creator:
McAuley, Davis
Object Type:
Newspaper
System:
The Portal to Texas History
The Bastrop Advertiser (Bastrop, Tex.), Vol. 155, No. 88, Ed. 1 Saturday, December 27, 2008
Semi-weekly newspaper from Bastrop, Texas that includes local, state and national news along with advertising.
Date:
December 27, 2008
Creator:
Wright, Cyndi
Object Type:
Newspaper
System:
The Portal to Texas History
TDNA Monthly Office Manager's Report: November/December 2005
Monthly report written by the Texas Daily Newspaper Association's (TDNA's) office manager, Darla Thompson, to Ken Whalen providing a summary of revenues and account balances, programs, meetings, and other activities in the office during the previous months.
Date:
December 27, 2005
Creator:
Thompson, Darla
Object Type:
Report
System:
The UNT Digital Library
Texas Attorney General Opinion: JC-446
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, John Cornyn, regarding a legal question submitted for clarification; Whether a school district is required to expel a student who commits certail alcohol-and drug-related felonies within 300 feet of school property(RQ-0446-JC).
Date:
December 27, 2001
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Texas Attorney General Opinion: JC-447
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, John Cornyn, regarding a legal question submitted for clarification; Whether a hospital may contract exclusively with a single medical insurance provider(RQ-0407-JC).
Date:
December 27, 2001
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Texas Attorney General Opinion: JC-448
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, John Cornyn, regarding a legal question submitted for clarification; Validity of a rider to the general appropriation act requiring the Texas Department of Transportation to sign an agreement with the city of El Paso in order to expand funds to build a border inspection sation (RQ-0419-JC).
Date:
December 27, 2001
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Obstruction of Justice: an Overview of Some of the Federal Statutes that Prohibit Interference with Judicial, Executive, or Legislative Activities
None
Date:
December 27, 2007
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
The European Union: Questions and Answers
None
Date:
December 27, 2005
Creator:
Archick, Kristin
Object Type:
Report
System:
The UNT Digital Library
The European Union in 2006 and Beyond
None
Date:
December 27, 2005
Creator:
Archick, Kristin
Object Type:
Report
System:
The UNT Digital Library