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401 Matching Results
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The Rambler (Fort Worth, Tex.), Vol. 83, No. 10, Ed. 1 Wednesday, April 5, 2000
Weekly student newspaper from Texas Wesleyan University in Fort Worth, Texas that includes campus and local news along with advertising.
Date:
April 5, 2000
Creator:
Pfaffengut, James
Object Type:
Newspaper
System:
The Portal to Texas History
Economic Indicators: Country Comparisons
None
Date:
September 5, 2000
Creator:
Waddoups, Shawn
Object Type:
Report
System:
The UNT Digital Library
Relative x-ray backlighter intensity comparison of ti and ti/sc combination foils driven in double-sided and single-sided laser configuration
Use of multiple backlighter foils and/or double-sided laser interaction geometry with backlit imaging can result in improved backlighter efficiency. An experimental comparison of backlighter intensity for Ti foils and Ti/Sc combination foils in both the one-sided and double-sided laser-interaction configuration is presented. Spectrally-integrated framing camera images show intensity contributions of front and rear backlighter surfaces for both foil types. Analysis of time-resolved x-ray spectra collected from foil targets show the relative contribution of Ti and Sc 2-1 He-like resonance lines to the total backlighter intensity.
Date:
June 5, 2000
Creator:
Bullock, A. B.; Landen, O. L. & Bradley, D. K.
Object Type:
Article
System:
The UNT Digital Library
Final Focus Shielding Designs for Modern Heavy-Ion Fusion Power Plant Designs
Recent work in heavy-ion fusion accelerators and final focusing systems shows a trend towards less current per beam, and thus, a greater number of beams. Final focusing magnets are susceptible to nuclear heating, radiation damage, and neutron activation. The trend towards more beams, however, means that there can be less shielding for each magnet, Excessive levels of nuclear heating may lead to magnet quench or an intolerable recirculating power for magnet cooling. High levels of radiation damage may result in short magnet lifetimes and low reliability. Finally, neutron activation of the magnet components may lead to difficulties in maintenance, recycling, and waste disposal. The present work expands upon previous, three-dimensional magnet shielding calculations for a modified version of the HYLIFE-I1 IFE power plant design. We present key magnet results as a function of the number of beams.
Date:
July 5, 2000
Creator:
Latkowski, J. F. & Meier, W. R.
Object Type:
Article
System:
The UNT Digital Library
D0 General Support: The Use of Programmable Logic Controllers (PLCS) at D0
With the exception of control of heating, ventilation, and air conditioning (HVAC) ventilation fans, and their shutdown in the case of smoke in the ducts, all implementations of Programmable Logic Controllers (PLCs) in Dzero have been made within the fundamental premise that no uncertified PLC apparatus shall be entrusted with the safety of equipment or personnel. Thus although PLCs are used to control and monitor all manner of intricate equipment, simple hardware interlocks and relief devices provide basic protection against component failure, control failure, or inappropriate control operation. Nevertheless, this report includes two observations as follows: (1) It may be prudent to reconfigure the link between the Pyrotronics system and the HVAC system such that the Pyrotronics system provides interlocks to the ventilation fans instead of control inputs to the uncertified HVAC PLCs. Although the Pyrotronics system is certified and maintained to life safety standards, the HVAC system is not. A hardware or software failure of the HVAC system probably should not be allowed to result in the situation where the ventilation fans in a smoke filled duct continue to operate. Dan Markley is investigating this matter. (2) It may also be prudent to examine the network security of those …
Date:
May 5, 2000
Creator:
Hance, R.
Object Type:
Report
System:
The UNT Digital Library
[Off the Street receipt]
Off the Street receipt on June 5, 2000 with handwritten note on the back.
Date:
June 5, 2000
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
[TSDC minutes from Al Daniels]
Email correspondence between multiple recipients on March 5, 2000, discussing TSDC minutes from Al Daniels.
Date:
March 5, 2000
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Texas Stonewall Democratic Caucus 1998-2000 Officers and Board of Directors
List consists of 1998-2000 Officers and Board of Directors' addresses and other contact information.
Date:
March 5, 2000
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
Measurement of Tritium in Gas Phase Soil Moisture and Helium-3 in Soil Gas at the Hanford Townsite and 100 K Area
In 1999, eight soil gas sampling points ranging in depth from 4.9 ft to 32 ft below ground surface (bgs) in two clusters were installed adjacent to well 699-41-1, south of the Hanford Townsite. Fifteen soil gas sampling points, ranging in depth from 7.0 ft to 10.4 ft bgs, were installed to the north and east of the 100-K East Reactor facility. Gas phase soil moisture samples were collected using silica gel traps from all eight sampling locations adjacent to well 699-41-1 and eight locations at the 100-K Area. Soil gas samples for helium-3 measurements were collected at all sampling points. No detectable tritium (<240 pCi/L) was found in the soil moisture samples from either the Hanford Townsite or 100-K Area sampling points. This behavior suggests that tritiated moisture from groundwater is not migrating upward to the sampling points and there are no large vadose zone sources of tritium at either location. Helium-3 analyses of the soil gas samples showed significant enrichments relative to ambient air helium-3 concentrations with a depth dependence consistent with a groundwater source from decay of tritium. Helium-3/helium-4 ratios (normalized to the abundances in ambient air) at the Hanford Townsite ranged from 1.012 at 5 feet …
Date:
July 5, 2000
Creator:
Olsen, Khris B.; Patton, Gregory W.; Poreda, R.; Dresel, P Evan & Evans, John C.
Object Type:
Report
System:
The UNT Digital Library
Fracture Geometry Analysis for the Stratigraphic Units of the Repository Host Horizon
None
Date:
September 5, 2000
Creator:
Hardin, E.
Object Type:
Report
System:
The UNT Digital Library
Post-Remediation Biomonitoring of Pesticides in Marine Waters Near the United Heckathorn Site, Richmond, California
Marine sediment remediation at the United Heckathorn Superfund Site was completed in April 1997. Water and mussel tissues were sampled in January 1998 from four stations near Lauritzen Canal in Richmond, California, for the first post-remediation monitoring of marine areas near the United Heckathorn Site. Dieldrin and DDT were analyzed in water samples, tissue samples from resident mussels, and tissue samples from transplanted mussels deployed for 4 months. Concentrations of dieldrin and total DDT in water and total DDT in tissue were compared to pre-remediation data available from the California State Mussel Watch program (tissues) and the Ecological Risk Assessment for the United Heckathorn Superfund Site (tissues and water). Biomonitoring results indicated that pesticides were still bioavailable in the water column, and have not been reduced from pre-remediation levels. Annual biomonitoring will continue to assess the effectiveness of remedial actions at the United Heckathorn Site.
Date:
September 5, 2000
Creator:
Antrim, Liam D. & Kohn, Nancy P.
Object Type:
Report
System:
The UNT Digital Library
San Antonio Register (San Antonio, Tex.), Vol. 69, No. 16, Ed. 1 Thursday, October 5, 2000
Weekly newspaper from San Antonio, Texas that includes local, state, and national news along with advertising.
Date:
October 5, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Seminole Sentinel (Seminole, Tex.), Vol. 94, No. 6, Ed. 1 Sunday, November 5, 2000
Semiweekly newspaper from Seminole, Texas that includes local, state, and national news along with advertising.
Date:
November 5, 2000
Creator:
Dow, M. Gene & Fisher, David
Object Type:
Newspaper
System:
The Portal to Texas History
Seminole Sentinel (Seminole, Tex.), Vol. 93, No. 75, Ed. 1 Wednesday, July 5, 2000
Semiweekly newspaper from Seminole, Texas that includes local, state, and national news along with advertising.
Date:
July 5, 2000
Creator:
Dow, M. Gene & Fisher, David
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 22, Ed. 1 Thursday, October 5, 2000
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
October 5, 2000
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
The Hopkins County Echo (Sulphur Springs, Tex.), Vol. 205, No. 17, Ed. 1 Friday, May 5, 2000
Weekly newspaper from Sulphur Springs, Texas that includes local, state, and national news along with advertising.
Date:
May 5, 2000
Creator:
Keys, Scott & Lamb, Bill
Object Type:
Newspaper
System:
The Portal to Texas History
[Denton County Law Enforcement Memorial Commission]
Photograph of two groups of police officers standing in lines on the lawn at Quakertown Park during the Denton County Law Enforcement Memorial Commission Ceremony. The officers on the left side are wearing dress uniforms with white gloves and holding rifles and the officers on the right are holding their hands behind their backs. On the far right side a group of civilians are seated under a tree and there are more trees and people in the background.
Date:
May 5, 2000
Creator:
Cabrales, John
Object Type:
Photograph
System:
The Portal to Texas History
[Police Chief Mike Jez, Mayor Euline Brock, and Officers on Stage at Law Enforcement Memorial Commission]
Photograph of members of the Denton County Law Enforcement Memorial Commission sitting and standing on the band shell at Quakertown Park (Civic Center Park) Denton Chief of Police, Mike Jez, is speaking at the podium in the front and Mayor Euline Brock entering on the left side. At the back of the stage there are several flags on the left and right side and a banner hanging in the center that reads "Denton County Law Enforcement Memorial Commission," and trees are visible behind the band shell.
Date:
May 5, 2000
Creator:
Cabrales, John
Object Type:
Photograph
System:
The Portal to Texas History
[Motorcycle Officers at Law Enforcement Memorial Commission]
Photograph of a group of motorcycle officers wearing uniforms and helmets standing in front of a brick wall and saluting during the Denton County Law Enforcement Memorial Commission's Ceremony proceedings. There is a motorcycle in the foreground and trees visible in the background.
Date:
May 5, 2000
Creator:
Cabrales, John
Object Type:
Photograph
System:
The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 118, No. 78, Ed. 1 Thursday, October 5, 2000
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
October 5, 2000
Creator:
White, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 105, No. 53, Ed. 1 Wednesday, July 5, 2000
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
July 5, 2000
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 105, No. 36, Ed. 1 Friday, May 5, 2000
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
May 5, 2000
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 105, No. 1, Ed. 1 Wednesday, January 5, 2000
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
January 5, 2000
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 105, No. 27, Ed. 1 Wednesday, April 5, 2000
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
April 5, 2000
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History