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649 Matching Results
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Accelerator system for neutron radiography
The field of x-ray radiography is well established for doing non-destructive evaluation of a vast array of components, assemblies, and objects. While x-rays excel in many radiography applications, their effectiveness diminishes rapidly if the objects of interest are surrounded by thick, high-density materials that strongly attenuate photons. Due to the differences in interaction mechanisms, neutron radiography is highly effective in imaging details inside such objects. To obtain a high intensity neutron source suitable for neutron imaging a 9-MeV linear accelerator is being evaluated for putting a deuteron beam into a high-pressure deuterium gas cell. As a windowless aperture is needed to transport the beam into the gas cell, a low-emittance is needed to minimize losses along the high-energy beam transport (HEBT) and the end station. A description of the HEBT, the transport optics into the gas cell, and the requirements for the linac will be presented.
Date:
September 21, 2000
Creator:
Rusnak, B & Hall, J
Object Type:
Article
System:
The UNT Digital Library
Adjustable cutting tool holder
This patent application describes a device for varying the geometry of a cutting tool for use in machining operations.
Date:
September 21, 2000
Creator:
Steinhour, William Lee III; West, Drew; Honeycutt, Steve; Frank, Steven & Krishnamurthy, Kallutla
Object Type:
Patent
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 125, No. 17, Ed. 1 Thursday, September 21, 2000
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
September 21, 2000
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
Altus Times (Altus, Okla.), Vol. 101, No. 165, Ed. 1 Thursday, September 21, 2000
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 21, 2000
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Analytical Chemistry at the Interface Between Materials Science and Biology
None
Date:
September 21, 2000
Creator:
O'Brien, J. C.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Appropriations for FY2001: Treasury, Postal Service, Executive Office of the President, and General Government
Appropriations are one part of a complex federal budget process that includes budget resolutions, appropriations (regular, supplemental, and continuing) bills, rescissions, and budget reconciliation bills. This report is a guide to one of the 13 regular appropriations bills that Congress passes each year. It is designed to supplement the information provided by the House and Senate Appropriations Subcommittees on Treasury, Postal Service, and General Government.
Date:
September 21, 2000
Creator:
Gressle, Sharon S.
Object Type:
Report
System:
The UNT Digital Library
Archer County News (Archer City, Tex.), No. 38, Ed. 1 Thursday, September 21, 2000
Weekly newspaper from Archer City, Texas that includes local, state, and national news along with advertising.
Date:
September 21, 2000
Creator:
Lewis, Shelley
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 78, No. 300, Ed. 1 Thursday, September 21, 2000
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
September 21, 2000
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
Beam position monitor
An apparatus for determining the position of an x-ray beam relative to a desired beam axis where the apparatus is positioned along the beam path so that a thin metal foil target intersects the x-ray beam generating fluorescent radiation. A PIN diode array is positioned so that a portion of the fluorescent radiation is intercepted by the array resulting in a series of electrical signals from the PIN diodes making up the array. The signals are then analyzed and the position of the x-ray beam is determined relative to the desired beam path.
Date:
September 21, 2000
Creator:
Alkire, Randy W.; Rosenbaum, Gerold & Evans, Gwyndaf
Object Type:
Patent
System:
The UNT Digital Library
BEHAVIOUR OF IMPLANTED XENON IN YTTRIA-STABILISED ZIRCONIA AS INERT MATRIX OF A NUCLEAR FUEL
None
Date:
September 21, 2000
Creator:
GEGUELDRE, C.; POUCHON, M.; M. Do,Paul & AL., ET.
Object Type:
Article
System:
The UNT Digital Library
Bogata News (Bogata, Tex.), Vol. 90, No. 19, Ed. 1 Thursday, September 21, 2000
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
September 21, 2000
Creator:
Nichols, Nanalee & Nichols, Thomas
Object Type:
Newspaper
System:
The Portal to Texas History
Brand (Abilene, Tex.), Vol. 88, No. 3, Ed. 1, Thursday, September 21, 2000
Weekly student newspaper from Hardin-Simmons University in Abilene, Texas that includes local, state and campus news along with advertising.
Date:
September 21, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Calculation of the Aluminosilicate Half-Life Formation Time in the 2H Evaporator
The 2H Evaporator contains large quantities of aluminosilicate solids deposited on internal fixtures. The proposed cleaning operations will dissolve the solids in nitric acid. Operations will then neutralize the waste prior to transfer to a waste tank. Combining recent calculations of heat transfer for the 2H Evaporator cleaning operations and laboratory experiments for dissolution of solid samples from the pot, the authors estimated the re-formation rate for aluminosilicates during cooling. The results indicate a half-life formation of 17 hours when evaporator solution cools from 60 degrees C and 9 hours when cooled from 90 degrees C.
Date:
September 21, 2000
Creator:
Fondeur, F. F.
Object Type:
Report
System:
The UNT Digital Library
The Canadian Record (Canadian, Tex.), Vol. 110, No. 38, Ed. 1 Thursday, September 21, 2000
Weekly newspaper from Canadian, Texas that includes local, state and national news along with extensive advertising.
Date:
September 21, 2000
Creator:
Ezzell, Nancy & Brown, Laurie Ezzell
Object Type:
Newspaper
System:
The Portal to Texas History
Cherokeean/Herald (Rusk, Tex.), Vol. 151, No. 31, Ed. 1 Thursday, September 21, 2000
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
September 21, 2000
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
China's Economic Conditions
China’s economy continues to be a concern to U.S. policymakers. On the one hand, China’s economic growth presents huge opportunities for U.S. exporters. On the other hand, the surge in Chinese exports to the United States has put competitive pressures on many U.S. industries. Many U.S. policymakers have argued that greater efforts should be made to pressure China to fully implement its WTO commitments and to change various economic policies deemed harmful to U.S. economic interests, such as its currency peg and its use of subsidies to support its SOEs. In addition, recent bids by Chinese state-owned firms to purchase various U.S. firms have raised concerns among Members over the impact such acquisitions could have on U.S. national and economic security.
Date:
September 21, 2000
Creator:
Morrison, Wayne M.
Object Type:
Report
System:
The UNT Digital Library
The Colony Courier-Leader (The Colony, Tex.), Vol. 19, No. 32, Ed. 1 Thursday, September 21, 2000
Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.
Date:
September 21, 2000
Creator:
Newsom, Tommy
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 20, Ed. 1 Thursday, September 21, 2000
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
September 21, 2000
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
[Communications Plan for the Transforming Education Through the Arts Challenge]
A document outlining the comprehensive communications plan crafted by Steege/Thomson Communications for the National Arts Education Consortium's Transforming Education Through the Arts Challenge. It includes a strategic framework encompassing goals, identified target audiences, potential messaging, and overarching strategies.
Date:
September 21, 2000
Creator:
unknown
Object Type:
None
System:
The UNT Digital Library
COMPARISON BETWEEN RADIATION DAMAGE ACCUMULATION IN OXIDES WITH PYROCHLORE AND FLUORITE STRUCTURES
None
Date:
September 21, 2000
Creator:
SICKAFUS, K. E.; MINNERVINI, L. & AL, ET.
Object Type:
Article
System:
The UNT Digital Library
Computer and Centrifuge Modeling of Decoupled Explosions in Civilian Tunnels
None
Date:
September 21, 2000
Creator:
Preece, D. S.; Weatherby, J. R.; Blanchat, T. K.; Davie, N. T.; Calderone, J. J.; Togami, T. C. et al.
Object Type:
Article
System:
The UNT Digital Library
Crystalline Phase Separation in Phosphate Containing Waste Glasses: Relevance to INEEL HAW
As part of the Tanks Focus Area's (TFA) effort to increase waste loading for high-level waste vitrification at various facilities in the Department of Energy (DOE) complex, the occurrence of phase separation in waste glasses spanning the Savannah River Site (SRS) and Idaho National Engineering and Environmental Laboratory (INEEL) composition ranges have been studied. The type of phase separation that occurs in the phosphate rich borosilicate waste glasses, such as those investigated for INEEL, crystallizes upon cooling. This type of phase separation mechanism is less well studied than amorphous phase separation in phosphate poor borosilicate waste glasses. Therefore, the type of phase separation, extent, and impact of phase separation on glass durability for a series of INEEL-type glasses were examined and the data statistically analyzed in this study.
Date:
September 21, 2000
Creator:
Jantzen, Carol M.; Brown, K. G.; Pickett, J. B. & Ritzhaupt, G. L.
Object Type:
Report
System:
The UNT Digital Library
Drying Results of K-Basin Damaged/Corroded SNF Internal Sludge and Surface Coating
Experiments were performed using a thermogravimetric analysis (TGA) system by Pacific Northwest National Laboratory (PNNL)to study the drying behavior of the K-Basin spent nuclear fuel (SNF) internal sludge and two different surface coatings of SNF elements. These measurements were conducted in support of the safety and process analyses of the proposed Integrated Process Strategy (IPS) to move the N-Reactor fuel stored at K-Basin to an interim storage facility. These limited experiments on the corrosion products of K-Basin SNF material were part of the broad studies performed to ascertain the bounding pressurization of the Multi-Canister Overpack (MCO). Seven SNF internal sludge samples taken from different damage regions of three damaged/corroded outer K-Basin SNF elements were dried. Additionally, two surface coating samples taken from two SNF elements stored at K-West were tested. All the tests were performed in a vacuum atmosphere with the same temperature ramp rate of about 0.4 C/ min. Each TGA test sample was weighed before and after the test on a balance located in the Shielded Analytical Laboratory hot cell. The test samples were vacuum dried in the TGA system for about 24 hours prior to heating them at the rate of 0.4 C/min. The observations from the …
Date:
September 21, 2000
Creator:
Abrefah, J.; Alexander, D. L. & Marschman, S. C.
Object Type:
Report
System:
The UNT Digital Library
The Dublin Citizen (Dublin, Tex.), Vol. 11, No. 4, Ed. 1 Thursday, September 21, 2000
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
September 21, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History