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Advanced Lost Foam Casting Technology
This report describes the research done under the six tasks to improve the process and make it more functional in an industrial environment. Task 1: Pattern Pyrolysis Products and Pattern Properties Task 2: Coating Quality Control Task 3: Fill and Solidification Code Task 4: Alternate Pattern Materials Task 5: Casting Distortion Task 6: Technology Transfer
Date:
November 30, 2000
Creator:
Bates, Charles E.; Littleton, Harry E.; Askeland, Don; Molibog, Taras; Hopper, Jason & Vatankhah, Ben
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 125, No. 27, Ed. 1 Thursday, November 30, 2000
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
November 30, 2000
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
Alkaloid-derived molecules in low rank Argonne premium coals.
Molecules that are probably derived from alkaloids have been found in the extracts of the subbituminous and lignite Argonne Premium Coals. High resolution mass spectrometry (HRMS) and liquid chromatography mass spectrometry (LCMS) have been used to characterize pyridine and supercritical extracts. The supercritical extraction used an approach that has been successful for extracting alkaloids from natural products. The first indication that there might be these natural products in coals was the large number of molecules found containing multiple nitrogen and oxygen heteroatoms. These molecules are much less abundant in bituminous coals and absent in the higher rank coals.
Date:
November 30, 2000
Creator:
Winans, R. E.; Tomczyk, N. A. & Hunt, J. E.
Object Type:
Article
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 101, No. 225, Ed. 1 Thursday, November 30, 2000
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 30, 2000
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
American Federalism, 1776 to 2000: Significant Events
This report consists of American Federalism, 1776 to 2000: Significant Events.
Date:
November 30, 2000
Creator:
Boyd, Eugene
Object Type:
Report
System:
The UNT Digital Library
Archer County News (Archer City, Tex.), No. 48, Ed. 1 Thursday, November 30, 2000
Weekly newspaper from Archer City, Texas that includes local, state, and national news along with advertising.
Date:
November 30, 2000
Creator:
Lewis, Shelley
Object Type:
Newspaper
System:
The Portal to Texas History
Assessment of Reusing 14-ton, Thin-Wall, Depleted UF{sub 6} Cylinders as LLW Disposal Containers
Approximately 700,000 MT of DUF{sub 6} is stored, or will be produced under a current agreement with the USEC, at the Paducah site in Kentucky, Portsmouth site in Ohio, and ETTP site in Tennessee. On July 21, 1998, the 105th Congress approved Public Law 105-204 (Ref; 1), which directed that facilities be built at the Kentucky and Ohio sites to convert DUF{sub 6} to a stable form for disposition. On July 6, 1999, the Department of Energy (DOE) issued the ''Final Plan for the Conversion of Depleted Uranium Hexafluoride as Required by Public Law 105-204 (Ref. 2), in which DOE committed to develop a Depleted Uranium Hexafluoride Materials Use Roadmap''. On September 1, 2000, DOE issued the Draft Depleted Uranium Hexafluoride Materials Use Roadmap (Ref. 3) (Roadmap), which provides alternate paths for the long-term storage, beneficial use, and eventual disposition of each product form and material that will result from the DUF{sub 6} conversion activity. One of the paths being considered for DUF{sub 6} cylinders is to reuse the empty cylinders as containers to transport and dispose of LLW, including the converted DU. The Roadmap provides results of the many alternate uses and disposal paths for conversion products and the …
Date:
November 30, 2000
Creator:
O'Connor, D.G.
Object Type:
Report
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 79, No. 4, Ed. 1 Thursday, November 30, 2000
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
November 30, 2000
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
Bogata News (Bogata, Tex.), Vol. 90, No. 29, Ed. 1 Thursday, November 30, 2000
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
November 30, 2000
Creator:
Nichols, Nanalee & Nichols, Thomas
Object Type:
Newspaper
System:
The Portal to Texas History
The Canadian Record (Canadian, Tex.), Vol. 110, No. 48, Ed. 1 Thursday, November 30, 2000
Weekly newspaper from Canadian, Texas that includes local, state and national news along with extensive advertising.
Date:
November 30, 2000
Creator:
Ezzell, Nancy & Brown, Laurie Ezzell
Object Type:
Newspaper
System:
The Portal to Texas History
CAT Guide and Beamline Directory. A key to APS collaborative access teams.
None
Date:
November 30, 2000
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
CH2M Hill Hanford Group, Inc. Standards and Requirements Identification Document (SRID) Requirements Management System and Requirements Specification
The current Tank Farm Contractor (TFC) for the U. S. Department of Energy, Office of River Protection (ORP), River Protection Project (RPP), CH2M Hill Hanford Group, Inc. (CHG), will use a computer based requirements management system. The system will serve as a tool to assist in identifying, capturing, and maintaining the Standards/Requirements Identification Document (S/RID) requirements and links to implementing procedures and other documents. By managing requirements as one integrated set, CHG will be able to carry out its mission more efficiently and effectively. CHG has chosen the Dynamic Object Oriented Requirements System (DOORS{trademark}) as the preferred computer based requirements management system. Accordingly, the S/RID program will use DOORS{trademark}. DOORS{trademark} will replace the Environmental Requirements Management Interface (ERMI) system as the tool for S/RID data management. The DOORS{trademark} S/RID test project currently resides on the DOORSTM test server. The S/RID project will be migrated to the DOORS{trademark} production server. After the migration the S/RID project will be considered a production project and will no longer reside on the test server.
Date:
November 30, 2000
Creator:
Johnson, A. L.
Object Type:
Report
System:
The UNT Digital Library
Cherokeean/Herald (Rusk, Tex.), Vol. 151, No. 41, Ed. 1 Thursday, November 30, 2000
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
November 30, 2000
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
Cityplace Station Opens December 18
News release about the opening of DART's Cityplace Station, a subway station.
Date:
November 30, 2000
Creator:
Lyons, Morgan
Object Type:
Text
System:
The Portal to Texas History
The Colony Courier-Leader (The Colony, Tex.), Vol. 19, No. 42, Ed. 1 Thursday, November 30, 2000
Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.
Date:
November 30, 2000
Creator:
Reeves, Tim
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 30, Ed. 1 Thursday, November 30, 2000
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
November 30, 2000
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
Combating Terrorism: Federal Response Teams Provide Varied Capabilities; Opportunities Remain to Improve Coordination
A letter report issued by the General Accounting Office with an abstract that begins "Eight federal agencies now have teams that can respond to a terrorist attack involving chemical, biological, radiological, or nuclear weapons. Each team varies in size, structure, geographical scope, and task. The teams do not duplicate one another. They have unique capabilities and functions, and many have experience dealing with different types of agents and weapons. The type of terrorist incident would determine which team would be most appropriate to respond. GAO found that federal agencies lack a coherent framework to develop and evaluate budget requirements for their response teams because there is no national strategy with clearly defined outcomes. To improve interagency cooperation, federal agencies have participated in several group activities. For example, the Weapons of Mass Destruction Interagency Steering Group, led by the Federal Emergency Management Agency, is identifying federal response teams that could respond to different terrorist scenarios. Federal, state, and local agencies have also participated in major field exercises that simulated urban terrorist acts. These efforts could go a long way toward improving the operational coordination of federal response teams."
Date:
November 30, 2000
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Comparison of Advanced Distillation Control Methods, Final Technical Report
Detailed dynamic simulations of three industrial distillation columns (a propylene/propane splitter, a xylene/toluene column, and a depropanizer) have been used to evaluate configuration selections for single-ended and dual-composition control, as well as to compare conventional and advanced control approaches. In addition, a simulator of a main fractionator was used to compare the control performance of conventional and advanced control. For each case considered, the controllers were tuned by using setpoint changes and tested using feed composition upsets. Proportional Integral (PI) control performance was used to evaluate the configuration selection problem. For single ended control, the energy balance configuration was found to yield the best performance. For dual composition control, nine configurations were considered. It was determined that the use of dynamic simulations is required in order to identify the optimum configuration from among the nine possible choices. The optimum configurations were used to evaluate the relative control performance of conventional PI controllers, MPC (Model Predictive Control), PMBC (Process Model-Based Control), and ANN (Artificial Neural Networks) control. It was determined that MPC works best when one product is much more important than the other, while PI was superior when both products were equally important. PMBC and ANN were not found to …
Date:
November 30, 2000
Creator:
Riggs, James B.
Object Type:
Report
System:
The UNT Digital Library
Comparison of AMOS computer code wakefield real part impedances with analytic results
We have performed eleven AMOS (Azimuthal Mode Simulator)[1] code runs with a simple, right circular cylindrical accelerating cavity inserted into a circular, cylindrical, lossless beam pipe to calculate the real part of the n = 1(dipole) transverse wakefield impedance of this structure. We have compared this wakefield impedance in units of ohms/m(Wm) over the frequency range of 0-1 GHz to analytic predictions from Equation (2.3.8) of Briggs et al[2]. The results from Equation (2.3.8) were converted from the CGS units of statohms to the MKS units of ohms({Omega}) and then multiplied by (2{pi}f)/c = {Omega}/c = 2{pi}/{lambda}, where f is the frequency in Hz, c is the speed of light in vacuum in m/sec, {omega} is the angular frequency in radians/sec, and {lambda} is the wavelength in m. The dipole transverse wakefield impedance written to file from AMOS must be multiplied by c/o to convert it from units of {Omega}/m to units of {Omega}. The agreement between the AMOS runs and the analytic predictions are excellent for computational grids with square cells (dz = dr) and good for grids with rectangular cells (dz < dr). The quantity dz is the fixed-size axial grid spacing, and dr is the fixed-size radial …
Date:
November 30, 2000
Creator:
Mayhall, D J & Nelson, S D
Object Type:
Report
System:
The UNT Digital Library
Consequences of the Ruling by the 11th Circuit Court of Appeals on Forest Management Projects
Correspondence issued by the General Accounting Office with an abstract that begins "The decision by the United States Court of Appeals for the 11th Circuit resulted in the Forest Service's suspending or maintaining the suspension of 49 projects within Georgia's Chattahoochee-Oconee National Forests--11 for contracted timber sales and 27 for vegetative management actions. The decision did not result in the suspension of projects in other national forests in Alabama and Florida. According to Forest Service officials and other stakeholders, the decision has had various consequences for timber sales and vegetative management projects in the Chattahoochee-Oconee National Forests. In some cases, such as the suspended timber sale projects, the consequences could be quantified in terms of monetary claims against the Forest Service and reduced receipts to local communities. In other cases, such as the suspended vegetative management projects, the consequences are more qualitative. According to Forest Service officials, the suspensions affected the Forest Service's ability to control for wildfires, sedimentation, and southern pine beetle infestations; to protect endangered species; and to ensure habitat diversity. Although the environmental group that filed the lawsuit against the Forest Service could not provide any data on the consequences of the suspended timber sales and vegetative …
Date:
November 30, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Daily Journal (Perry, Okla.), Vol. 107, No. 235, Ed. 1 Thursday, November 30, 2000
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 30, 2000
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Data Qualification Report: PRecipitation and Surface Geology Data for Use on the Yucca Mountain Project
The unqualified data addressed in this qualification report have been cited in an Analysis Model Report (AMR) to support the Site Recommendation in determining the suitability of Yucca Mountain as a repository for high-level radioactive waste. The unqualified data include precipitation volumes and surface geology maps The precipitation data consist of daily precipitation volumes measured at Yucca Mountain. The surface geology data include identification of the types and surface expressions of geologic units and associated structural features such as faults. These data were directly used in AMR U0010, Simulation of Net Infiltration for Modern and Potential Future Climates, ANL-NBS-HS-000032 (Hevesi et al. 2000), to estimate net infiltration into Yucca Mountain. This report evaluates the unqualified data within the context of supporting studies of this type for the Yucca Mountain Site Characterization Project (YMP). The purpose of this report is to identify data that can be cited as qualified for use in technical products to support the YMP Site Recommendation and that may also be used to support the License Application. The qualified data may either be retained in the original Data Tracking Number (DTN) or placed in new DTNs generated as a result of the evaluation. The appropriateness and limitations …
Date:
November 30, 2000
Creator:
Wilson, C.
Object Type:
Report
System:
The UNT Digital Library
A distributed application server for automatic differentiation.
The ADIC Application Server brings the accuracy and efficiency of automatic differentiation to the World Wide Web. Users of the ADIC Application Server can upload source code written in ANSI-C, manage remote files, differentiate selected functions, and download code augmented with derivative computations. Using a simple driver and linking to the appropriate libraries, the user can compile and run the differentiated code locally. We discuss the unique requirements for an automatic differentiation application server and describe the implementation of the ADIC Application Server.
Date:
November 30, 2000
Creator:
Norris, B. & Hovland, P. D.
Object Type:
Article
System:
The UNT Digital Library
The Dublin Citizen (Dublin, Tex.), Vol. 11, No. 14, Ed. 1 Thursday, November 30, 2000
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
November 30, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History