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164 Matching Results
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Intelligent Monitoring System With High Temperature Distributed Fiberoptic Sensor For Power Plant Combustion Processes
The objective of the proposed work is to develop an intelligent distributed fiber optical sensor system for real-time monitoring of high temperature in a boiler furnace in power plants. Of particular interest is the estimation of spatial and temporal distributions of high temperatures within a boiler furnace, which will be essential in assessing and controlling the mechanisms that form and remove pollutants at the source, such as NOx. The basic approach in developing the proposed sensor system is three fold: (1) development of high temperature distributed fiber optical sensor capable of measuring temperatures greater than 2000 C degree with spatial resolution of less than 1 cm; (2) development of distributed parameter system (DPS) models to map the three-dimensional (3D) temperature distribution for the furnace; and (3) development of an intelligent monitoring system for real-time monitoring of the 3D boiler temperature distribution. Under Task 1, we set up a dedicated high power, ultrafast laser system for fabricating in-fiber gratings in harsh environment optical fibers, successfully fabricated gratings in single crystal sapphire fibers by the high power laser system, and developed highly sensitive long period gratings (lpg) by electric arc. Under Task 2, relevant mathematical modeling studies of NOx formation in practical …
Date:
December 26, 2005
Creator:
Lee, Kwang Y.; Yin, Stuart S. & Boheman, Andre
Object Type:
Report
System:
The UNT Digital Library
Mineralization of Radioactive Wastes by Fluidized Bed Steam Reforming (FBSR): Comparisons to Vitreous Waste Forms, and Pertinent Durability Testing
The Savannah River National Laboratory (SRNL) was requested to generate a document for the Washington State Department of Ecology and the U.S. Environmental Protection Agency that would cover the following topics: (1) A description of the mineral structures produced by Fluidized Bed Steam Reforming (FBSR) of Hanford type Low Activity Waste (LAW including LAWR which is LAW melter recycle waste) waste, especially the cage structured minerals and how they are formed. (2) How the cage structured minerals contain some contaminants, while others become part of the mineral structure (Note that all contaminants become part of the mineral structure and this will be described in the subsequent sections of this report). (3) Possible contaminant release mechanisms from the mineral structures. (4) Appropriate analyses to evaluate these release mechanisms. (5) Why the appropriate analyses are comparable to the existing Hanford glass dataset. In order to discuss the mineral structures and how they bond contaminants a brief description of the structures of both mineral (ceramic) and vitreous waste forms will be given to show their similarities. By demonstrating the similarities of mineral and vitreous waste forms on atomic level, the contaminant release mechanisms of the crystalline (mineral) and amorphous (glass) waste forms can …
Date:
December 26, 2008
Creator:
Jantzen, Carol M.
Object Type:
Report
System:
The UNT Digital Library
Implementing Graph Pattern Queries on a Relational Database
When a graph database is implemented on top of a relational database, queries in the graph query language are translated into relational SQL queries. Graph pattern queries are an important feature of a graph query language. Translating graph pattern queries into single SQL statements results in very poor query performance. By taking into account the pattern query structure and generating multiple SQL statements, pattern query performance can be dramatically improved. The performance problems encountered with the single SQL statements generated for pattern queries reflects a problem in the SQL query planner and optimizer. Addressing this problem would allow relational databases to better support semantic graph databases. Relational database systems that provide good support for graph databases may also be more flexible platforms for data warehouses.
Date:
December 26, 2007
Creator:
Kaplan, I L; Abdulla, G M; Brugger, S T & Kohn, S R
Object Type:
Report
System:
The UNT Digital Library
Greensheet (Houston, Tex.), Vol. 39, No. 562, Ed. 1 Friday, December 26, 2008
Free weekly newspaper that includes business and classified advertising.
Date:
December 26, 2008
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 37, No. 554, Ed. 1 Tuesday, December 26, 2006
Free weekly newspaper that includes business and classified advertising.
Date:
December 26, 2006
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 38, No. 558, Ed. 1 Wednesday, December 26, 2007
Free weekly newspaper that includes business and classified advertising.
Date:
December 26, 2007
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 39, No. 564, Ed. 1 Friday, December 26, 2008
Free weekly newspaper that includes business and classified advertising.
Date:
December 26, 2008
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
[Domestic Nonprofit Corportation Certificate of Dissolution]
Photocopy of the form completed by Jeannette Goodrum to dissolve the Women Airforce Service Pilots WWII as a nonprofit corporation in the state of California. A sticky note attached to the form includes a handwritten message stating, "It is finally finished. Hope you are well - and your husband also. Jan."
Date:
December 26, 2008
Creator:
California. Secretary of State
Object Type:
Text
System:
The Portal to Texas History
Cherokeean Herald (Rusk, Tex.), Vol. 158, No. 44, Ed. 1 Wednesday, December 26, 2007
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
December 26, 2007
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
Dallas Voice (Dallas, Tex.), Vol. 25, No. 32, Ed. 1 Friday, December 26, 2008
Weekly newspaper from Dallas, Texas that includes local, state, and national news and advertising of interest to the Lesbian, Gay, Bisexual, and Transgender (LGBT) community.
Date:
December 26, 2008
Creator:
Nash, Tammye
Object Type:
Newspaper
System:
The UNT Digital Library
The Bastrop Advertiser (Bastrop, Tex.), Vol. 156, No. 86, Ed. 1 Saturday, December 26, 2009
Semi-weekly newspaper from Bastrop, Texas that includes local, state and national news along with advertising.
Date:
December 26, 2009
Creator:
Wright, Cyndi
Object Type:
Newspaper
System:
The Portal to Texas History
[Funeral Program for Essie Jean Miller, December 26, 2007]
Funeral program for Essie Jean Miller, born November 13, 1956 and died December 18, 2007. The funeral was held December 26, 2007 at New Light Baptist Church, officiated by Reverend J. S. Smith. Funeral arrangements were made through Lewis Funeral Home.
Date:
December 26, 2007
Creator:
unknown
Object Type:
Pamphlet
System:
The Portal to Texas History
Democracy Promotion: Cornerstone of U.S. Foreign Policy?
This report contains a summary on democracy. This report provides an overview of the promotion of Democracy and the U.S. government's activities to promote democracy.
Date:
December 26, 2007
Creator:
Epstein, Susan B.; Serafino, Nina M. & Miko, Francis T.
Object Type:
Report
System:
The UNT Digital Library
Public Printing Reform: Issues and Actions
None
Date:
December 26, 2002
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Proliferation Control Regimes: Background and Status
None
Date:
December 26, 2006
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Supplemental Security Income (SSI): Accounts Not Counted As Resources
None
Date:
December 26, 2006
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Trends in U.S. Global AIDS Spending: FY2000-FY2007
None
Date:
December 26, 2006
Creator:
Salaam-Blyther, Tiaji
Object Type:
Report
System:
The UNT Digital Library
[Email from Mike Agan to multiple recipients about officers]
Email from Mike Agan to multiple recipients on December 26, 2009 discussing Stonewall Democrats of Collin County 2010 officers.
Date:
December 26, 2009
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Greensheet (Houston, Tex.), Vol. 39, No. 563, Ed. 1 Friday, December 26, 2008
Free weekly newspaper that includes business and classified advertising.
Date:
December 26, 2008
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Greensheet (Dallas, Tex.), Vol. 31, No. 260, Ed. 1 Wednesday, December 26, 2007
Free weekly newspaper that includes business and classified advertising.
Date:
December 26, 2007
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Kootenai River Fisheries Investigation : Stock Status of Burbot : Project Progress Report 2008 Annual Report.
Objectives of this investigation were to (1) monitor the population status and recruitment of burbot Lota lota in the Kootenai River, Idaho and British Columbia, Canada during the winter of 2006-2007; (2) evaluate the selective withdrawal system in place at Libby Dam to maintain the river temperature near Bonners Ferry between 1-4 C (November-December) to improve burbot migration and spawning activity; and (3) determine if a hatching success of 10% of eyed burbot embryos could be achieved through extensive rearing and produce fingerlings averaging 9.8 cm in six months. Water temperature did not fall below the upper limit (4 C) until mid-January but was usually maintained between 1-4 C January through February and was acceptable. Snowpack was characterized by a 101% of normal January runoff forecast. Adult burbot were sampled with hoop nets and slat traps. Only three burbot were captured in hoop nets, all at Ambush Rock (rkm 244.5). No burbot were caught in either slat traps or juvenile sampling gear, indicating the population is nearly extirpated. Burbot catch per unit effort in hoop nets was 0.003 fish/net d. Extensive rearing was moved to a smaller private pond and will be reported in the 2008-2009 annual report.
Date:
December 26, 2008
Creator:
Paragamian, Valughn L. & C., Laude Dorothy
Object Type:
Report
System:
The UNT Digital Library
Institute for Multiscale Modeling of Biological Interactions
The Institute for Multiscale Modeling of Biological Interactions (IMMBI) has two primary goals: Foster interdisciplinary collaborations among faculty and their research laboratories that will lead to novel applications of multiscale simulation and modeling methods in the biological sciences and engineering; and Building on the unique biophysical/biology-based engineering foundations of the participating faculty, train scientists and engineers to apply computational methods that collectively span multiple time and length scales of biological organization. The success of IMMBI will be defined by the following: Size and quality of the applicant pool for pre-doctoral and post-doctoral fellows; Academic performance; Quality of the pre-doctoral and post-doctoral research; Impact of the research broadly and to the DOE (ASCR program) mission; Distinction of the next career step for pre-doctoral and post-doctoral fellows; and Faculty collaborations that result from IMMBI activities. Specific details about accomplishments during the three years of DOE support for IMMBI have been documented in Annual Progress Reports (April 2005, June 2006, and March 2007) and a Report for a National Academy of Sciences Review (October 2005) that were submitted to DOE on the dates indicated. An overview of these accomplishments is provided.
Date:
December 26, 2009
Creator:
Paulaitis, Michael E.; Garcia-Moreno, Bertrand & Lenhoff, Abraham
Object Type:
Report
System:
The UNT Digital Library
PROBABILISTIC ASSESSMENT OF A CRITICALITY IN A WASTE CONTAINER AT SRS
Transuranic solid waste that has been generated as a result of the production of nuclear material for the United States defense program at the Savannah River Site (SRS) has been stored in more than 30,000 55-gallon drums and various size carbon steel boxes since 1953. Nearly two thirds of those containers have been processed and shipped to the Waste Isolation Pilot Plant. Among the containers assayed so far, the results indicate several drums with fissile inventories significantly higher (600-1000 grams {sup 239}Pu) than their original assigned values. While part of this discrepancy can be attributed to the past limited assay capabilities, human errors are believed to be the primary contributor. This paper summarizes an assessment of the probability of occurrence of a criticality accident during handling of the remaining transuranic waste containers at SRS.
Date:
December 26, 2006
Creator:
Eghbali, D
Object Type:
Article
System:
The UNT Digital Library
Polk County Enterprise (Livingston, Tex.), Vol. 122, No. 104, Ed. 1 Sunday, December 26, 2004
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
December 26, 2004
Creator:
White, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History