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366 Matching Results
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Air sealing; seal air leaks and save energy!: Office of Building Technology, State and Community Programs (BTS) Technology fact sheet
Technology fact sheet on sealing air leaks to save energy in your home.
Date:
February 16, 2000
Creator:
unknown
Object Type:
Book
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 100, No. 284, Ed. 1 Wednesday, February 16, 2000
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 16, 2000
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Alvin Advertiser (Alvin, Tex.), Ed. 1 Wednesday, February 16, 2000
Weekly newspaper from Alvin, Texas that includes local, state, and national news along with advertising.
Date:
February 16, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Atmospheric Radiation Measurement Program Facilities Newsletter, January 2000
Monthly newsletter discussing news and activities related to the Atmospheric Radiation Measurement Program, articles about weather and atmospheric phenomena, and other related topics.
Date:
February 16, 2000
Creator:
Atmospheric Radiation Measurement Program (U.S.)
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Attic access: Office of Building Technology, State and Community Programs (BTS) fact sheet
Technology fact sheet on installing insulation coverage and air sealing for the access between living space and the unconditioned attic.
Date:
February 16, 2000
Creator:
unknown
Object Type:
Book
System:
The UNT Digital Library
Automated approach for the identification of functionally-relevant small molecule inhibitors
Radiation induces the formation of DNA damages via direct ionization or through the production of reactive oxygen intermediates that chemically modify DNA. Radiation is thought to elicit its cytotoxicity by inducing the formation of lethal DNA damage, including modified bases, baseless sites and strand breaks. To avert the deleterious effects of radiation and chromosomal modifications, cells are equipped with DNA repair systems and cellular responses that function to amend genetic imperfections and to prevent the replication of damaged DNA. The focus of this proposal is to develop a novel, function-based technology for isolating inhibitors of proteins involved in radiation-protection. Such inhibitor molecules represent potential radiosensitizing agents, which could be used to increase the biological effectiveness of a given radiation dose in anti-cancer treatment schemes. This project combines unique laboratory expertise in robotics, computational modeling, combinatorial chemistry, and DNA repair enzymology from the Biology & Biotechnology Research Program and the Chemistry and Material Science Directorate. The screening technique will utilize a simple flow-based filter system operated by robotics. Commercial laboratory instrumentation and automation are available for creating a nearly hands-off system for inhibitor molecule screening. Specifically, a general purpose dispensing instrument (i.e. the Packard Multiprobe II), using opaque, filter-backed microtiter plates, …
Date:
February 16, 2000
Creator:
Wilson, D. M., III
Object Type:
Report
System:
The UNT Digital Library
Automated Synthesis of Highly Concentrated Re-188-MAG3 for Intracoronary Radiation Therapy
None
Date:
February 16, 2000
Creator:
Oh, S.; Moon, D.; Park, S.-W.; Hong, M.-K.; Park, S.-J.; Knapp, F.F. et al.
Object Type:
Article
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 78, No. 93, Ed. 1 Wednesday, February 16, 2000
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
February 16, 2000
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
The Castle Project
The goal of the Castle project was to provide a parallel programming environment that enables the construction of high performance applications that run portably across many platforms. The authors approach was to design and implement a multilayered architecture, with higher levels building on lower ones to ensure portability, but with care taken not to introduce abstractions that sacrifice performance.
Date:
February 16, 2000
Creator:
Anderson, Tom; Culler, David; Demmel, James; Feldman, Jerry; Graham, Susan; Hilfinger, Paul et al.
Object Type:
Report
System:
The UNT Digital Library
The Clifton Record (Clifton, Tex.), Vol. 105, No. 13, Ed. 1 Wednesday, February 16, 2000
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
February 16, 2000
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Collegian (Hurst, Tex.), Vol. 12, No. 19, Ed. 1 Wednesday, February 16, 2000
Weekly student newspaper published in Hurst, Texas and serving the Tarrant County College District that includes school news and information along with advertising.
Date:
February 16, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Comparison of Variability of the Monthly Mean Temperature of the ECMWF and NCEP Reanalyses and CCM3 and DSM Simulations
The low frequency variation in the three dimensional air temperature fields of two reanalyses and two model simulations are described. The data sets used are the monthly mean temperature fields for the NCAR Climate Simulation Model (CSM, Boville and Gent, 1998) 300 year run, a NCAR Community Climate Model version 3 (CCM3, Kiehl et al., 1998) AMIP type simulation, and the NCEPLNCAR and ECMWF (ERA) reanalysis data sets. The variances and correlations are computed for the anomalies from the annual cycle for each data set. In general the reanalyses and models agree fairly well on the structure of the temperature variance. The models tend to have too much variance at the surface compared to the reanalyses. The CSM's poor simulation of the SST in the eastern Pacific leads to a much reduced variance in the Nino3 region. The enhanced variability over land appears to affect the midlatitude simulation of the CSM in that the higher surface variability extends off the east coast of continents. This is not evident in CCM3 and reanalyses where the SSTs are prescribed. At 200 hPa the CCM3 and reanalyses all evince the dumb bell pattern straddling the Equator in the eastern Pacific attributed by Yulaeva …
Date:
February 16, 2000
Creator:
Boyle, J.S.
Object Type:
Report
System:
The UNT Digital Library
Defining, expressing, and using context in a simulation environment
Reuse and interoperability are two keywords in the mantra of the modeling and simulation community. In order to achieve these goals, one must be able to capture, express, and manage the context of individual entities, models, and applications. Capturing the context requires having a thorough understanding of what the entity, model, or application was intended to do and is able to do. While many aspects of context are not easily expressible in a format or language that could be understood and managed in a simulation environment, there are some aspects that can be and the authors discuss how these aspects can be represented in a generalized object-oriented framework.
Date:
February 16, 2000
Creator:
Hummel, J. R. & Christiansen, J. H.
Object Type:
Article
System:
The UNT Digital Library
Design and performance of nitride-based UV LEDs
In this paper, the authors overview several of the critical materials growth, design and performance issues for nitride-based UV (< 400 nm) LEDs. The critical issue of optical efficiency is presented through temperature-dependent photoluminescence studies of various UV active regions. These studies demonstrate enhanced optical efficiencies for active regions with In-containing alloys (InGaN, AlInGaN). The authors discuss the trade-off between the challenging growth of high Al containing alloys (AlGaN, AlGaInN), and the need for sufficient carrier confinement in UV heterostructures. Carrier leakage for various composition AlGaN barriers is examined through a calculation of the total unconfined carrier density in the quantum well system. They compare the performance of two distinct UV LED structures: GaN/AlGaN quantum well LEDs for {lambda}< 360 nm emission, and InGaN/AlGaInN quantum well LEDs for 370 nm <{lambda}< 390 nm emission.
Date:
February 16, 2000
Creator:
Crawford, Mary H.; Han, Jung; Chow, Weng W.; Banas, Michael Anthony; Figiel, Jeffery J.; Zhang, Lei et al.
Object Type:
Article
System:
The UNT Digital Library
DOD Personnel: Inadequate Personnel Security Investigations Pose National Security Risks
Testimony issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO discussed the Defense Security Service's (DSS) personnel security investigations, focusing on the: (1) completeness and timeliness of the agency's investigations; and (2) factors that contributed to the deficiencies GAO found."
Date:
February 16, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Environmental Assessment for Leasing Land for the Siting, Construction and Operation of a Commercial AM Radio Antenna at Los Alamos National Laboratory, Los Alamos, NM
The United States (U.S.) Department of Energy (DOE) proposes to lease approximately 3 acres of land at the Los Alamos National Laboratory (LANL) on the southeast tip of Technical Area (TA) 54 for the siting, construction and operation of an AM radio broadcasting antenna. This Environmental Assessment (EA) has been developed in order to assess the environmental effects of the Proposed Action and No Action alternative. The Proposed Action includes the lease of land for the siting, construction and operation of an AM radio broadcasting antenna in TA-54, just north of Pajarito Road and State Highway 4. The No Action Alternative was also considered. Under the No Action Alternative, DOE would not lease land on LANL property for the siting and operation of an AM radio broadcasting antenna; the DOE would not have a local station for emergency response use; and the land would continue to be covered in native vegetation and serve as a health and safety buffer zone for TA-54 waste management activities. Other potential sites on LANL property were evaluated but dismissed for reasons such as interference with sensitive laboratory experiments. Potential visual, health, and environmental effects are anticipated to be minimal for the Proposed Action. The …
Date:
February 16, 2000
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Environmental Management Performance Report for December 1999
The purpose of the Environmental Management Performance Report (EMPR) is to provide the Department of Energy Richland Operations Office's (DOE-RL's) report of Hanford's Environmental Management (EM) performance by: U. S. Department of Energy, Richland Operations Office, Project Hanford Management Contract (PHMC) through Fluor Hanford, Inc. (FHI) and its subcontractors, Environmental Restoration Contract through Bechtel Hanford, Inc. (BHI), and its subcontractors, and Pacific Northwest National Laboratories (PNNL) for EM and EM Science and Technology (S&T) Mission. This report is a monthly publication that summarizes EM Site performance under RL Operations Office. It is organized by the four sections listed above, with each section containing an Executive Summary and Area Performance Summaries. A listing of what is contained in the sections can be found in the Table of Contents.
Date:
February 16, 2000
Creator:
EDER, D.M.
Object Type:
Report
System:
The UNT Digital Library
Estimates of Particulate Mass in Multi Canister Overpacks (MCO)
High, best estimate, and low values are developed for particulate inventories within MCO baskets that have been loaded with freshly cleaned fuel assemblies and scrap. These per-basket estimates are then applied to all anticipated MCO payload configurations to identify which configurations are bounding for each type of particulate. Finally the resulting bounding and nominal values for residual particulates are combined with corresponding values [from other documents] for particulates that may be generated by corrosion of exposed uranium after the fuel has been cleaned. The resulting rounded nominal estimate for a typical MCO after 40 years of storage is 8 kg. The estimate for a bounding total particulate case MCO is that it may contain up to 64 kg of particulate after 40 years of storage.
Date:
February 16, 2000
Creator:
Sloughter, J. P.
Object Type:
Report
System:
The UNT Digital Library
Experimental methods and data analysis for fluctuation microscopy
The authors have developed a new electron microscopy technique called fluctuation microscopy which is sensitive to medium-range order in disordered materials. The technique relies on quantitative statistical analysis of low-resolution dark-field electron micrographs. Extracting useful information from such micrographs involves correcting for the effects of the imaging system, incoherent image contrast caused by large scale structure in the sample, and the effects of the foil thickness.
Date:
February 16, 2000
Creator:
Voyles, P. M.; Treacy, M. M. J.; Gibson, J. M.; Jin, H.-C. & Abelson, J. R.
Object Type:
Article
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Wednesday, February 16, 2000
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 16, 2000
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Factors controlling satiated relative permeability in a partially-saturated horizontal fracture
Recent work demonstrates that phase displacements within horizontal fractures large with respect to the spatial correlation length of the aperture field lead to a satiated condition that constrains the relative permeability to be less than one. The authors use effective media theory to develop a conceptual model for satiated relative permeability, then compare predictions to existing experimental measurements, and numerical solutions of the Reynolds equation on the measured aperture field within the flowing phase. The close agreement among all results and data show that for the experiments considered here, in-plane tortuosity induced by the entrapped phase is the dominant factor controlling satiated relative permeability. They also find that for this data set, each factor in the conceptual model displays an approximate power law dependence on the satiated saturation of the fracture.
Date:
February 16, 2000
Creator:
Nicholl, M. J.; Rajaram, H. & Glass Jr.,Robert J.
Object Type:
Article
System:
The UNT Digital Library
Forest Service: Status of Efforts to Improve Accountability
Testimony issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO discussed the status of efforts by the Forest Service to achieve accountability for the tax dollars appropriated to carry out its mission, focusing on: (1) actions the agency has taken to improve its financial and performance accountability; (2) the remaining hurdles to those improvements; and (3) strategies the agency is developing to address these hurdles."
Date:
February 16, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Functional characterization of dna repair proteins
Genetic material (DNA) is susceptible to spontaneous decomposition, to attack by reactive chemicals produced naturally in cells, and to assault by environmental and food mutagens. DNA modifications can lead to permanent genetic changes that promote human disease. To combat the deleterious effects of DNA damage, organisms are equipped with DNA repair systems. The focus of our investigations has been to elucidate the details of mammalian DNA repair. These studies have provided important insights into the relationship of DNA repair to human disease and the genetic factors that contribute to individual susceptibility to the harmful effects of environmental mutagens (e.g. ionizing radiation), and have established a framework for designing more effective anti-cancer treatment schemes. To investigate questions related to DNA repair, its mechanism(s) and linkage to disease development, the authors are employing an array of molecular, cellular, biochemical and structural approaches. These complementary experimental techniques have permitted a detailed analysis into various processes of human DNA repair.
Date:
February 16, 2000
Creator:
Wilson, D. M., III
Object Type:
Report
System:
The UNT Digital Library
Generic Test Plan for Solubility Screening Tests of Hanford Tank Waste
Waste pretreatment and immobilization requires the tank waste to be retrieved. Retrieval from tanks may require dilution. This test determines the effects of dilution on the mass of solids and their composition. This test plan gives test instructions, example data sheets, a waste compatibility review, and a waste stream fact sheet.
Date:
February 16, 2000
Creator:
PERSON, J.C.
Object Type:
Report
System:
The UNT Digital Library