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18,874 Matching Results
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The RHIC Reference Geometry
None
Date:
August 21, 1992
Creator:
A., Goldman M.
Object Type:
Report
System:
The UNT Digital Library
Test Plan for New SY Farm Annulus Leak Detectors
This document provides a plan for testing a new annulus leak detection device in the annulus of the waste storage tank 241 SY-102.
Date:
August 13, 1999
Creator:
ABUNDO, R.
Object Type:
Report
System:
The UNT Digital Library
[AIDS ARMS Network - affiliate survey]
A copy of a survey created by the AIDS ARMS Network and sent to its affiliate agencies.
Date:
August 28, 1991
Creator:
AIDS ARMS Network, Inc.
Object Type:
Text
System:
The UNT Digital Library
[Notes to financial statements]
A copy of some notes on AIDS ARMS Network's financial statements.
Date:
August 31, 1991
Creator:
AIDS ARMS Network, Inc.
Object Type:
Text
System:
The UNT Digital Library
[Media Release: AIDS Action Council HUD Initiative]
A media release from the AIDS Action Council discussing the U.S. Department of Housing and Urban Development's recent announcement that they would launch a new initiative that would provide federally funded housing for peoples with HIV/AIDS.
Date:
August 12, 1994
Creator:
AIDS Action Council
Object Type:
Text
System:
The UNT Digital Library
[Press Release: Housing and Urban Develpment Secretary Promises AIDS Housing Intiative]
A release from AIDS Action Council discussing the recent U.S. Department of Housing and Urban Development's announcing the federal funding of housing for individuals with HIV/AIDS.
Date:
August 12, 1994
Creator:
AIDS Action Council
Object Type:
Text
System:
The UNT Digital Library
[Press release: New staff members]
Press release announcing the hires of several new staff members to the organization.
Date:
August 20, 1991
Creator:
AIDS Interfaith Network Inc.
Object Type:
Text
System:
The UNT Digital Library
AIDS Update, Volume 5, Number 8, August 1990
Monthly newsletter describing news and events related to the AIDS Resource Center in Dallas, Texas as well as articles, letters, advice columns, and advertisements of interest to subscribers.
Date:
August 1990
Creator:
AIDS Resource Center (Dallas, Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
[Faxed Scan: Seroprevalence of HIV and Risk Behaviors Among Young Homosexual and Bisexual Men]
A fax receipt and a scanned copy of a published study that indicated that HIV infections were increasing among young homosexual and bisexual men.
Date:
August 23, 1994
Creator:
AIDS Service of Dallas
Object Type:
Text
System:
The UNT Digital Library
A Numerical Feasibility Study of Three-Component Induction Logging for Three Dimensional Imaging About a Single Borehole
A theoretical analysis has been completed for a proposed induction logging tool designed to yield data which are used to generate three dimensional images of the region surrounding a well bore. The proposed tool consists of three mutually orthogonal magnetic dipole sources and multiple 3 component magnetic field receivers offset at different distances from the source. The initial study employs sensitivity functions which are derived by applying the Born Approximation to the integral equation that governs the magnetic fields generated by a magnetic dipole source located within an inhomogeneous medium. The analysis has shown that the standard coaxial configuration, where the magnetic moments of both the source and the receiver are aligned with the axis of the well bore, offers the greatest depth of sensitivity away from the borehole compared to any other source-receiver combination. In addition this configuration offers the best signal-to-noise characteristics. Due to the cylindrically symmetric nature of the tool sensitivity about the borehole, the data generated by this configuration can only be interpreted in terms of a two-dimensional cylindrical model. For a fill 3D interpretation the two radial components of the magnetic field that are orthogonal to each other must be measured. Coil configurations where both …
Date:
August 1, 1999
Creator:
ALUMBAUGH, DAVID L. & WILT, MICHAEL J.
Object Type:
Report
System:
The UNT Digital Library
[Press Release: ATAC Washington, D.C.]
A press release from the AIDS Treatment Activist Conference promoting their second annual conference taking place in Washington, D.C.
Date:
August 16, 1991
Creator:
ATAC
Object Type:
Text
System:
The UNT Digital Library
The Effects of Raising Grandchildren on the Marital Satisfaction, Life Satisfaction, and Parenting Stress of Grandparents
This study examined the relationship among the variables of marital satisfaction, life satisfaction, and parenting stress of grandparents raising grandchildren and whether the sources and levels of marital satisfaction, life satisfaction, and parenting stress differed among grandparents raising grandchildren and grandparents not raising grandchildren.
Date:
August 1992
Creator:
Aaron, Larry M. (Larry Marion)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Oak Ridge Isotope Products and Services - Current and Expected Supply and Demand
Oak Ridge National Laboratory (ORNL) has been a major center of isotope production research, development, and distribution for over 50 years. Currently, the major isotope production activities include (1) the production of transuranium element radioisotopes, including 252 Cf; (2) the production of medical and industrial radioisotopes; (3) maintenance and expansion of the capabilities for production of enriched stable isotopes; and, (4) preparation of a wide range of custom-order chemical and physical forms of isotope products, particularly in accelerator physics research. The recent supply of and demand for isotope products and services in these areas, research and development (R&D), and the capabilities for future supply are described in more detail below. The keys to continuing the supply of these important products and services are the maintenance, improvement, and potential expansion of specialized facilities, including (1) the High Flux Isotope Reactor (HFIR), (2) the Radiochemical Engineering Development Center (REDC) and Radiochemical Development Laboratory (RDL) hot cell facilities, (3) the electromagnetic calutron mass separators and the plasma separation process equipment for isotope enrichment, and (4) the Isotope Research Materials Laboratory (IRML) equipment for preparation of specialized chemical and physical forms of isotope products. The status and plans for these ORNL isotope production facilities …
Date:
August 29, 1999
Creator:
Aaron, W. S.; Alexander, C. W.; Cline, R. L.; Collins, E. D.; Klein, J. A.; Knauer, J. B., Jr. et al.
Object Type:
Article
System:
The UNT Digital Library
Approaches to large scale unsaturated flow in heterogeneous, stratified, and fractured geologic media
This report develops a broad review and assessment of quantitative modeling approaches and data requirements for large-scale subsurface flow in radioactive waste geologic repository. The data review includes discussions of controlled field experiments, existing contamination sites, and site-specific hydrogeologic conditions at Yucca Mountain. Local-scale constitutive models for the unsaturated hydrodynamic properties of geologic media are analyzed, with particular emphasis on the effect of structural characteristics of the medium. The report further reviews and analyzes large-scale hydrogeologic spatial variability from aquifer data, unsaturated soil data, and fracture network data gathered from the literature. Finally, various modeling strategies toward large-scale flow simulations are assessed, including direct high-resolution simulation, and coarse-scale simulation based on auxiliary hydrodynamic models such as single equivalent continuum and dual-porosity continuum. The roles of anisotropy, fracturing, and broad-band spatial variability are emphasized. 252 refs.
Date:
August 1, 1991
Creator:
Ababou, R.
Object Type:
Report
System:
The UNT Digital Library
Results from a search for a neutral Scalar produced in association with a W boson in p pbar collisions at squareroot s = 1.8 TeV
This paper presents a search for production of a hypothetical heavy particle {ital X} in association with a {ital W} boson. For the search presented here, the kinematics and acceptance are modelled under the assumption that the {ital X} particle has the spin and decay properties of the standard model Higgs boson with the modification that only {ital X} {r_arrow} {ital b}{ital {anti b}} decays are allowed. The {ital W} is required to decay via either the electron or muon mode. The complete D{null} 1992-1995 data set is used. This sample has an integrated luminosity of 100 pb{sup -1} and was taken at a center of mass energy of 1.8 TeV. Limits are placed on the number of associated production events and the production cross section.
Date:
August 1, 1996
Creator:
Abachi, S.
Object Type:
Article
System:
The UNT Digital Library
Search for b {yields} X {mu} {sup +} {mu} {sup -} and B {sup 0} {yields} {mu} {sup +} {mu} {sup -} decays in p {anti p} Collisions at {radical} s= 1.8 TeV
We have searched for the flavor-changing neutral current decays b {yields} X{mu}{sup +}{mu}{sup -} and B{sup 0} {yields} {mu}{sup +}{mu}{sup -} in p{anti p} collisions at {radical}s = 1.8 TeV with the D0 detector at Fermilab. Using our observed {mu}{sup +}{mu}{sup - } mass spectrum and the measured b production cross section we determine the 90% confidence limit for the branching fraction B(b {yields} s{mu}{sup +}{mu}{sup -}) < 3.6{times}10{sup -5}. For the exclusive, purely leptonic decay B{sup 0} {yields} {mu}{sup +}{mu}{sup -} we obtain a 90% confidence level limit B(B{sup 0} {yields} {mu}{sup +}{mu}{sup -}) < 8.0{times}10{sup -6}. 9 refs., 3 figs.
Date:
August 1, 1996
Creator:
Abachi, S.
Object Type:
Report
System:
The UNT Digital Library
Small angle muon and b-quark production in p pbar collisions at squareroot s = 1.8 TeV
We report on a measurement of small angle muon production (2.4 < {vert_bar}{ital y}{sup {mu}}{vert_bar} < 3.2) in {ital p}{ital {anti p}} collisions at {radical}s = 1.8 TeV with the D{null} detector at Fermilab. We have determined the fraction of the inclusive {mu} cross section in this region due to {ital b}-quark production and decay. Combining this measurement with our previously measured cross section in the central region, we calculate {ital d}{sigma}/{ital dy} for muons from {ital b} decay with {ital p}{sup {mu}}{sub T} > 5 GeV/c and {ital p}{sup {mu}}{sub T} > 8 GeV/c. These measurements are compared to next-to-leading order QCD calculations.
Date:
August 1, 1996
Creator:
Abachi, S.
Object Type:
Article
System:
The UNT Digital Library
Tests of QCD in W and Z production at Tevatron
We present measurements of the production cross sections times leptonic branching fractions and the transverse momentum distributions of W and Z bosons in p{bar p} collisions at {radical}s = 1.8 TeV using data collected with the DO detector at the Fermilab Tevatron p{bar p} collider. A preliminary measurement of the W charge asymmetry is also presented.
Date:
August 1, 1995
Creator:
Abachi, S.
Object Type:
Article
System:
The UNT Digital Library
Hard single diffractive jet production at D0
Preliminary results from the D{null} experiment on jet production with forward rapidity gaps in {ital p{anti p}} collisions are presented. A class of dijet events with a forward rapidity gap is observed at center-of-mass energies {radical}s = 1800 GeV and 630 GeV. The number of events with rapidity gaps at both center-of-mass energies is significantly greater than the expectation from multiplicity fluctuations and is consistent with a hard single diffractive process. A small class of events with two forward gaps and central dijets is also observed at 1800 GeV. This topology is consistent with hard double pomeron exchange.
Date:
August 1, 1996
Creator:
Abachi, S.; Abbott, B. & Abolins, M.
Object Type:
Article
System:
The UNT Digital Library
Color coherent radiation in multijet events from p{bar p} collisions at {radical}s = 1.8 TeV
We report on a study of color coherence effects in p{bar p} collisions based on data collected by the D0 detector during the 1992-1993 run of the Fermilab Tevatron collider at the center of mass energy {radical}s = 1.8 TeV. We demonstrate initial-to-final state color interference effects by measuring spatial correlations between soft and hard jets in multijet events. The data are compared to Monte Carlo simulations with different color coherence implementations and to the predictions of a NLO parton level calculation.
Date:
August 1, 1995
Creator:
Abachi, S.; Ahn, S. & Baldin, B.
Object Type:
Article
System:
The UNT Digital Library
Data Torturing and the Misuse of Statistical Tools
Statistical concepts, methods, and tools are often used in the implementation of statistical thinking. Unfortunately, statistical tools are all too often misused by not applying them in the context of statistical thinking that focuses on processes, variation, and data. The consequences of this misuse may be ''data torturing'' or going beyond reasonable interpretation of the facts due to a misunderstanding of the processes creating the data or the misinterpretation of variability in the data. In the hope of averting future misuse and data torturing, examples are provided where the application of common statistical tools, in the absence of statistical thinking, provides deceptive results by not adequately representing the underlying process and variability. For each of the examples, a discussion is provided on how applying the concepts of statistical thinking may have prevented the data torturing. The lessons learned from these examples will provide an increased awareness of the potential for many statistical methods to mislead and a better understanding of how statistical thinking broadens and increases the effectiveness of statistical tools.
Date:
August 16, 1999
Creator:
Abate, Marcey L.
Object Type:
Article
System:
The UNT Digital Library
Stabilization and/or regeneration of spent sorbents from coal gasification. [Quarterly] technical report, December 1, 1991--February 29, 1992
The objective of this investigation is to determine the effects of SO, partial pressure and reaction temperature on the conversion of sulfide containing solid wastes from coal gasifiers to stable and environmentally acceptable calcium-sulfate, while preventing the release of sulfur dioxide through undesirable side reactions during the stabilization step. An additional objective of this program is to investigate the use of the Spent Sorbent Regeneration Process (SSRP) to regenerate spent limestone, from a fluidized-bed gasifier with in-bed sulfur capture, for recycling to the gasifier. To achieve these objectives, selected samples of partially sulfided sorbents will be reacted with oxygen at a variety of operating conditions under sufficient S0{sub 2} partial pressure to prevent release of sulfur from the solids during stabilization that reduces the overall sorbent utilization. Partially sulfided limestone will also be regenerated with water to produce calcium hydroxide and release sulfur as H{sub 2}S. The regenerated sorbent will be dewatered, dried and pelletized. The reactivity of the regenerated sorbent toward H{sub 2}S will also be determined.
Date:
August 1, 1992
Creator:
Abbasian, J.; Hill, A. H. & Wangerow, J. R.
Object Type:
Report
System:
The UNT Digital Library
Development of novel copper-based sorbents for hot-gas cleanup. [Quarterly] technical report, December 1, 1991--February 29, 1992
The objective of this investigation is to evaluate several novel copper-based binary oxides for their suitability as regenerable sorbents for hot gas cleanup application in the temperature range of 650{degrees} to 850{degrees}C. To achieve this objective, several novel copper-based binary oxide sorbents will be prepared. Experimental tests will be conducted at ambient pressure to determine the stability, sulfidation capacity, regenerability, and sulfidation kinetics of the novel sorbents. Tests will also be conducted at high pressure for the determination of the sulfidation reactivity, regenerability, and durability of the sorbents. The attrition characteristics of the sorbents will also be determined.
Date:
August 1, 1992
Creator:
Abbasian, J.; Hill, A. H.; Wangerow, J. R.; Flytzani-Stephanopoulos, M.; Bo, L. & Patel, C.
Object Type:
Report
System:
The UNT Digital Library
The Impact of Computer Instruction on the Near Transfer and Far Transfer of a General Problem Solving Strategy
The purpose of this study was to examine the impact of computer instruction on the near transfer and far transfer of a means-end analysis problem solving strategy.
Date:
August 1992
Creator:
Abbey, Beverly G. (Beverly Gene)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library