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4,359 Matching Results
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Fragmentation of CDF jets: Perturbative or non-perturbative?
Presented are the most recent jet fragmentation results from CDF: inclusive distributions of charged particle momenta and their k{sub T} in jets; average track multiplicities, as well as angular distributions of multiplicity flow, for a wide range of jet energies with E{sub T} from 40 to 300 GeV. The results are compared with Monte-Carlo and, when possible, analytical calculations performed in resumed perturbative QCD approximations (MLLA).
Date:
December 10, 1999
Creator:
Safonov, Alexei N.
Object Type:
Article
System:
The UNT Digital Library
[Funeral Program for Jeffrey Louise Roberson, December 10, 1999]
Funeral program for Jeffrey Louise Roberson, born January 4, 1928 and died December 7, 1999. The funeral was held Friday, December 10, 1999 at Friendship Baptist Church, officiated by Reverend L. A. Williams. Funeral arrangements were made through Lewis Funeral Home and she was buried in Fort Sam Houston National Cemetery near San Antonio, Texas.
Date:
December 10, 1999
Creator:
unknown
Object Type:
Pamphlet
System:
The Portal to Texas History
Grandview Tribune (Grandview, Tex.), Vol. 105, No. 18, Ed. 1 Friday, December 10, 1999
Weekly newspaper from Grandview, Texas that includes local, state, and national news along with advertising.
Date:
December 10, 1999
Creator:
Magness, Jack, Jr.
Object Type:
Newspaper
System:
The Portal to Texas History
High real-space resolution structure of materials by high-energy x-ray diffraction
Results of high-energy synchrotrons radiation experiments are presented demonstrating the advantages of the atomic Pair Distribution Function technique in determining the structure of materials with high resolution.
Date:
December 10, 1999
Creator:
Petkov, V.; Billinge, S. J. L.; Heising, J.; Kanatzidis, M. G.; Shastri, S. & Kycia, S.
Object Type:
Article
System:
The UNT Digital Library
Homeownership: Cancellation and Termination Provisions of the Homeowners Protection Act of 1998
Correspondence issued by the General Accounting Office with an abstract that begins "Pursuant to a legislative requirement, GAO reviewed the Homeowners Protection Act of 1998, focusing on the: (1) act's cancellation and termination provisions for private mortgage insurance; (2) act's high-risk provisions; (3) effect high-risk provisions would have on mortgage lenders; and (4) number and characteristics of residential mortgage loans that are considered high risk and are therefore excluded from the routine cancellation and termination provisions."
Date:
December 10, 1999
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
The Hopkins County Echo (Sulphur Springs, Tex.), Vol. 204, No. 50, Ed. 1 Friday, December 10, 1999
Weekly newspaper from Sulphur Springs, Texas that includes local, state, and national news along with advertising.
Date:
December 10, 1999
Creator:
Keys, Scott & Lamb, Bill
Object Type:
Newspaper
System:
The Portal to Texas History
[Letter from Hector Garcia to Alan Levi, Angela Hights, Donna Davis, Sue Lovell, Joel Lazarine, and others, December 10, 1999]
Letter from Hector Garcia to Alan Levi, Angela Hights, Donna Davis, Sue Lovell, Joel Lazarine, and others discussing an advertisement for the Texas Human Rights Foundation
Date:
December 10, 1999
Creator:
Garcia, Hector
Object Type:
Letter
System:
The Portal to Texas History
Liquid metal extraction of Nd from NdFeB magnet scrap
This research involves using molten magnesium (Mg) to remove neodymium (Nd) from NdFeB magnet scrap by diffusion. The results show that liquid metal extraction of Nd may be a viable and inexpensive method for recovering the expensive rare earth element Nd for use in Mg castings.
Date:
December 10, 1999
Creator:
Xu, Yanchen
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Medicaid and Special Education: Coordination of Services for Children With Disabilities Is Evolving
A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO reviewed the mechanisms of coordination between Medicaid and the Individuals With Disabilities Education Act (IDEA), focusing on: (1) how Medicaid and IDEA interact to meet the needs of low-income school-aged children with disabilities; and (2) issues that have arisen in coordinating Medicaid and IDEA services in schools."
Date:
December 10, 1999
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
The Message, Volume 36, December 10, 1999
Newsletter of Congregation Beth Yeshurun in Houston, including news and events, upcoming services, member announcements, editorials, and other information of interest to congregants.
Date:
December 10, 1999
Creator:
Congregation Beth Yeshurun (Houston, Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Method of Making Steel Strapping and Strip
Fact sheet written for the Inventions and Innovation Program about a new method for making steel strapping and strip from rod stock produced from scrap steel. There is a large movement in the American steel industry to utilize more recycled steel. Recycled steel melted in the electric arc furnaces of mini-mills is being used as the source of raw materials for an increasing number of products, largely due to its lower price. However, conventional processes for producing steel strapping and cold-rolled strip steel restrict manufacturers from using more than 50% recycled steel. In addition, steel strapping and cold-rolled strip steel traditionally require many production steps. They are produced from primary steel that has been cast into slab, heated, rolled to achieve the desired thickness, and slit to the desired width. The slitting process produces microcracks along the edge of the strapping or strip, which reduce tensile strength. A new continuous process produces steel strapping and 1/2 inch to 6 inch strip steel from the rod and strip stock made from scrap steel in mini-mills. The new process creates steel strapping and strip with improved strength and quality due to the absence of microcracks caused by the conventional slitting process. The …
Date:
December 10, 1999
Creator:
unknown
Object Type:
Book
System:
The UNT Digital Library
[News reports: Gay's fight may turn to rights and benefits; Judiciary copped out, says lawsuit partner]
Two news reports describing societal opinions and reactions to the Hawaiian Supreme Court ruling to deny marriage licenses to same-sex couples.
Date:
December 10, 1999
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
The Oak Ridge Heat Pump Models: I. A Steady-State Computer Design Model of Air-to-Air Heat Pumps
The ORNL Heat Pump Design Model is a FORTRAN-IV computer program to predict the steady-state performance of conventional, vapor compression, electrically-driven, air-to-air heat pumps in both heating and cooling modes. This model is intended to serve as an analytical design tool for use by heat pump manufacturers, consulting engineers, research institutions, and universities in studies directed toward the improvement of heat pump performance. The Heat Pump Design Model allows the user to specify: system operating conditions, compressor characteristics, refrigerant flow control devices, fin-and-tube heat exchanger parameters, fan and indoor duct characteristics, and any of ten refrigerants. The model will compute: system capacity and COP (or EER), compressor and fan motor power consumptions, coil outlet air dry- and wet-bulb temperatures, air- and refrigerant-side pressure drops, a summary of the refrigerant-side states throughout the cycle, and overall compressor efficiencies and heat exchanger effectiveness. This report provides thorough documentation of how to use and/or modify the model. This is a revision of an earlier report containing miscellaneous corrections and information on availability and distribution of the model--including an interactive version.
Date:
December 10, 1999
Creator:
Fischer, S.K. Rice, C.K.
Object Type:
Report
System:
The UNT Digital Library
Oil field waste disposal in salt caverns: An information website
Argonne National Laboratory has completed the construction of a Website for the US Department of Energy (DOE) that provides detailed information on salt caverns and their use for disposing of nonhazardous oil field wastes (NOW) and naturally occurring radioactive materials (NORM). Specific topics in the Website include the following: descriptions of salt deposits and salt caverns within the US, salt cavern construction methods, potential types of wastes, waste emplacement, regulatory issues, costs, carcinogenic and noncarcinogenic human health risks associated with postulated cavern release scenarios, new information on cavern disposal (e.g., upcoming meetings, regulatory issues, etc.), other studies supported by the National Petroleum Technology Office (NPTO) (e.g., considerations of site location, cavern stability, development issues, and bedded salt characterization in the Midland Basin), and links to other associated Web sites. In addition, the Website allows downloadable access to reports prepared on the topic that were funded by DOE. Because of the large quantities of NOW and NORM wastes generated annually by the oil industry, information presented on this Website is particularly interesting and valuable to project managers, regulators, and concerned citizens.
Date:
December 10, 1999
Creator:
Tomasko, D. & Veil, J. A.
Object Type:
Article
System:
The UNT Digital Library
The Oklahoma Daily (Norman, Okla.), Vol. 84, No. 77, Ed. 1 Friday, December 10, 1999
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
December 10, 1999
Creator:
Wilmoth, Adam
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 106, No. 241, Ed. 1 Friday, December 10, 1999
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 10, 1999
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Polarized Light Propagation in Biological Tissue and Tissue Phantoms
Imaging through biologic tissue relies on the discrimination of weakly scattered from multiply scattered photons. The degree of polarization can be used as the discrimination criterion by which to reject multiply scattered photons. Polarized light propagation through biologic tissue is typically studied using tissue phantoms consisting of dilute aqueous suspensions of microsphere. We show that, although such phantoms are designed to match the macroscopic scattering properties of tissue (i.e.. the scattering coefficient, {mu}{sub 3}, and scattering anisotropy, g), they do not accurately represent biologic tissue for polarization-sensitive studies. In common tissue phantoms, such as dilute Intralipid and dilute 1-{micro}m-diameter polystyrene microsphere suspensions, we find that linearly polarized light is depolarized more quickly than circularly polarized light. In dense tissue, however, where scatterers are often located in close proximity to one another, circularly polarized light is depolarized similar to or more quickly than linearly polarized light. We also demonstrate that polarized light propagates differently in dilute versus densely packed microsphere suspensions, which may account for the differences seen between polarized light propagation in common dilute tissue phantoms versus dense biologic tissue.
Date:
December 10, 1999
Creator:
Sankaran, V.; Walsh, J.T. & Maitland, D.
Object Type:
Article
System:
The UNT Digital Library
[Press release: Hawaii court puts civil rights for same-sex couples on hold - at least for now]
A press release from the National Gay and Lesbian Task Force about Hawaii's Supreme Court ruling that same-sex marriage would not be legally recognized.
Date:
December 10, 1999
Creator:
National Gay and Lesbian Task Force (U.S.)
Object Type:
Text
System:
The UNT Digital Library
[Press Release: Hawaii Supreme Court Drops Gay Marriage]
Printed email of a press release from the Human Rights Campaign on gay marriage Supreme Court case in Hawaii.
Date:
December 10, 1999
Creator:
Human Rights Campaign
Object Type:
Text
System:
The UNT Digital Library
Public Education: Title I Services Provided to Students With Limited English Proficiency
A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on: (1) how many students with limited English proficiency are being served through targeted and schoolwide Elementary and Secondary Education Act Title I programs; (2) how students with limited English proficiency are being served through targeted and schoolwide Title I programs; (3) how many Title I teachers in schools serving students with limited English proficiency are bilingual or have other specialized training in teaching these students; and (4) what accommodations do states allow for students with limited English proficiency in taking academic assessments, including offering tests in their native language, and to what extent are these students participating in academic assessments."
Date:
December 10, 1999
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Reduced chemical kinetic mechanisms for hydrocarbon fuels
Using CARM (Computer Aided Reduction Method), a computer program that automates the mechanism reduction process, a variety of different reduced chemical kinetic mechanisms for ethylene and n-heptane have been generated. The reduced mechanisms have been compared to detailed chemistry calculations in simple homogeneous reactors and experiments. Reduced mechanisms for combustion of ethylene having as few as 10 species were found to give reasonable agreement with detailed chemistry over a range of stoichiometries and showed significant improvement over currently used global mechanisms. The performance of reduced mechanisms derived from a large detailed mechanism for n-heptane was compared to results from a reduced mechanism derived from a smaller semi-empirical mechanism. The semi-empirical mechanism was advantageous as a starting point for reduction for ignition delay, but not for PSR calculations. Reduced mechanisms with as few as 12 species gave excellent results for n-heptane/air PSR calculations but 16-25 or more species are needed to simulate n-heptane ignition delay.
Date:
December 10, 1999
Creator:
Montgomery, C. J.; Cremer, M. A.; Heap, M. P.; Chen, J. Y.; Westbrook, C. K. & Maurice, L. Q.
Object Type:
Article
System:
The UNT Digital Library
Report on the feasibility study for improving electric motor service centers in Ghana
On March 3 and 4, 1998, a visit was made to Oak Ridge National Laboratory (ORNL) by two officials from Ghana: Mr. I.K. Mintah, Acting Executive Director, Technical Wing, Ministry of Mines and Energy (MOME) and Dr. A.K. Ofosu-Ahenkorah, Coordinator, Energy Efficiency and Conservation Program, MOME. As a result of this visit, Dr. John S. Hsu of ORNL was invited by MOME to visit the Republic of Ghana in order to study the feasibility of improving electric motor service centers in Ghana.
Date:
December 10, 1999
Creator:
Hsu, J.S.; Jallouk, P.A. & Staunton, R.H.
Object Type:
Report
System:
The UNT Digital Library
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 84, No. 75, Ed. 1 Friday, December 10, 1999
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 10, 1999
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
SC driver linac for a rare isotope facility.
An ion linac formed of superconducting rf cavities can provide a multi-beam driver accelerator for the production of nuclei far from stability. A multi-beam driver supports a wide variety of production reactions and methods. This paper outlines a concept for a 1.3 GV linac capable of delivering several hundred kilowatts of uranium beam at an energy of 400 MeV per nucleon. The linac would accelerate the full mass range of ions, and provide higher velocities for the lighter ions, for example 730 MeV for protons. The accelerator will consist of an ECR ion source injecting a normally conducting RFQ and four short IH structures, then feeding an array of more than 400 superconducting cavities of six different types, which range in frequency from 58 to 700 MHz. A novel feature of the linac is the acceleration of beams containing more than one charge state through portions of the linac, in order to maximize beam current for the heavier ions. Such operation is made feasible by the large transverse and longitudinal acceptance provided by the large aperture and high gradient which are characteristic of superconducting rf cavities.
Date:
December 10, 1999
Creator:
Shepard, K. W.; Delayen, J. R.; Lyneis, C. M.; Nolen, J.; Ostroumov, P.; Staples, J. W. et al.
Object Type:
Article
System:
The UNT Digital Library