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open access

[Letter from UNT Health Science Board of Regents, to Harold M. Williams, December 3, 1993]

Description: Photocopy of a letter from the University of North Texas Health Science Center Board of Regents, chairman Jerry Farrington, vice chair E.L. Langley, W. David Bayless, Sr., R.L Crawford, Jr., Nancy Halbreich, Joe Kirven, Lucille G. Murchison, Don Rives and Topsy Wright to Harold M. Williams, President and Chief Executive Officer of the J. Paul Getty Trust. In regards to the Board of Regents wanting to let Williams known how much they appreciate the continued support of the Getty Trust towards th… more
Date: December 3, 1993
Creator: Farrington, Jerry
Partner: UNT Libraries Special Collections
open access

The reaction of hydroperoxy-propyl radicals with molecular oxygen

Description: Addition of hydroperoxy-alkyl radicals to molecular oxygen leads to chain branching in autoignition and engine knock, and in low temperature oxidation of paraffins. Rate constants and product channels for reaction of hydroperoxy-propyl radicals with O{sub 2} are estimated using thermodynamic properties, bimolecular quantum Kassel analysis and transition state theory. Thermochemistry of relevant molecules and radicals is estimated using group additivity and bond dissociation groups for radicals.… more
Date: December 3, 1993
Creator: Bozzelli, J. W. & Pitz, W. J.
Partner: UNT Libraries Government Documents Department
open access

Search for the top quark in the electron-electron and electron-muon channels at D0

Description: We discuss preliminary results of a search for top quarks using their decays in two di-lepton, with the D0 detector at Fermilab. The present analysis has been optimized to search for a top with mass near 100{sub c{sup 2}}/{sup GeV}, consistent with published limits. In the event sample corresponding to an integrated luminosity of 15pb{sup {minus}1} we observe two events passing all selection cuts. The number of events observed is consistent with the expected number of background events. Consequ… more
Date: December 3, 1993
Creator: Fatyga, M. & Collaboration, The D0
Partner: UNT Libraries Government Documents Department
open access

A new comprehensive reaction mechanism for combustion of hydrocarbon fuels

Description: A chemical kinetic model has been developed which describes pyrolysis, ignition and oxidation of many small hydrocarbon fuels over a wide range of experimental conditions. Fuels include carbon monoxide and hydrogen, methane and other alkane species up to n-butane, ethylene, propene, acetylene, and oxygenated species such as methanol, acetaldehyde and ethanol. Formation of some larger intermediate and product species including benzene, butadiene, large olefins, and cyclopentadiene has been treat… more
Date: December 3, 1993
Creator: Ranzi, E.; Sogaro, A.; Gaffuri, P.; Pennati, G.; Westbrook, C. K. & Pitz, W. J.
Partner: UNT Libraries Government Documents Department
open access

A comparison between direct spark ignition and prechamber ignition in an internal combustion engine

Description: We simulated the flow field and flame propagation near top dead center in a generic large-bore internal combustion engine using the COYOTE computer program, which is based on the full Navier-Stokes equations for a fluid mixture. The combustion chamber is a right circular cylinder, and the main charge is uniformly premixed. The calculations are axisymmetric. The results illustrate the differences in flow patterns, flame propagation, and thermal NO production between ignition with a spark plug an… more
Date: December 3, 1993
Creator: Cloutman, L. D.
Partner: UNT Libraries Government Documents Department
open access

SRTC criticality safety technical review of SRT-CMA-930039

Description: Review of SRT-CMA-930039, ``Nuclear Criticality Safety Evaluation (NCSE): DWPF Melter-Batch 1,`` December 1, 1993, has been performed by the Savannah River Technical Center (SRTC) Applied Physics Group. The NCSE is a criticality assessment of the Melt Cell in the DWPF. Additionally, this pertains only to Batch 1 operation, which differs from batches to follow. Plans for subsequent batch operations call for fissile material in the Salt Cell feed-stream, which necessitates a separate criticality … more
Date: December 3, 1993
Creator: Rathbun, R.
Partner: UNT Libraries Government Documents Department
open access

Effects of natural gas composition on ignition delay under diesel conditions

Description: Effects of variations in natural gas composition on autoignition of natural gas under direct-injection (DI) diesel engine conditions were studied experimentally in a constant-volume combustion vessel and computationally using a chemical kinetic model. Four fuel blends were investigated: pure methane, a capacity weighted mean natural gas, a high ethane content natural gas, and a natural gas with added propane typical of peak shaving conditions. Experimentally measured ignition delays were longes… more
Date: December 3, 1993
Creator: Naber, J. D.; Siebers, D. L.; Di Julio, S. S. & Westbrook, C. K.
Partner: UNT Libraries Government Documents Department
open access

Scaling 2XIIB impurity radiation to BPNS

Description: In this paper the author computes the radiative power losses which would be expected from the beam-plasma neutron source, which is proposed as a neutron source for doing accelerated end-of-life testing of fusion reactor materials. The source is based on a high density tritium target, bombarded with a deuterium beam of energy 120 to 150 keV. Oxygen was observed to be a major source of power loss for beam injection into the 2XIIB device, and the author considers that problem here. Oxygen impuriti… more
Date: December 3, 1993
Creator: Molvik, A. W.
Partner: UNT Libraries Government Documents Department
open access

National Synchrotron Light Source operations policies, operational safety limits and policy upgrades. Revision

Description: The National Synchrotron Light Source Safety Analysis Reports (1),(2),(3), BNL reports {number_sign}51584, {number_sign}52205 and {number_sign}52205 (addendum) describe the basic Environmental Safety and Health issues associated with the department`s operations. They include the operating envelope for the Storage Rings and also the rest of the facility. These documents contain the operational limits as perceived prior or during construction of the facility, much of which still are appropriate f… more
Date: December 3, 1993
Creator: Batchelor, K.
Partner: UNT Libraries Government Documents Department
captions transcript

[News Clip: Storm Damage]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, covering a news story about storm damage in Wise County. This footage was broadcast at 1pm.
Date: December 3, 1993
Duration: 27 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Cirelli Interview]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: December 3, 1993, 10:00 p.m.
Duration: 2 minutes 06 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Baby Aaron]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: December 3, 1993, 10:00 p.m.
Duration: 51 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
captions transcript

[Math Lecture, 1]

Description: A video of a math teacher giving a lesson in front of a class in a classroom.
Date: December 3, 1993
Duration: 31 minutes 19 seconds
Creator: University of North Texas. Center for Media Production.
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Grinch]

Description: B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: December 3, 1993, 5:00 p.m.
Duration: 1 minute 05 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Grinch]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: December 3, 1993, 6:00 p.m.
Duration: 1 minute 41 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Hampton]

Description: B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: December 3, 1993, 5:00 p.m.
Duration: 52 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: DWI]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: December 3, 1993, 10:00 p.m.
Duration: 2 minutes 03 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Baby Aaron Release]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: December 3, 1993, 5:00 p.m.
Duration: 1 minute 52 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Moberly]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: December 3, 1993, 10:00 p.m.
Duration: 1 minute 05 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
open access

Development and Evaluation of a Mn oxide adsorbent. Quarterly Progress Report: October--December, 1993

Description: This progress report summarizes the work performed for the October-December 1993 period on the development and evaluation of a manganese oxide adsorbent. Most of efforts at the early stage of the project have been directed toward screening and selection of granular activated carbon (GAC) samples for use as the substrate in preparing the composite adsorbent and in the evaluation of the Mn oxide coating on the GAC surface. Tables are provided in this report which summarize GAC characteristics and… more
Date: December 3, 1993
Creator: Anderson, Paul R.
Partner: UNT Libraries Government Documents Department
captions transcript

[News Clip: Busax]

Description: B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: December 3, 1993, 10:00 p.m.
Duration: 43 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Baylor - Pediatric]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: December 3, 1993, 5:00 p.m.
Duration: 38 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Television Violence]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: December 3, 1993, 10:00 p.m.
Duration: 3 minutes 42 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Mickey]

Description: B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: December 3, 1993, 6:00 p.m.
Duration: 59 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
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