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96,358 Matching Results

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Results: 1 - 24 of 96,358 next
Best Match Title Creator Date Created (Newest) Date Created (Oldest) Date Added (Newest) Date Added (Oldest)
[Photograph 2012.201.TP0392.0999]

[Photograph 2012.201.TP0392.0999]

Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date: August 10, 1981
Creator: 3rd Party
Object Type: Photograph
System: The Gateway to Oklahoma History
[Officer Effectiveness Reports] (open access)

[Officer Effectiveness Reports]

Memo from 6161st Air Base Wing Headquarters containing eight sections pertaining to leadership for military officers. "1st Lt. Wakeham" is handwritten in top right corner of the first page, and few notes are handwritten on the back.
Date: November 10, 1952
Creator: 6161st Air Base Wing Headquarters
Object Type: Text
System: The Portal to Texas History
[Photograph 2012.201.B0053.0651]

[Photograph 2012.201.B0053.0651]

Photograph taken for a story in the Oklahoma City Times newspaper. Caption: "BIG WHEELS from a semi-trailer truck caused this damage Friday at a TG&Y Store at 1429 SW 29."
Date: August 10, 1962
Creator: ?, John E.
Object Type: Photograph
System: The Gateway to Oklahoma History
Focal Plane Metrology for the LSST Camera (open access)

Focal Plane Metrology for the LSST Camera

Meeting the science goals for the Large Synoptic Survey Telescope (LSST) translates into a demanding set of imaging performance requirements for the optical system over a wide (3.5{sup o}) field of view. In turn, meeting those imaging requirements necessitates maintaining precise control of the focal plane surface (10 {micro}m P-V) over the entire field of view (640 mm diameter) at the operating temperature (T {approx} -100 C) and over the operational elevation angle range. We briefly describe the hierarchical design approach for the LSST Camera focal plane and the baseline design for assembling the flat focal plane at room temperature. Preliminary results of gravity load and thermal distortion calculations are provided, and early metrological verification of candidate materials under cold thermal conditions are presented. A detailed, generalized method for stitching together sparse metrology data originating from differential, non-contact metrological data acquisition spanning multiple (non-continuous) sensor surfaces making up the focal plane, is described and demonstrated. Finally, we describe some in situ alignment verification alternatives, some of which may be integrated into the camera's focal plane.
Date: January 10, 2007
Creator: A Rasmussen, Andrew P.; Hale, Layton; Kim, Peter; Lee, Eric; Perl, Martin; Schindler, Rafe et al.
Object Type: Article
System: The UNT Digital Library
Edge Turbulence Velocity Changes with Lithium Coating on NSTX (open access)

Edge Turbulence Velocity Changes with Lithium Coating on NSTX

Lithium coating improves energy confinement and eliminates edge localized modes in NSTX, but the mechanism of this improvement is not yet well understood. We used the gas-puff-imaging (GPI) diagnostic on NSTX to measure the changes in edge turbulence which occurred during a scan with variable lithium wall coating, in order to help understand the reason for the confinement improvement with lithium. There was a small increase in the edge turbulence poloidal velocity and a decrease in the poloidal velocity fluctuation level with increased lithium. The possible effect of varying edge neutral density on turbulence damping was evaluated for these cases in NSTX. __________________________________________________
Date: August 10, 2012
Creator: A. Cao, S.J. Zweben, D.P. Stotler, M. Bell, A. Diallo, S.M. Kaye and B. LeBlanc
Object Type: Report
System: The UNT Digital Library
Famous Well by Lake Pinto

Famous Well by Lake Pinto

Photograph of a brick building with three columns holding up an overhang. To the left of this building is a tin building with "Famous Well" written on a plank beside its door. Trees cover a rocky hill behind the buildings.
Date: January 10, 1919
Creator: A. F. Weaver Photography
Object Type: Photograph
System: The Portal to Texas History
[Invoice for Shirts and Monograms Sent to J. R. Bertig] (open access)

[Invoice for Shirts and Monograms Sent to J. R. Bertig]

Invoice for items sent to J. R. Bertig by A. Sulka & Company, including 2 shirts and 2 monograms worth $74.2. Written paid with check on January 20th, 1950.
Date: December 10, 1949
Creator: A. Sulka & Company
Object Type: Text
System: The Portal to Texas History
Potential for luminosity improvement for low-energy RHIC operation with long bunches (open access)

Potential for luminosity improvement for low-energy RHIC operation with long bunches

Electron cooling was proposed to increase luminosity of the RHIC collider for heavy ion beams at low energies. Luminosity decreases as the square of bunch intensity due to the beam loss from the RF bucket as a result of the longitudinal intra beam scattering (IBS), as well as due to the transverse emittance growth because of the transverse IBS. Both transverse and longitudinal IBS can be counteracted with electron cooling. This would allow one to keep the initial peak luminosity close to constant throughout the store essentially without the beam loss. In addition, the phase-space density of the hadron beams can be further increased by providing stronger electron cooling. Unfortunately, the defining limitation for low energies in RHIC is expected to be the space charge. Here we explore an idea of additional improvement in luminosity, on top of the one coming from just IBS compensation and longer stores, which may be expected if one can operate with longer bunches at the space-charge limit in a collider. This approach together with electron cooling may result in about 10-fold improvement in total luminosity for low-energy RHIC program.
Date: February 10, 2012
Creator: A., Fedotov; Blaskiewicz&#44 & M.
Object Type: Report
System: The UNT Digital Library
[Postcard from Laura A. to Mr. Will L. Hinkle, February 10, 1903]

[Postcard from Laura A. to Mr. Will L. Hinkle, February 10, 1903]

Postcard from Laura A. to Mr. Will L. Hinkle, discussing her return from a trip, Mr. Hinkle fulfilling an unnamed promise, and the weather in Boerne. The image on the front of the postcard is a view of the exterior of the Phillip Hotel, a two-story stone and wood house with two wings, and a wood and wire fence surrounding. There are long porches along the first and second stories, and windows along each floor. The back of an open buggy is visible at the left of the photo, with a dark-colored, short-furred dog standing to the front and right of it.
Date: February 10, 1903
Creator: A., Laura
Object Type: Postcard
System: The Portal to Texas History
[Photograph 2012.201.B1198.0170]

[Photograph 2012.201.B1198.0170]

Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "The prototype space shuttle, Enterprise, flies over New York City Friday on it's return trip from Europe."
Date: June 10, 1983
Creator: AJP
Object Type: Photograph
System: The Gateway to Oklahoma History
SUMMARY REPORT DIRECT PUSH TECHNOLOGY BOREHOLES FOR GEOPHYSICAL LOGGING 200-IS-1 OPERABLE UNIT FY2008 (open access)

SUMMARY REPORT DIRECT PUSH TECHNOLOGY BOREHOLES FOR GEOPHYSICAL LOGGING 200-IS-1 OPERABLE UNIT FY2008

None
Date: February 10, 2009
Creator: AK, LEE
Object Type: Report
System: The UNT Digital Library
Prediction of Coal ash leaching behavior in acid mine water, comparison of laboratory and field studies (open access)

Prediction of Coal ash leaching behavior in acid mine water, comparison of laboratory and field studies

Strongly alkaline fluidized bed combustion ash is commonly used to control acid mine drainage in West Virginia coal mines. Objectives include acid neutralization and immobilization of the primary AMD pollutants: iron, aluminum and manganese. The process has been successful in controlling AMD though doubts remain regarding mobilization of other toxic elements present in the ash. In addition, AMD contains many toxic elements in low concentrations. And, each mine produces AMD of widely varying quality. So, predicting the effect of a particular ash on a given coal mine's drainage quality is of particular interest. In this chapter we compare the results of a site-specific ash leaching procedure with two large-scale field applications of FBC ash. The results suggested a high degree of predictability for roughly half of the 25 chemical parameters and poor predictability for the remainder. Of these, seven parameters were successfully predicted on both sites: acidity, Al, B, Ba, Fe, Ni and Zn while electrical conductivity, Ca, Cd, SO4, Pb and Sb were not successfully predicted on either site. Trends for the remaining elements: As, Ag, Be, Cu, Cr, Hg, Mg, Mn, pH, Se Tl and V were successfully predicted on one but not both mine sites.
Date: January 10, 2005
Creator: ANNA, KNOX
Object Type: Report
System: The UNT Digital Library
[Photograph 2012.201.B0239.0673]

[Photograph 2012.201.B0239.0673]

Photograph taken for a story in the Oklahoma Times newspaper. Caption: "is the mystery shrouding the disappearance of wealthy brewery executive Adolph Coors III."
Date: February 10, 1960
Creator: AP Airephoto
Object Type: Photograph
System: The Gateway to Oklahoma History
Luminosity Determination in pp Collisions at sqrt(s)=7 TeV Using the ATLAS Detector at the LHC (open access)

Luminosity Determination in pp Collisions at sqrt(s)=7 TeV Using the ATLAS Detector at the LHC

None
Date: June 10, 2013
Creator: Aad, Georges
Object Type: Article
System: The UNT Digital Library
Environmental tests of the Meteorological Data Acquisition system's remote station (open access)

Environmental tests of the Meteorological Data Acquisition system's remote station

We subjected the Meteorological Data Acquisition (MEDA) remote station hardware to temperature, vibration, and road tests. The MEDA equipment was designed at the Lawrence Livermore Laboratory (LLL) for the Air Resources Laboratory (ARL). ARL supplied all MEDA sensors. The prototype system passed these tests.
Date: May 10, 1976
Creator: Aaron, Jr., C. C.
Object Type: Report
System: The UNT Digital Library
[Studies of non-linear dynamics of dissipative systems]. [Final report, April 1, 1988--October 31, 1989] (open access)

[Studies of non-linear dynamics of dissipative systems]. [Final report, April 1, 1988--October 31, 1989]

In the period of this grant I worked on three main areas: (1) Symmetries in inviscid flow equations in one, two, and three dimensions and related nonlinear stability theorems for these flows; (2) applications of Hamiltonian mechanics to the problems of shallow water equations and internal wave dynamics in oceanic flows; and, (3) analysis of signals from chaotic systems with an eye toward learning how to build models of chaotic systems in nature.
Date: September 10, 1990
Creator: Abarbanel, D. I.
Object Type: Report
System: The UNT Digital Library
(Studies of non-linear dynamics of dissipative systems) (open access)

(Studies of non-linear dynamics of dissipative systems)

In the period of this grant I worked on three main areas: (1) Symmetries in inviscid flow equations in one, two, and three dimensions and related nonlinear stability theorems for these flows; (2) applications of Hamiltonian mechanics to the problems of shallow water equations and internal wave dynamics in oceanic flows; and, (3) analysis of signals from chaotic systems with an eye toward learning how to build models of chaotic systems in nature.
Date: September 10, 1990
Creator: Abarbanel, D.I.
Object Type: Report
System: The UNT Digital Library
[Letter from G. Abaunza, Jr. to Harris Leon Kempner, October 10, 1962] (open access)

[Letter from G. Abaunza, Jr. to Harris Leon Kempner, October 10, 1962]

Letter from G. Abaunza, Jr. to Harris Leon Kempner enclosing the two photostatic copies of special Chinese dish for Mrs. Kempner since she enjoys it so much.
Date: October 10, 1962
Creator: Abaunza, G., Jr.
Object Type: Letter
System: The Portal to Texas History
Radiative higgs boson decays H {yields} f{anti f}{gamma} (open access)

Radiative higgs boson decays H {yields} f{anti f}{gamma}

Higgs boson radiative decays of the form H {r_arrow} f{ovr f}{gamma} are calculated in the Standard Model using the complete one-loop expressions for the decay amplitudes. Contributions to the radiative width from leptons and light quarks are given. We also present e{ovr e} invariant mass distributions for H {r_arrow} e{ovr e}{gamma}, which illustrate the importance of the photon pole contribution and the effects of the box diagrams. 4 refs., 6 figs.
Date: October 10, 1996
Creator: Abbasabadi, A.; Bowser-Chao, D.; Repko, W.W. & Dicus, D.A.
Object Type: Report
System: The UNT Digital Library
A Preliminary measurement of the gluon splitting rate into b\bar{b} pairs in hadronic Z0 decays (open access)

A Preliminary measurement of the gluon splitting rate into b\bar{b} pairs in hadronic Z0 decays

We present a measurement of the rate of gluon splitting into bottom quarks, g --> b anti-b, in hadronic Z<sup>0</sup> decays collected by SLD from 1996 to 1998. The analysis was performed by looking for secondary bottom production in 4-jet events of any primary avor. A topological vertex mass technique was used to tag the two jets with the smallest angle between them as b/anti-b. We obtained a rate of g --> b anti-b per hadronic event to be (3.07 ± 0.71(stat:) ± 0.66(syst:)) × 10&sup3; (preliminary).
Date: June 10, 1999
Creator: Abe, Toshinori
Object Type: Report
System: The UNT Digital Library
Electric Reliability: Options for Electric Transmission Infrastructure Improvements (open access)

Electric Reliability: Options for Electric Transmission Infrastructure Improvements

The electric utility industry is inherently capital intensive. At the same time, the industry must operate under a changing and sometimes unpredictable regulatory system at both the federal and state level. The Energy Policy Act of 2005 has set in place government activities intended to relieve congestion on the transmission system. Several factors have contributed to the lack of new transmission capacity; these are outlined within this report. This report also discusses earlier pieces of energy legislation.
Date: June 10, 2005
Creator: Abel, Amy
Object Type: Report
System: The UNT Digital Library
Electricity: The Road Toward Restructuring (open access)

Electricity: The Road Toward Restructuring

This report talks about Electricity regulation and transmission issues. It also includes the history of the California Electricity Crisis.
Date: August 10, 2004
Creator: Abel, Amy
Object Type: Report
System: The UNT Digital Library
[RE: Attached Letter and Invitation List] (open access)

[RE: Attached Letter and Invitation List]

Photocopy of a memo from Julie Abel, program associate at the Getty Center for Education in the Arts, to the Regional and California Institute Directors. The memo is in regards to an attached letter and invitation list of invitees to the regional funder's meeting, October 9th, 1993. The letter, dated August 9, 1993, is from Vicki Rosenberg, program officer of the Getty Center for Education in the Arts, to Bob Crow, executive director of the Amon G. Carter Foundation, inviting him to the meeting. The Center is hosting the meeting to recognize the partnerships that have grown over the past five years. Another letter, dated the same and also from Vicki Rosenberg is present, but addressed to Mark Constantine, consultant at Jessie Ball duPont Fund and has the same invitation.
Date: August 10, 1993
Creator: Abel, Julie
Object Type: Letter
System: The UNT Digital Library
[RE: Attached Letter and Invitation List] (open access)

[RE: Attached Letter and Invitation List]

Photocopy of a memo from Julie Abel, program associate at the Getty Center for Education in the Arts, to the Regional and California Institute Directors. The memo is in regards to an attached letter and invitation list of invitees to the regional funder's meeting, October 9th, 1993. The letter, dated August 9, 1993, is from Vicki Rosenberg, program officer of the Getty Center for Education in the Arts, to Bob Crow, executive director of the Amon G. Carter Foundation, inviting him to the meeting. The Center is hosting the meeting to recognize the partnerships that have grown over the past five years. Another letter, dated the same and also from Vicki Rosenberg is present, but addressed to Mark Constantine, consultant at Jessie Ball duPont Fund and has the same invitation.
Date: August 10, 1993
Creator: Abel, Julie
Object Type: Letter
System: The UNT Digital Library