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E-2 (9-11-14)
Photograph of Noble FD E-2 parked in front of the station.
Date:
September 11, 2014
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[35 Denton Music Festival program]
Program for the 35 Denton music festival March 11-13, 2016. Contains details regarding the performer lineups at participating venues as well as advertisements for various Denton businesses. Cover features artwork by Nevada Hill.
Date:
2016-03-11/2016-03-13
Creator:
unknown
Object Type:
Pamphlet
System:
The UNT Digital Library
50 MW X-BAND RF SYSTEM FOR A PHOTOINJECTOR TEST STATION AT LLNL
In support of X-band photoinjector development efforts at LLNL, a 50 MW test station is being constructed to investigate structure and photocathode optimization for future upgrades. A SLAC XL-4 klystron capable of generating 50 MW, 1.5 microsecond pulses will be the high power RF source for the system. Timing of the laser pulse on the photocathode with the applied RF field places very stringent requirements on phase jitter and drift. To achieve these requirements, the klystron will be powered by a state of the art, solid-state, high voltage modulator. The 50 MW will be divided between the photoinjector and a traveling wave accelerator section. A high power phase shifter is located between the photoinjector and accelerator section to adjust the phasing of the electron bunches with respect to the accelerating field. A variable attenuator is included on the input of the photoinjector. The distribution system including the various x-band components is being designed and constructed. In this paper, we will present the design, layout, and status of the RF system.
Date:
March 11, 2011
Creator:
Marsh, R A; Anderson, S G; Barty, C J; Beer, G K; Cross, R R; Ebbers, C A et al.
Object Type:
Article
System:
The UNT Digital Library
100-N Area Strontium-90 Treatability Demonstration Project: Phytoextraction Along the 100-N Columbia River Riparian Zone – Field Treatability Study
Strontium-90 (90Sr) is present both in the aquifer near the river and in the vadose and riparian zones of the river’s shore at 100-NR-2. Phytoextraction of 90Sr is being considered as a potential remediation system along the riparian zone of the Columbia River. Phytoextraction would employ coyote willow (Salix exigua). Past studies have shown that willow roots share uptake mechanisms for Sr with Ca, a plant macronutrient as well as no discrimination between Sr and 90Sr. Willow 90Sr concentration ratios [CR’s; (pCi 90Sr/g dry wt. of new growth tissue)/(pCi 90Sr/g soil porewater)] were consistently greater than 65 with three-quarters of the assimilated label partitioned into the above ground shoot. Insect herbivore experiments also demonstrated no significant potential for bioaccumulation or food chain transfer from their natural activities. The objectives of this field study were three-fold: (1) to demonstrate that a viable, “managed” plot of coyote willows can be established on the shoreline of the Columbia River that would survive the same microenvironment to be encountered at the 100-NR-2 shoreline; (2) to show through engineered barriers that large and small animal herbivores can be prevented from feeding on these plants; and (3) to show that once established, the plants will provide …
Date:
January 11, 2010
Creator:
Fellows, Robert J.; Fruchter, Jonathan S.; Driver, Crystal J. & Ainsworth, Calvin C.
Object Type:
Report
System:
The UNT Digital Library
T-1025 IU SciBath-768 detector tests in MI-12
This is a memorandum of understanding between the Fermi National Accelerator Laboratory (Fermilab) and the experimenters of Department of Physics and Center for Exploration of Energy and Matter, Indiana University, who have committed to participate in detector tests to be carried out during the 2012 Fermilab Neutrino program. The memorandum is intended solely for the purpose of recording expectations for budget estimates and work allocations for Fermilab, the funding agencies and the participating institutions. it reflects an arrangement that currently is satisfactory to the parties; however, it is recognized and anticipated that changing circumstances of the evolving research program will necessitate revisions. The parties agree to modify this memorandum to reflect such required adjustments. Actual contractual obligations will be set forth in separate documents. The experimenters propsoe to test their prototype 'SciBat-768' detector in the MI-12 building for 3 months (February-April) in Spring 2012. The major goal of this effort is to measure or limit the flux of beam-induced neutrons in a far-off-axis (> 45{sup o}) location of the Booster Neutrino Beamline (BNB). This flux is of interest for a proposed coherent neutral-current neutrino-argon elastic scattering experiment. A second goal is to collect more test data for the SciBath-768 to …
Date:
February 11, 2012
Creator:
Tayloe, Rex; Cooper, R.; Garrison, L.; Thornton, T.; Rebenitsch, L.; DeJongh, Fritz et al.
Object Type:
Report
System:
The UNT Digital Library
[18th Annual Christmas/Kwanzaa Concert]
Video recording from The Black Academy of Arts and Letters recorded during their 18th Annual Christmas/Kwanzaa Concert event in 2010. This video features various holiday performances by youth and adults to celebrate Christmas and Kwanzaa live on the Naomi Bruton Main Stage. The video cuts at 1:17:29 to a news segment.
Date:
December 11, 2010
Creator:
Evans, Tracy
Object Type:
Video
System:
The UNT Digital Library
1940 Seagrave A6780 750 100 GM factory photo
Factory photograph of Woodward FD 1940 Seagrave pumper.
Date:
August 11, 2010
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
2010 IRON-SULFUR ENZYMES GORDON RESEARCH CONFERENCE, JUNE 6-11, 2010
Iron-sulfur (FeS) centers are essential for biology and inspirational in chemistry. These protein cofactors are broadly defined as active sites in which Fe is coordinated by S-donor ligands, often in combination with extra non-protein components, for example, additional metal atoms such as Mo and Ni, and soft ligands such as CN{sup -} and CO. Iron-sulfur centers are inherently air sensitive: they are found in essentially all organisms and it is possible that they were integral components of the earliest forms of life, well before oxygen (O{sub 2}) appeared. Proteins containing FeS cofactors perform a variety of biological functions ranging across electron transfer, acid-base catalysis, and sensing where they are agents for cell regulation through transcription (DNA) or translation (RNA). They are redox catalysts for radical-based reactions and the activation of H{sub 2}, N{sub 2} and CO{sub 2}, processes that offer scientific and economic challenges for industry. Iron-sulfur centers provide the focus for fundamental investigations of chemical bonding, spectroscopy and paramagnetism, and their functions have numerous implications for health and medicine and applications for technology, including renewable energy. The 2010 Iron-Sulfur Enzymes GRC will bring together researchers from different disciplines for in-depth discussions and presentations of the latest developments. There will …
Date:
June 11, 2010
Creator:
Gray, Nancy Ryan
Object Type:
Article
System:
The UNT Digital Library
2010 MULTIPHOTON PROCESSES GORDON RESEARCH CONFERENCE, JUNE 6-11, 2010, TILTON, NH
The Gordon Research Conference on Multiphoton Processes will be held for the 15th time in 2010. The meeting continues to evolve as it embraces both the rapid technological and intellectual growth in the field as well as the multi-disciplinary expertise of the participants. This time the sessions will focus on: (1) Ultrafast coherent control; (2) Free-electron laser experiments and theory; (3) Generation of harmonics and attosecond pulses; (4) Ultrafast imaging; (5) Applications of very high intensity laser fields; (6) Strong-field processes in molecules and solids; (7) Attosecond science; and (8) Controlling light. The scientific program will blur traditional disciplinary boundaries as the presenters and discussion leaders involve chemists, physicists, and optical engineers, representing both experiment and theory. The broad range of expertise and different perspectives of attendees should provide a stimulating and unique environment for solving problems and developing new ideas in this rapidly evolving field.
Date:
June 11, 2010
Creator:
Gaarde, Mette
Object Type:
Article
System:
The UNT Digital Library
2011 Chemical Reactions at Surfaces Gordon Research Conference
The Gordon Research Conference on Chemical Reactions at Surfaces is dedicated to promoting and advancing the fundamental science of interfacial chemistry and physics by providing surface scientists with the foremost venue for presentation and discussion of research occurring at the frontiers of their fields.
Date:
February 11, 2011
Creator:
Stair, Peter
Object Type:
Article
System:
The UNT Digital Library
2011 Community Earth System Model (CESM) Tutorial, August 1-5, 2011
In fiscal year 2011, the Community Earth System Model (CESM) tutorial was taught at NCAR from 1-5 August 2011. This project hosted 79 full participants (1 accepted participant from China couldn't get a visa) selected from 180 applications. The tutorial was advertised through emails to CESM mailing lists. NCAR staff and long-term visitors (who were not eligible to attend) were also invited to 'audit' the climate and practical lectures and to work on the practical sessions on their own. 15 NCAR staff and long-term visitors took advantage of this opportunity. The majority of the students were graduate students, but several post-docs, faculty, and other research scientists also attended. Additionally, many people are using the on-line lessons and practical sessions. As of August 18, 2011, 407 people had registered to access and use the tutorial from 33 countries all over the world, but a majority from US universities. In fiscal year 2011, the Climate and Global Dynamics Division Information Systems Group (CGD/ISG) built and operated a temporary computer laboratory in a meeting room. This project was made possible through funding from the National Science Foundation Directorate of Geosciences, and the Department of Energy Office of Science.
Date:
October 11, 2013
Creator:
Hurrell, James W.
Object Type:
Article
System:
The UNT Digital Library
2011 Computation Directorate Annual Report
From its founding in 1952 until today, Lawrence Livermore National Laboratory (LLNL) has made significant strategic investments to develop high performance computing (HPC) and its application to national security and basic science. Now, 60 years later, the Computation Directorate and its myriad resources and capabilities have become a key enabler for LLNL programs and an integral part of the effort to support our nation's nuclear deterrent and, more broadly, national security. In addition, the technological innovation HPC makes possible is seen as vital to the nation's economic vitality. LLNL, along with other national laboratories, is working to make supercomputing capabilities and expertise available to industry to boost the nation's global competitiveness. LLNL is on the brink of an exciting milestone with the 2012 deployment of Sequoia, the National Nuclear Security Administration's (NNSA's) 20-petaFLOP/s resource that will apply uncertainty quantification to weapons science. Sequoia will bring LLNL's total computing power to more than 23 petaFLOP/s-all brought to bear on basic science and national security needs. The computing systems at LLNL provide game-changing capabilities. Sequoia and other next-generation platforms will enable predictive simulation in the coming decade and leverage industry trends, such as massively parallel and multicore processors, to run petascale applications. …
Date:
April 11, 2012
Creator:
Crawford, D. L.
Object Type:
Report
System:
The UNT Digital Library
The 2015 National Security Strategy: Authorities, Changes, Issues for Congress
This report discusses a number of potential oversight questions raised by a National Security Strategy (NSS) document released by the Obama Administration.
Date:
May 11, 2015
Creator:
Lucas, Nathan J.
Object Type:
Report
System:
The UNT Digital Library
2020 Census: Progress Report on the Census Bureau's Efforts to Contain Enumeration Costs
Testimony issued by the Government Accountability Office with an abstract that begins "In preparing for the 2020 Census, the U.S. Census Bureau (Bureau) has launched several initiatives aimed at organizational transformation, some of which show particular promise. For example, the Bureau is attempting to develop Bureau-wide, or "enterprise," standards, guidance, or tools in areas such as risk management and information technology (IT) investment management to reduce duplicative efforts across the Bureau. Although the Bureau has made progress in these and other areas, if the Bureau is to transform itself to better control costs and deliver an accurate national headcount in 2020, several areas will require continued oversight: cost estimation, integrated long-term planning, and stakeholder involvement. For example, while the Bureau has made progress with long-term planning by implementing some elements of GAO's recommendation that it develop a road map for 2020 planning, it still needs to pull together remaining planning elements, such as milestones for decisions and estimates of cost, into its roadmap."
Date:
September 11, 2013
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
22X mask cleaning effects on EUV lithography process and lifetime
For this paper, we evaluated the impact of repetitive cleans on a photomask that was fabricated and patterned for extreme ultraviolet lithography exposure. The lithographic performance of the cleaned mask, in terms of process window and line edge roughness, was monitored with the SEMATECH Berkeley micro-exposure tool (MET). Each process measurement of the cleaned mask was compared to a reference mask with the same mask architecture. Both masks were imaged on the same day in order to eliminate any process-related measurement uncertainties. The cleaned mask was periodically monitored with atomic force microscopy (AFM) measurements and pattern widths were monitored using scanning electron microscopy (SEM). In addition, reflectivity changes were also tracked with the aid of witness plate measurements. At the conclusion of this study, the mask under evaluation was cleaned 22 times; with none of the evaluation techniques showing any significant degradation in performance.
Date:
March 11, 2011
Creator:
George, Simi A.; Chen, Robert J.; Baclea-an, Lorie Mae & Naulleau, Patrick P.
Object Type:
Article
System:
The UNT Digital Library
3D-Printed Guns: An Overview of Recent Legal Developments
This report addresses the various legal questions that have arisen in recent litigation over 3D-printed guns by providing an overview of the issues and developments that have culminated in the injunction.
Date:
September 11, 2018
Creator:
Foster, Michael A.
Object Type:
Report
System:
The UNT Digital Library
3Dhotbed
Presented at the 2017 Code4Lib South Central Conference. This presentation provides an overview of the 3Dhobed project, including the process of 3D scanning, modeling, and printing hand moulds for book history instruction.
Date:
August 11, 2017
Creator:
Jacobs, Courtney E.; McIntosh, Marcia & O'Sullivan, Kevin
Object Type:
Presentation
System:
The UNT Digital Library
82nd Texas Legislature, Regular Session, House Bill 1174, Chapter 495
Bill introduced by the Texas House of Representatives relating to the expiration of a county burn ban.
Date:
June 11, 2011
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
82nd Texas Legislature, Regular Session, House Concurrent Resolution 70
Concurrent resolution introduced by the Texas House of Representatives and Senate recognizing February 28, 2011, as Texas Southern University Day at the State Capitol.
Date:
March 11, 2011
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
82nd Texas Legislature, Regular Session, House Concurrent Resolution 136
Concurrent resolution introduced by the Texas House of Representatives and Senate commemorating April 2011 as Safe Digging Month.
Date:
May 11, 2011
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
83rd Texas Legislature, First Called Session, House Concurrent Resolution 1
Concurrent resolution introduced by the Texas House granting the legislature permission to adjourn for more than three days during the period beginning on Tuesday, May 28, 2013, and ending on Monday, June 3, 2013.
Date:
July 11, 2013
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
83rd Texas Legislature, First Called Session, House Concurrent Resolution 7
Concurrent resolution introduced by the Texas House commending U.S. Army Brigadier General (Ret.) Walter Schellhase for his service to the Hill Country Veterans Council.
Date:
July 11, 2013
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
83rd Texas Legislature, First Called Session, Senate Concurrent Resolution 2
Concurrent resolution introduced by the Texas Senate relating to the authorizing a proposed interim agreement between the parties of a lawsuit regarding individuals with intellectual disabilities and related conditions residing in or at risk of being admitted to nursing facilities.
Date:
July 11, 2013
Creator:
Texas. Legislature. Senate.
Object Type:
Legislative Document
System:
The Portal to Texas History
83rd Texas Legislature, First Called Session, Senate Concurrent Resolution 3
Concurrent resolution introduced by the Texas Senate in memory of John Byron Strait, Sr.
Date:
July 11, 2013
Creator:
Texas. Legislature. Senate.
Object Type:
Legislative Document
System:
The Portal to Texas History