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11,668 Matching Results
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1.1 Simulations of a Free-Electron Laser Oscillator at Jefferson Lab Lasing in the Vacuum Ultraviolet
This report is a descriptive summary of the simulation of a free- electron laser Oscillator at Jefferson Lab Lasing in the Vacuum Ultraviolet
Date:
April 1, 2013
Creator:
Shinn, Michelle D. & Benson, Stephen V.
Object Type:
Article
System:
The UNT Digital Library
4-Coumarate 3-hydroxylase in the lignin biosynthesis pathway is a cytosolic ascorbate peroxidase
Article describes an enzyme catalyzing the direct 3-hydroxylation of 4-coumarate to caffeate in lignin biosynthesis as a bifunctional peroxidase that oxidizes both ascorbate and 4-coumarate at comparable rates.
Date:
April 30, 2019
Creator:
Barros, Jaime; Escamilla-Treviño, Luis; Song, Luhua; Rao, Xiaolan; Serrani-Yarce, Juan Carlos; Docampo-Palacios, Maite et al.
Object Type:
Article
System:
The UNT Digital Library
10 years of IIPC panel & discussion - DPC Decennial Award Presentation
Presentation for the 2013 International Internet Preservation Consortium General Assembly. This is a presentation originally given at the 2012 Digital Preservation Coalition award ceremony, describing the work and accomplishments of the IIPC over the prior decade.
Date:
April 22, 2013
Creator:
unknown
Object Type:
Presentation
System:
The UNT Digital Library
[24-Hour Film Feast with Vondie Curtis-Hall tape #1]
Video footage from The Black Academy of Arts and Letters recorded during TBAALs 2012 24-Hour Filmfeast featuring actor and director Vondie Curtis-Hall on April 28th. The footage features a live Q&A discussion with Hall on his career and perspective on the industry.
Date:
April 28, 2012
Creator:
Curtis-Hall, Vondie
Object Type:
Video
System:
The UNT Digital Library
[24-Hour Film Feast with Vondie Curtis-Hall tape #2]
Video footage from The Black Academy of Arts and Letters recorded during TBAALs 2012 24-Hour Filmfeast featuring actor and director Vondie Curtis-Hall on April 28th. The footage features a live Q&A discussion with Hall on his career and perspective on the industry. Curtis King sits to the side and moderates.
Date:
April 28, 2012
Creator:
Curtis-Hall, Vondie
Object Type:
Video
System:
The UNT Digital Library
50 Years of Reference Service Literature Review Sources
Handout accompanying a presentation for the Texas Library Association (TLA) 2014 Annual Conference at the Reference Round Table. This handout includes literature review sources representing 50 years of reference service.
Date:
April 2014
Creator:
Sears, Suzanne & Leuzinger, Julie
Object Type:
Pamphlet
System:
The UNT Digital Library
The 60-month all-sky BAT Survey of AGN and the Anisotropy of Nearby AGN
Surveys above 10 keV represent one of the the best resources to provide an unbiased census of the population of Active Galactic Nuclei (AGN). We present the results of 60 months of observation of the hard X-ray sky with Swift/BAT. In this timeframe, BAT detected (in the 15-55 keV band) 720 sources in an all-sky survey of which 428 are associated with AGN, most of which are nearby. Our sample has negligible incompleteness and statistics a factor of {approx}2 larger over similarly complete sets of AGN. Our sample contains (at least) 15 bona-fide Compton-thick AGN and 3 likely candidates. Compton-thick AGN represent a {approx}5% of AGN samples detected above 15 keV. We use the BAT dataset to refine the determination of the LogN-LogS of AGN which is extremely important, now that NuSTAR prepares for launch, towards assessing the AGN contribution to the cosmic X-ray background. We show that the LogN-LogS of AGN selected above 10 keV is now established to a {approx}10% precision. We derive the luminosity function of Compton-thick AGN and measure a space density of 7.9{sub -2.9}{sup +4.1} x 10{sup -5} Mpc{sup -3} for objects with a de-absorbed luminosity larger than 2 x 10{sup 42} erg s{sup -1}. …
Date:
April 2, 2012
Creator:
Ajello, M.; /KIPAC, Menlo Park; Alexander, D.M.; U., /Durham; Greiner, J.; /Garching, Max Planck Inst., MPE et al.
Object Type:
Article
System:
The UNT Digital Library
100-BC-5 Operable Unit, Batch Leach Analyses and Report for Sediments at RI/FS Wells C7508, C7783, C7784, C7785, and C7787
This is an analytical data report for sediment samples from the 100 BC Operable unit. This report contains the updated dates for samples associated with Hexavalent Chromium/Soil analysis. Between August 24, 2010 and March 3, 2011 sediment samples were received from 100-BC Decision Unit Soil for geochemical studies. The analyses for this project were performed at the 331 building located in the 300 Area of the Hanford Site. The analyses were performed according to Pacific Northwest National Laboratory (PNNL) approved procedures and/or nationally recognized test procedures. The data sets include the sample identification numbers, analytical results, estimated quantification limits (EQL), and quality control data. The preparatory and analytical quality control requirements, calibration requirements, acceptance criteria, and failure actions are defined in the on-line QA plan 'Conducting Analytical Work in Support of Regulatory Programs' (CAW). This QA plan implements the Hanford Analytical Services Quality Assurance Requirements Documents (HASQARD) for PNNL.
Date:
April 2011
Creator:
Lindberg, Michael J.
Object Type:
Report
System:
The UNT Digital Library
100-NR-2 Apatite Treatability Test: Fall 2010 Tracer Infiltration Test (White Paper)
The primary objectives of the tracer infiltration test were to 1) determine whether field-scale hydraulic properties for the compacted roadbed materials and underlying Hanford fm. sediments comprising the zone of water table fluctuation beneath the site are consistent with estimates based laboratory-scale measurements on core samples and 2) characterize wetting front advancement and distribution of soil moisture achieved for the selected application rate. These primary objectives were met. The test successfully demonstrated that 1) the remaining 2 to 3 ft of compacted roadbed material below the infiltration gallery does not limit infiltration rates to levels that would be expected to eliminate near surface application as a viable amendment delivery approach and 2) the combined aqueous and geophysical monitoring approaches employed at this site, with some operational adjustments based on lessons learned, provides an effective means of assessing wetting front advancement and the distribution of soil moisture achieved for a given solution application. Reasonably good agreement between predicted and observed tracer and moisture front advancement rates was observed. During the first tracer infiltration test, which used a solution application rate of 0.7 cm/hr, tracer arrivals were observed at the water table (10 to 12 ft below the bottom of the infiltration …
Date:
April 14, 2011
Creator:
Vermeul, Vincent R.; Fritz, Brad G.; Fruchter, Jonathan S.; Greenwood, William J.; Johnson, Timothy C.; Horner, Jacob A. et al.
Object Type:
Report
System:
The UNT Digital Library
[125 balloons]
Photograph of white and green balloons arranged to read, "125" in celebration of the 125th anniversary of the University being established. The balloons were photographed during the Wingspan Gala of 2016, held at the University Union building.
Date:
April 16, 2016
Creator:
Clark, Junebug
Object Type:
Photograph
System:
The UNT Digital Library
[125 Years of Green-Tie Evening Wear presented by the Texas Fashion Collection]
Photograph of evening wear presented by The Texas Fashion Collection. The evening gowns, of different styles, were on display on the third floor stairwell of the the University Union building during 125th Anniversary celebration of the University being established. This image was taken during the Wingspan Gala of 2016, held at the University Union building.
Date:
April 16, 2016
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
401(k) Plans: Increased Educational Outreach and Broader Oversight May Help Reduce Plan Fees
A letter report issued by the Government Accountability Office with an abstract that begins "Plan sponsors and participants paid a range of fees for services, though smaller plans typically paid higher fees as a percentage of plan assets. For example, the average amount sponsors of small plans reported paying for recordkeeping and administrative services was 1.33 percent of assets annually, compared with 0.15 percent paid by sponsors of large plans. Larger plans were more likely to pass recordkeeping fees along to participants, but when fees were passed along to participants in small plans, those in large plans paid lower fees than those in small plans. Participants also paid for investment and plan consulting feesthrough fees deducted from their plan assetsin more instances than sponsors."
Date:
April 24, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
911 Services: Most States Used 911 Funds for Intended Purposes, but FCC Could Improve Its Reporting on States' Use of Funds
A letter report issued by the Government Accountability Office with an abstract that begins "Although states faced challenges and delays in the past, states have made significant progress implementing wireless Enhanced 911 (E911) since 2003. Wireless E911 deployment usually proceeds through two phases: Phase I provides general caller location information by identifying the cell tower or cell site that is receiving the wireless call; Phase II provides more precise caller-location information, usually within 50 to 300 meters. Currently, according to the National Emergency Number Association (NENA), nearly 98 percent of 911 call centers, known as Public Safety Answering Points (PSAPs), are capable of receiving Phase I location information, and 97 percent have implemented Phase II for at least one wireless carrier. This represents a significant improvement since 2003 when implementation of Phase I was 65 percent and Phase II was 18 percent. According to NENA's current data, 142 U.S. counties (representing roughly 3 percent of the U.S. population) do not have some level of wireless E911 service. The areas that lack wireless E911 are primarily rural and tribal areas that face special implementation challenges, according to federal and association officials."
Date:
April 18, 2013
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
11th National Conference on Science, Policy, and the Environment: Our Changing Oceans
On January 19-21, 2011, The National Council for Science and the Environment (NCSE) successfully convened its 11th National Conference on Science, Policy and the Environment: Our Changing Oceans in Washington, DC at the Ronald Reagan Building and International Trade Center. Over 1,247 participants attended the conference, representing federal, state and local governments, university and colleges across the US, civil society organizations, the business community, and international entities. In addition, the conference was webcast to an audience across several states. The conference provided a forum to examine the profound changes our ocean will undergo over the next 25-50 years and share various perspectives on the new research, tools, and policy initiatives to protect and sustain our ocean. Conference highlights and recommendations are available to the public on NCSE's conference website, www.OurChangingOceans.org.
Date:
April 17, 2012
Creator:
Saundry, Peter
Object Type:
Article
System:
The UNT Digital Library
[125th Anniversary College of Business banner]
Photograph of a banner from the UNT 125th Anniversary celebration that reads "A History of the College of Business (1945 -2015) Then and Now, A Walk Through the Years; Honoring our history. Envisioning our future."
Date:
April 14, 2016
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[125th Anniversary College of Business history]
Photograph of banners from the UNT 125th Anniversary celebration that detail three decades of history from the College of Business. The decades covered are the 40s, 50s, and 60s and include photos from the time.
Date:
April 14, 2016
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[125th Anniversary College of Business history 2]
Photograph of banners from the UNT 125th Anniversary celebration that detail three decades of history from the College of Business. The decades covered are the 90s, 2000s, and 2010-15 and the banners include photos from the specific times. Behind them are pictures set up at tables for people to pose with.
Date:
April 14, 2016
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
N*(1535) electroproduction at high Q2
A covariant spectator quark model is applied to study the {gamma}N {yields} N*(1535) reaction in the large Q{sup 2} region. Starting from the relation between the nucleon and N*(1535) systems, the N*(1535) valence quark wave function is determined without the addition of any parameters. The model is then used to calculate the {gamma}N {yields} N*(1535) transition form factors. A very interesting, useful relation between the A{sub 1/2} and S{sub 1/2} helicity amplitudes for Q{sup 2} > GeV{sup 2}, is also derived.
Date:
April 1, 2012
Creator:
G. Ramalho, M.T. Pena, K. Tsushima
Object Type:
Article
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 39, No. 23, Ed. 1 Friday, April 2, 2010
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
April 2, 2010
Creator:
Price, Racheal
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 39, No. 24, Ed. 1 Friday, April 9, 2010
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
April 9, 2010
Creator:
Price, Racheal
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 39, No. 25, Ed. 1 Friday, April 23, 2010
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
April 23, 2010
Creator:
Price, Racheal
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 39, No. 26, Ed. 1 Friday, April 30, 2010
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
April 30, 2010
Creator:
Price, Racheal
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
[16th annual African Cultural Festival programs]
Photograph of a stack of programs for the 2013 African Cultural Festival on a stand. Text on the front page reads: "University of North Texas / College of Music / Seven hundred ninety-fifth program of the 2012-2013 season // 16th Annual / African Cultural Festival / featuring / Afrikania Cultural Troupe, Ghana, West Africa / UNT African Percussion Ensemble, Denton / UNT Advanced Afro-Cuban Ensemble, Denton / Djaaly Kunda West African Dance & Drum Ensemble, Dallas / Fabere Dance Company, Dallas // Professor Torgbui Midawo Gideon Foli Alorwoyie / Artistic Director and Chief Master Drummer."
Date:
April 6, 2013
Creator:
Chittamai, Nat
Object Type:
Photograph
System:
The UNT Digital Library
[1940s College of Business banner]
Photograph of the 1940s College of Business banner from the 125th Anniversary event. The banner details the history of the College of Business during that time period and includes mention of the school's growth from simply a department to an individual School. There are four images used on the banner, one is of Dr. O. J. Curry, the founding Dean, another is of the exterior of the Manual Arts Building which originally housed the department and later school, and the final two photos are of students in their classes.
Date:
April 14, 2016
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library