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100 LPW 800 Lm Warm White LED
An illumination grade warm white (WW) LED, having correlated color temperature (CCT) between 2800 K and 3500K and capable of producing 800 lm output at 100 lm/W, has been developed in this program. The high power WW LED is an ideal source for use as replacement for incandescent, and Halogen reflector and general purpose lamps of similar lumen value. Over the two year period, we have made following accomplishments: developed a high power warm white LED product and made over 50% improvements in light output and efficacy. The new high power WW LED product is a die on ceramic surface mountable LED package. It has four 1x1 mm{sup 2} InGaN pump dice flip chip attached to a ceramic submount in 2x2 array, covered by warm white phosphor ceramic platelets called Lumiramic⢠and an overmolded silicone lens encapsulating the LED array. The performance goal was achieved through breakthroughs in following key areas: (1) High efficiency pump LED development through pump LED active region design and epi growth quality improvement (funded by internal programs). (2) Increase in injection efficiency (IE) represented by reduction in forward voltage (V{sub f}) through the improvement of the silver-based p-contact and a reduction in spreading resistance. The …
Date:
October 31, 2010
Creator:
Sun, Decai
Object Type:
Report
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
100-NR-2 Apatite Treatability Test: High-Concentration Calcium-Citrate-Phosphate Solution Injection for In Situ Strontium-90 Immobilization
Following an evaluation of potential strontium-90 (90Sr) treatment technologies and their applicability under 100-NR-2 hydrogeologic conditions, the U.S. Department of Energy (DOE), Fluor Hanford, Inc. (now CH2M Hill Plateau Remediation Company [CHPRC]), Pacific Northwest National Laboratory, and the Washington State Department of Ecology agreed that the long-term strategy for groundwater remediation at the 100-N Area should include apatite as the primary treatment technology. This agreement was based on results from an evaluation of remedial alternatives that identified the apatite permeable reactive barrier (PRB) technology as the approach showing the greatest promise for reducing 90Sr flux to the Columbia River at a reasonable cost. This letter report documents work completed to date on development of a high-concentration amendment formulation and initial field-scale testing of this amendment solution.
Date:
September 1, 2010
Creator:
Vermeul, Vincent R.; Fritz, Brad G.; Fruchter, Jonathan S.; Szecsody, James E. & Williams, Mark D.
Object Type:
Report
System:
The UNT Digital Library
100% Renewable Energy - and Beyond - for Cities
This booklet sketches out the options and the processes that have started to transform urban energy systems. The document promotes carbon neutrality for communities and cities and argues that even the largest cities can make this transition, drawing on renewable energy supplies from within their boundaries, as well as from farther away. In addition to assuring urban energy security, these developments can also stimulate the growth of a very large new green economy sector.
Date:
March 2010
Creator:
Droege, Peter
Object Type:
Text
System:
The UNT Digital Library
120-mm superconducting quadrupole for interaction regions of hadron colliders
Magnetic and mechanical designs of a Nb{sub 3}Sn quadrupole magnet with 120-mm aperture suitable for interaction regions of hadron colliders are presented. The magnet is based on a two-layer shell-type coil and a cold iron yoke. Special spacers made of a low-Z material are implemented in the coil mid-planes to reduce the level of radiation heat deposition and radiation dose in the coil. The quadrupole mechanical structure is based on aluminum collars supported by an iron yoke and a stainless steel skin. Magnet parameters including maximum field gradient and field harmonics, Nb3Sn coil pre-stress and protection at the operating temperatures of 4.5 and 1.9 K are reported. The level and distribution of radiation heat deposition in the coil and other magnet components are discussed.
Date:
May 1, 2010
Creator:
Zlobin, A. V.; Kashikhin, V.V.; Mokhov, N. V. & Novitski, I.
Object Type:
Article
System:
The UNT Digital Library
161 Glass: Site Specific Music in an Artistic Context
The composition 161 Glass is a 17-minute musical work with percussion, wind and brass instruments in which the intersection of mid-century architecture, and the art and culture of a dynamic city are inextricably linked. Through this paper, I explore the process of composing a musical work in relationship to the significance of site specific context. The paper begins by defining the concept of site specific art works; then reviews the discourse of the intersection of art, music and architecture. I then delve into the cultural and geographic context surrounding this project from the modern era through the present, and how those perspectives apply to the building and my piece. I reveal how the composition relates the musical ideas to the site. Finally, I describe the collaborative process between myself, the musicians and the Dallas Contemporary staff.
Date:
May 2010
Creator:
Rusnak, Christina S.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
300 Area D4 Project Fiscal Year 2009 Building Completion Report
This report summarizes the deactivation, decontamination, decommissioning, and demolition activities of seven facilities in the 300 Area of the Hanford Site in fiscal year 2009. The D4 of these facilities included characterization; engineering; removal of hazardous and radiologically contaminated materials; equipment removal; utility disconnection; deactivation, decontamination, demolition of the structure; and stabilization or removal of slabs and foundations. This report also summarizes the nine below-grade slabs/foundations removed in FY09 of buildings demolished in previous fiscal years.
Date:
January 27, 2010
Creator:
Skwarek, B. J.
Object Type:
Report
System:
The UNT Digital Library
317/319 Phytoremediation site monitoring report - 2009 growing season : final report.
In 1999, Argonne National Laboratory (Argonne) designed and installed a series of engineered plantings consisting of a vegetative cover system and approximately 800 hybrid poplars and willows rooting at various predetermined depths. The plants were installed using various methods including Applied Natural Science's TreeWell{reg_sign} system. The goal of the installation was to protect downgradient surface and groundwater by intercepting the contaminated groundwater with the tree roots, removing moisture from the upgradient soil area, reducing water infiltration, preventing soil erosion, degrading and/or transpiring the residual volatile organic compounds (VOCs), and removing tritium from the subsoil and groundwater. This report presents the results of the monitoring activities conducted by Argonne's Energy Systems (ES) Division in the growing season of 2009. Monitoring of the planted trees began soon after the trees were installed in 1999 and has been conducted every summer since then. As the trees grew and consolidated their growth into the contaminated soil and groundwater, their exposure to the contaminants was progressively shown through tissue sampling. During the 2009 sampling campaign, VOC concentrations found in the French Drain area were in general consistent with or slightly lower than the 2008 results. Additionally, closely repeated, stand wide analyses showed contaminant fluctuations that …
Date:
February 10, 2010
Creator:
Negri, C .N.; Benda, P. L.; Gopalakrishnan, G. & Systems, Energy
Object Type:
Report
System:
The UNT Digital Library
324 Building Baseline Radiological Characterization
This report documents the analysis of radiological data collected as part of the characterization study performed in 1998. The study was performed to create a baseline of the radiological conditions in the 324 Building.
Date:
June 24, 2010
Creator:
R.J. Reeder, J.C. Cooper
Object Type:
Report
System:
The UNT Digital Library
340 Waste handling Facility Hazard Categorization and Safety Analysis
The analysis presented in this document provides the basis for categorizing the facility as less than Hazard Category 3.
Date:
October 25, 2010
Creator:
Rodovsky, T. J.
Object Type:
Report
System:
The UNT Digital Library
500 MW X-BAND RF SYSTEM OF A 0.25 GEV ELECTRON LINAC FOR ADVANCED COMPTON SCATTERING SOURCE APPLICATION
A Mono-Energetic Gamma-Ray (MEGa-Ray) Compton scattering light source is being developed at LLNL in collaboration with SLAC National Accelerator Laboratory. The electron beam for the Compton scattering interaction will be generated by a X-band RF gun and a X-band LINAC at the frequency of 11.424 GHz. High power RF in excess of 500 MW is needed to accelerate the electrons to energy of 250 MeV or greater for the interaction. Two high power klystron amplifiers, each capable of generating 50 MW, 1.5 msec pulses, will be the main high power RF sources for the system. These klystrons will be powered by state of the art solid-state high voltage modulators. A RF pulse compressor, similar to the SLED II pulse compressor, will compress the klystron output pulse with a power gain factor of five. For compactness consideration, we are looking at a folded waveguide setup. This will give us 500 MW at output of the compressor. The compressed pulse will then be distributed to the RF gun and to six traveling wave accelerator sections. Phase and amplitude control are located at the RF gun input and additional control points along the LINAC to allow for parameter control during operation. This high …
Date:
May 12, 2010
Creator:
Chu, T S; Anderson, S G; Gibson, D J; Hartemann, F V; Marsh, R A; Siders, C et al.
Object Type:
Article
System:
The UNT Digital Library
501(c)(4) Organizations and Campaign Activity: Analysis Under Tax and Campaign Finance Laws
This report discusses requirements to maintain 501(c)(4) status, potential tax consequences, and reporting requirements to file with the Internal Revenue Service.
Date:
October 21, 2010
Creator:
Lunder, Erika K. & Whitaker, L. Paige
Object Type:
Report
System:
The UNT Digital Library
618-10 Burial Ground VPU Nonintrusive Characterization Process and Data Collection Workshop
This report presents the nonintrusive characterization measurement results for the 618-10 Burial Ground and provides a general assessment of the estimated dose, isotopic concentrations, and bounding transuranic radionuclide inventories for the 618-10 vertical pipe units and trenches, based on interpretation of data from a system of in situ radiological multi-detector probes.
Date:
December 21, 2010
Creator:
Khabir, S.
Object Type:
Report
System:
The UNT Digital Library
1099 Information Reporting Requirements and Penalties as Modified by the Patient Protection and Affordable Care Act and the Small Business Jobs Act of 2010
This report discuses the 2010 expansion of reporting requirements listed in IRC (Internal Revenue Code) 6041. The controversy in these expansions lies in the burden the expansion imposes on small businesses. The report also describes the pieces of legislation that have amended IRC 6041, and the implications of that legislation along with the consequences of IRC 6041.
Date:
November 24, 2010
Creator:
Pettit, Carol A. & Liu, Edward C.
Object Type:
Report
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 39, No. 15, Ed. 1 Friday, January 22, 2010
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
January 22, 2010
Creator:
Price, Racheal
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 39, No. 16, Ed. 1 Friday, January 29, 2010
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
January 29, 2010
Creator:
Price, Racheal
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 39, No. 17, Ed. 1 Friday, February 5, 2010
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
February 5, 2010
Creator:
Price, Racheal
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 39, No. 18, Ed. 1 Friday, February 12, 2010
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
February 12, 2010
Creator:
Price, Racheal
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 39, No. 19, Ed. 1 Friday, February 26, 2010
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
February 26, 2010
Creator:
Price, Racheal
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 39, No. 20, Ed. 1 Friday, March 5, 2010
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
March 5, 2010
Creator:
Price, Racheal
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 39, No. 21, Ed. 1 Friday, March 12, 2010
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
March 12, 2010
Creator:
Price, Racheal
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 39, No. 22, Ed. 1 Friday, March 26, 2010
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
March 26, 2010
Creator:
Price, Racheal
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
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