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HULLAC-based Simulations of Non-LTE Emission Spectra
This document describes the calculations I have carried out to synthesize spectra for test cases Ar1, Ge1, Ba1 and Au1. First, a brief description of how HULLAC generates atomic data is presented. Next, the implementation of those data in a collisional-radiative (CR) model is described. Two approaches are taken: First, the HULLAC data are entered into the CR rate matrix, and the relative populations of each ion charge state as given by an off-line Monte Carlo calculation are used to constrain the resulting level populations. Alternatively, the HULLAC data-filled CR rate matrix is inverted with out constraining the relative ion populations; the resulting average ion charge < Z > is significantly different between the two calculations. My resulting b-b, b-f and f-f emission spectra are presented in figures.
Date:
April 12, 2001
Creator:
Fournier, K B
Object Type:
Report
System:
The UNT Digital Library
Pawhuska Journal-Capital (Pawhuska, Okla.), Vol. 90, No. 30, Ed. 1 Wednesday, April 12, 2000
Semiweekly newspaper from Pawhuska, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 12, 2000
Creator:
Gann, Sherry
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Oklahoma Daily (Norman, Okla.), Vol. 90, No. 135, Ed. 1 Wednesday, April 12, 2006
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
April 12, 2006
Creator:
Ganus, Sara
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Doctoral Recital: 2008-04-12 - Marilia Gabriela Gimenes, flute
Recital presented at the UNT College of Music Recital Hall in partial fulfillment of the Doctor of Musical Arts (DMA) degree.
Date:
April 12, 2008
Creator:
Gimenes, Marilia Gabriela
Object Type:
Sound
System:
The UNT Digital Library
Today Cedar Hill (DeSoto, Tex.), Vol. 41, No. 52, Ed. 1 Thursday, April 12, 2007
Weekly newspaper from DeSoto, Texas that includes local, state, and national news along with advertising.
Date:
April 12, 2007
Creator:
Gooch, Robin
Object Type:
Newspaper
System:
The Portal to Texas History
Senior Recital: 2008-04-12 - Beth Gordon, flute and piccolo
Access:
Use of this item is restricted to the UNT Community
Recital presented at the UNT College of Music Recital Hall in partial fulfillment of the Bachelor of Music (BM) degree.
Date:
April 12, 2008
Creator:
Gordon, Beth
Object Type:
Sound
System:
The UNT Digital Library
INTERNAL REPAIR OF PIPELINES
The two broad categories of deposited weld metal repair and fiber-reinforced composite liner repair technologies were reviewed for potential application for internal repair of gas transmission pipelines. Both are used to some extent for other applications and could be further developed for internal, local, structural repair of gas transmission pipelines. Preliminary test programs were developed for both deposited weld metal repair and for fiber-reinforced composite liner repair. Evaluation trials have been conducted using a modified fiber-reinforced composite liner provided by RolaTube and pipe sections without liners. All pipe section specimens failed in areas of simulated damage. Pipe sections containing fiber-reinforced composite liners failed at pressures marginally greater than the pipe sections without liners. The next step is to evaluate a liner material with a modulus of elasticity approximately 95% of the modulus of elasticity for steel. Preliminary welding parameters were developed for deposited weld metal repair in preparation of the receipt of Pacific Gas & Electric's internal pipeline welding repair system (that was designed specifically for 559 mm (22 in.) diameter pipe) and the receipt of 559 mm (22 in.) pipe sections from Panhandle Eastern. The next steps are to transfer welding parameters to the PG&E system and to pressure …
Date:
April 12, 2004
Creator:
Gordon, Robin; Bruce, Bill; Harris, Ian; Harwig, Dennis; Porter, Nancy; Sullivan, Mike et al.
Object Type:
Report
System:
The UNT Digital Library
Public (BLM) Lands and National Forests
None
Date:
April 12, 2002
Creator:
Gorte, Ross W. & Hardy-Vincent, Carol
Object Type:
Report
System:
The UNT Digital Library
Evaluation of Cloud Parameterizations in a High Resolution Atmospheric General Circulation Model Using ARM Data
Typical state of the art atmospheric general circulation models used in climate change studies have horizontal resolution of approximately 300 km. As computing power increases, many climate modeling groups are working toward enhancing the resolution of global models. An important issue that arises when resolution of a model is changed is whether cloud and convective parameterizations, which were developed for use at coarser resolutions, will need to be reformulated or re-tuned. We propose to investigate this issue and specifically cloud statistics using ARM data. The data streams produced by highly instrumented sections of Cloud and Radiation Testbeds (CART) of ARM program will provide a significant aid in the evaluation of cloud and convection parameterization in high-resolution models. Recently, we have performed multiyear global-climate simulations at T170 and T239 resolutions, corresponding to grid cell sizes of 0.7{sup 0} and 0.5{sup 0} respectively, using the NCAR Community Climate Model. We have also a performed climate change simulation at T170. On the scales of a T42 grid cell (300 km) and larger, nearly all quantities we examined in T170 simulation agree better with observations in terms of spatial patterns than do results in a comparable simulation at T42. Increasing the resolution to T239 …
Date:
April 12, 2002
Creator:
Govindasamy, B & Duffy, P
Object Type:
Report
System:
The UNT Digital Library
Diesel Emission Control R and D in OHVT
None
Date:
April 12, 2000
Creator:
Graves, Ron
Object Type:
Presentation
System:
The UNT Digital Library
Babar: Sin(2beta) With Charm
We present measurements of time-dependent CP asymmetries of neutral B decays to several charm and charmonium final states. Data have been collected with the BABAR detector at the PEP-II storage ring at the Stanford Linear Accelerator Center. In the absence of penguin contribution, the Standard Model predicts the time-dependent CP asymmetry parameters S and C are to be {eta}{sub CP} sin(2{beta}) and 0, respectively.
Date:
April 12, 2006
Creator:
Grenier, P. & U., /Ecole Polytechnique /Clermont-Ferrand
Object Type:
Article
System:
The UNT Digital Library
The Sealy News (Sealy, Tex.), Vol. 118, No. 29, Ed. 1 Tuesday, April 12, 2005
Semiweekly newspaper from Sealy, Texas that includes local, state, and national news along with advertising.
Date:
April 12, 2005
Creator:
Griffin, Joanie & Horecka, Bobby
Object Type:
Newspaper
System:
The Portal to Texas History
Report of the Event Tag Review and Recommendation Group
In order to facilitate access to the large volumes of data (multiple petabytes per year) which will be produced during data taking and Monte Carlo production at ATLAS, work has proceeded on building a system of event-level metadata to allow selections of a subset of events to use as input to an analysis. This was included in the ATLAS Computing Model and was first studied and implemented by the Physics Analysis Tools group based on the decisions of the ESD/AOD Task Force. They used tools developed and supported by the CERN IT group and the ATLAS Database group. During 2005 this structure was put through various tests and evaluations. Also, work by physicists on reconstruction and analysis led to an improved understanding of the requirements on the TAG. This report addresses the effect of these new inputs on the previous work with regard to content and the infrastructure needed to support it.
Date:
April 12, 2006
Creator:
Group, ATLAS; Assamagan, Kétévi A.; Barberis, Dario; Bentvelsen, Stan; Brooijmans, Gustaaf; Cranmer, Kyle et al.
Object Type:
Article
System:
The UNT Digital Library
Sanger Courier (Sanger, Tex.), Vol. 102, No. 25, Ed. 1 Thursday, April 12, 2001
Weekly newspaper from Sanger, Texas that includes local, state, and national news along with extensive advertising.
Date:
April 12, 2001
Creator:
Hardy, Lisa
Object Type:
Newspaper
System:
The Portal to Texas History
The Longhorn Express (Harper, Tex.), Vol. 4, No. 5, Ed. 1 Friday, April 12, 2002
Student newspaper of Harper Independent School District in Harper, Texas that includes school news and information along with advertising.
Date:
April 12, 2002
Creator:
Harper Independent School District Journalism Class
Object Type:
Newspaper
System:
The Portal to Texas History
The Longhorn Express (Harper, Tex.), Vol. 8, No. 5, Ed. 1 Wednesday, April 12, 2006
Student newspaper of Harper Independent School District in Harper, Texas that includes school news and information along with advertising.
Date:
April 12, 2006
Creator:
Harper Independent School District Journalism Class
Object Type:
Newspaper
System:
The Portal to Texas History
Hanford Site Groundwater Monitoring for Fiscal Year 2003
This report presents the results of groundwater and vadose zone monitoring and remediation for fiscal year 2003 (October 2002 through September 2003) on the U.S. Department of Energy's Hanford Site, Washington. The most extensive contaminant plumes in groundwater are tritium, iodine-129, and nitrate, which all had multiple sources and are very mobile in groundwater. The largest portions of these plumes are migrating from the central Hanford Site to the southeast, toward the Columbia River. Concentrations of tritium, nitrate, and some other contaminants continued to exceed drinking water standards in groundwater discharging to the river in some locations. However, contaminant concentrations in river water remained low and were far below standards. Carbon tetrachloride and associated organic constituents form a relatively large plume beneath the central part of the Hanford Site. Hexavalent chromium is present in smaller plumes beneath the reactor areas along the river and beneath the central part of the site. Strontium-90 exceeds standards beneath all but one of the reactor areas, and technetium-99 and uranium are present in the 200 Areas. Uranium exceeds standards in the 300 Area in the south part of the Hanford Site. Minor contaminant plumes with concentrations greater than standards include carbon-14, cesium-137, cis-1,2-dichloroethene, cyanide, …
Date:
April 12, 2004
Creator:
Hartman, Mary J.; Morasch, Launa F. & Webber, William D.
Object Type:
Report
System:
The UNT Digital Library
Summary of Hanford Site Groundwater Monitoring for Fiscal Year 2003
This document is a summary of the larger report, PNNL-14548. It describes the groundwater monitoring results for FY 2003 at the Hanford Site in southeast Washington State. The Hanford Site, a facility in the U.S. Department of Energy (DOE) nuclear weapons complex, encompasses {approx}1,517 square kilometers northwest of the city of Richland along the Columbia River in southeast Washington State. The federal government acquired the site in 1943, and until the 1980s it was dedicated primarily to the production of plutonium for national defense and the management of resulting waste. In 1995, all unrestricted discharge of radioactive liquid waste to the ground was discontinued. Today, DOE's mission on the Hanford Site is to restore the Columbia River corridor and transition the central portion of the site toward its long-term waste management role. DOE has monitored groundwater on the Hanford Site since the 1940s to help determine what chemical and radiological contaminants have made their way into the groundwater. As regulatory requirements for monitoring increased in the 1980s, there began to be some overlap between various programs. DOE established the Groundwater Performance Assessment Project (groundwater project) in 1996 to ensure protection of the public and the environment while improving the efficiency …
Date:
April 12, 2004
Creator:
Hartman, Mary J.; Morasch, Launa F. & Webber, William D.
Object Type:
Report
System:
The UNT Digital Library
Summary of Hanford Site Groundwater Monitoring for Fiscal Year 2006
This booklet provides a summary of groundwater monitoring on the Hanford Site during FY 2006.
Date:
April 12, 2007
Creator:
Hartman, Mary J.; Morasch, Launa F. & Webber, William D.
Object Type:
Report
System:
The UNT Digital Library
Extending the size-parameter range for plane-wave light scattering from infinite homogeneous circular cylinders
We have developed an algorithm that extends the possible size-parameter range for the calculation of plane-wave light scattering from infinite homogeneous circular cylinders using a Mie-type analysis. Our algorithm is based on the calculation of the ratios of Bessel functions instead of calculating the Bessel functions or their logarithmic derivatives directly. We have found that this algorithm agrees with existing methods (when those methods converge). We have also found that our algorithm converges in cases of very large size parameters, in which case other algorithms often do not.
Date:
April 12, 2005
Creator:
Hau-Riege, S.
Object Type:
Article
System:
The UNT Digital Library
[Summer Research Program announcement]
A document advertising a new summer research program for students in the social sciences. It is connected to the Institute of Anthropology at UNT and a short description of the program is included with a picture of the group.
Date:
April 12, 2006
Creator:
Henry, Dr. Doug
Object Type:
Letter
System:
The UNT Digital Library
Rains County Leader (Emory, Tex.), Vol. 117, No. 43, Ed. 1 Tuesday, April 12, 2005
Weekly newspaper from Emory, Texas that includes local, state, and national news along with advertising.
Date:
April 12, 2005
Creator:
Hill, Earl Clyde, Jr.
Object Type:
Newspaper
System:
The Portal to Texas History
Garber Billings News (Garber, Okla.), Vol. 101, No. 26, Ed. 1 Thursday, April 12, 2001
Weekly newspaper from Garber, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 12, 2001
Creator:
Hogan, Vickie Lee
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Garber Billings News (Garber, Okla.), Vol. 107, No. 23, Ed. 1 Thursday, April 12, 2007
Weekly newspaper from Garber, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 12, 2007
Creator:
Hogan, Vickie Lee
Object Type:
Newspaper
System:
The Gateway to Oklahoma History