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Implications of Pulser Voltage Ripple
In a recent set of measurements obtained by G. Kamin, W. Manning, A. Molvik, and J. Sullivan, the voltage waveform of the diode pulser had a ripple of approximately {+-}1.3% of the 65 kV flattop voltage, and the beam current had a larger corresponding ripple of approximately {+-}8.4% of the 1.5 mA average current at the location of the second Faraday cup, approximately 1.9 m downstream from the ion source. The period of the ripple was about 1 {mu}s. It was initially unclear whether this large current ripple was in fact a true measurement of the current or a spurious measurement of noise produced by the pulser electronics. The purpose of this note is to provide simulations which closely match the experimental results and thereby corroborate the physical nature of those measurements, and to provide predictions of the amplitude of the current ripples as they propagate to the end of linear transport section. Additionally analytic estimates are obtained which lend some insight into the nature of the current fluctuations and to provide an estimate of what the maximum amplitude of the current fluctuations are expected to be, and conversely what initial ripple in the voltage source is allowed, given a …
Date:
December 21, 2011
Creator:
Barnard, J J
Object Type:
Report
System:
The UNT Digital Library
EMP Attachment 2 DOE-SC PNNL Site Data Management Plan
This Data Management Plan (DMP) describes the data management processes and activities under the Pacific Northwest National Laboratory (PNNL) Site Environmental Monitoring Plan. The activities currently in the Plan are limited to offsite environmental surveillance of PNNL Site radiological releases to the air. The DMP provides guidance on data capture, processing and transmittal, and database configuration management. The requirements for the PNNL Site Environmental Monitoring (SEM) Database and associated records are documented in order to assure that vital data are recorded accurately, stored in a manner that retains data integrity, and are suitable for analyst to use. Protocols and procedures must ensure the data will be adequate and robust.
Date:
December 21, 2011
Creator:
Bisping, Lynn E.
Object Type:
Report
System:
The UNT Digital Library
United Nations Reform: U.S. Policy and International Perspectives
This report focuses on U.N. reform efforts and priorities from the perspective of several key actors, including the U.S. government, the U.N. Secretary-General, selected member states, and a cross-section of groups tasked with addressing U.N. reform. It also examines congressional actions related to U.N. reform, as well as future policy considerations.
Date:
December 21, 2011
Creator:
Blanchfield, Luisa
Object Type:
Report
System:
The UNT Digital Library
Perry Daily Journal (Perry, Okla.), Vol. 119, No. 249, Ed. 1 Wednesday, December 21, 2011
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 21, 2011
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 182, Ed. 1 Wednesday, December 21, 2011
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 21, 2011
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Extend EnergyPlus to Support Evaluation, Design, and Operation of Low Energy Buildings
During FY10-11, Pacific Northwest National Laboratory in collaboration with the EnergyPlus development team implemented the following high priority enhancements to support the simulation of high performance buildings: (1) Improve Autosizing of Heating, Ventilation, and Air Conditioning (HVAC) Components; (2) Life-Cycle Costing to Evaluate Energy Efficiency Upgrades; (3) Develop New Model to Capture Transformer Losses; (4) Enhance the Model for Electric Battery Storage; and (5) Develop New Model for Chiller-Tower Optimization. This report summarizes the technical background, new feature development and implementation details, and testing and validation process for these enhancements. The autosizing, life-cycle costing and transformer model enhancements/developments were included in EnergyPlus release Version 6.0, and the electric battery model development will be included in Version 7.0. The model development of chiller-tower optimization will be included in a later version (after Version 7.0).
Date:
December 21, 2011
Creator:
Cho, Heejin; Wang, Weimin; Makhmalbaf, Atefe; Yun, Kyung Tae; Glazer, Jason; Scheier, Larry et al.
Object Type:
Report
System:
The UNT Digital Library
The Magellan Final Report on Cloud Computing
The goal of Magellan, a project funded through the U.S. Department of Energy (DOE) Office of Advanced Scientific Computing Research (ASCR), was to investigate the potential role of cloud computing in addressing the computing needs for the DOE Office of Science (SC), particularly related to serving the needs of mid- range computing and future data-intensive computing workloads. A set of research questions was formed to probe various aspects of cloud computing from performance, usability, and cost. To address these questions, a distributed testbed infrastructure was deployed at the Argonne Leadership Computing Facility (ALCF) and the National Energy Research Scientific Computing Center (NERSC). The testbed was designed to be flexible and capable enough to explore a variety of computing models and hardware design points in order to understand the impact for various scientific applications. During the project, the testbed also served as a valuable resource to application scientists. Applications from a diverse set of projects such as MG-RAST (a metagenomics analysis server), the Joint Genome Institute, the STAR experiment at the Relativistic Heavy Ion Collider, and the Laser Interferometer Gravitational Wave Observatory (LIGO), were used by the Magellan project for benchmarking within the cloud, but the project teams were also able …
Date:
December 21, 2011
Creator:
Coghlan, Susan & Yelick, Katherine
Object Type:
Report
System:
The UNT Digital Library
EU-U.S. Economic Ties: Framework, Scope, and Magnitude
This report provides background information and analysis of the U.S.-EU economic relationship for members of the 112th Congress as they contemplate the costs and benefits of closer U.S. economic ties with the EU. It examines the economic and political framework of the relationship and the scope and magnitude of the ties based on data from various sources. In addition, the report analyzes the implications these factors have for U.S. economic policy toward the EU.
Date:
December 21, 2011
Creator:
Cooper, William H.
Object Type:
Report
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Wednesday, December 21, 2011
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 21, 2011
Creator:
DeSilver, Debi
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Military Construction, Veterans Affairs, and Related Agencies: FY2012 Appropriations
This report gives an overview the Military Construction, Veterans Affairs, and Related Agencies appropriations bill, which provides funding for the planning, design, construction, alteration, and improvement of facilities used by active and reserve military components worldwide. It capitalizes military family housing and the U.S. share of the NATO Security Investment Program and finances the implementation of installation closures and realignments. It underwrites veterans benefit and health care programs administered by the Department of Veterans Affairs (VA), provides for the creation and maintenance of U.S. cemeteries and battlefield monuments within the United States and abroad, and supports the U.S. Court of Appeals for Veterans Claims, Armed Forces Retirement Homes, and Arlington National Cemetery. The bill also funds advance appropriations for veterans' medical services.
Date:
December 21, 2011
Creator:
Else, Daniel H.; Scott, Christine & Panangala, Sidath Viranga
Object Type:
Report
System:
The UNT Digital Library
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 97, No. 70, Ed. 1 Wednesday, December 21, 2011
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 21, 2011
Creator:
Gibbs, Angenene
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Baytown Sun (Baytown, Tex.), Vol. 91, No. 250, Ed. 1 Wednesday, December 21, 2011
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
December 21, 2011
Creator:
Gray, Janie
Object Type:
Newspaper
System:
The Portal to Texas History
Charge Transfer and Support Effects in Heterogeneous Catalysis
The kinetic, electronic and spectroscopic properties of two‐dimensional oxide‐supported catalysts were investigated in order to understand the role of charge transfer in catalysis. Pt/TiO{sub 2} nanodiodes were fabricated and used as catalysts for hydrogen oxidation. During the reaction, the current through the diode, as well as its I‐V curve, were monitored, while gas chromatography was used to measure the reaction rate. The current and the turnover rate were found to have the same temperature dependence, indicating that hydrogen oxidation leads to the non‐adiabatic excitation of electrons in Pt. A fraction of these electrons have enough energy to ballistically transport through Pt and overcome the Schottky barrier at the interface with TiO{sub 2}. The yield for this phenomenon is on the order of 10{sup ‐4} electrons per product molecule formed, similar to what has been observed for CO oxidation and for the adsorption of many different molecules. The same Pt/TiO{sub 2} system was used to compare currents in hydrogen oxidation and deuterium oxidation. The current through the diode under deuterium oxidation was found to be greater than under hydrogen oxidation by a factor of three. Weighted by the difference in turnover frequencies for the two isotopes, this would imply a chemicurrent …
Date:
December 21, 2011
Creator:
Hervier, Antoine
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Mannford Eagle (Mannford, Okla.), Vol. 54, No. 28, Ed. 1 Wednesday, December 21, 2011
Weekly newspaper from Mannford, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 21, 2011
Creator:
Hughes, Dustin
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Afghanistan: Post-Taliban Governance, Security, and U.S. Policy
This report discusses the current political state of Afghanistan, focusing particularly on the influence of the Taliban and other militant groups and on the leadership of Afghan President Hamid Karzai. This report also discusses the U.S.-Afghanistan relationship, in both the short and long term, and U.S. efforts under the Obama Administration to provide military, reconstructive, and stabilization aid.
Date:
December 21, 2011
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
Iran's Nuclear Program: Tehran's Compliance with International Obligations
This report provides a brief overview of Iran's nuclear program and describes the legal basis for the actions taken by the International Atomic Energy Agency (IAEA) board and the Security Council.
Date:
December 21, 2011
Creator:
Kerr, Paul K.
Object Type:
Report
System:
The UNT Digital Library
ACID EVAPORATION OF ULTIMA GOLD TM AB LIQUID SCINTILLATION COCKTAIL RESIDUE
Prior analyses of samples from the F/H Lab solutions showed the presence of diisopropylnapthalene (DIN), a major component of Ultima Gold{trademark} AB liquid scintillation cocktail (LSC). These solutions are processed through H-Canyon Tank 10.5 and ultimately through the 17.8E evaporator. Similar solutions originated in SRNL streams sent to the same H Canyon tanks. This study examined whether the presence of these organics poses a process-significant hazard for the evaporator. Evaporation and calorimetry testing of surrogate samples containing 2000 ppm of Ultima Gold{trademark} AB LSC in 8 M nitric acid have been completed. These experiments showed that although reactions between nitric acid and the organic components do occur, they do not appear to pose a significant hazard for runaway reactions or generation of energetic compounds in canyon evaporators. The amount of off-gas generated was relatively modest and appeared to be well within the venting capacity of the H-Canyon evaporators. A significant fraction of the organic components likely survives the evaporation process primarily as non-volatile components that are not expected to represent any new process concerns during downstream operations such as neutralization. Laboratory Waste solutions containing minor amounts of DIN can be safely received, stored, transferred, and processed through the canyon waste …
Date:
December 21, 2011
Creator:
Kyser, E.; Fondeur, F. & Crump, S.
Object Type:
Report
System:
The UNT Digital Library
Jackson County Herald-Tribune (Edna, Tex.), Vol. 105, No. 5, Ed. 1 Wednesday, December 21, 2011
Weekly newspaper from Edna, Texas that includes local, state, and national news along with advertising.
Date:
December 21, 2011
Creator:
Lundstrom, Chris
Object Type:
Newspaper
System:
The Portal to Texas History
Yoakum Herald-Times (Yoakum, Tex.), Vol. 119, No. 51, Ed. 1 Wednesday, December 21, 2011
Weekly newspaper from Yoakum, Texas that includes local, state, and national news along with advertising.
Date:
December 21, 2011
Creator:
McCracken, Michael S.
Object Type:
Newspaper
System:
The Portal to Texas History
FINAL SCIENTIFIC/TECHNICAL REPORT
Dynalene Inc has developed and patented a fuel cell coolant with the help of DOE SBIR Phase I and Phase II funding (Project DE-FG02-04ER83884). However, this coolant could only be produced in lab scale (500 ml to 2 L) due to problems in the optimization and scale-up of a nanoparticle ingredient. This project optimized the nanoparticle production process in 10 L and 100 L reactors (which translates to about 5000 gallons of coolant), optimized the filtration process for the nanoparticles, and develop a high throughput production as well as quality control method for the final coolant formulation. Scale-up of nanoparticle synthesis (using emulsion polymerization) is an extremely challenging task. Dynalene researchers, in collaboration with a university partner, identified all the parameters affecting the size, charge density and coagulation characteristics of the nanoparticles and then optimized these parameters to achieve the goals and the objectives of this project. Nanoparticle synthesis was demonstrated to be reproducible in the 10 L and 100 L scales.
Date:
December 21, 2011
Creator:
Mohapatra, Satish
Object Type:
Report
System:
The UNT Digital Library
The Lack of Torus Emission from BL Lacertae Objects: An Infrared View of Unification with WISE
This article uses data from the Wide-Field Infrared Survey Explorer to perform a statistical study on the mid-infrared properties of a large number of BL Lac objects.
Date:
December 21, 2011
Creator:
Plotkin, Richard M.; Anderson, Scott F.; Brandt, William Nielsen; Markoff, Sera; Shemmer, Ohad & Wu, Jianfeng
Object Type:
Article
System:
The UNT Digital Library
An inquiry into the uneven distribution of women’s HIV infection in rural Malawi
Article exploring elevated HIV levels in Malawi's Southern Region and the relationship between HIV levels, male circumcision, and marital histories.
Date:
December 21, 2011
Creator:
Poulin, Michelle
Object Type:
Article
System:
The UNT Digital Library
The Cuero Record (Cuero, Tex.), Vol. 117, No. 51, Ed. 1 Wednesday, December 21, 2011
Weekly newspaper from Cuero, Texas that includes local, state and national news along with advertising.
Date:
December 21, 2011
Creator:
Rea, Glenn
Object Type:
Newspaper
System:
The Portal to Texas History
The Genetic Information Nondiscrimination Act of 2008 and the Patient Protection and Affordable Care Act of 2010: Overview and Legal Analysis of Potential Interactions
None
Date:
December 21, 2011
Creator:
Sarata, Amanda K.; DeBergh, James V. & Staman, Jennifer A.
Object Type:
Report
System:
The UNT Digital Library