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North Texas Daily (Denton, Tex.), Vol. 96, No. 45, Ed. 1 Thursday, November 11, 2010
Daily student newspaper from the University of North Texas in Denton, Texas that includes local, state, and campus news along with advertising.
Date:
November 11, 2010
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Jewish Post (Fort Worth, Tex.), Vol. 64, No. 45, Ed. 1 Thursday, November 11, 2010
Weekly Jewish newspaper from Fort Worth, Texas that includes local, state and national news along with extensive advertising.
Date:
November 11, 2010
Creator:
Wisch-Ray, Sharon
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Register, Volume 36, Number 45, Pages 7611-7726, November 11, 2011
A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date:
November 11, 2011
Creator:
Texas. Secretary of State.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Dallas Voice (Dallas, Tex.), Vol. 28, No. 26, Ed. 1 Friday, November 11, 2011
Weekly newspaper from Dallas, Texas that includes local, state, and national news and advertising of interest to the Lesbian, Gay, Bisexual, and Transgender (LGBT) community.
Date:
November 11, 2011
Creator:
Nash, Tammye
Object Type:
Newspaper
System:
The UNT Digital Library
Fighting Fire with Fire: Modeling the Datacenter-Scale Effects of Targeted Superlattice Thermal Management
Local thermal hot-spots in microprocessors lead to worst case provisioning of global cooling resources, especially in large-scale systems. However, efficiency of cooling solutions degrade non-linearly with supply temperature, resulting in high power consumption and cost in cooling - 50 {approx} 100% of IT power. Recent advances in active cooling techniques have shown on-chip thermoelectric coolers (TECs) to be very efficient at selectively eliminating small hot-spots, where applying current to a superlattice film deposited between silicon and the heat spreader results in a Peltier effect that spreads the heat and lowers the temperature of the hot-spot significantly to improve chip reliability. In this paper, we propose that hot-spot mitigation using thermoelectric coolers can be used as a power management mechanism to allow global coolers to be provisioned for a better worst case temperature leading to substantial savings in cooling power. In order to quantify the potential power savings from using TECs in data center servers, we present a detailed power model that integrates on-chip dynamic and leakage power sources, heat diffusion through the entire chip, TEC and global cooler efficiencies, and all their mutual interactions. Our multiscale analysis shows that, for a typical data center, TECs allow global coolers to operate …
Date:
November 11, 2010
Creator:
Biswas, S; Tiwari, M; Theogarajan, L; Sherwood, T P & Chong, F T
Object Type:
Article
System:
The UNT Digital Library
Modeling Temporal Behavior in Large Networks: A Dynamic Mixed-Membership Model
Given a large time-evolving network, how can we model and characterize the temporal behaviors of individual nodes (and network states)? How can we model the behavioral transition patterns of nodes? We propose a temporal behavior model that captures the 'roles' of nodes in the graph and how they evolve over time. The proposed dynamic behavioral mixed-membership model (DBMM) is scalable, fully automatic (no user-defined parameters), non-parametric/data-driven (no specific functional form or parameterization), interpretable (identifies explainable patterns), and flexible (applicable to dynamic and streaming networks). Moreover, the interpretable behavioral roles are generalizable, computationally efficient, and natively supports attributes. We applied our model for (a) identifying patterns and trends of nodes and network states based on the temporal behavior, (b) predicting future structural changes, and (c) detecting unusual temporal behavior transitions. We use eight large real-world datasets from different time-evolving settings (dynamic and streaming). In particular, we model the evolving mixed-memberships and the corresponding behavioral transitions of Twitter, Facebook, IP-Traces, Email (University), Internet AS, Enron, Reality, and IMDB. The experiments demonstrate the scalability, flexibility, and effectiveness of our model for identifying interesting patterns, detecting unusual structural transitions, and predicting the future structural changes of the network and individual nodes.
Date:
November 11, 2011
Creator:
Rossi, R.; Gallagher, B.; Neville, J. & Henderson, K.
Object Type:
Report
System:
The UNT Digital Library
ASSESSMENT OF THE ABILITY OF STANDARD SLURRY PUMPS TO MIX SOLIDS WITH LIQUIDS IN TANK 50H
Tank 50H is the feed tank for the Saltstone Production Facility (SPF). In the summer of 2011, Tank 50H contained two standard slurry pumps and two quad volute slurry pumps. Current requirements for mixing operation is to run three pumps for one hour prior to initiating a feed transfer to SPF. Savannah River Site (SRS) Liquid Waste moved both of the Quad Volute pumps from Tank 50H to Tank 51H to replace pumps in Tank 51H that were failing. In addition, one of the standard pumps in Tank 50H exhibits high seal leakage and vibration. SRS Liquid Waste requested Savannah River National Laboratory (SRNL) to conduct a study to evaluate the feasibility of mixing the contents of Tank 50H with one to three standard slurry pumps. To determine the pump requirements to mix solids with liquids in Tank 50H, the author reviewed the pilot-scale blending work performed for the Small Column Ion Exchange Process (SCIX), SRNL computational fluid dynamics (CFD) modeling, Tank 50H operating experience, and the technical literature, and applied the results to Tank 50H to determine the number, size, and operating parameters of pumps needed to mix the solid particles with the liquid in Tank 50H. The analysis …
Date:
November 11, 2011
Creator:
Poirier, M.
Object Type:
Report
System:
The UNT Digital Library
Present Status And First Results of the Final Focus Beam Line at the KEK Accelerator Test Facility
ATF2 is a final-focus test beam line which aims to focus the low emittance beam from the ATF damping ring to a vertical size of about 37 nm and to demonstrate nanometer level beam stability. Several advanced beam diagnostics and feedback tools are used. In December 2008, construction and installation were completed and beam commissioning started, supported by an international team of Asian, European, and U.S. scientists. The present status and first results are described.
Date:
November 11, 2011
Creator:
Bambade, P.; Alabau Pons, M.; Amann, J.; Angal-Kalinin, D.; Apsimon, R.; Araki, S. et al.
Object Type:
Article
System:
The UNT Digital Library
Independent Confirmatory Survey Report for the University of Arizona Nuclear Reactor Laboratory, Tucson, Arizona
The University of Arizona (University) research reactor is a TRIGA swimming pool type reactor designed by General Atomics and constructed at the University in 1958. The reactor first went into operation in December of 1958 under U.S. Nuclear Regulatory Commission (NRC) license R-52 until final shut down on May 18, 2010. Initial site characterization activities were conducted in February 2009 during ongoing reactor operations to assess the radiological status of the Nuclear Reactor Laboratory (NRL) excluding the reactor tank, associated components, and operating systems. Additional post-shutdown characterization activities were performed to complete characterization activities as well as verify assumptions made in the Decommissioning Plan (DP) that were based on a separate activation analysis (ESI 2009 and WMG 2009). Final status survey (FSS) activities began shortly after the issuance of the FSS plan in May 2011. The contractor completed measurement and sampling activities during the week of August 29, 2011.
Date:
November 11, 2011
Creator:
Altic, Nick A.
Object Type:
Report
System:
The UNT Digital Library
DOE 2010 Occupational Radiation Exposure November 2011
This report discusses radiation protection and dose reporting requirements, presents the 2010 occupational radiation dose data trended over the past 5 years, and includes instructions to submit successful ALARA projects.
Date:
November 11, 2011
Creator:
U.S. Department of Energy, Office of Health, Safety and Security, Office of Analysis
Object Type:
Report
System:
The UNT Digital Library
Probing the eV-Mass Range for Solar Axions with CAST
The CERN Axion Solar Telescope (CAST) is searching for solar axions which could be produced in the core of the Sun via the so-called Primakoff effect. Not only would these hypothetical particles solve the strong CP problem, but they are also one of the favored candidates for dark matter. In order to look for axions originating from the Sun, CAST uses a decommissioned LHC prototype magnet. In its 10 m long magnetic field region of 9 Tesla, axions could be reconverted into X-ray photons. Different X-ray detectors are installed on both ends of the magnet, which is mounted on a structure built to follow the Sun during sunrise and sunset for a total of about 3 hours per day. The analysis of the data acquired during the first phase of the experiment with vacuum in the magnetic field region yielded the most restrictive experimental upper limit on the axion-to-photon coupling constant for axion masses up to about 0.02 eV. In order to extend the sensitivity of the experiment to a wider mass range, the CAST experiment continues its search for axions with helium in the magnet bores. In this way it is possible to restore coherence of conversion for larger …
Date:
November 11, 2010
Creator:
Vogel, J K; Pivovaroff, M J; Soufli, R; van Bibber, K & CAST, C
Object Type:
Article
System:
The UNT Digital Library
Assessment of the Potential for Hydrogen Generation During Grouting Operations in C-Reactor Disassembly Basin
To address this potential deflagration/explosion hazard, Savannah River National Laboratory (SRNL) reviewed and evaluated existing experimental and analytical studies of this issue to determine if any process constraints are necessary.
Date:
November 11, 2011
Creator:
Wiersma, B.
Object Type:
Report
System:
The UNT Digital Library
Precision Electroweak Measurements and Constraints on the Standard Model
This note presents constraints on Standard Model parameters using published and preliminary precision electroweak results measured at the electron-positron colliders LEP and SLC. The results are compared with precise electroweak measurements from other experiments, notably CDF and D0 at the Tevatron. Constraints on the input parameters of the Standard Model are derived from the results obtained in high-Q{sup 2} interactions, and used to predict results in low-Q{sup 2} experiments, such as atomic parity violation, Moller scattering, and neutrino-nucleon scattering. The main changes with respect to the experimental results presented in 2007 are new combinations of results on the W-boson mass and width and the mass of the top quark.
Date:
November 11, 2011
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Ray-tracing tutorial
N/A
Date:
November 11, 2012
Creator:
F., Meot
Object Type:
Article
System:
The UNT Digital Library
W-Band Sheet Beam Klystron Design
Sheet beam devices provide important advantages for very high power, narrow bandwidth RF sources like accelerator klystrons [1]. Reduced current density and increased surface area result in increased power capabi1ity, reduced magnetic fields for focusing and reduced cathode loading. These advantages are offset by increased complexity, beam formation and transport issues and potential for mode competition in the ovennoded cavities and drift tube. This paper will describe the design issues encountered in developing a 100 kW peak and 2 kW average power sheet beam k1ystron at W-band including beam formation, beam transport, circuit design, circuit fabrication and mode competition.
Date:
November 11, 2011
Creator:
Scheitrum, G.; Caryotakis, G.; Burke, A.; Jensen, A.; Neubauer, M.; Phillips, R. et al.
Object Type:
Article
System:
The UNT Digital Library
Driving Oxygen Coordinated Ligand Exchange at Nanocrystal Surfaces using Trialkylsilylated Chalcogenides
A general, efficient method is demonstrated for exchanging native oxyanionic ligands on inorganic nanocrystals with functional trimethylsilylated (TMS) chalcogenido ligands. In addition, newly synthesized TMS mixed chalcogenides leverage preferential reactivity of TMS-S bonds over TMS-O bonds, enabling efficient transfer of luminescent nanocrystals into aqueous media with retention of their optical properties.
Date:
November 11, 2010
Creator:
Caldwell, Marissa A.; Albers, Aaron E.; Levy, Seth C.; Pick, Teresa E.; Cohen, Bruce E.; Helms, Brett A. et al.
Object Type:
Article
System:
The UNT Digital Library
OSI Passive Seismic Experiment at the Former Nevada Test Site
On-site inspection (OSI) is one of the four verification provisions of the Comprehensive Nuclear Test Ban Treaty (CTBT). Under the provisions of the CTBT, once the Treaty has entered into force, any signatory party can request an on-site inspection, which can then be carried out after approval (by majority voting) of the Executive Council. Once an OSI is approved, a team of 40 inspectors will be assembled to carry out an inspection to ''clarify whether a nuclear weapon test explosion or any other nuclear explosion has been carried out in violation of Article I''. One challenging aspect of carrying out an on-site inspection (OSI) in the case of a purported underground nuclear explosion is to detect and locate the underground effects of an explosion, which may include an explosion cavity, a zone of damaged rock, and/or a rubble zone associated with an underground collapsed cavity. The CTBT (Protocol, Section II part D, paragraph 69) prescribes several types of geophysical investigations that can be carried out for this purpose. One of the methods allowed by the CTBT for geophysical investigation is referred to in the Treaty Protocol as ''resonance seismometry''. This method, which was proposed and strongly promoted by Russia during …
Date:
November 11, 2010
Creator:
Sweeney, J. J. & Harben, P.
Object Type:
Report
System:
The UNT Digital Library
DETERMINATION OF IN-VITRO LUNG SOLUBILITY AND INTAKE-TO-DOSE CONVERSION FACTOR FOR TRITIATED LANTHANUM NICKEL ALUMINUM ALLOY
A sample of tritiated lanthanum nickel aluminum alloy (LaNi4.25Al0.75 or LANA.75) similar to that used at the Savannah River Site Tritium Facilities was analyzed to estimate the particle size distribution of this metal tritide powder and the rate, at which this material dissolves in the human respiratory tract after it is inhaled. This information is used to calculate the committed effective dose received by a worker after inhaling the material. These doses, which were calculated using the same methodology given in the DOE Tritium Handbook, are presented as inhalation intake-to-dose conversion factors (DCF). The DCF for this metal tritide is less than the DCF for tritiated water and radiation worker bioassay programs designed for tritiated water are adequate to monitor for intakes of this material.
Date:
November 11, 2011
Creator:
Farfan, Eduardo B.; Labone, Thomas R.; Staack, Gregory C.; Cheng, Yung-Sung; Zhou, Yue & Varallo, Thomas P.
Object Type:
Report
System:
The UNT Digital Library
Release of the ENDF/B-VII.1 Evaluated Nuclear Data File
N/A
Date:
November 11, 2012
Creator:
D., Brown
Object Type:
Report
System:
The UNT Digital Library
TXSSAR, Arlington Chapter 7 Treasurer's Report, November 11, 2017
TXSSAR, Arlington Chapter 7, treasurer's report for November 2017. The report was written by TXSSAR, Arlington Chapter 7 Treasurer Dennis Walton.
Date:
November 11, 2017
Creator:
Texas Society Sons of the American Revolution, Arlington Chapter 7
Object Type:
Text
System:
The UNT Digital Library
[TXSSAR Arlington chapter members holding certificates]
Photograph of the TXSSAR Arlington chapter members holding up their certificates of merit presented to (L-R) John Anderson, Richard Coffey and David Friels. The chapter members were photographed during the Texas State Fair of 2017.
Date:
November 11, 2017
Creator:
Texas Society Sons of the American Revolution, Arlington Chapter 7
Object Type:
Photograph
System:
The UNT Digital Library
TXSSAR, Arlington Chapter 7 Registrar's Report November 11, 2017
Registrar's report for November 2017. TXSSAR, Arlington Chapter 7 Registrar Kevin Snell Jorrey compiled the list of members and applicants.
Date:
November 11, 2017
Creator:
Texas Society Sons of the American Revolution, Arlington Chapter 7
Object Type:
Text
System:
The UNT Digital Library
Final Technical Report: Effects of Impurities on Fuel Cell Performance and Durability
The main objectives of this project were to investigate the effect of a series of potential impurities on fuel cell operation and on the particular components of the fuel cell MEA, to propose (where possible) mechanism(s) by which these impurities affected fuel cell performance, and to suggest strategies for minimizing these impurity effects. The negative effect on Pt/C was to decrease hydrogen surface coverage and hydrogen activation at fuel cell conditions. The negative effect on Nafion components was to decrease proton conductivity, primarily by replacing/reacting with the protons on the Bronsted acid sites of the Nafion. Even though already well known as fuel cell poisons, the effects of CO and NH3 were studied in great detail early on in the project in order to develop methodology for evaluating poisoning effects in general, to help establish reproducibility of results among a number of laboratories in the U.S. investigating impurity effects, and to help establish lower limit standards for impurities during hydrogen production for fuel cell utilization. New methodologies developed included (1) a means to measure hydrogen surface concentration on the Pt catalyst (HDSAP) before and after exposure to impurities, (2) a way to predict conductivity of a Nafion membranes exposed to …
Date:
November 11, 2011
Creator:
Goodwin, James G., Jr.; Colon-Mercado, Hector; Hongsirikarn, Kitiya & Zhang, Jack Z.
Object Type:
Report
System:
The UNT Digital Library
[Business Leadership Building exterior at night]
Photograph of the exterior of the Business Leadership Building and the landscaping around it at night. There are lights on along the pathway leading to the entrance doors and lights on inside of the building
Date:
November 11, 2011
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library