Cost-Effective Silicon Wafers for Solar Cells (open access)

Cost-Effective Silicon Wafers for Solar Cells

Advanced Research Projects Agency-Energy project sheet summarizing general information about a new program for hydrogen fuel cell vehicles (project title "Direct Wafer Enabling Terawatt Photovoltaics") including critical needs, innovation and advantages, impacts, and contact information. This sheet is the first open solicitation, announcing funding opportunities for involvement in the project.
Date: May 11, 2012
Creator: 1366 Technologies, Inc.
Object Type: Text
System: The UNT Digital Library
Electricity: The Road Toward Restructuring (open access)

Electricity: The Road Toward Restructuring

This report talks about Electricity regulation and transmission issues. It also includes the history of the California Electricity Crisis.
Date: May 11, 2000
Creator: Abel, Amy & Parker, Larry
Object Type: Report
System: The UNT Digital Library
Scientific Report (2002-2004) (open access)

Scientific Report (2002-2004)

OAK-B135 An overview of our work as well as two recent publications are contained in this scientific report. The work reported here revolves around the discovery of new coherent nonlinear kinetic waves in laser produced plasmas, we call KEEN waves (kinetic, electrostatic electron nonlinear waves), and optical mixing experiments on the Imega laser system at LLE with blue-green light for the exploration of ways to suppress parametric instabilities in long scale length, long pulsewidth laser-plasmas such as those which will be found on NIF or LMJ.
Date: May 11, 2004
Creator: Afeyan, Bedros
Object Type: Report
System: The UNT Digital Library
Engineering Enzymes in Energy Crops (open access)

Engineering Enzymes in Energy Crops

Advanced Research Projects Agency-Energy project sheet summarizing general information about a new program to engineer plants to produce enzymes that will reduce costs in the production of biofuel (project title "Conditionally Activated Enzymes Expressed in Cellulosic Energy Crops") including critical needs, innovation and advantages, impacts, and contact information. This sheet is the first open solicitation, announcing funding opportunities for involvement in the project.
Date: May 11, 2012
Creator: Agrivdia
Object Type: Text
System: The UNT Digital Library
Supersymmetry in Particle Physics - An Elementary Introduction (open access)

Supersymmetry in Particle Physics - An Elementary Introduction

None
Date: May 11, 2007
Creator: Aitchison, I.J.R. & /Oxford U., Theor. Phys. /SLAC
Object Type: Report
System: The UNT Digital Library
Design for a Knife (open access)

Design for a Knife

Patent for a design for a knife that has a curved terminal that forms a shield.
Date: May 11, 1897
Creator: Albert, Alfred K.
Object Type: Patent
System: The Portal to Texas History
Telephone-Transmitter. (open access)

Telephone-Transmitter.

Patent for a granulated-electrode phone transmitter that is designed to be simple and "constructed so that the granulated-electrode cannot become displaced from the cell" (lines 10-12).
Date: May 11, 1897
Creator: Alexander, Horace C.
Object Type: Patent
System: The Portal to Texas History
Electron Line Broadening in Plasmas: Resolution of the Quantum vs. Semiclassical Calculations Puzzle (open access)

Electron Line Broadening in Plasmas: Resolution of the Quantum vs. Semiclassical Calculations Puzzle

Puzzling discrepancies between on the one hand quantum mechanical (QM) electron impact calculations of isolated ion lines and on the other hand experimental data and nonperturbative semiclassical (SC) calculations are reviewed. The origin of these discrepancies was a standard line-broadening literature estimate of the wavefunction extent. The nonperturbative semiclassical calculations are further improved by dropping the long-range approximation and allowing penetrating collisions. This results in excellent agreement with fully quantal calculations for the case of the BIII 2s-2p line. On the other hand the standard perturbative semiclassical method is inadequate even in this particular example, where perturbation theory is valid. Further, the assumption of neglecting the back-reaction in semiclassical calculations is examined.
Date: May 11, 2004
Creator: Alexiou, S & Lee, R
Object Type: Article
System: The UNT Digital Library
Fuel From Algae (open access)

Fuel From Algae

Advanced Research Projects Agency-Energy project sheet summarizing general information about a new program to efficiently separate micro-solids from water (project title "Scaling and Commercialization of Algae Harvesting Technologies") including critical needs, innovation and advantages, impacts, and contact information. This sheet is the first open solicitation, announcing funding opportunities for involvement in the project.
Date: May 11, 2012
Creator: Algaeventure Systems
Object Type: Text
System: The UNT Digital Library
Setting-Basin Separating Device (open access)

Setting-Basin Separating Device

Patent for Settling Basin-Separating Devices. This device improves the issue of unwanted discharge shown in prior devices
Date: May 11, 1990
Creator: Allen, Charles
Object Type: Patent
System: The Portal to Texas History
Buckle (open access)

Buckle

Patent for a buckle. Illustration included.
Date: May 11, 1909
Creator: Allen, Orcenith F.
Object Type: Patent
System: The Portal to Texas History
ELIMINATION OF THE CHARACTERIZATION OF DWPF POUR STREAM SAMPLE AND THE GLASS FABRICATION AND TESTING OF THE DWPF SLUDGE BATCH QUALIFICATION SAMPLE (open access)

ELIMINATION OF THE CHARACTERIZATION OF DWPF POUR STREAM SAMPLE AND THE GLASS FABRICATION AND TESTING OF THE DWPF SLUDGE BATCH QUALIFICATION SAMPLE

A recommendation to eliminate all characterization of pour stream glass samples and the glass fabrication and Product Consistency Test (PCT) of the sludge batch qualification sample was made by a Six-Sigma team chartered to eliminate non-value-added activities for the Defense Waste Processing Facility (DWPF) sludge batch qualification program and is documented in the report SS-PIP-2006-00030. That recommendation was supported through a technical data review by the Savannah River National Laboratory (SRNL) and is documented in the memorandums SRNL-PSE-2007-00079 and SRNL-PSE-2007-00080. At the time of writing those memorandums, the DWPF was processing sludge-only waste but, has since transitioned to a coupled operation (sludge and salt). The SRNL was recently tasked to perform a similar data review relevant to coupled operations and re-evaluate the previous recommendations. This report evaluates the validity of eliminating the characterization of pour stream glass samples and the glass fabrication and Product Consistency Test (PCT) of the sludge batch qualification samples based on sludge-only and coupled operations. The pour stream sample has confirmed the DWPF's ability to produce an acceptable waste form from Slurry Mix Evaporator (SME) blending and product composition/durability predictions for the previous sixteen years but, ultimately the pour stream analysis has added minimal value to …
Date: May 11, 2012
Creator: Amoroso, J.; Peeler, D. & Edwards, T.
Object Type: Report
System: The UNT Digital Library
Advanced High-Speed Framing Camera Development for Fast, Visible Imaging Experiments (open access)

Advanced High-Speed Framing Camera Development for Fast, Visible Imaging Experiments

The advances in high-voltage switching developed in this project allow a camera user to rapidly vary the number of output frames from 1 to 25. A high-voltage, variable-amplitude pulse train shifts the deflection location to the new frame location during the interlude between frames, making multiple frame counts and locations possible. The final deflection circuit deflects to five different frame positions per axis, including the center position, making for a total of 25 frames. To create the preset voltages, electronically adjustable {+-}500 V power supplies were chosen. Digital-to-analog converters provide digital control of the supplies. The power supplies are clamped to {+-}400 V so as not to exceed the voltage ratings of the transistors. A field-programmable gated array (FPGA) receives the trigger signal and calculates the combination of plate voltages for each frame. The interframe time and number of frames are specified by the user, but are limited by the camera electronics. The variable-frame circuit shifts the plate voltages of the first frame to those of the second frame during the user-specified interframe time. Designed around an electrostatic image tube, a framing camera images the light present during each frame (at the photocathode) onto the tube’s phosphor. The phosphor persistence …
Date: May 11, 2011
Creator: Amy Lewis, Stuart Baker, Brian Cox, Abel Diaz, David Glass, Matthew Martin
Object Type: Article
System: The UNT Digital Library
Nuclear Storage Overpack Door Actuator and Alignment Apparatus (open access)

Nuclear Storage Overpack Door Actuator and Alignment Apparatus

The invention is a door actuator and alignment apparatus for opening and closing the 15,000-pound horizontally sliding door of a storage overpack. The door actuator includes a ball screw mounted horizontally on a rigid frame including a pair of door panel support rails. An electrically powered ball nut moves along the ball screw. The ball nut rotating device is attached to a carriage. The carriage attachment to the sliding door is horizontally pivoting. Additional alignment features include precision cam followers attached to the rails and rail guides attached to the carriage.
Date: May 11, 2005
Creator: Andreyko, Gregory M.
Object Type: Patent
System: The UNT Digital Library
Effects of Radiative Recombination and Photon Recycling on Minority Carrier Lifetime in Epitaxial GaINAsSb Lattice-matched to GaSb (open access)

Effects of Radiative Recombination and Photon Recycling on Minority Carrier Lifetime in Epitaxial GaINAsSb Lattice-matched to GaSb

None
Date: May 11, 2004
Creator: Anikeev, S.; Donetsky, D.; Belenky, G.; Luryl, S.; Wang, C. A.; Shiau, D. A. et al.
Object Type: Report
System: The UNT Digital Library
Benchmarking D and D procurement best practices at four commercial nuclear power plants. (open access)

Benchmarking D and D procurement best practices at four commercial nuclear power plants.

The Department of Energy (DOE) has as two of its strategic objectives to safely accomplish the world's largest environmental clean-up of contaminated sites and the adoption of the best management practices of the private sector to achieve business-like results efficiently and effectively. An integral part of the strategic response to the challenges facing the Department has been the use of benchmarking and best practice management to facilitate identifying and implementing leading-edge thinking, practices, approaches, and solutions.
Date: May 11, 1999
Creator: Arflin, J.; Baker, G.; Bidwell, B.; Bugielski, D.; Cavanagh, J. & Sandlin, N.
Object Type: Article
System: The UNT Digital Library
Search for B0 to phi(K+pi-) Decays with Large K+pi- Invariant Mass (open access)

Search for B0 to phi(K+pi-) Decays with Large K+pi- Invariant Mass

None
Date: May 11, 2007
Creator: Aubert, B.
Object Type: Article
System: The UNT Digital Library
Search for D^0-\overline{D}^0 Mixing Using Doubly Flavor TaggedSemileptonic Decay Modes (open access)

Search for D^0-\overline{D}^0 Mixing Using Doubly Flavor TaggedSemileptonic Decay Modes

None
Date: May 11, 2007
Creator: Aubert, B.
Object Type: Article
System: The UNT Digital Library
Search for the Radiative Leptonic Decay B^{+} to gamma \ell^{+}\nu_{\ell} (open access)

Search for the Radiative Leptonic Decay B^{+} to gamma \ell^{+}\nu_{\ell}

None
Date: May 11, 2007
Creator: Aubert, B.; Bona, M.; Boutigny, D.; Karyotakis, Y.; Lees, J. P.; Poireau, V. et al.
Object Type: Article
System: The UNT Digital Library
Plow. (open access)

Plow.

Patent for a plow, which attaches to cultivators that both turns the earth destroying weeds and puts some soil around the tops of the young plants to keep them low growing.
Date: May 11, 1909
Creator: Avery, Charles Lafayette
Object Type: Patent
System: The Portal to Texas History
First-principles study of Se-intercalated graphite (open access)

First-principles study of Se-intercalated graphite

Se-intercalated graphite compounds (Se-GICs) are considered as promising candidates for room-temperature thermoelectric cooling devices. Here the authors analyze the crystallographic structure and electronic properties of these materials within the framework of density-functional theory. First, the Adaptive-Coordinate Real-space Electronic Structure (ACRES) code is used to determine the stable structure of a representative stage-2 Se-GIC by relaxing atomic positions. The stable configuration is found to be a pendant-type structure, in which each selenium is bonded covalently to two atoms within the same carbon layer, causing a local distortion of the in-plane conjugation of the graphite. Then, they use the full potential linearized augmented plane wave (FP-LAPW) method to calculate the electronic band structure of the material and discuss its properties. Near the Fermi energy E{sub F}, there are wide bands originating from the host graphitic electronic structure and a few very narrow bands mainly of Se 4p character. The latter bands contribute to high peaks in the density of states close to E{sub F}. They show that this feature, although typical of many good thermoelectrics, does not necessarily imply high thermopower in the case of Se-GICs.
Date: May 11, 2000
Creator: BARTKOWIAK,M.; MODINE,NORMAND A.; SOFO,J.O. & MAHAN,G.D.
Object Type: Article
System: The UNT Digital Library
Tank 241-SY-102 January 2000 Compatibility Grab Samples Analytical Results for the Final Report [SEC 1 and 2] (open access)

Tank 241-SY-102 January 2000 Compatibility Grab Samples Analytical Results for the Final Report [SEC 1 and 2]

This document is the format IV, final report for the tank 241-SY-102 (SY-102) grab samples taken in January 2000 to address waste compatibility concerns. Chemical, radiochemical, and physical analyses on the tank SY-102 samples were performed as directed in Comparability Grab Sampling and Analysis Plan for Fiscal Year 2000 (Sasaki 1999). No notification limits were exceeded. Preliminary data on samples 2SY-99-5, -6, and -7 were reported in ''Format II Report on Tank 241-SY-102 Waste Compatibility Grab Samples Taken in January 2000'' (Lockrem 2000). The data presented here represent the final results.
Date: May 11, 2000
Creator: BELL, K.E.
Object Type: Report
System: The UNT Digital Library
Experimental Determination of Apery-Like Identities forZeta(2n+2) (open access)

Experimental Determination of Apery-Like Identities forZeta(2n+2)

We document the discovery of two generating functions forzeta(2n+2), analogous to earlier work for zeta(2n+1) and zeta(4n+3),initiated by Koecher and pursued further by Borwein, Bradley andothers.
Date: May 11, 2005
Creator: Bailey, David H.; Borwein, Jonathan M. & Bradley, David M.
Object Type: Article
System: The UNT Digital Library
Internal dosimetry performing dose assessments via bioassay measurements (open access)

Internal dosimetry performing dose assessments via bioassay measurements

The Internal Dosimetry Department at the Y-12 Plant maintains a state-of-the-art bioassay program managed under the guidance and regulations of the Department of Energy. The two major bioassay techniques currently used at Y-12 are the in vitro (urinalysis) and in vivo (lung counting) programs. Fecal analysis (as part of the in vitro program) is another alternative; however, since both urine and fecal analysis provide essentially the same capabilities for detecting exposures to uranium, the urinalysis is the main choice primarily for aesthetic reasons. The bioassay frequency is based on meeting NCRP 87 objectives which are to monitor the accumulation of radioactive material in exposed individuals, and to ensure that significant depositions are detected.
Date: May 11, 1993
Creator: Bailey, K. M.
Object Type: Report
System: The UNT Digital Library