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3,020 Matching Results
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3,001 - 3,020 of
3,020
[Worrell-Harris-Ettlinger House]
Photograph of the Worrell-Harris-Ettlinger House in Austin, Texas.
Date:
March 1, 2002
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
[Worrell-Harris-Ettlinger House]
Photograph of the Worrell-Harris-Ettlinger House in Austin, Texas.
Date:
March 1, 2002
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
[Worrell-Harris-Ettlinger House]
Photograph of the Worrell-Harris-Ettlinger House in Austin, Texas.
Date:
March 1, 2002
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
[Worrell-Harris-Ettlinger House]
Photograph of the Worrell-Harris-Ettlinger House in Austin, Texas.
Date:
March 1, 2002
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
[Worrell-Harris-Ettlinger House]
Photograph of the Worrell-Harris-Ettlinger House in Austin, Texas.
Date:
March 1, 2002
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
[Worrell-Harris-Ettlinger House]
Photograph of the Worrell-Harris-Ettlinger House in Austin, Texas.
Date:
March 1, 2002
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
[Worrell-Harris-Ettlinger House]
Photograph of the Worrell-Harris-Ettlinger House in Austin, Texas.
Date:
March 1, 2002
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
WRCIP Environmental Test Shoot-Out, PEMS vs. CHP Surface Mount Transistors
None
Date:
November 1, 2002
Creator:
Sweet, James N.; Wavrik, Richard W.; Hwang, Stephen C.; Vigil, Daniel Donaciano; Curtis, Lorraine S.; Martinez, Jimmie T. et al.
Object Type:
Report
System:
The UNT Digital Library
The Wynnewood Gazette (Wynnewood, Okla.), Vol. 100, No. 18, Ed. 1 Thursday, August 1, 2002
Weekly newspaper from Wynnewood, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 1, 2002
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
X-0557 modified Steven tests : series I and II /.
Low-velocity mechanical impact leading to unintentional reaction is of concern in accident scenarios involving the handling, transport, and storage of high explosives (HE). These have been investigated using different experimental techniques, from small- to large-scale, including, but not limited to the drop weight impact, Taylor anvil impact, Susan,1 and more recently, the Steven and Modified Steven tests.2-8 Ideally, the data will be used to further advance 3-D finite element analysis predictive capability with improved bulk constitutive HE models for the assessment of HE response to mechanical insult. Our overall objectives for these experiments were to (1) evaluate the HE reaction threshold behavior for two different lots of X-0557, and (2) characterize the degree of reaction violence relative to a detonation. This report summarizes our single impact test results on the two different lots of X-0557 in Modified Steven targets.
Date:
January 1, 2002
Creator:
Straight, James W.; Osborn, Michael A.; Coulter, William L.; Mang, Joseph T.; Anderson, Mark C. & Idar, Deanne J.
Object Type:
Article
System:
The UNT Digital Library
X-O557 MODIFIED STEVEN TESTS: SERIES I AND II
None
Date:
January 1, 2002
Creator:
IDAR, D. J.; STRAIGHT, J. W. & AL, ET
Object Type:
Article
System:
The UNT Digital Library
xdamp Version 4: An IDL Based Data and Image Manipulation Program
The original DAMP (W t a Manipulation Program) was written by Mark Hedemann of Sandia National Laboratories and used the CA-DISSPLA{trademark} (available from Computer Associates International, Inc., Garden City, NY) graphics package as its engine. It was used to plot, modify, and otherwise manipulate the one-dimensional data waveforms (data vs. time) from a wide variety of accelerators. With the waning of CA-DISSPLA and the increasing popularity of Unix{reg_sign}-based workstations, a replacement was needed. This package uses the IDL{reg_sign} software, available from Research Systems Incorporated, a Xerox company, in Boulder, Colorado, as the engine, and creates a set of widgets to manipulate the data in a manner similar to the original DAMP and earlier versions of xdamp. IDL is currently supported on a wide variety of Unix platforms such as IBM{reg_sign} workstations, Hewlett Packard workstations, SUN{reg_sign} workstations, Microsoft{reg_sign} Windows{trademark} computers, Macintosh{reg_sign} computers and Digital Equipment Corporation VMS{reg_sign} and Alpha{reg_sign} systems. Thus, xdamp is portable across many platforms. We have verified operation, albeit with some minor IDL bugs, on personal computers using Windows 95 and Windows NT; IBM Unix platforms; DEC Alpha and VMS systems; HP 9000/700 series workstations; and Macintosh computers, both regular and PowerPC{trademark} versions. Version 4 is an update …
Date:
June 1, 2002
Creator:
Ballard, William P.
Object Type:
Report
System:
The UNT Digital Library
Xyce Parallel Electronic Simulator - User's Guide, Version 1.0
This manual describes the use of the Xyce Parallel Electronic Simulator code for simulating electrical circuits at a variety of abstraction levels. The Xyce Parallel Electronic Simulator has been written to support,in a rigorous manner, the simulation needs of the Sandia National Laboratories electrical designers. As such, the development has focused on improving the capability over the current state-of-the-art in the following areas: (1) Capability to solve extremely large circuit problems by supporting large-scale parallel computing platforms (up to thousands of processors). Note that this includes support for most popular parallel and serial computers. (2) Improved performance for all numerical kernels (e.g., time integrator, nonlinear and linear solvers) through state-of-the-art algorithms and novel techniques. (3) A client-server or multi-tiered operating model wherein the numerical kernel can operate independently of the graphical user interface (GUI). (4) Object-oriented code design and implementation using modern coding-practices that ensure that the Xyce Parallel Electronic Simulator will be maintainable and extensible far into the future. The code is a parallel code in the most general sense of the phrase--a message passing parallel implementation--which allows it to run efficiently on the widest possible number of computing platforms. These include serial, shared-memory and distributed-memory parallel as well …
Date:
November 1, 2002
Creator:
HUTCHINSON, SCOTT A; KEITER, ERIC R.; HOEKSTRA, ROBERT J.; WATERS, LON J.; RUSSO, THOMAS V.; RANKIN, ERIC LAMONT et al.
Object Type:
Report
System:
The UNT Digital Library
Y-12 Groundwater Protection Program Groundwater and Surface Water Sampling and Analysis Plan for Calendar Year 2003
This plan provides a description of the groundwater and surface water quality monitoring activities planned for calendar year (CY) 2003 at the U.S. Department of Energy (DOE) Y-12 National Security Complex that will be managed by the Y-12 Groundwater Protection Program (GWPP). Groundwater and surface water monitoring performed by the GWPP during CY 2003 will be in accordance with the following requirements of DOE Order 5400.1: (1) to evaluate and maintain surveillance of existing and potential groundwater contamination sources; (2) to provide for the early detection of groundwater contamination and determine the quality of groundwater and surface water where contaminants are most likely to migrate beyond the Oak Ridge Reservation property line; (3) to identify and characterize long-term trends in groundwater quality at Y-12; and (4) to provide data to support decisions concerning the management and protection of groundwater resources. Groundwater and surface water monitoring during CY 2003 will be performed primarily in three hydrogeologic regimes at Y-12: the Bear Creek Hydrogeologic Regime (Bear Creek Regime), the Upper East Fork Poplar Creek Hydrogeologic Regime (East Fork Regime), and the Chestnut Ridge Hydrogeologic Regime (Chestnut Ridge Regime). The Bear Creek and East Fork regimes are located in Bear Creek Valley, and …
Date:
September 1, 2002
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Yakima/Klickitat Fisheries Project: Management, Data and Habitat, Annual Report 2001-2002.
The Yakima/Klickitat Fisheries Project (YKFP or Project) is an all stock initiative that is responding to the need for scientific knowledge for rebuilding and maintaining naturally spawning anadromous fish stocks in both basins. The Yakama Nation, as the Lead Agency, in coordination with the co-managers, Washington Department of Fish and Wildlife and in cooperation with the Bonneville Power Administration, the funding agency, is pursuing this. We are testing the principles of supplementation as a means to rebuild fish populations through the use of locally adapted broodstock in an artificial production program. This concept is being utilized on the Spring Chinook within the Yakima River Basin. The coho and fall chinook programs were approved and implemented in the Yakima Basin. The coho programs principle objective is to determine if naturally spawning coho populations can be reintroduced throughout their biological range in the basin. The objective of the fall chinook program is to determine if supplementation is a viable strategy to increase fall chinook populations in the Yakima subbasin. The coho and fall chinook programs are under the three step process that was established by the Northwest Power Planning Council. The Klickitat subbasin management program is combined with the Yakima subbasin program. …
Date:
March 1, 2002
Creator:
Sampson, Melvin R.
Object Type:
Report
System:
The UNT Digital Library
Yakima/Klickitat Fisheries Project : Management, Data and Habitat, Annual Report 2002-2003.
The Yakima/Klickitat Fisheries Project (YKFP or Project) is an all stock initiative that is responding to the need for scientific knowledge for rebuilding and maintaining naturally spawning anadromous fish stocks in both basins. The Yakama Nation, as the Lead Agency, in coordination with the co-managers, Washington Department of Fish and Wildlife and in cooperation with the Bonneville Power Administration, the funding agency, is pursuing this. We are testing the principles of supplementation as a means to rebuild fish populations through the use of locally adapted broodstock in an artificial production program. This concept is being utilized on the Spring Chinook within the Yakima River Basin. The coho and fall chinook programs were approved and implemented in the Yakima Basin. The coho programs principle objective is to determine if naturally spawning coho populations can be reintroduced throughout their biological range in the basin. The objective of the fall chinook program is to determine if supplementation is a viable strategy to increase fall chinook populations in the Yakima subbasin. The coho and fall chinook programs are under the three step process that was established by the Northwest Power Planning Council. The Klickitat subbasin management program is combined with the Yakima subbasin program. …
Date:
March 1, 2002
Creator:
Sampson, Melvin R.
Object Type:
Report
System:
The UNT Digital Library
Yakima River Basin Phase II Fish Screen Evaluations, 2001.
In the summer and fall of 2001 the Pacific Northwest National Laboratory (PNNL) evaluated 23 Phase II fish screen sites in the Yakima River Basin as part of a multi-year study for the Bonneville Power Administration (BPA) on the effectiveness of fish screening devices. Data were collected to determine if velocities in front of the screens and in the bypasses met current National Marine Fisheries Service (NMFS) criteria to promote safe and timely fish passage and whether bypass outfall conditions allowed fish to safely return to the river. Based on our studies in 2001, we concluded that: in general, water velocity conditions at the screen sites met fish passage criteria set forth by the NMFS; most facilities efficiently protected juvenile fish from entrainment, impingement, or migration delay; automated cleaning brushes generally functioned properly; chains and other moving parts were well greased and operative; and removal of sediment build-up and accumulated leafy and woody debris are areas that continue to improve. Continued periodic screen evaluations will increase the effectiveness of screen operation and maintenance practices by confirming the effectiveness (or ineffectiveness) of screen operating procedures at individual sites. Where procedures are being followed and problems still occur, evaluation results can be …
Date:
January 1, 2002
Creator:
Carter, J. A.; McMichael, Geoffrey A. & Chamness, M. A.
Object Type:
Report
System:
The UNT Digital Library
Year 5 Post-Remediation Biomonitoring of Pesticides and other Contaminants in Marine Waters near the United Heckathorn Superfund Site, Richmond, California
Marine sediment remediation at the United Heckathorn Superfund Site in Richmond, California, was completed in April 1997. The Record of Decision included a requirement for five years of post-remediation monitoring be conducted in the waterways near the site. The present monitoring year, 2001? 2002, is the fifth and possibly final year of post-remediation monitoring. In March 2002, water and mussel tissues were collected from the four stations in and near Lauritzen Channel that have been routinely monitored since 1997-98. A fifth station in Parr Canal was sampled in Year 5 to document post-remediation water and tissue concentrations there. Dieldrin and dichlorodiphenyl trichloroethane (DDT) were analyzed in water samples and in tissue samples from resident (i.e., naturally occurring) mussels. As in Years 3 and 4, mussels were not transplanted to the study area in Year 5. Year 5 concentrations of dieldrin and total DDT in water and total DDT in tissue were compared with those from Years 1 through 4 of post-remediation monitoring, and with preremediation data from the California State Mussel Watch Program and the Ecological Risk Assessment for the United Heckathorn Superfund Site. Year 5 water samples and mussel tissues were also analyzed for polychlorinated biphenyls (PCB), which were …
Date:
August 1, 2002
Creator:
Kohn, Nancy P. & Kropp, Roy K.
Object Type:
Report
System:
The UNT Digital Library
Z-Interop Interoperability Testing Policies and Procedures: Phase 1 Testing
This document provides an overview and the details of policies and procedures of the Z39.50 Interoperability Testbed Project (referred to as Z-Interop). Specifically, the document lays out the responsibilities and obligations of the Z-Interop testbed and the organizations that participate in interoperability testing. For purposes of this document, Z-Interop staff refers to all members of the Z39.50 Interoperability Testbed Project. Z-Interop participant refers to an individual or organization who tests its Z39.50 client or Z39.50 server through the Z39.50 Interoperability Testbed.
Date:
February 1, 2002
Creator:
Moen, William E.
Object Type:
Text
System:
The UNT Digital Library
Zion National Park Visitor Center: Significant Energy Savings Achieved through a Whole-Building Design Process: Preprint
The National Park Service (NPS) applied a whole-building design process developed at the National Renewable Energy Laboratory (NREL) to create a building that performs more than 70% better than a comparable code-compliant building at no additional construction cost. This whole-building design process involves a committed design team, including the energy consultant, in the earliest conceptual design phase and continues through building commissioning. The design team for this project included the architect, engineer, energy consultant, landscape architect, owner, operator, and others who could influence the building design and operation. Extensive whole-building energy and lighting computer simulations were conducted throughout the process, which included the integration of energy efficient and renewable energy technologies into the building. The design team, inspired by natural cooling within the canyon, developed simple solutions to create an extremely energy efficient building. The se strategies included natural ventilation cooling, cooltowers for evaporative cooling without distribution fans, daylighting, massive building materials, Trombe walls and direct solar gains for heating, engineered window overhangs for solar load control, a building automation system to maintain comfort and control the energy-efficient lighting system, and a roof-mounted photovoltaic system to offset building electrical loads and ensure a power supply during the frequent utility grid …
Date:
July 1, 2002
Creator:
Torcellini, P.; Judkoff, R. & Hayter, S.
Object Type:
Article
System:
The UNT Digital Library