Resource Type

Environmental Biosciences Program Third Quarter Report (open access)

Environmental Biosciences Program Third Quarter Report

In May 2002, the United States Department of Energy (DOE) signed Assistance Instrument Number DE-FC09-02CH11109 with the Medical University of South Carolina (MUSC) to support the Environmental Biosciences Program (EBP). This funding instrument replaces DOE Assistance Instrument Number DE-FC02-98CH10902. EBP is an integrated, multidisciplinary scientific research program, employing a range of research initiatives to identify, study and resolve environmental health risks. These initiatives are consistent with the MUSC role as a comprehensive state-supported health sciences institution and with the nation's need for new and better approaches to the solution of a complex and expansive array of environment-related health problems. The intrinsic capabilities of a comprehensive health sciences institution enable MUSC to be a national resource for the scientific investigation of environmental health issues. EBPs success as a nationally prominent research program is due, in part, to its ability to task-organize scientific expertise from multiple disciplines in addressing these complex problems Current research projects have focused EBP talent and resources on providing the scientific basis for risk-based standards, risk-based decision making and the accelerated clean-up of widespread environmental hazards. These hazards include trichloroethylene (TCE), polychlorinated biphenyls (PCBs), asbestos and low-dose ionizing radiation. A project is also being conducted in the use …
Date: March 31, 2004
Creator: Mohr, Lawrence C.
System: The UNT Digital Library
Dynamic Time Expansion and Compression Using Nonlinear Waveguides (open access)

Dynamic Time Expansion and Compression Using Nonlinear Waveguides

Dynamic time expansion or compression of a small amplitude input signal generated with an initial scale is performed using a nonlinear waveguide. A nonlinear waveguide having a variable refractive index is connected to a bias voltage source having a bias signal amplitude that is large relative to the input signal to vary the reflective index and concomitant speed of propagation of the nonlinear waveguide and an electrical circuit for applying the small amplitude signal and the large amplitude bias signal simultaneously to the nonlinear waveguide. The large amplitude bias signal with the input signal alters the speed of propagation of the small-amplitude signal with time in the nonlinear waveguide to expand or contract the initial time scale of the small-amplitude input signal.
Date: June 22, 2004
Creator: Findikoglu, Alp T.; Hahn, Sangkoo F. & Jia, Quanxi
System: The UNT Digital Library
Environmental Biosciences Program Second Quarter Report (open access)

Environmental Biosciences Program Second Quarter Report

In May 2002, the United States Department of Energy (DOE) signed Assistance Instrument Number DE-FC09-02CH11109 with the Medical University of South Carolina (MUSC) to support the Environmental Biosciences Program (EBP). This funding instrument replaces DOE Assistance Instrument Number DE-FC02-98CH10902. EBP is an integrated, multidisciplinary scientific research program, employing a range of research initiatives to identify, study and resolve environmental health risks. These initiatives are consistent with the MUSC role as a comprehensive state-supported health sciences institution and with the nation's need for new and better approaches to the solution of a complex and expansive array of environment-related health problems. The intrinsic capabilities of a comprehensive health sciences institution enable MUSC to be a national resource for the scientific investigation of environmental health issues. EBPs success as a nationally prominent research program is due, in part, to its ability to task-organize scientific expertise from multiple disciplines in addressing these complex problems Current research projects have focused EBP talent and resources on providing the scientific basis for risk-based standards, risk-based decision making and the accelerated clean-up of widespread environmental hazards. These hazards include trichloroethylene (TCE), polychlorinated biphenyls (PCBs), and low-dose ionizing radiation. A project is also being conducted in the use of …
Date: December 31, 2004
Creator: Mohr, Lawrence C.
System: The UNT Digital Library
Large Diameter Lasing Tube Cooling Arrangement (open access)

Large Diameter Lasing Tube Cooling Arrangement

A cooling structure (16) for use inside a ceramic cylindrical tube (11) of a metal vapor laser (10) to cool the plasma in the tube (11), the cooling structure (16) comprising a plurality of circular metal members (17,31) and mounting members (18, 34) that position the metal members (17,31) coaxially in the tube (11) to form an annular lasing volume, with the metal members (17, 31) being axially spaced from each other along the length of the tube (11) to prevent the metal members from shorting out the current flow through the plasma in the tube (11) and to provide spaces through which the heat from localized hot spots in the plasma may radiate to the other side of the tube (11).
Date: May 18, 2004
Creator: Hall, Jerome P.; Alger, Terry W.; Anderson, Andrew T. & Arnold, Philip A.
System: The UNT Digital Library
Lower Saccharide Nanometric Materials and Methods (open access)

Lower Saccharide Nanometric Materials and Methods

A ceramic composition having at least one nanometric ceramic powder, at least one lower saccharide, and water. The composition is useful in many industrial applications, including preparation of stronger and substantially defect free green and sintered ceramic bodies.
Date: July 13, 2004
Creator: Schilling, Christopher H.; Tomasik, Piotr & Sikora, Marek
System: The UNT Digital Library
Coated Metal Articles and Method of Making (open access)

Coated Metal Articles and Method of Making

The method of protectively coating metallic uranium which comprises dipping the metallic uranium in a molten alloy comprising about 20-75% of copper and about 80-25% of tin, dipping the coated uranium promptly into molten tin, withdrawing it from the molten tin and removing excess molten metal, thereupon dipping it into a molten metal bath comprising aluminum until it is coated with this metal, then promptly withdrawing it from the bath.
Date: July 6, 2004
Creator: Boller, Ernest R. & Eubank, Lowell D.
System: The UNT Digital Library
Small Angle X-Ray Scattering Detector (open access)

Small Angle X-Ray Scattering Detector

A detector for time-resolved small-angle x-ray scattering includes a nearly constant diameter, evacuated linear tube having an end plate detector with a first fluorescent screen and concentric rings of first fiber optic bundles for low angle scattering detection and an annular detector having a second fluorescent screen and second fiber optic bundles concentrically disposed about the tube for higher angle scattering detection. With the scattering source, i.e., the specimen under investigation, located outside of the evacuated tube on the tube's longitudinal axis, scattered x-rays are detected by the fiber optic bundles, to each of which is coupled a respective photodetector, to provide a measurement resolution, i.e., dq/q, where q is the momentum transferred from an incident x-ray to an x-ray scattering specimen, of 2% over two (2) orders of magnitude in reciprocal space, i.e., qmax/qmin approx=lO0.
Date: June 15, 2004
Creator: Hessler, Jan P.
System: The UNT Digital Library
Horizontal Advanced Tensiometer (open access)

Horizontal Advanced Tensiometer

An horizontal advanced tensiometer is described that allows the monitoring of the water pressure of soil positions, particularly beneath objects or materials that inhibit the use of previous monitoring wells. The tensiometer includes a porous cup, a pressure transducer (with an attached gasket device), an adaptive chamber, at least one outer guide tube which allows access to the desired horizontal position, a transducer wire, a data logger and preferably an inner guide tube and a specialized joint which provides pressure on the inner guide tube to maintain the seal between the gasket of the transducer and the adaptive chamber.
Date: June 22, 2004
Creator: Hubbell, Joel M. & Sisson, James B.
System: The UNT Digital Library
Environmental Biosciences Program Fourth Quarter Report (open access)

Environmental Biosciences Program Fourth Quarter Report

In May 2002, the United States Department of Energy (DOE) signed Assistance Instrument Number DE-FC09-02CH11109 with the Medical University of South Carolina (MUSC) to support the Environmental Biosciences Program (EBP). This funding instrument replaces DOE Assistance Instrument Number DE-FC02-98CH10902. EBP is an integrated, multidisciplinary scientific research program, employing a range of research initiatives to identify, study and resolve environmental health risks. These initiatives are consistent with the MUSC role as a comprehensive state-supported health sciences institution and with the nation's need for new and better approaches to the solution of a complex and expansive array of environment-related health problems. The intrinsic capabilities of a comprehensive health sciences institution enable MUSC to be a national resource for the scientific investigation of environmental health issues. EBPs success as a nationally prominent research program is due, in part, to its ability to task-organize scientific expertise from multiple disciplines in addressing these complex problems Current research projects have focused EBP talent and resources on providing the scientific basis for risk-based standards, risk-based decision making and the accelerated clean-up of widespread environmental hazards. These hazards include trichloroethylene (TCE), polychlorinated biphenyls (PCBs), asbestos and low-dose ionizing radiation. A project is also being conducted in the use …
Date: June 30, 2004
Creator: Mohr, Lawrence C.
System: The UNT Digital Library
Microchannel Cooled Edge Cladding to Establish an Adiabatic Boundary Condition in a Slab Laser (open access)

Microchannel Cooled Edge Cladding to Establish an Adiabatic Boundary Condition in a Slab Laser

The present invention provides an edge cladding for a slab laser, the edge cladding comprising a cooling channel system therein.
Date: May 18, 2004
Creator: Albrecht, Georg F.; Beach, Raymond J. & Solarz, Richard W.
System: The UNT Digital Library
Effects of Altered Temperature & Precipitation on Soil Bacterial & Microfaunal Communities as Mediated by Biological Soil Crusts (open access)

Effects of Altered Temperature & Precipitation on Soil Bacterial & Microfaunal Communities as Mediated by Biological Soil Crusts

With increased temperatures in our original pot study we observed a decline in lichen/moss crust cover and with that a decline in carbon and nitrogen fixation, and thus a probable decline of C and N input into crusts and soils. Soil bacteria and fauna were affected negatively by increased temperature in both light and dark crusts, and with movement from cool to hot and hot to hotter desert climates. Crust microbial biomass and relative abundance of diazotrophs was reduced greatly after one year, even in pots that were not moved from their original location, although no change in diazotroph community structure was observed. Populations of soil fauna moved from cool to hot deserts were affected more negatively than those moved from hot to hotter deserts.
Date: August 31, 2004
Creator: Neher, Deborah A.
System: The UNT Digital Library
Nuclear Explosion Monitoring Research and Engineering Program - Strategic Plan (open access)

Nuclear Explosion Monitoring Research and Engineering Program - Strategic Plan

The Department of Energy (DOE)/National Nuclear Security Administration (NNSA) Nuclear Explosion Monitoring Research and Engineering (NEM R&E) Program is dedicated to providing knowledge, technical expertise, and products to US agencies responsible for monitoring nuclear explosions in all environments and is successful in turning scientific breakthroughs into tools for use by operational monitoring agencies. To effectively address the rapidly evolving state of affairs, the NNSA NEM R&E program is structured around three program elements described within this strategic plan: Integration of New Monitoring Assets, Advanced Event Characterization, and Next-Generation Monitoring Systems. How the Program fits into the National effort and historical accomplishments are also addressed.
Date: September 1, 2004
Creator: Casey, Leslie A.
System: The UNT Digital Library
Power Systems Development Facility (open access)

Power Systems Development Facility

This report discusses Test Campaign TC15 of the Kellogg Brown & Root, Inc. (KBR) Transport Gasifier train with a Siemens Power Generation, Inc. (SPG) particle filter system at the Power Systems Development Facility (PSDF) located in Wilsonville, Alabama. The Transport Gasifier is an advanced circulating fluidized-bed reactor designed to operate as either a combustor or gasifier using a particulate control device (PCD). While operating as a gasifier, either air or oxygen can be used as the oxidant. Test run TC15 began on April 19, 2004, with the startup of the main air compressor and the lighting of the gasifier startup burner. The Transport Gasifier was shutdown on April 29, 2004, accumulating 200 hours of operation using Powder River Basin (PRB) subbituminous coal. About 91 hours of the test run occurred during oxygen-blown operations. Another 6 hours of the test run was in enriched-air mode. The remainder of the test run, approximately 103 hours, took place during air-blown operations. The highest operating temperature in the gasifier mixing zone mostly varied from 1,800 to 1,850 F. The gasifier exit pressure ran between 200 and 230 psig during air-blown operations and between 110 and 150 psig in oxygen-enhanced air operations.
Date: April 30, 2004
Creator: Southern Company Services
System: The UNT Digital Library
Use of phosphates to reduce slag penetration in Cr2O3-based refractories (open access)

Use of phosphates to reduce slag penetration in Cr2O3-based refractories

A high-chromium refractory material that provides improved resistance to coal slag penetration is presented. The refractory mixture comprises a blend of chromium oxide, aluminum oxide and phosphates. The refractory mixture may be blended with an aggregate and cured. In addition a phosphorous oxide may be blended with chromium oxide and aluminum oxide and additionally an aggregate. The refractory mixture reduces the rate of coal slag penetration into the surface of the cured refractory.
Date: November 9, 2004
Creator: Kwong, Kyei-Sing; Dogan, Cynthia P.; Bennett, James P.; Chinn, Richard E. & Petty, Arthur V.
System: The UNT Digital Library
Washington State University Energy Program Final Report (open access)

Washington State University Energy Program Final Report

None
Date: January 1, 2004
Creator: Bloomquist, R. Gordon
System: The UNT Digital Library
Preventive Maintenance Strategies for Compressed Air Systems;Industrial Technologies Program (ITP) Compressed Air Tip Sheet No.6 (open access)

Preventive Maintenance Strategies for Compressed Air Systems;Industrial Technologies Program (ITP) Compressed Air Tip Sheet No.6

BestPractices Program tip sheet discussing preventive maintenance strategies for compressed air systems.
Date: August 1, 2004
Creator: unknown
System: The UNT Digital Library
Small Wind Electric Systems: An Idaho Consumer's Guide (Revised) (open access)

Small Wind Electric Systems: An Idaho Consumer's Guide (Revised)

Small Wind Electric Systems: An Idaho Consumer's Guide provides consumers with information to help them determine whether a small wind electric system can provide all or a portion of the energy they need for their home or business based on their wind resource, energy needs, and their economics. Topics discussed in the guide include how to make a home more energy efficient, how to choose the correct turbine size, the parts of a wind electric system, how to determine whether enough wind resource exists, how to choose the best site for a turbine, how to connect a system to the utility grid, and whether it's possible to become independent of the utility grid using wind energy. In addition, the cover of the guide contains a regional wind resource map and a list of incentives and contacts for more information.
Date: August 1, 2004
Creator: unknown
System: The UNT Digital Library
Idle Reduction Technology Demonstrations: Status Report (open access)

Idle Reduction Technology Demonstrations: Status Report

DOE's Advanced Vehicle Testing Activity is sponsoring 3 idle reduction demonstration projects for heavy-duty trucks. This report provides the status of the projects.
Date: November 1, 2004
Creator: Proc, K.
System: The UNT Digital Library
Moving Toward Zero Energy Homes in California: ''Green'' House Effect Makes Sense in the Golden State. (open access)

Moving Toward Zero Energy Homes in California: ''Green'' House Effect Makes Sense in the Golden State.

This brochure describes The New American Home, an annual project that is focused on the future of homebuilding. Industry experts team to design, build, and monitor a demonstration home that has been equipped with the latest marketable technologies and projects.
Date: December 1, 2004
Creator: unknown
System: The UNT Digital Library
Compressed Air System Control Strategies; Industrial Technologies Program (ITP) Compressed Air Tip Sheet No.7 (open access)

Compressed Air System Control Strategies; Industrial Technologies Program (ITP) Compressed Air Tip Sheet No.7

BestPractices Program tip sheet discussing compressed air system control strategies.
Date: August 1, 2004
Creator: unknown
System: The UNT Digital Library
PV FAQs: What is the Energy Payback for PV? (open access)

PV FAQs: What is the Energy Payback for PV?

How long does a PV system have to operate to recover the energy--and the associated generation of pollution and CO{sub 2}--that went into making the system? Energy paybacks for rooftop systems range from 1 to 4 years, depending on the system. Based on models and real data, the idea that PV cannot pay back its energy investment is simply a myth.
Date: December 1, 2004
Creator: unknown
System: The UNT Digital Library
Small Wind Electric Systems: A Wisconsin Consumer's Guide (open access)

Small Wind Electric Systems: A Wisconsin Consumer's Guide

Small Wind Electric Systems: A Wisconsin Consumer's Guide provides consumers with information to help them determine whether a small wind electric system can provide all or a portion of the energy they need for their home or business based on their wind resource, energy needs, and their economics. Topics discussed in the guide include how to make a home more energy efficient, how to choose the correct turbine size, the parts of a wind electric system, how to determine whether enough wind resource exists, how to choose the best site for a turbine, how to connect a system to the utility grid, and whether it's possible to become independent of the utility grid using wind energy. In addition, the cover of the guide contains a regional wind resource map and a list of incentives and contacts for more information.
Date: May 1, 2004
Creator: unknown
System: The UNT Digital Library
Development of the High-Pressure Direct-Injection ISX G Natural Gas Engine (open access)

Development of the High-Pressure Direct-Injection ISX G Natural Gas Engine

Fact sheet details work by Cummins and Westport Innovations to develop a heavy-duty, low-NOx, high-pressure direct-injection natural gas engine for the Next Generation Natural Gas Vehicle activity.
Date: August 1, 2004
Creator: unknown
System: The UNT Digital Library
Heating Water with Solar Energy Costs Less at the Phoenix Federal Correctional Institution (open access)

Heating Water with Solar Energy Costs Less at the Phoenix Federal Correctional Institution

A large solar thermal system installed at the Phoenix Federal Correctional Institution (FCI) in 1998 heats water for the prison and costs less than buying electricity to heat that water. This renewable energy system provides 70% of the facility's annual hot water needs. The Federal Bureau of Prisons did not incur the up-front cost of this system because it was financed through an Energy Savings Performance Contract (ESPC). The ESPC payments are 10% less than the energy savings so that the prison saves an average of$6,700 per year, providing an immediate payback. The solar hot water system produces up to 50,000 gallons of hot water daily, enough to meet the needs of 1,250 inmates and staff who use the kitchen, shower, and laundry facilities.
Date: September 1, 2004
Creator: unknown
System: The UNT Digital Library