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2,832 Matching Results
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Thermophilic Gram-Positive Biocatalysts for Biomass Conversion to Ethanol
Production of energy from renewable sources is receiving increased attention due to the finite nature of fossil fuels and the environmental impact associated with the continued large scale use of fossil energy sources. Biomass, a CO2-neutral abundant resource, is an attractive alternate source of energy. Biomass-derived sugars, such as glucose, xylose, and other minor sugars, can be readily fermented to fuel ethanol and commodity chemicals. Extracellular cellulases produced by fungi are commercially developed for depolymerization of cellulose in biomass to glucose for fermentation by appropriate biocatalysts in a simultaneous saccharification and fermentation (SSF) process. Due to the differences in the optimum conditions for the activity of the fungal cellulases and the growth and fermentation characteristics of the current industrial biocatalysts, SSF of cellulose is envisioned at conditions that are not optimal for the fungal cellulase activity leading to higher than required cost of cellulase in SSF. We have isolated bacterial biocatalysts whose growth and fermentation requirements match the optimum conditions for commercial fungal cellulase activity (pH 5.0 and 50 deg. C). These isolates fermented both glucose and xylose, major components of cellulose and hemicellulose, respectively, to L(+)-lactic acid. Xylose was metabolized through the pentose-phosphate pathway by these organisms as evidenced …
Date:
December 1, 2003
Creator:
Shanmugam, K.T.; Ingram, L.O.; Maupin-Furlow, J.A.; Preston, J.F. & Aldrich, H.C.
Object Type:
Report
System:
The UNT Digital Library
A second beam-diagnostic beamline for the advanced lightsource
A second beamline, BL 7.2, completely dedicated to beam diagnostics is being installed at the Advanced Light Source (ALS). The design has been optimized for the measurement of the momentum spread and emittance of the stored beam in combination with the existing diagnostic beamline, BL 3.1. A detailed analysis of the experimental error has allowed the definition of the system parameters. The obtained requirements found a good matching with a simple and reliable system based on the detection of X-ray synchrotron radiation (SR) through a pinhole system. The actual beamline, which also includes a port for visible and infrared SR as well as an X-ray beam position monitor (BPM), is mainly based on the design of two similar diagnostic beamlines at BESSY II. This approach allowed a significant saving in time, cost and engineering effort. The design criteria, including a summary of the experimental error analysis, as well as a brief description of the beamline are presented.
Date:
May 1, 2003
Creator:
Sannibale, Fernando; Baum, Dennis; Kelez, Nicholas; Scarvie, Tom & Holldack, Karsten
Object Type:
Article
System:
The UNT Digital Library
Ecological Monitoring and Compliance Program Fiscal Year 2003 Report
The Ecological Monitoring and Compliance program, funded through the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office, monitors the ecosystem of the Nevada Test Site and ensures compliance with laws and regulations pertaining to Nevada Test Site biota. This report summarizes the program's activities conducted by Bechtel Nevada during fiscal year 2003.
Date:
December 1, 2003
Creator:
Bechtel Nevada (Firm)
Object Type:
Report
System:
The UNT Digital Library
Habitat Evaluation Procedures (HEP) Report; Precious Lands Wildlife Management Area, Technical Report 2000-2003.
The Nez Perce Tribe (NPT) currently manages a 15,325 acre parcel of land known as the Precious Lands Wildlife Management Area that was purchased as mitigation for losses incurred by construction of the four lower Snake River dams. The Management Area is located in northern Wallowa County, Oregon and southern Asotin County, Washington (Figure 1). It is divided into three management parcels--the Buford parcel is located on Buford Creek and straddles the WA-OR state line, and the Tamarack and Basin parcels are contiguous to each other and located between the Joseph Creek and Cottonwood Creek drainages in Wallowa County, OR. The project was developed under the Pacific Northwest Electric Power Planning and Conservation Act of 1980 (P.L. 96-501), with funding from the Bonneville Power Administration (BPA). The acreage protected under this contract will be credited to BPA as habitat permanently dedicated to wildlife and wildlife mitigation. A modeling strategy known as Habitat Evaluation Procedure (HEP) was developed by the U.S. Fish and Wildlife Service and adopted by BPA as a habitat equivalency accounting system. Nine wildlife species models were used to evaluate distinct cover type features and provide a measure of habitat quality. Models measure a wide range of life …
Date:
December 1, 2003
Creator:
Kozusko, Shana
Object Type:
Report
System:
The UNT Digital Library
Closure Report for Corrective Action Unit 335: Area 6 Injection Well and Drain Pit, Nevada Test Site, Nevada
This Closure Report documents the activities undertaken to close Corrective Action Unit 335: Area 6 Injection Well and Drain Pit, according to the Federal Facility Agreement and Consent Order. Corrective Action Unit 335 was closed in accordance with the Nevada Division of Environmental Protection-approved Corrective Action Plan for Corrective Action Unit 335.
Date:
June 1, 2003
Creator:
United States. National Nuclear Security Administration. Nevada Site Office.
Object Type:
Report
System:
The UNT Digital Library
Sapphire Fiber Optics Sensors for Engine Test Instrumentation
None
Date:
August 1, 2003
Creator:
Janney, M. A. & Nunn, S. D.
Object Type:
Report
System:
The UNT Digital Library
Dynamics of the flame flowfields in a low-swirl burner
None
Date:
July 1, 2003
Creator:
Cheng, Robert; Johnson, Matthew R. & Cheng, Robert K.
Object Type:
Article
System:
The UNT Digital Library
Advanced Interactive Facades - Critical Elements for Future GreenBuildings?
Building designers and owners have always been fascinated with the extensive use of glass in building envelopes. Today the highly glazed facade has almost become an iconic element for a 'green building' that provides daylighting and a visual connection with the natural environment. Even before the current interest in green buildings there was no shortage of highly glazed building designs. But many of these buildings either rejected sunlight, and some associated daylight and view with highly reflective glazings or used highly transmissive glass and encountered serious internal comfort problems that could only be overcome with large HVAC systems, resulting in significant energy, cost and environmental penalties. From the 1960's to the 1990's innovation in glazing made heat absorbing glass, reflective glass and double glazing commonplace, with an associated set of aesthetic features. In the last decade there has been a subtle shift from trying to optimize an ideal, static design solution using these glazings to making the facade responsive, interactive and even intelligent. More sophisticated design approaches and technologies have emerged using new high-performance glazing, improved shading and solar control systems, greater use of automated controls, and integration with other building systems. One relatively new architectural development is the double …
Date:
November 1, 2003
Creator:
Selkowitz, Stephen; Aschehoug, Oyvind & Lee, Eleanor S.
Object Type:
Article
System:
The UNT Digital Library
Developing Innovative Wall Systems that Improve Hygrothermal Performance of Residential Buildings
This document serves as the Topical Report documenting the first year of work completed by Washington State University (WSU) under US Department of Energy Grant, Developing Innovative Wall Systems that Improve Hygrothermal Performance of Residential Buildings. This project is being conducted in collaboration with Oak Ridge National Laboratory (ORNL), and includes the participation of several industry partners including Weyerhaeuser Company, APA - The Engineered Wood Association, CertainTeed Corporation and Fortifiber. This document summarizes work completed by Washington State University August, 2002 through October, 2003. WSU's primary experimental role is the design and implementation of a field testing protocol that will monitor long term changes in the hygrothermal response of wall systems. In the first year WSU constructed a test facility, developed a matrix of test wall designs, constructed and installed test walls in the test facility, and installed instrumentation in the test walls. By the end of the contract period described in this document, WSU was recording data from the test wall specimens. The experiment described in this report will continue through December, 2005. Each year a number of reports will be published documenting the hygrothermal response of the test wall systems. Public presentation of the results will be made …
Date:
October 1, 2003
Creator:
Tichy, Robert & Murray, Chuck
Object Type:
Report
System:
The UNT Digital Library
The Securities Act, State of Texas
"This publication includes all statutory changes resulting from the Sunset Advisory Commission review of the State Securities Board that was completed in December 2000." (p. 1).
Date:
September 1, 2003
Creator:
Texas. Legislature.
Object Type:
Book
System:
The Portal to Texas History
Cherokeean Herald (Rusk, Tex.), Vol. 154, No. 32, Ed. 1 Wednesday, October 1, 2003
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
October 1, 2003
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
Cherokeean/Herald (Rusk, Tex.), Vol. 153, No. 45, Ed. 1 Wednesday, January 1, 2003
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
January 1, 2003
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
The University News (Irving, Tex.), Vol. 33, No. 5, Ed. 1 Wednesday, October 1, 2003
Weekly student newspaper from the University of Dallas in Irving, Texas that includes campus news and commentaries along with advertising.
Date:
October 1, 2003
Creator:
Kuckelman, Meghan
Object Type:
Newspaper
System:
The Portal to Texas History
78th Texas Legislature, Regular Session, House Concurrent Resolution 109
Concurrent resolution introduced by the Texas House of Representatives and Senate relating to recognizing March 25, 2003, as JPCA Day at the State Capitol.
Date:
April 1, 2003
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
78th Texas Legislature, Regular Session, House Concurrent Resolution 126
Concurrent resolution introduced by the Texas House of Representatives and Senate relating to honoring Clayton W. "Claytie" Williams, Jr., as the recipient of the National Multiple Sclerosis Society Hope Award for Midland and the Permian Basin.
Date:
April 1, 2003
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
78th Texas Legislature, Regular Session, House Concurrent Resolution 148
Concurrent resolution introduced by the Texas House of Representatives and Senate relating to designating March 26, 2003, as ACT Now! Day at the Capitol.
Date:
April 1, 2003
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
78th Texas Legislature, Regular Session, House Concurrent Resolution 80
Concurrent resolution introduced by the Texas House of Representatives and Senate relating to honoring Martelia Garnet Reaves of El Paso on the occasion of her 100th birthday.
Date:
April 1, 2003
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
78th Texas Legislature, Regular Session, House Concurrent Resolution 87
Concurrent resolution introduced by the Texas House of Representatives and Senate relating to congratulating James Allan Smith on his retirement as superintendent of the Robinson Independent School District.
Date:
April 1, 2003
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
78th Texas Legislature, Regular Session, Senate Bill 15, Chapter 2
Bill introduced by the Texas Senate relating to the use of appropriations in the Smart Jobs Fund as business location incentives; making an appropriation.
Date:
April 1, 2003
Creator:
Texas. Legislature. Senate.
Object Type:
Legislative Document
System:
The Portal to Texas History
78th Texas Legislature, Regular Session, Senate Concurrent Resolution 17
Concurrent resolution introduced by the Texas Senate and House of Representatives relating to recognizing the artists and arts patrons who are being honored at the Texas Medal of Arts Awards on March 25, 2003.
Date:
April 1, 2003
Creator:
Texas. Legislature. Senate.
Object Type:
Legislative Document
System:
The Portal to Texas History
The Rambler (Fort Worth, Tex.), Vol. 90, No. 4, Ed. 1 Wednesday, October 1, 2003
Weekly student newspaper from Texas Wesleyan University in Fort Worth, Texas that includes campus and local news along with advertising.
Date:
October 1, 2003
Creator:
Nettles, Marc
Object Type:
Newspaper
System:
The Portal to Texas History
TDNA Monthly Office Manager's Report: October 2003
Monthly report written by the Texas Daily Newspaper Association's (TDNA's) office manager, Darla Thompson, to Phil Berkebile providing a summary of revenues and account balances, programs, meetings, and other activities in the office during the previous month.
Date:
November 1, 2003
Creator:
Thompson, Darla
Object Type:
Report
System:
The UNT Digital Library
TDNA Monthly Office Manager's Report: September 2003
Monthly report written by the Texas Daily Newspaper Association's (TDNA's) office manager, Darla Thompson, to Phil Berkebile providing a summary of revenues and account balances, programs, meetings, and other activities in the office during the previous month.
Date:
October 1, 2003
Creator:
Thompson, Darla
Object Type:
Report
System:
The UNT Digital Library
The Constitution of the United States, the Bill of Rights, and the Declaration of Independence: A Guide to Obtaining Copies
This report contains a guide to obtaining copies of the constitution of the United States, the Bill of Rights, and the Declaration of Independence.
Date:
August 1, 2003
Creator:
Campos, Jesus H.
Object Type:
Report
System:
The UNT Digital Library