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High Pressure Materials Research: Novel Extended Phases of Molecular Triatomics (open access)

High Pressure Materials Research: Novel Extended Phases of Molecular Triatomics

Application of high pressure significantly alters the interatomic distance and thus the nature of intermolecular interaction, chemical bonding, molecular configuration, crystal structure, and stability of solid [1]. With modern advances in high-pressure technologies [2], it is feasible to achieve a large (often up to a several-fold) compression of lattice, at which condition material can be easily forced into a new physical and chemical configuration [3]. The high-pressure thus offers enhanced opportunities to discover new phases, both stable and metastable ones, and to tune exotic properties in a wide-range of atomistic length scale, substantially greater than (often being several orders of) those achieved by other thermal (varying temperatures) and chemical (varying composition or making alloys) means. Simple molecular solids like H{sub 2}, C, CO{sub 2}, N{sub 2}, O{sub 2}, H{sub 2}O, CO, NH{sub 3}, and CH{sub 4} are bounded by strong covalent intramolecular bonds, yet relatively weak intermolecular bonds of van der Waals and/or hydrogen bonds. The weak intermolecular bonds make these solids highly compressible (i.e., low bulk moduli typically less than 10 GPa), while the strong covalent bonds make them chemically inert at least initially at low pressures. Carbon-carbon single bonds, carbon-oxygen double bonds and nitrogen-nitrogen triple bonds, for example, …
Date: May 26, 2004
Creator: Yoo, C.
System: The UNT Digital Library

Oral History Interview with Exie Jean Alaman Morne'y, February 26, 2014

Access: Use of this item is restricted to the UNT Community
Interview with Exie Jean Alaman Morne'y, a teacher from Fort Worth, Texas, who lived during the end of the Jim Crow era. Morne'y discusses her family background, attending grade school in Fort Worth, experiences with segregation and discrimination in the 1950s and 60s, attending North Texas State College, working at Parkland Hospital, her marriages and children, moving to California and back to Texas, her career with Fort Worth ISD, church activities and faith, thoughts on child education, and various related stories. In appendix are photos of her high school yearbook and her family, a petition from the Como neighborhood for utilities services in 1924, and her typed family history.
Date: February 26, 2014
Creator: Travis, Sarah & Alaman Morne'y, Exie Jean
System: The UNT Digital Library

Oral History Interview with Michael Hurd, May 28, 2013

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Interview with Michael Hurd, a journalist and member of the Texas Black History Preservation Project from Houston, Texas. Hurd discusses growing up in Texarkana and Houston, his education and service in the Air Force, work with the Houston Post and USA Today, Juneteenth, researching black history, the Texas Black History Preservation Project and related efforts, being an historian, the history of Juneteenth and emancipation in Texas, and civil rights. In appendix are photographs of Hurd, clippings of his reporting, and URLs to videos he was involved in.
Date: May 26, 2013
Creator: Turner, Elizabeth Hays & Hurd, Michael
System: The UNT Digital Library
Annual Reception Bay View Club September 26, 1917 (open access)

Annual Reception Bay View Club September 26, 1917

Guest registry book for a reception at the Bay View Club in 1917; each page of the book contains the handwritten names of each person that was in attendance. Also included in the record is an envelope containing the ribbon that ties the booklet together.
Date: September 26, 1917
Creator: Bay View Club
System: The Portal to Texas History
Beneficial Use and Recycling of Municipal Waste Combustion Residues - A Comprehensive Resource Document (open access)

Beneficial Use and Recycling of Municipal Waste Combustion Residues - A Comprehensive Resource Document

This document summarizes information from worldwide sources on the beneficial use of residues from the combustion of municipal. The information presented, including results of numerous research projects, field demonstrations, and actual full-scale projects, demonstrates that the ash can be safely used. It includes data on ash characteristics, environmental considerations, guidance on selected ash use applications, and information on federal and state regulations and policies affecting ash use.
Date: April 26, 1999
Creator: Wiles, C. & Shepherd, P.
System: The UNT Digital Library
Save with Solar Newsletter, Vol. 2, Issue 1, Spring 1999 (open access)

Save with Solar Newsletter, Vol. 2, Issue 1, Spring 1999

''Save with Solar'' is a quarterly bulletin produced under the Department of Energy's Federal Energy Management Program for all those who are planning or working on installations of solar and other renewable energy technologies in the Federal government's facilities. Contents include technical information about today's solar technologies and information about the programs, policies, procurement practices, and incentives that support the deployment of renewable energy in the Federal sector. Among the topics covered in this issue is a two-page article about how solar energy is being used by the National Science Foundation in NSF outposts in Antarctica. The newsletter also describes projects that meet the goals of the President's Million Solar Roofs Initiative.
Date: May 26, 1999
Creator: Eiffert, P.
System: The UNT Digital Library

Oral History Interview with Salvador Espino, September 26, 2007

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Interview with Fort Worth city councilman Salvador Espino as part of the North Texas Immigrant Rights Movement Oral History Project. The interview includes Espino's personal experiences about childhood and education, having a career a computer consultant, accountant, and attorney, volunteering for Catholic Diocese, and running for a seat representing District Two on the Fort Worth City Council. Espino also discusses the district demographics and priorities, the creation of Latinos Unidos, and his involvement in Fort Worth's 2006 immigrant rights march. The interview also includes an appendix with an article written by Espino.
Date: September 26, 2007
Creator: Moye, Todd & Espino, Salvador
System: The UNT Digital Library

Oral History Interview with William Barsanti, June 26, 2004

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Interview with accountant and Army veteran William Barsanti. The interview includes Barsanti's personal experiences about the European Theater during World War II, his youth in an Italian immigrant family, graduating from high school and enrolling in college, then in the Enlisted Reserve Corps, being inducted into the U.S. Army, basic training, being selected for the Army Specialized Training Program, transferring to the 106th Infantry Division, and his assignment to Cannon Company as a supply sergeant. Barsanti also talks about the living conditions at Stalag XII-A and Stalag II-D, Stargard, Germany, evacuating to Bremervorde, Germany, liberation, and his postwar business career in Europe.
Date: June 26, 2004
Creator: Marcello, Ronald E. & Barsanti, William
System: The UNT Digital Library

Oral History Interview with Mary Jane Dellinger, May 26, 2000

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Interview with Mary Jane Dellinger. The interview includes Dellinger's personal experiences about working as a riveter at Armstrong Cork and Rubber Company during World War II, and assembling time fuses for bombs at the Hamilton Watch Company. Dellinger also talks about pre-war work experience in silk mills, effects of the Great Depression on her family, her marriage to Clair Dellinger, personal motivations for seeking defense work, her decision to change jobs and work for Armstrong Cork and Rubber Company, her work on the F4U Corsair fuselage assembly line, sexual harassment, production incentives and awards, war bond drives, shift work, transportation arrangements, and her decision to quit.
Date: May 26, 2000
Creator: Marcello, Ronald E. & Dellinger, Mary Jane
System: The UNT Digital Library

Oral History Interview with Rick Dale, November 26, 2007

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Interview with U.S. Marine Corps Pilot Richard Dale as part of the Tarrant County War Veterans Oral History Project. The interview includes Dale's personal experiences of childhood, education at Baylor University and Texas A&M, attending training at Camp Pendleton, California, Quantico, Virginia, and officer candidate school. Additionally, Dale talks about his decision to enter the Marines aviation program, his assignments to various naval air stations, the particulars of "tailhook" aviation, and his civilian career with Northwest Airlines. The interview also includes an appendix with a photograph and an active duty summary.
Date: November 26, 2007
Creator: Bristow, Lauren & Dale, Richard C.
System: The UNT Digital Library

Oral History Interview with Vladislava Alaytseva, November 26, 2012

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Interview with Vladislava Alaytseva, Uzbekistani-born immigrant to Dallas, Texas, for the DFW Metroplex Immigrants Oral History Project. The interview includes Alaytseva's personal experiences of childhood in Uzbekistan, moving to the U.S., transitioning to the American school system, her first impressions the U.S., and the culture shock in America. Additionally, Alaytseva talks about the transition of Uzbekistan from a Soviet satellite to an independent Muslim nation, her mother's family in Russia, the differentiation between being ethnically Russian or Uzbekistani, the definition of "culture," the comparison of life in Uzbekistan and the U.S., and the elements of Uzbekistani culture brought to America.
Date: November 26, 2012
Creator: Brooks, David & Alaytseva, Vladislava
System: The UNT Digital Library
[M. O'Connor General Business Ledger: November 1895 - May 1896] (open access)

[M. O'Connor General Business Ledger: November 1895 - May 1896]

Ledger kept by Martin O'Connor documenting bills payable and receivable, merchandise, general expenses, sales by customer, and other financial information. The first page, before the index, contains a list of eight "Rules for Closing Ledger."
Date: 1895-11-26/1896-05-29
Creator: O'Connor, Martin
System: The Portal to Texas History
Soil survey of Washington County, Texas (open access)

Soil survey of Washington County, Texas

Text describes the area, climate, agriculture, and soils of Washington County, Texas.
Date: January 26, 1915
Creator: Meyer, A. H. (Alfred Henry); Eckmann, E. C.; Cantrell, L. & Davis, L. V.
System: The Portal to Texas History
Reconnoissance soil survey of the panhandle region of Texas (open access)

Reconnoissance soil survey of the panhandle region of Texas

Soil survey of 26 counties in the panhandle region of Texas. Included are Armstrong, Briscoe, Carson, Castro, Childress, Collingsworth, Dallam, Deaf Smith, Donley, Gray, Hall, Hansford, Hartley, Hemphill, Hutchinson, Lipscomb, Moore, Ochiltree, Oldham, Parmer, Potter, Randall, Roberts, Sherman, Swisher, and Wheeler counties. Text describes the area, climate, soils, agriculture, and irrigation of these counties.
Date: October 26, 1911
Creator: Carter, William T. (William Thomas)
System: The Portal to Texas History
Topological Cacti: Visualizing Contour-based Statistics (open access)

Topological Cacti: Visualizing Contour-based Statistics

Contours, the connected components of level sets, play an important role in understanding the global structure of a scalar field. In particular their nestingbehavior and topology-often represented in form of a contour tree-have been used extensively for visualization and analysis. However, traditional contour trees onlyencode structural properties like number of contours or the nesting of contours, but little quantitative information such as volume or other statistics. Here we use thesegmentation implied by a contour tree to compute a large number of per-contour (interval) based statistics of both the function defining the contour tree as well asother co-located functions. We introduce a new visual metaphor for contour trees, called topological cacti, that extends the traditional toporrery display of acontour tree to display additional quantitative information as width of the cactus trunk and length of its spikes. We apply the new technique to scalar fields ofvarying dimension and different measures to demonstrate the effectiveness of the approach.
Date: May 26, 2011
Creator: Weber, Gunther H.; Bremer, Peer-Timo & Pascucci, Valerio
System: The UNT Digital Library
THE ROLE FUNGI AND YEAST IN MONITORED NATURAL ATTENUATION (open access)

THE ROLE FUNGI AND YEAST IN MONITORED NATURAL ATTENUATION

Fungi and yeast have been characterized as important components in the bioremediation of organic contaminants in soil and water including polyaromatic hydrocarbons (PAHs); however, research into their ability to metabolize these compounds in extreme environments has been limited. In this work forty-three fungi and yeasts were isolated from a PAH-contaminated sludge waste lagoon in Poland. The lagoon was part of a monitored natural attenuation (MNA) study where natural reduction of PAHs and associated toxicity over time in non-disturbed areas of the sludge lagoon indicated MNA activity. The microorganisms were initially isolated on minimal medium containing naphthalene as the sole carbon and energy source. Fungal isolates were then maintained on MEA and identified based on microscopic examination and BIOLOG{reg_sign}. The analysis identified several of the fungal isolates as belonging to the genera Penicillium, Paecilomyces, Aspergillus, and Eupenicillium. Yeasts included Candida parapsilosis and C. fluvialitis. Further microbial characterization revealed that several isolates were capable of rowing on acidified media of pH 4, 3, and 2.5. Over twenty percent of the fungi demonstrated growth as low as pH 2.5. Of the 43 isolates examined, 24 isolates exhibited growth at 5 C. Nine of the fungal isolates exhibiting growth at 5 C were then …
Date: January 26, 2010
Creator: Brigmon, R.; Abe, M.; Johnson, B.; Simpson, W. & Mckinsey, P.
System: The UNT Digital Library

Oral History Interview with Bill King, April 26, 2018

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Interview with Dr. Bill King, a radiologist from Denton, Texas. King discusses his family background and upbringing, working for the Denton County Chronicle as a teenager, grade school, attending North Texas State College and becoming a doctor, the history of the Rotary Club, and his involvement in it.
Date: April 26, 2018
Creator: Chegwidden, Caitlin & King, Bill
System: The UNT Digital Library

Oral History Interview with Robert Crist, May 26,1993

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Interview with Robert Crist from Wrightsville, Pennsylvania concerning his experiences while employed by the Civilian Conservation Corps (CCC) during the Great Depression as well as his childhood and his experiences leading up to joining the CCC. Crist worked at a camp in Mehoopany, Pennsylvania (Company 1377).
Date: May 26, 1993
Creator: Marcello, Ronald E. & Crist, Robert
System: The UNT Digital Library
MEDICAL AND ENVIRONMENTAL EFFECTS OF UV RADIATION. (open access)

MEDICAL AND ENVIRONMENTAL EFFECTS OF UV RADIATION.

None
Date: July 26, 2001
Creator: Sutherland, B. M.
System: The UNT Digital Library
GENETIC AND MOLECULAR ANALYSIS OF DNA DAMAGE REPAIR AND TOLERANCE PATHWAYS. (open access)

GENETIC AND MOLECULAR ANALYSIS OF DNA DAMAGE REPAIR AND TOLERANCE PATHWAYS.

None
Date: July 26, 2001
Creator: Sutherland, B. M.
System: The UNT Digital Library
[Texas Society, Sons of the American Revolution (TXSSAR) Membership Records: 314-415] (open access)

[Texas Society, Sons of the American Revolution (TXSSAR) Membership Records: 314-415]

Compiled membership records for the Texas Society of the Sons of the American Revolution from November 26, 1928 through March 23, 1935 (member numbers 314 through 415 The materials include original applications and supporting documentation that accompanied the paperwork.
Date: 1928-11-26/1935-03-23
Creator: Sons of the American Revolution. Texas Society.
System: The UNT Digital Library
Grinding machines (open access)

Grinding machines

This report provides the definition of grinding and discusses different processes, types, and operations of grinding.
Date: November 26, 1940
Creator: United States. Army. Air Corps.
System: The UNT Digital Library

Oral History Interview with Don E. Ferrier, March 26, 2019

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Transcript of an interview with Don Ferrier, a Certified Green Builder and CEO of Ferrier Companies, discussing the founding and development of the business, particularly green building technologies and high energy efficiency for both residential homes and commercial remodeling.
Date: March 26, 2019
Creator: Ferrier, Donald E. & Stark, Johnnie
System: The UNT Digital Library

Oral History Interview with C. Dan Smith, September 26, 2019

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Transcript of an interview with [C.] Dan Smith, UNT Athletic Hall of Fame Member, Distinguished Alumnus of UNT and Geezle Fraternity, and Board of Regents Member (Chair for two years). Smith shares concerning his childhood in Hawkins, TX, and his public education in Lewisville, TX; Insights about his athletic football career in high school, at Texas Technological College, and North Texas State College; Recollections on graduating in business administration, beginning a career in securities, and establishing his own business, CDS Resources; Views on staying committed and involved as an alumnus; His perspectives on the role of the Geezle Fraternity and its contribution to his college education, his career progress, and his continuing loyalty to UNT.
Date: September 26, 2019
Creator: Pettit, John D. & Smith, Dan
System: The UNT Digital Library