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Mechanism of strain release in carbon nanotubes
Article on the mechanism of strain release in carbon nanotubes.
Date:
February 15, 1998
Creator:
Buongiorno Nardelli, Marco; Yakobson, Boris I. & Bernholc, Jerry
Object Type:
Article
System:
The UNT Digital Library
Southwest Retort, Volume 50, Number 15, February 1998
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community.
Date:
February 1998
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Faculty Recital: 1998-02-02 - Woodwind Faculty Recital
Access:
Use of this item is restricted to the UNT Community
A faculty recital performed at the UNT College of Music Recital Hall.
Date:
February 2, 1998
Creator:
Sundberg, Terri; Veazey, Charles; Gillespie, James; Scott, John C. (John Charles), 1947-; Reynolds, Kathleen & Scharnberg, William
Object Type:
Sound
System:
The UNT Digital Library
The Impacts of the Union Pacific Service Disruptions on the Texas and National Economies: An Unfinished Story
This report, by the University of North Texas Center for Economic Development and Research, discusses the disruption in Union Pacific Railroad service and its impact on the economy in the state of Texas and other areas of the United States.
Date:
February 9, 1998
Creator:
Weinstein, Bernard L. & Clower, Terry L.
Object Type:
Report
System:
The UNT Digital Library
[Photograph 2012.201.B0254.0496]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
February 16, 1998
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Pyrite oxidation in saturated and Unsaturated Porous Media Flow: AComparison of alternative mathematical modeling approaches
Pyrite (FeS{sub 2}) is one of the most common naturally occurring minerals that is present in many subsurface environments. It plays an important role in the genesis of enriched ore deposits through weathering reactions, is the most abundant sulfide mineral in many mine tailings, and is the primary source of acid drainage from mines and waste rock piles. The pyrite oxidation reaction serves as a prototype for oxidative weathering processes with broad significance for geoscientific, engineering, and environmental applications. Mathematical modeling of these processes is extremely challenging because aqueous concentrations of key species vary over an enormous range, oxygen inventory and supply are typically small in comparison to pyrite inventory, and chemical reactions are complex, involving kinetic control and microbial catalysis. We present the mathematical formulation of a general multi-phase advective-diffusive reactive transport model for redox processes. Two alternative implementations were made in the TOUGHREACT and TOUGH2-CHEM simulation codes which use sequential iteration and simultaneous solution, respectively. The simulators are applied to reactive consumption of pyrite in (1) saturated flow of oxidizing water, and (2) saturated-unsaturated flow in which oxygen transport occurs in both aqueous and gas phases. Geochemical evolutions predicted from different process models are compared, and issues of …
Date:
February 15, 1998
Creator:
Xu, Tianfu; White, Stephen P. & Pruess, Karsten
Object Type:
Report
System:
The UNT Digital Library
Weir Property Habitat Evaluation: Project Report
A habitat evaluation of the Weir property, an approximately 200-acre in holding of private property within the Little Pend Oreille National Wildlife Refuge (Refuge), was conducted using the Habitat Evaluation Procedures (HEP) methodology. The Weir property consists of two separate parcels, an upper unit of 40 acres and a 160-acre lower unit. Evaluation species were ruffed grouse and white-tailed deer. Life requisites evaluated were available browse for white-tailed deer and winter food and fall-to-spring cover for ruffed grouse. Field data were collected on October 16, 17, and 21, 1997. Approximately 37 acres of the lower 160-acre unit are currently grasslands with no shrub or tree cover, and therefore do not provide suitable ruffed grouse or white-tailed deer cover. They excluded this acreage from the HEP calculations for current conditions. This acreage was included in the HEP calculations for ruffed grouse after future management strategies were factored in. It was not included in projections for white-tailed deer. The entire property was stratified into 6 stands (2 in the upper unit and 4 in the lower unit) for data collection. Data were collected at 10 points, spaced 20 paces (approximately 16 m) apart along one randomly selected transect in each stand, for …
Date:
February 1998
Creator:
Smith, Maureen
Object Type:
Report
System:
The UNT Digital Library
Conformal Field Theories: From Old to New
In a short review of recent work, we discuss the general problem of constructing the actions of new conformal field theories from old conformal field theories. Such a construction follows when the old conformal field theory admits new conformal stress tensors in its chiral algebra, and it turns out that the new conformal field theory is generically a new spin-two gauge theory. As an example we discuss the new spin-two gauged sigma models which arise in this fashion from the general conformal non-linear sigma model.
Date:
February 11, 1998
Creator:
Halpern, M. B. & Schwartz, C.
Object Type:
Article
System:
The UNT Digital Library
An Audit of Management Controls at the Texas Workers' Compensation Commission
Report of the Texas State Auditor's Office related to management controls at the Texas Workers' Compensation Commission (Commission). The report evaluates the existing management control systems at the Commission, which enable the Commission to accomplish its mission, goals, and strategies, and also provides suggestions for improvements to existing practices and systems.
Date:
February 1998
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
A Briefing Report on School District Debt Program
Report of the Texas State Auditor's Office related to analyzing the increase in new debt in school districts; determining types of alternative debt, implications for future school district solvency, and the amount of debt associated with each type; and reviewing the roles of the Texas Education Agency, the Attorney General's Office, and the Texas Bond Review Board to determine the extent of oversight and to identify gaps in oversight responsibilities.
Date:
February 1998
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
Compliance with Article IX Judgments Rider at the Offices of the Attorney General and the Comptroller of Public Accounts
Report of the Texas State Auditor's Office related to the control system in place at the offices of the Attorney General and the Comptroller of Public Accounts, which effectively ensures that the State pays only judgments and settlements meeting the requirements of the General Appropriations Act, Article IX, Section 60, and that the Legislature and Governor are able to monitor such expenditures effectively.
Date:
February 1998
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
The Canadian Record (Canadian, Tex.), Vol. 108, No. 6, Ed. 1 Thursday, February 5, 1998
Weekly newspaper from Canadian, Texas that includes local, state and national news along with extensive advertising.
Date:
February 5, 1998
Creator:
Ezzell, Nancy & Brown, Laurie Ezzell
Object Type:
Newspaper
System:
The Portal to Texas History
The Canadian Record (Canadian, Tex.), Vol. 108, No. 7, Ed. 1 Thursday, February 12, 1998
Weekly newspaper from Canadian, Texas that includes local, state and national news along with extensive advertising.
Date:
February 12, 1998
Creator:
Ezzell, Nancy & Brown, Laurie Ezzell
Object Type:
Newspaper
System:
The Portal to Texas History
First Semiannual Status Report on the Board of Private Investigators and Private Security Agencies
Report of the Texas State Auditor's Office related to corrective actions made by the new management of the Board of Private Investigators and Private Security Agencies (Board).
Date:
February 1998
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
An Audit Report on Management Controls at Sul Ross State University
Report of the Texas State Auditor's Office related to opportunities for Sul Ross State University to improve its management of student financial assistance (critical), policy development, human resources, and construction.
Date:
February 1998
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
A Statutory Audit of the Compensation Special Administration Fund Account No. 165
Report of the Texas State Auditor's Office related to reimbursements to the General Revenue Fund for unemployment and workers' compensation benefits in a timely manner from the appropriate source funds, and the consistency in methods used to determine the source funds for unemployment benefit reimbursement.
Date:
February 1998
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
An Audit Report on Prison Land Maximization
Report of the Texas State Auditor's Office related to recommendations to the Texas Department of Criminal Justice of land parcels to be sold, leased, or used for prison operations.
Date:
February 1998
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
An Audit Report on Management Controls at The University of Texas at San Antonio
Report of the Texas State Auditor's Office related to adequate controls relating to policy, performance, and resource management at the University of Texas at San Antonio (University), and opportunities for improvement in certain operational areas in order to increase accountability.
Date:
February 1998
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
An Audit Report on Management Controls at the Employees Retirement System of Texas
Report of the Texas State Auditor's Office related to opportunities for the Employees Retirement System of Texas (System) to enhance control systems used to monitor customer satisfaction, health maintenance organization (HMO) contract compliance, and compliance with the Texas Employees Uniform Group Insurance Benefits Act.
Date:
February 1998
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
A Combined Report on the TEA: A Follow-up on the Assessment of the TEA's Monitoring Systems for Public Education, A Follow-Up on the Review of Mgmt Controls, A Review of Compliance with Senat Bill 1, 74th Legislature
Report of the Texas State Auditor's Office related to determining what actions have been taken to address the issues and implement the recommendations with prior audits ("An Assessment of the Texas Education Agency's Monitoring Systems for Public Education" and "A Review of Management Controls at the Texas Education Agency"), and determining if the directives included in Senate Bill 1, 74th Legislature, are being achieved.
Date:
February 1998
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
University Press (Beaumont, Tex.), Vol. 74, No. 36, Ed. 1 Wednesday, February 25, 1998
Semiweekly newspaper from Lamar University in Beaumont, Texas that includes local, national, and campus news along with advertising.
Date:
February 25, 1998
Creator:
Andris, Tonya
Object Type:
Newspaper
System:
The Portal to Texas History
University Press (Beaumont, Tex.), Vol. 74, No. 30, Ed. 1 Wednesday, February 4, 1998
Semiweekly newspaper from Lamar University in Beaumont, Texas that includes local, national, and campus news along with advertising.
Date:
February 4, 1998
Creator:
Andris, Tonya
Object Type:
Newspaper
System:
The Portal to Texas History
University Press (Beaumont, Tex.), Vol. 74, No. 32, Ed. 1 Wednesday, February 11, 1998
Semiweekly newspaper from Lamar University in Beaumont, Texas that includes local, national, and campus news along with advertising.
Date:
February 11, 1998
Creator:
Andris, Tonya
Object Type:
Newspaper
System:
The Portal to Texas History
An Audit Report on Medicaid Managed Care at the Texas Department of Health
Report of the Texas State Auditor's Office related to determining if the Texas Department of Health has sufficient management controls in place to manage and monitor Medicaid managed care, evaluate and ensure that the program is cost effective, and evaluate and ensure that the program outcomes are met.
Date:
February 1998
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History