A nonlinear oscillator (open access)

A nonlinear oscillator

A nonlinear oscillator design was imported from Cornell modified, and built for the purpose of simulating the chaotic states of a forced pendulum. Similar circuits have been investigated in the recent nonlinear explosion.
Date: January 27, 1990
Creator: Tomlin, R.
Object Type: Report
System: The UNT Digital Library
Texas Preventable Disease News, Volume 50, Number 2, January 27, 1990 (open access)

Texas Preventable Disease News, Volume 50, Number 2, January 27, 1990

Newsletter of the Texas Bureau of Disease Control and Epidemiology discussing the news, activities, and events of the organization and other information related to health in Texas.
Date: January 27, 1990
Creator: Texas. Bureau of Disease Control and Epidemiology.
Object Type: Journal/Magazine/Newsletter
System: The Portal to Texas History
Application of Soil Venting at a Large Scale: A Data and Modeling Analysis (open access)

Application of Soil Venting at a Large Scale: A Data and Modeling Analysis

Soil venting will be applied at a demonstration scale to a site at the Idaho National Engineering Laboratory which is contaminated with carbon tetrachloride and other organic vapors. The application of soil venting at the site is unique in several aspects including scale, geology, and data collection. The containmented portion of the site has a surface area of over 47,000 square meters (12 acres) and the depth to the water table is approximately 180 meters. Migration of contaminants through the entire depth of the vadose zone is evidenced by measured levels of chlorinated solvents in the underlying aquifer. The geology of the site consists of a series of layered basalt flows interspersed with sedimentary interbeds. The depth of the vadose zone, the nature of fractured basalt flows, and the degree of contamination all tend to make drilling difficult and expensive. Because of the scale of the site, extent of contamination, and expense of drilling, a computer model has been developed to simulate the migration of the chlorinated solvents during plume growth and cleanup. The demonstration soil venting operation has been designed to collect pressure drop and plume migration data to assist with calibration of the transport model. The model will …
Date: February 27, 1990
Creator: Walton, J. C.; Baca, R. G.; Sisson, J. B. & Wood, T. R.
Object Type: Article
System: The UNT Digital Library
Texas Register, Volume 15, Number 16, Pages 1037-1119, February 27, 1990 (open access)

Texas Register, Volume 15, Number 16, Pages 1037-1119, February 27, 1990

A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date: February 27, 1990
Creator: Texas. Secretary of State.
Object Type: Journal/Magazine/Newsletter
System: The Portal to Texas History
810 Future plans (open access)

810 Future plans

It is believed that a good bet for finding the Quark-Gluon Plasma at AGS energies is with the heaviest projectiles on the heaviest target, i.e. Au on Au. One of the likely signatures of the plasma is strangeness enhancement. Al Saulys has shown what it's like to find {Delta} and K{degree} with Si projectiles. Our Monte Carlo simulations show track densities 4 times higher for Au projectiles. In addition, the Au beam itself produces 30 times more ionization. Thus the present TPC's will be limited to only a few hundred ions per sec. This paper discusses plans for these experiments and modification to TPC. 9 figs.
Date: March 27, 1990
Creator: Etkin, A.; Foley, K. J.; Hackenburg, R. W.; Longacre, R. S.; Love, W. A.; Morris, T. W. et al.
Object Type: Article
System: The UNT Digital Library
Bench-scale co-processing (open access)

Bench-scale co-processing

The objective of this contract is to extend and optimize UOP's single-stage slurry-catalyzed co-processing scheme. Particular emphasis is given to defining and improving catalyst utilization and costs, evaluating alternative and disposable slurry-catalyst systems, and improving catalyst recycle and recovery techniques. The work during this quarter involved a series of temperature studies with different concentrations of Mo slurry catalyst. The results of bench-scale Runs 26 and 27 are discussed in the following report. 25 figs.
Date: March 27, 1990
Creator: Nafis, D.A.; Gatsis, J.G.; Lea, C. & Miller, M.A.
Object Type: Report
System: The UNT Digital Library
Fermion loops in the effective potential of N = 1 supergravity, with application to no-scale models (open access)

Fermion loops in the effective potential of N = 1 supergravity, with application to no-scale models

Powerful and quite general arguments suggest that N = 1 supergravity, and in particular the superstring-inspired no-scale models, may describe the physics of the four-dimensional vacuum at energy densities below the Planck scale. These models are not renormalizable, since they arise as effective theories after the large masses have been integrated out of the fundamental theory; thus, they have divergences in their loop amplitudes that must be regulated by imposing a cutoff. Before physics at experimental energies can be extracted from these models, the true vacuum state or states must be identified: at tree level, the ground states of the effective theories are highly degenerate. Radiative corrections at the one-loop level have been shown to break the degeneracy sufficiently to identify the states of vanishing vacuum energy. As the concluding step in a program to calculate these corrections within a self-consistent cutoff prescription, all fermionic one-loop divergent corrections to the scalar effective potential are evaluated. (The corresponding bosonic contributions have been found elsewhere.) The total effective scalar Lagrange density for N = 1 supergravity is written down, and comments are made about cancellations between the fermionic and bosonic loops. Finally, the result is specialized to a toy no-scale model with …
Date: March 27, 1990
Creator: Burton, J.W.
Object Type: Report
System: The UNT Digital Library
Texas Attorney General Opinion: JM-1151 (open access)

Texas Attorney General Opinion: JM-1151

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Jim Mattox, regarding a legal question submitted for clarification: Eligibility for the Optional Retirement System, and related questions (RQ-1858)
Date: March 27, 1990
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: LO90-12 (open access)

Texas Attorney General Opinion: LO90-12

Letter opinion issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Jim Mattox, regarding a legal question submitted for clarification; Whether a volunteer fire department personnel under contract with the City of Houston to provide fire protection services in an area within the city limits may be certified by the Commission on Fire Protection Personnel Standards and Education (the commission) under chapter 416 of the Government Code; Whether the commission may certify fulltime paid by employees of The Woodlands Fire Department.
Date: March 27, 1990
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Register, Volume 15, Number 24, Pages 1657-1710, March 27, 1990 (open access)

Texas Register, Volume 15, Number 24, Pages 1657-1710, March 27, 1990

A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date: March 27, 1990
Creator: Texas. Secretary of State.
Object Type: Journal/Magazine/Newsletter
System: The Portal to Texas History
Applications of Micellar Enzymology to Clean Coal Technology. [Laccase] (open access)

Applications of Micellar Enzymology to Clean Coal Technology. [Laccase]

This project is designed to develop methods for pre-combustion coal remediation by implementing recent advances in enzyme biochemistry. The novel approach of this study is incorporation of hydrophilic oxidative enzymes in reverse micelles in an organic solvent. Enzymes from commercial sources or microbial extracts are being investigated for their capacity to remove organic sulfur from coal by oxidation of the sulfur groups, splitting of C-S bonds and loss of sulfur as sulfuric acid. Dibenzothiophene (DBT) and ethylphenylsulfide (EPS) are serving as models of organic sulfur-containing components of coal in initial studies.
Date: April 27, 1990
Creator: Walsh, C. T.
Object Type: Report
System: The UNT Digital Library
Applications of Micellar Enzymology to Clean Coal Technology. Second Quarterly Report (open access)

Applications of Micellar Enzymology to Clean Coal Technology. Second Quarterly Report

This project is designed to develop methods for pre-combustion coal remediation by implementing recent advances in enzyme biochemistry. The novel approach of this study is incorporation of hydrophilic oxidative enzymes in reverse micelles in an organic solvent. Enzymes from commercial sources or microbial extracts are being investigated for their capacity to remove organic sulfur from coal by oxidation of the sulfur groups, splitting of C-S bonds and loss of sulfur as sulfuric acid. Dibenzothiophene (DBT) and ethylphenylsulfide (EPS) are serving as models of organic sulfur-containing components of coal in initial studies.
Date: April 27, 1990
Creator: Walsh, C. T.
Object Type: Report
System: The UNT Digital Library
(Experimental development, testing and research work in support of the inertial confinement fusion program) (open access)

(Experimental development, testing and research work in support of the inertial confinement fusion program)

This KMS Fusion Semi-Annual Technical Report covers the period October 1989 through March 1990. It contains a review of work performed by KMS Fusion, Inc. (KMSF), in support of the national program to achieve inertially confined fusion (ICF). A major section of the report is devoted to target technology, a field which is expected to play an increasingly important role in the overall KMSF fusion effort. Among the highlights of our efforts in this area covered in this report are: improvements and new developments in target fabrication techniques, including a discussion of techniques for introducing gaussian bumps and bands on target surfaces. Development of a single automated system for the interferometric characterization of transparent shells. Residual gas analysis of the blowing gases contained in glass shells made from xerogels. These usually include CO{sub 2}, O{sub 2} and N{sub 2}, and are objectionable because they dilute the fuel. Efforts to observe the ice layers formed in the {beta}-layering process in cryogenic targets, and to simulate the formation of these layers. In addition to our work on target technology, we conducted experiments with the Chroma laser and supported the ICF effort at other labs with theoretical and computational support as well as …
Date: April 27, 1990
Creator: Johnson, R.; Luckhardt, R.; Terry, N.; Drake, D. & Gaines, J. (eds.)
Object Type: Report
System: The UNT Digital Library
(Manufacturing of the 40/30 mm gated image intensifier tube) (open access)

(Manufacturing of the 40/30 mm gated image intensifier tube)

One of EG G's customers is attempting to find a manufacturer to make the 40/30 mm gated image intensifier tube. A request for quotation had been sent out to a number of manufacturers. The tube performance required was not fully defined and the replies, as expected, came back with caveats to cover the areas of uncertainty. The trip was undertaken to discuss the project, to more clearly define the areas of uncertainty and to evaluate the capabilities of the manufacturers.
Date: April 27, 1990
Creator: Vine, B. H.
Object Type: Report
System: The UNT Digital Library
Texas Attorney General Opinion: JM-1170 (open access)

Texas Attorney General Opinion: JM-1170

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Jim Mattox, regarding a legal question submitted for clarification: Conveyance of land from the Texas Department of Corrections to the State Department of Highways and Public Transportation (RQ-1951)
Date: April 27, 1990
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Register, Volume 15, Number 32, Pages 2379-2464, April 27, 1990 (open access)

Texas Register, Volume 15, Number 32, Pages 2379-2464, April 27, 1990

A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date: April 27, 1990
Creator: Texas. Secretary of State.
Object Type: Journal/Magazine/Newsletter
System: The Portal to Texas History
Samus Toroid Installation Fixture (open access)

Samus Toroid Installation Fixture

The SAMUS (Small Angle Muon System) toroids have been designed and fabricated in the USSR and delivered to D0 ready for installation into the D0 detector. These toroids will be installed into the aperture of the EF's (End Toroids). The aperture in the EF's is 72-inch vertically and 66-inch horizontally. The Samus toroid is 70-inch vertically by 64-inch horizontally by 66-inch long and weighs approximately 38 tons. The Samus toroid has a 20-inch by 20-inch aperture in the center and it is through this aperture that the lift fixture must fit. The toroid must be 'threaded' through the EF aperture. Further, the Samus toroid coils are wound about the vertical portion of the aperture and thus limit the area where a lift fixture can make contact and not damage the coils. The fixture is designed to lift along a surface adjacent to the coils, but with clearance to the coil and with contact to the upper steel block of the toroid. The lift and installation will be done with the 50 ton crane at DO. The fixture was tested by lifting the Samus Toroid 2-inch off the floor and holding the weight for 10 minutes. Deflection was as predicted by …
Date: June 27, 1990
Creator: Stredde, H.
Object Type: Report
System: The UNT Digital Library
Texas Attorney General Opinion: LO90-38 (open access)

Texas Attorney General Opinion: LO90-38

Letter opinion issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Jim Mattox, regarding a legal question submitted for clarification.
Date: June 27, 1990
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Three point bend creep testing of carbon/epoxy (open access)

Three point bend creep testing of carbon/epoxy

This study provides data to verify theoretical models for predicting and characterizing viscoelastic behavior of fiber composites. Since performing uninterrupted creep tests for years at a time was not feasible, creep behavior was accelerated with elevated temperatures. An improved method was developed and implemented for measuring specimen deflection within the tight confines of an environmental chamber. This proved to be critical to make this experiment a success. 3 figs.
Date: June 27, 1990
Creator: Hiromoto, D.S.
Object Type: Report
System: The UNT Digital Library
Alternative ways to develop a national consensus and program plan related to actinide burning (open access)

Alternative ways to develop a national consensus and program plan related to actinide burning

This paper discusses the merits of differing strategies that the Department of Energy might care to adopt for developing a broader consensus within the United States on whether the US should proceed with a major program on actinide burning and if so, in what manner.
Date: July 27, 1990
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Texas Attorney General Opinion: JM-1194 (open access)

Texas Attorney General Opinion: JM-1194

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Jim Mattox, regarding a legal question submitted for clarification: Authority of a municipality to advance compensation to an employee (RQ-1924)
Date: July 27, 1990
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: JM-1195 (open access)

Texas Attorney General Opinion: JM-1195

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Jim Mattox, regarding a legal question submitted for clarification: Authority of a municipality to impose a registration fee, license fee, occupation tax, or a bond requirement on a state licensed air conditioning and refrigeration contractor (RQ-1993)
Date: July 27, 1990
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: JM-1196 (open access)

Texas Attorney General Opinion: JM-1196

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Jim Mattox, regarding a legal question submitted for clarification: Whether interest earned on monies in the Texas Exporters Loan Fund may be used to administer the Texas Exporters Loan Program (RQ-1786)
Date: July 27, 1990
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Texas Attorney General Opinion: LO90-47 (open access)

Texas Attorney General Opinion: LO90-47

Letter opinion issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Jim Mattox, regarding a legal question submitted for clarification; Whether the interpretation given in Attorney General Opinion JM-1100 (1989) of the platting requirements of Local Government Code section 232.001(a), for land located outside the limits of municipalities, applies as well to the platting requirements of section 212.004(a) for land located within the limits or extraterritorial jurisdiction of municipalities.
Date: July 27, 1990
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History