Background to the Overthrow of President Aristide (open access)

Background to the Overthrow of President Aristide

This report provides background information on the violent and authoritarian traditions that have characterized Haiti's political dynamics since Haiti attained independence in 1804. It examines Haiti's difficult path toward democracy after the fall of the Duvalier regime, from numerous short-lived governments until the election of Aristide. Finally, the report also surveys Aristide's rule and his subsequent overthrow by the Haitian military.
Date: October 22, 1993
Creator: Taft-Morales, Maureen
Object Type: Report
System: The UNT Digital Library
Final vegetative cover for closed waste sites (open access)

Final vegetative cover for closed waste sites

Low-level, hazardous, and mixed waste disposal sites normally require some form of plant material to prevent erosion of the final closure cap. Waste disposal sites are closed and capped in a complex scientific manner to minimize water infiltration and percolation into and through the waste material. Turf type grasses are currently being used as an interim vegetative cover for most sites. This coverage allows for required monitoring of the closure cap for settlement and maintenance activities. The purpose of this five year study was to evaluate plant materials for use on wastes sites after the post-closure care period that are quickly and easily established and economically maintained, retard water infiltration, provide maximum year-round evapotranspiration, are ecologically acceptable and do not harm the closure cap. The results of the study suggest that two species of bamboo (Phyllostachys (P.) bissetii and P. rubromarginata) can be utilized to provide long lived, low maintenance, climax vegetation for the waste sites after surveillance and maintenance requirements have ceased.
Date: January 22, 1993
Creator: Cook, J. R. & Salvo, S. K.
Object Type: Report
System: The UNT Digital Library
High efficiency shale oil recovery (open access)

High efficiency shale oil recovery

The overall project objective is to demonstrate the high efficiency of the Adams Counter-Current shale oil recovery process. The efficiency will first be demonstrated on a small scale, in the current phase, after which the demonstration will be extended to the operation of a small pilot plant. Thus the immediate project objective is to obtain data on oil shale retorting operations in a small batch rotary kiln that will be representative of operations in the proposed continuous process pilot plant. Although an oil shale batch sample is sealed in the batch kiln from the start until the end of the run, the process conditions for the batch are the same as the conditions that an element of oil shale would encounter in a continuous process kiln. Similar chemical and physical conditions (heating, mixing, pyrolysis, oxidation) exist in both systems.The two most important data objectives in this phase of the project are to demonstrate (1) that the heat recovery projected for this project is reasonable and (2) that an oil shale kiln will run well and not plug up due to sticking and agglomeration. The following was completed this quarter. (1) Twelve pyrolysis runs were made on five different oil shales. …
Date: April 22, 1993
Creator: Adams, D.C.
Object Type: Report
System: The UNT Digital Library
Model building, control and optimization of large scale systems (open access)

Model building, control and optimization of large scale systems

This report covers the research progress made during the calendar year 1992. The new results obtained during this period are described, keyed to the references listed on the last two pages of this report.
Date: February 22, 1993
Creator: Basar, T.
Object Type: Report
System: The UNT Digital Library
Engineering development of advanced coal-fired low-emission boiler systems (open access)

Engineering development of advanced coal-fired low-emission boiler systems

Project Work Plan was developed with joint participation by all subsystem teams. Comprehensive overall project activity schedules were developed for all individual B W groups and subcontractors with participation in Phase I.
Date: January 22, 1993
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Texas Register, Volume 18, Number 48, Pages 4117-4150, June 22, 1993 (open access)

Texas Register, Volume 18, Number 48, Pages 4117-4150, June 22, 1993

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: June 22, 1993
Creator: Texas. Secretary of State.
Object Type: Journal/Magazine/Newsletter
System: The Portal to Texas History
Texas Register, Volume 18, Number 80, Pages 7315-7438, October 22, 1993 (open access)

Texas Register, Volume 18, Number 80, Pages 7315-7438, October 22, 1993

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: October 22, 1993
Creator: Texas. Secretary of State.
Object Type: Journal/Magazine/Newsletter
System: The Portal to Texas History
Texas Attorney General Opinion: DM-196 (open access)

Texas Attorney General Opinion: DM-196

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, Dan Morales, regarding a legal question submitted for clarification: Whether the prekindergarten program established by section 21.136 of the Education Code is part of elementary education under Texas law, and related questions (RQ-436)
Date: January 22, 1993
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Causes and proposed resolutions of high vibration in NWTF transfer pumps (open access)

Causes and proposed resolutions of high vibration in NWTF transfer pumps

This Technical Report is intended to communicate the findings from the latest phase of New Waste Transfer Facility (NWTF) transfer pump testing. These tests have identified causes for the high pump vibrations that have been observed during previous phases of transfer pump startup testing, and have led to recommendations for resolving the vibration problem. The paper describes the problem, the test methodology, observations, and recommend actions to correct the vibration problem.
Date: October 22, 1993
Creator: Trawinski, B. J.
Object Type: Report
System: The UNT Digital Library
Properties of W + jet events in proton-antiproton collisions at 1.8 TeV (open access)

Properties of W + jet events in proton-antiproton collisions at 1.8 TeV

W boson + QCD Jet events, produced in 1.8 TeV proton-antiproton collisions and measured by the Collider Detector at Fermilab (CDF), were used to measure the center-of-mass production angle of the W + jet system, and were also used to place limits on the production of excited quark states. The center-of-mass production angular distribution agrees well with leading order and next-to-leading order QCD predictions. Excited quark states were searched for in the reaction q + g {yields} q* {yields} q + W. Upper limits on the q* cross section, as a function of the q* mass, are shown. Comparison with a theoretical prediction for q* production excludes excited quark states with a mass in the range 150--530 GeV/c{sup 2}, at 95% confidence.
Date: November 22, 1993
Creator: Drucker, R. B.
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Natural gas annual 1992. Volume 2 (open access)

Natural gas annual 1992. Volume 2

This document provides information on the supply and disposition of natural gas to a wide audience including industry, consumers, Federal and State agencies, and educational institutions. This report, Volume 2, presents historical data for the Nation from 1930 to 1992, and by State from 1967 to 1992. The Supplement of this report presents profiles of selected companies.
Date: November 22, 1993
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Surfactant studies for bench-scale operation. Fifth quarterly technical progress report: July 1, 1993--September 30, 1993 (open access)

Surfactant studies for bench-scale operation. Fifth quarterly technical progress report: July 1, 1993--September 30, 1993

A phase II study has been initiated to investigate surfactant-assisted coal liquefaction, with the objective of quantifying the enhancement in liquid yields and product quality. This report covers the fifth quarter of work. The major accomplishments were: (1) Completion of coal liquefaction autoclave reactor runs and related analysis with Illinois no. 6 coal at 400{degrees}C with and without surfactant and/or catalyst at pressures of 1700 psig; (2) A literature search into the effect that lignin has in the coprocessing of coal; and (3) Presentation of a report summarizing the first year of work on this task at the Annual Liquefaction Contractors Review Conference. Results from this quarter show that lignosulfonate surfactant continues to increase overall MAF conversion of Illinois no. 6 coal at temperatures up to 400{degrees}C and produces an improvement in light boiling fraction distillate over the base case of no surfactant addition.
Date: October 22, 1993
Creator: Hickey, G. S. & Sharma, P. K.
Object Type: Report
System: The UNT Digital Library
Research consortium on fractured petroleum reservoirs. Third quarterly report, July 1--September 30, 1993 (open access)

Research consortium on fractured petroleum reservoirs. Third quarterly report, July 1--September 30, 1993

Our 1993 third quarter report discusses the results of our work on: (1) gas-oil gravity drainage in layered media; and, (2) the influence of viscous forces on gas-oil flow in fractured porous media. For sometime, we have been working on the incorporation of reinfiltration and capillary continuity concepts in a dual-porosity model. A simple and accurate technique has been developed for this purpose. The experiments on gas-oil gravity drainage in layered media are intended to: (1) verify our theoretical analysis; (2) provide more insight; and, (3) provide a guide for the simulation of gas-oil gravity drainage at field scale. On the first objective, the experiments confirm that gas-oil gravity drainage could result in a downward gas fingering phenomenon. Without capillary pressure, downward gas fingering could not realize. The experiments also show that drainage from a less permeable layer would be an extremely slow process. This is similar to the drainage performance of matrix blocks in fractured porous media. Apparently, relative permeability to gas (i.e. gas mobility) may be important for flow in layered porous media. The project on the effect of viscous forces on gas-oil displacement in fractured porous media has taken longer than anticipated. For the first time, in …
Date: November 22, 1993
Creator: Firoozabadi, A. & Markeset, T.
Object Type: Report
System: The UNT Digital Library
Final vegetative cover for closed waste sites. Revision 1 (open access)

Final vegetative cover for closed waste sites. Revision 1

Low-level, hazardous, and mixed waste disposal sites normally require some form of plant material to prevent erosion of the final closure cap. Waste disposal sites are closed and capped in a complex scientific manner to minimize water infiltration and percolation into and through the waste material. Turf type grasses are currently being used as an interim vegetative cover for most sites. This coverage allows for required monitoring of the closure cap for settlement and maintenance activities. The purpose of this five year study was to evaluate plant materials for use on wastes sites after the post-closure care period that are quickly and easily established and economically maintained, retard water infiltration, provide maximum year-round evapotranspiration, are ecologically acceptable and do not harm the closure cap. The results of the study suggest that two species of bamboo (Phyllostachys (P.) bissetii and P. rubromarginata) can be utilized to provide long lived, low maintenance, climax vegetation for the waste sites after surveillance and maintenance requirements have ceased.
Date: January 22, 1993
Creator: Cook, J. R. & Salvo, S. K.
Object Type: Report
System: The UNT Digital Library
The use of intelligence information to identify the foreign interests of entities involved with DOE programs (open access)

The use of intelligence information to identify the foreign interests of entities involved with DOE programs

This report investigates whether DOE activities could benefit from greater and more consistent access to intelligence information on selected entities with foreign interests. It does not cover dual-use and munition commodities. The investigation determined what information was available from the national intelligence community and law enforcement agencies that would have prevented DOE contracts with selected entities if the information had been available and regulations regarding contracts with selected entities had been enforced.
Date: October 22, 1993
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Metallocarboxylate chemistry. Progress report, November 17, 1992--November 22, 1993 (open access)

Metallocarboxylate chemistry. Progress report, November 17, 1992--November 22, 1993

Research is focused on bimetallic compounds of late transition metals with carbon dioxide or CO{sub 2}-containing bridging ligands. The compounds are models for catalytic intermediates in CO{sub 2} fixation/activation processes. Thermolysis was studied. Re, Fe, and Sn complexes were studied.
Date: November 22, 1993
Creator: Gibson, D. H.
Object Type: Report
System: The UNT Digital Library
Varying execution discipline to increase performance (open access)

Varying execution discipline to increase performance

This research investigates the relationship between execution discipline and performance. The hypothesis has two parts: 1. Different execution disciplines exhibit different performance for different computations, and 2. These differences can be effectively predicted by heuristics. A machine model is developed that can vary its execution discipline. That is, the model can execute a given program using either the control-driven, data-driven or demand-driven execution discipline. This model is referred to as a ``variable-execution-discipline`` machine. The instruction set for the model is the Program Dependence Web (PDW). The first part of the hypothesis will be tested by simulating the execution of the machine model on a suite of computations, based on the Livermore Fortran Kernel (LFK) Test (a.k.a. the Livermore Loops), using all three execution disciplines. Heuristics are developed to predict relative performance. These heuristics predict (a) the execution time under each discipline for one iteration of each loop and (b) the number of iterations taken by that loop; then the heuristics use those predictions to develop a prediction for the execution of the entire loop. Similar calculations are performed for branch statements. The second part of the hypothesis will be tested by comparing the results of the simulated execution with the …
Date: December 22, 1993
Creator: Campbell, P. L. & Maccabe, A. B.
Object Type: Report
System: The UNT Digital Library
Enhancing the use of coals by gas reburning-sorbent injection. Quarterly report No. 21, October 1--December 31, 1992 (open access)

Enhancing the use of coals by gas reburning-sorbent injection. Quarterly report No. 21, October 1--December 31, 1992

The objective of this project is to evaluate and demonstrate a cost effective emission control technology for acid rain precursors, oxides of nitrogen (NO{sub x}) and sulfur (SO{sub x}) on two coal fired utility boilers in Illinois. The units selected are representative of pre-NSPS design practices: tangential and cyclone fired. The specific objectives are to demonstrate reductions of 60 percent in NO{sub x} and 50 percent in SO{sub x} emissions, by a combination of two developed technologies, gas reburning (GR) and sorbent injection (SI). With GR, about 80--85 percent of the coal fuel is fired in the primary combustion zone. The balance of the fuel is added downstream as natural gas to create a slightly fuel rich environment in which NO{sub x} is converted to N{sub 2}. The combustion process is completed by overfire air addition. SO{sub x} emissions are reduced by injecting dry sorbents (usually calcium based) into the upper furnace. The sorbents trap SO{sub x} as solid sulfates that are collected in the particulate control device. This project is conducted in three phases at each site: (1) Design and Permitting, (2) Construction and Startup, and (3) Operation, Data Collection, Reporting and Disposition: Technology transfer to industry is accomplished …
Date: January 22, 1993
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Precision of source response inside dimpled HAD brass tubes (open access)

Precision of source response inside dimpled HAD brass tubes

We have measured the variation in response of the {sup 137}CS source as positioned in 10 samples of the brass source tubes, dimpled at {plus_minus}5 cm from the center of a scintillator tile. We find an RMS in the signals of 2.5%.
Date: February 22, 1993
Creator: Jankowski, D. J. & Stanek, R.
Object Type: Report
System: The UNT Digital Library
Model building, control and optimization of large scale systems. Progress report, January 1992--January 1993 (open access)

Model building, control and optimization of large scale systems. Progress report, January 1992--January 1993

This report covers the research progress made during the calendar year 1992. The new results obtained during this period are described, keyed to the references listed on the last two pages of this report.
Date: February 22, 1993
Creator: Basar, T.
Object Type: Report
System: The UNT Digital Library
Overview of WARP, a particle code for Heavy Ion Fusion (open access)

Overview of WARP, a particle code for Heavy Ion Fusion

The beams in a Heavy Ion beam driven inertial Fusion (HIF) accelerator must be focused onto small spots at the fusion target, and so preservation of beam quality is crucial. The nonlinear self-fields of these space-charge-dominated beams can lead to emittance growth; thus a self-consistent field description is necessary. We have developed a multi-dimensional discrete-particle simulation code, WARP, and are using it to study the behavior of HIF beams. The code`s 3d package combines features of an accelerator code and a particle-in-cell plasma simulation, and can efficiently track beams through many lattice elements and around bends. We have used the code to understand the physics of aggressive drift-compression in the MBE-4 experiment at Lawrence Berkeley Laboratory (LBL). We have applied it to LBL`s planned ILSE experiments, to various ``recirculator`` configurations, and to the study of equilibria and equilibration processes. Applications of the 3d package to ESQ injectors, and of the r, z package to longitudinal stability in driver beams, are discussed in related papers.
Date: February 22, 1993
Creator: Friedman, A.; Grote, D. P.; Callahan, D. A.; Langdon, A. B. & Haber, I.
Object Type: Article
System: The UNT Digital Library
PIC space-charge emission with finite {Delta}t and {Delta}z (open access)

PIC space-charge emission with finite {Delta}t and {Delta}z

A new algorithm for space charge emission has been developed to provide the correct (to a few percent) Child-Langmuir steady-state current limits as the number of mesh points in the voltage gap drops to O(10). Further, the transient behavior of such flows compares well with idealized, analytic cases, lending confidence as we extend these algorithms into full RZ geometry with curved emitting surfaces to investigate transient characteristics of realistic injector designs.
Date: February 22, 1993
Creator: Hewett, D. W. & Chen, Yu-Jiuan
Object Type: Article
System: The UNT Digital Library
High- and low-temperature bonding techniques for microstructures (open access)

High- and low-temperature bonding techniques for microstructures

The ability to bond together two or more silicon wafers greatly expands the variety and complexity of silicon microstructures that can be designed and fabricated. At LLNL, microstructures have been used for many years as hardware in scientific experiments. The activity has recently been expanded into other areas to include microinstruments for biomedical applications and for chemical analysis. Both high temperature (1100{degrees}C) bonding techniques have been used, depending on the application. This paper discusses these applications with emphasis on the most extensive which is the fabrication of microchannel coolers for diode arrays.
Date: June 22, 1993
Creator: Ciarlo, D. R.
Object Type: Article
System: The UNT Digital Library
Texas Attorney General Opinion: LO93-005 (open access)

Texas Attorney General Opinion: LO93-005

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, Dan Morales, regarding a legal question submitted for clarification: Whether a county commissioner or other members on the county commissioners court may vote to approve the sheriff’s decision to hire the commissioner’s nephew as a deputy sheriff (ID# 18353)
Date: January 22, 1993
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History