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Office of Scientific & Technical Information Technical Reports
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Texas State Publications
341
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130
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110
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13,996 Matching Results
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Identifying Health Technologies That Work: Searching for Evidence
The purpose of this report is to examine two crucial questions: 1. What are we getting out of this investment? 2. How can we improve it?
Date:
September 1994
Creator:
United States. Congress. Office of Technology Assessment.
Object Type:
Report
System:
The UNT Digital Library
Civilian Satellite Remote Sensing: A Strategic Approach
This report analyzes the case for developing a long-term, comprehensive strategic plan for civilian satellite remote sensing, and explores the elements of such a plan, if it were adopted. The report also enumerates many of the congressional decisions needed to ensure that future data needs will be satisfied.
Date:
September 1994
Creator:
United States. Congress. Office of Technology Assessment.
Object Type:
Report
System:
The UNT Digital Library
Climate Treaties and Models: Issues in the International Management of Climate Change
This paper seeks to place the issue of climate change within an international context. Specifically, it addresses the feasibility of forging treaty agreements among countries to achieve significant worldwide reductions in emissions of greenhouse gases.
Date:
June 1994
Creator:
United States. Congress. Office of Technology Assessment.
Object Type:
Report
System:
The UNT Digital Library
Defensive Medicine and Medical Malpractice
This report discusses the medical malpractice system that has frequently been cited as a contributor to increasing health care costs and has been targeted in many health care reform proposals as a potential source of savings. The report first examines the nature of defensive medicine, adopting a working definition of defensive medicine that embraces the complexity of the problem from both the physician and broader public policy perspectives. Finally, it comments on the potential impact of a variety of medical malpractice reforms on the practice of defensive medicine.
Date:
July 1994
Creator:
United States. Congress. Office of Technology Assessment.
Object Type:
Report
System:
The UNT Digital Library
Electronic Enterprises: Looking to the Future
This report takes a strategic look at the development of electronic commerce and identifies the characteristics of the infrastructure that will be required to support it. The report found that, in an electronically networked economy, the design and underlying architecture of the global information infrastructure will have a major impact on national economic growth and development.
Date:
May 1994
Creator:
United States. Congress. Office of Technology Assessment.
Object Type:
Report
System:
The UNT Digital Library
Testing and Assessment in Vocational Education
The paper has six major purposes, in order to analyze the uses of tests used in vocational programs, particularly those designed to measure broad technical skills, identify trends in vocational assessment, and identify policy issues relevant to improving test development and quality.
Date:
March 1994
Creator:
United States. Congress. Office of Technology Assessment.
Object Type:
Report
System:
The UNT Digital Library
The Social Security Administration's Decentralized Computer Strategy: Issues and Options
The report highlights some of the opportunities and challenges faced by a major federal agency in: 1 ) implementing the Administration’s “National Performance Review and “National Information Infrastructure” programs, and 2) addressing issues raised in OTA’s 1993 report Making Government Work: Electronic Delivery of Federal Services.
Date:
April 1994
Creator:
United States. Congress. Office of Technology Assessment.
Object Type:
Report
System:
The UNT Digital Library
Annual Report to the Congress: Fiscal Year 1993
This report includes statements form OTA Chairman, Vice-Chairman, and Director, as well as TAAC Chairman. The report also discusses industry, commerce, and international security division, as well as health, life sciences and the environment division.
Date:
March 1994
Creator:
United States. Congress. Office of Technology Assessment.
Object Type:
Report
System:
The UNT Digital Library
Review of Desiccant Dehumidification Technology
This paper overviews applications of desiccant technology for dehumidifying commercial and institutional buildings. Because of various market, policy, and regulatory factors, this technology is especially attractive for dehumidification applications in the I990s.
Date:
October 1, 1994
Creator:
Pesaran, A. A.
Object Type:
Report
System:
The UNT Digital Library
Willow Creek Habitat Evaluation
The Willow Creek site is one of the most significant remaining areas of typical native Willamette Valley habitats, with a variety of wetlands, grasslands, and woodlands. A diverse array of native flora and fauna, with significant wildlife habitats, is present on the site. Wildlife diversity is high, and includes species of mammals, songbirds, raptors, reptiles, amphibians, and one rare invertebrate. Over 200 species of native plants have been identified (including populations of six rare, threatened, or endangered species), along with significant remnants of native plant communities. Willow Creek is located in Lane County, Oregon, on the western edge of the City of Eugene (see Figure 1). The city limit of Eugene passes through the site, and the site is entirely within the Eugene Urban Growth Boundary (UGB). At present, only lands to the east and northeast of the site are developed to full urban densities. Low density rural residential and agricultural land uses predominate on lands to the northwest and south. A partially completed light industrial/research office park is located to the northwest. Several informal trails lead south from West 18th at various points into the site. The area encompasses a total of approximately 349 acres under several ownerships, in …
Date:
September 1994
Creator:
Beilke, Susan
Object Type:
Report
System:
The UNT Digital Library
Notes from a Workshop on Gas Supersatuation and its Research Needs in the Columbia River, April 19-20, 1994 at the Coliseum Red Lion, Portland, Oregon.
None
Date:
April 1, 1994
Creator:
Bouck, Gerald R.
Object Type:
Report
System:
The UNT Digital Library
A Design Method for Multiple Tube Gas-Cooled Electrical Leads forthe g-2 Superconducting Magnets
None
Date:
December 15, 1994
Creator:
Green, M. A.; Jia, L. X.; Addessi, L. J.; Cullen, J. R.; Esper, A. J. & and Meier, R. E.
Object Type:
Article
System:
The UNT Digital Library
Umatilla River Basin Anadromus Fish Habitat Enhancement Project : 1994 Annual Report.
The Umatilla Basin Anadromous Fish Habitat Enhancement Project is funded under the Northwest Power Planning Council's Columbia River Basin Fish and Wildlife Program, Section 7.6-7.8 and targets the improvement of water quality and restoration of riparian areas, holding, spawning and rearing habitats of steelhead, spring and fall chinook and coho salmon. The project focused on implementing cooperative instream and riparian habitat improvements on private lands on the Umatilla Indian Reservation (hereafter referred to as Reservation) from April 1, 1988 to March 31, 1992. These efforts resulted in enhancement of the lower l/4 mile of Boston Canyon Creek, the lower 4 river miles of Meacham Creek and 3.2 river miles of the Umatilla River in the vicinity of Gibbon, Oregon. In 1993, the project shifted emphasis to a comprehensive watershed approach, consistent with other basin efforts, and began to identify upland and riparian watershed-wide causative factors impacting fisheries habitat and natural fisheries production capabilities throughout the Umatilla River Watershed. During the 1994-95 project period, a one river mile demonstration project was implemented on two privately owned properties on Wildhorse Creek. This was the first watershed improvement project to be implemented by the Confederated Tribes of the Umatilla Indian Reservation (CTUIR) off …
Date:
May 1, 1994
Creator:
Shaw, R. Todd
Object Type:
Report
System:
The UNT Digital Library
Discovery of the Most Distant Supernovae and the Quest for Omega
A search for cosmological supernovae has discovered a number of a type la supernovae. In particular, one at z = 0.458 is the most distant supernova yet observed. There is strong evidence from measurements of nearby type Ia supernovae that they can be considered as 'standard candles'. We plan to use these supernovae to measure the deceleration in the general expansion of the universe. The aim of our experiment is to try and observe and measure about 30 such distant supernovae in order to obtain a measurement of the deceleration parameter q{sub 0} which is related to {Omega}. Here {Omega} is the ratio of the density of the universe to the critical density, and we expect a measurement with an accuracy of about 30%.
Date:
May 1, 1994
Creator:
Goldhaber, G.; Boyle, B.; Bunclark, P.; Carter, D.; Ellis, R.; Gabi, S. et al.
Object Type:
Article
System:
The UNT Digital Library
Environmental Resources of Selected Areas of Hawaii: Groundwater in the Puna District of the Island of Hawaii (DRAFT)
This report has been prepared to make available and archive the background scientific data and related information collected on groundwater during the preparation of the environmental impact statement (EIS) for Phases 3 and 4 of the Hawaii Geothermal Project (HGP) as defined by the state of Hawaii in its April 1989 proposal to Congress. The U.S. Department of Energy (DOE) published a notice in the Federal Register on May 17,1994 (Fed Regis. 5925638), withdrawing its notice of intent (Fed. Regis. 575433) of February 14,1992, to prepare the HGP-EIS. Since the state of Hawaii is no longer pursuing or planning to pursue the HGP, DOE considers the project to be terminated. The background scientific data and related information presented in this report were collected for the geothermal resource subzones in the Puna District on the island of Hawaii. The scientific background data and related information is being made available for use by others in conducting future scientific research in these areas. This report describes the environmental resources present in the areas studied (i.e., the affected environment) and does not represent an assessment of environmental impacts. This paper summarizes the current state of knowledge with respect to groundwater in the Puna District …
Date:
June 1, 1994
Creator:
Staub, W.P.
Object Type:
Report
System:
The UNT Digital Library
Environmental Resources of Selected Areas of Hawaii: Geological Hazards (DRAFT)
This report has been prepared to make available and archive the background scientific data and related information collected on geologic hazards during the preparation of the environmental impact statement (EIS) for Phases 3 and 4 of the Hawaii Geothermal Project (HGP) as defined by the state of Hawaii in its April 1989 proposal to Congress. The U.S. Department of Energy (DOE) published a notice in the Federal Register on May 17, 1994 (Fed Regis. 5925638) withdrawing its Notice of Intent (Fed Regis. 575433) of February 14, 1992, to prepare the HGP-EIS. Since the state of Hawaii is no longer pursuing or planning to pursue the HGP, DOE considers the project to be terminated This report presents a review of current information on geologic hazards in the Hawaiian Islands. Interrelationships among these hazards are discussed. Probabilities of occurrence of given geologic hazards are provided in various regions where sufficient geologic or historical data are available. Most of the information contained herein is compiled from recent U.S. Geological Survey (USGS) publications and open-file reports. This report describes the natural geologic hazards present in the area and does not represent an assessment of environmental impacts. Geologic hazards originate both onshore and offshore. Onshore …
Date:
June 1, 1994
Creator:
Staub, W.P.
Object Type:
Report
System:
The UNT Digital Library
Environmental Resources of Selected Areas of Hawaii: Ecological Resources (DRAFT)
This report has been prepared to make available and archive the background scientific data and related information collected on ecological resources during the preparation of the environmental impact statement (EIS) for Phases 3 and 4 of the Hawaii Geothermal Project (HGP) as defined by the state of Hawaii in its April 1989 proposal to Congress. The U.S. Department of Energy (COE) published a notice in the Federal Register on May 17, 1994 (Fed. Regist. 5925638) withdrawing its Notice of Intent (Fed. Regst. 575433) of February 14, 1992, to prepare the HGP-EIS. Since the state of Hawaii is no longer pursuing or planning to pursue the HGP, DOE considers the project to be terminated. The background scientific data and related information presented in this report focus on several areas of Hawaii County, including the southeastern coast, a potential development corridor along the Saddle Road between Hilo and the North Kohala District on the northwestern coast, and on the southeastern coast of Maui. In this report, reference is made to these areas as study areas rather than as areas where proposed or alternative facilities of the HGP would be located. The resource areas addressed herein include terrestrial ecology, aquatic ecology, and marine …
Date:
June 1, 1994
Creator:
Trettin, C.C.; Tolbert, V.R.; Jones, A.T.; Smith, C.R. & Kalmijn, A.J.
Object Type:
Report
System:
The UNT Digital Library
The Effect of Steady Winds on Radon-222 Entry from soil into houses
Wind affects the radon-222 entry rate from soil into buildings and the resulting indoor concentrations. To investigate this phenomenon, we employ a previously tested three-dimensional numerical model of soil-gas Bow around houses, a commercial computational fluid dynamics code, an established model for determining ventilation rates in the presence of wind, and new wind tunnel results for the ground-surface pressure field caused by wind. These tools and data, applied under steady-state conditions to a prototypical residential building, allow us (1) to determine the complex soil-gas flow patterns that result from the presence of wind-generated ground-surface pressures, (2) to evaluate the effect of these flows on the radon concentration in the soil, and (3) to calculate the effect of wind on the radon entry rate and indoor concentration. For a broad range of soil permeabilities, two wind speeds, and two wind directions, we quantify the"flushing" effect of wind on the radon in the soil surrounding a house, and the consequent sharp decrease in radon entry rates. Experimental measurements of the time-dependent radon concentration in soil gas beneath houses confirm the existence of wind-induced flushing. Comparisons are made to modeling predictions obtained while ignoring the effect of the wind-generated ground-surface pressures. These investigations …
Date:
October 1, 1994
Creator:
Riley, W. J.; Gadgil, A. J.; Bonnefous, Y. C. & Nazaroff, W. W.
Object Type:
Article
System:
The UNT Digital Library
Use of Sound for Fish Protection at Power Facilities : A Historical Perspective of the State of the Art : Phase 1 Final Report.
This paper summarizes the current state of the knowledge of fish hearing, i.e., what is known about fish response to sound, and provides a starting place for investigation into the use of sonic behavior modification to help solve pressing problems in the maintenance and recovery of anadromous and resident fish stocks of the Columbia River Basin. The challenge for scientists and engineers is to understand (1) how and what fish hear, and (2) how to use this knowledge to influence fish behavior or to factor fish sensory systems and behavior into the design of fish protection devices at power-production and water-control facilities. The sections that follow are a studied response to this challenge. In many respects, the search for effective and economical ways to modify fish behavior without physical intervention is one of the grails of fish management, particularly (although not exclusively), relative to electric power production. Within the Columbia River Basin and elsewhere, water is put to many uses not conducive to the health of indigenous fish. Irrigation, impoundment, and hydropower production frequently modify the riverine environment to the detriment of indigenous stocks while creating productive environments for competing or predatory species. The mechanisms of impact are numerous. Water …
Date:
November 1, 1994
Creator:
Carlson, Thomas J.
Object Type:
Report
System:
The UNT Digital Library
The Low-Energy State ofCirculating Stored Ion Beams: Crystalline Beams
Molecular dynamics is employed to study the low energy states of a beam of charged particles subject to circumferentially varying guiding and focusing forces and with Coulomb forces between the particles. In a constant gradient ring, the lowest energy state is never ordered, but in an alternating gradient structure, operating below the transition energy, the lowest state is ordered. The nature and characteristics of the ground state depends upon the beam density and the ring parameters. For zero temperature the crystal remains intact for a very long time, but at nonzero temperatures it gains energy from the lattice. A critical temperature exists above which the crystal melts rapidly.
Date:
March 10, 1994
Creator:
Wei, J.; Li, X. P. & Sessler, Andrew M.
Object Type:
Article
System:
The UNT Digital Library
TREATMENT TESTS FOR EX SITU REMOVAL OF CHROMATE & NITRATE & URANIUM (VI) FROM HANFORD (100-HR-3) GROUNDWATER FINAL REPORT
This report describes batch and ion exchange column laboratory scale studies investigating ex situ methods to remove chromate (chromium [VI]), nitrate (NO{sub 3}{sup -}) and uranium (present as uranium [VI]) from contaminated Hanford site groundwaters. The technologies investigated include: chemical precipitation or coprecipitation to remove chromate and uranium; and anion exchange to remove chromate, uranium and nitrate. The technologies investigated were specified in the 100-HR-3 Groundwater Treatability Test Plan. The method suggested for future study is anion exchange.
Date:
January 3, 1994
Creator:
MA, BECK & JB, DUNCAN
Object Type:
Report
System:
The UNT Digital Library
Three Dimensional Laser Cooling of Stored and Circulating Ion Beams by Means of a Coupling Cavity
It is shown, theoretically, that a coupling cavity; namely an rf cavity operating in the TM{sup 210} mode, when inserted in a storage ring will enhance the coupling between longitudinal and transverse degrees of freedom. As a result, it is shown that the demonstrated very effective laser cooling of the longitudinal motion, can now be extended to transverse motion; i.e., employed to cool a beam in all three directions.
Date:
February 1, 1994
Creator:
Okamoto, H.; Sessler, Andrew M. & Mohl, D.
Object Type:
Article
System:
The UNT Digital Library
Sulfur removal in advanced two stage pressurized fluidized bed combustion. Technical report, September 1--November 30, 1994
The objective of this study is to obtain data on the rates and the extent of sulfation reactions involving partially sulfided calcium-based sorbents, and oxygen as well as sulfur dioxide, at operating conditions closely simulating those prevailing in the second stage (combustor) of Advanced Two-Stage Pressurized Fluidized-Bed Combustors (PFBC). In these systems the CO{sub 2} partial pressure generally exceeds the equilibrium value for calcium carbonate decomposition. Therefore, calcium sulfate is produced through the reactions between SO{sub 2} and calcium carbonate as well as the reaction between calcium sulfide and oxygen. To achieve this objective, the rates of reaction involving SO{sub 2} and oxygen (gaseous reactant); and calcium sulfide and calcium carbonate (solid reactants), will be determined by conducting tests in a pressurized thermogravimetric analyzer (HPTGA) unit. The effects of sorbent type, sorbent particle size, reactor temperature and pressure; and O{sub 2} as well as SO{sub 2} partial pressures on the sulfation reactions rate will be determined. During this quarter, samples of the selected limestone and dolomite were sulfided in the fluidized-bed reactor. These tests were conducted in both calcining and non-calcining operating conditions to produce partially-sulfided sorbents containing calcium oxide and calcium carbonate, respectively. These samples which represent the carbonizer …
Date:
December 31, 1994
Creator:
Abbasian, Javad; Hill, Andy; Wangerow, James R. & Honea, Franklin I.
Object Type:
Report
System:
The UNT Digital Library
Textile Topics, Volume 23, Number 2, Winter 1994-1995
Newsletter of the International Textile Center at Texas Tech University, discussing events, activities, and news, as well as other topics related to the textile community.
Date:
1994
Creator:
Texas Tech University. International Textile Center.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History