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1 - 24 of
3,061
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Method of forming metallic coatings on polymeric substrates and of forming graded polymeric coatings or films
The invention described herein relates to methods of forming graded polymeric coatings or films on a desired substrate and of forming metallic coatings on polymeric or other nonmetallic substrates. In particular, it relates to methods of forming such coatings or films by sorption and/or diffusion of metals into coatings or films of polymeric material deposited by conventional techniques on a desired substrate.
Date:
March 11, 1981
Creator:
Liepins, R.
Object Type:
Patent
System:
The UNT Digital Library
Analysis of standards for energy-efficient motors
This analysis does not lead to a clear conclusion regarding the effectiveness of standards for energy efficient motors if effectiveness is based on a benefit-cost ratio criteria. Two alternative assumptions were made regarding the appropriate measure of the costs to the private sector. In the first case it was assumed that private sector users have no biases and expect rates of return on investment that represent their true opportunity cost of capital. Under this assumption the benefit-cost ratio is .65, that is, for every dollar of cost incurred, the associated benefit is 65 cents. The alternative assumption is tha the private sector under values energy conservation investments. Under this assumption, the benfit-cost ratio of the standards program was 1.35. For every dollar spent, $1.35 is returned to society, because the standards force private sector users to correct their biases and therefore allocate capital more productively.
Date:
March 1, 1981
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Investigation of mechanically hard, chemically inert antireflection coatings for photovoltaic solar modules. Final technical report, April 1, 1980-March 31, 1981
The overall objective of this program is to determine the optical properties of i-Carbon (diamond-like) films and determine if these films can be developed into antireflecting (AR) coatings for silicon solar cells. The i-C films have been produced on glass, silicon, and KCl by radio frequency (RF) plasma decomposition of the alkane gases. Films were also produced on silicon solar cells by low-energy ion beam techniques. These coatings did not perform as well as those made from hydrocarbon gases. Significant progress has been made in understanding the deposition parameters that affect the optical properties of the films. The optical constants n and k have been determined over a large range of process parameters and source gas. The degree of hydrogen incorporation in these films has been studied by SIMS analysis. It was found that the lower optically absorbing films contain more hydrogen. This hydrogen does not, however, manifest itself in fundamental C-H absorption bands in the infrared. Very efficient single-layer quarter-wave i-C AR coatings have been produced on single-crystal and SOC Si solar cells. An increase in cell efficiency of 40% over uncoated cells has been achieved.
Date:
March 31, 1981
Creator:
Moravec, T.J.
Object Type:
Report
System:
The UNT Digital Library
Self-potential modeling from primary flows
A new method for the calculation of self potentials (SP) based on induced current sources is presented. The induced current sources are due to divergences of the convective current which is driven, in turn, by a primary flow, either heat or fluid. Numerical modeling utilizing this method has been implemented using a two-dimensional transmission surface algorithm. When the primary flow is driven by the gradient of a potential, joint modeling of the primary flow and the resultant SP is possible with this algorithm. Examples of simple geometrical models in the presence of point sources for the primary flow are presented and discussed. Lastly, a field example of the joint modeling of temperature and SP data is illustrated with data from Red Hill Hot Spring, Utah.
Date:
March 1, 1981
Creator:
Sill, W.R.
Object Type:
Report
System:
The UNT Digital Library
Summary report on the Solar Consumer Assurance Network (SOLCAN) Program Planning Task in the southern region
The goal of the SOLCAN Program Planning Task is to assist in the development, at the state and local levels, of consumer assurance approaches that will support the accelerated adoption and effective use of new products promoted by government incentives to consumers to meet our nation's energy needs. The task includes state-conducted evaluations and state SOLCAN meetings to identify consumer assurance mechanisms, assess their effectiveness, and identify and describe alternative means for strengthening consumer and industry assurance in each state. Results of the SOLCAN process are presented, including: a Solar Consumer Protection State Assessment Guide; State Solar Consumer Assurance Resources for Selected States; State Solar Consumer Protection Assessment Interviews for Florida; and state SOLCAN meeting summaries and participants. (LEW)
Date:
March 15, 1981
Creator:
Browne, M. B.
Object Type:
Report
System:
The UNT Digital Library
Steering system for a train of rail-less vehicles
A steering system for use with a multiple vehicle train is disclosed which permits tracking without rails of one vehicle after another. This system is particularly useful for moving conveyor systems into and out of curved paths of room and pillar underground mine installations. The steering system features an elongated steering bar pivotally connected to each of adjacent vehicles at end portions of the bar permitting angular orientation of each vehicle in respect to the steering bar and other vehicles. Each end portion of the steering bar is linked to the near pair of vehicle wheels through wheel yoke pivot arms about king pin type pivots. Movement of the steering bar about its pivotal connection provides proportional turning of the wheels to effect steering and tracking of one vehicle following another in both forward and reverse directions.
Date:
March 13, 1981
Creator:
Voight, Edward Theodore
Object Type:
Patent
System:
The UNT Digital Library
Direct application of West Coast geothermal resources in a wet-corn-milling plant. Final report
The engineering and economic feasibility of using the geothermal resources in East Mesa, California, in a new corn processing plant is evaluated. Institutional barriers were also identified and evaluated. Several alternative plant designs which used geothermal energy were developed. A capital cost estimate and rate of return type of economic analysis were performed to evaluate each alternative. (MHR)
Date:
March 1, 1981
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
High-temperature gas-cooled reactor safety-reliability program plan
The purpose of this document is to present a safety plan as part of an overall program plan for the design and development of the High Temperature Gas-Cooled Reactor (HTGR). This plan is intended to establish a logical framework for identifying the technology necessary to demonstrate that the requisite degree of public risk safety can be achieved economically. This plan provides a coherent system safety approach together with goals and success criterion as part of a unifying strategy for licensing a lead reactor plant in the near term. It is intended to provide guidance to program participants involved in producing a technology base for the HTGR that is fully responsive to safety consideration in the design, evaluation, licensing, public acceptance, and economic optimization of reactor systems.
Date:
March 1, 1981
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Massachusetts State Briefing Book for low-level radioactive waste management
The Massachusetts State Briefing Book is one of a series of State briefing books on low-level radioactive waste management practices. It has been prepared to assist State and Federal agency officials in planning for safe low-level radioactive waste disposal. The report contains a profile of low-level radioactive waste generators in Massachusetts. The profile is the result of a survey of NRC licensees in Massachusetts. The briefing book also contains a comprehensive assessment of low-level radioactive waste management issues and concerns as defined by all major interested parties including industry, government, the media, and interest groups. The assessment was developed through personal communications with representatives of interested parties, and through a review of media sources. Lastly, the briefing book provides demographic and socioeconomic data and a discussion of relevant government agencies and activities, all of which may impact waste management practices in Massachusetts.
Date:
March 12, 1981
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
National Solar Water Heater Workshop Present at DOE Region V meeting for managers of State Energy Extension Service and State Energy Conservation Plan, March 18-19, 1981
After a brief description of the National Solar Water Heater Workshop and some comments by users of the solar water heater, the hardware supplier handbook is presented. The performance expected of a hardware supplier is described, solar system components and their specifications are listed, and information is provided to assist the hardware supplier in obtaining necessary materials. (LEW)
Date:
March 1981
Creator:
Mumma, Stanley A. & Marinello, Michael G.
Object Type:
Report
System:
The UNT Digital Library
Western gas sands project. Status report, July-August-September 1981
The progress during July, August and September 1981 on increasing gas production from low permeability gas sands of the Western United States, is summarized in this edition of the WGSP Quarterly Status Report. During the quarter, CK GeoEnergy completed the field work in the Rifle Gap area near Rifle, Colorado, as well as the Draft Phase VI report covering the prognosis about reservoir geometry in the Multi-Well site area. The improved pressure coring system project, officially terminated Sept. 30. Accomplishments included increased capabilities for the pressure core barrel, improvements in the low invasion fluid plus various laboratory core intrusion studies and improved designs for PDC drill bits. At Lawrence Livermore National Laboratory, the P/sup 2/L/sup 2/ system described last quarter was evaluated further and the decision has been made to abandon further investigation. The Los Alamos National Laboratory Ceramics Materials Group is preparing to fabricate a ceramic sample with cylindrical pores of specified diameters. The NMR data on this type sample will contribute to a better understanding of the parameters affecting NMR relaxation rates in porous media. During the quarter, modifications were made in the operating and application software of the DOE Well Test Facility, which will support additions to …
Date:
March 1, 1981
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Improved collecting apparatus
An improved collecting apparatus for small aquatic or airborne organisms such as plankton, larval fish, insects, etc. The improvement constitutes an apertured removal container within which is retained a collecting bag, and which is secured at the apex of a conical collecting net. Such collectors are towed behind a vessel or vehicle with the open end of the conical net facing forward for trapping the aquatic or airborne organisms within the collecting bag, while allowing the water or air to pass through the apertures in the container. The container is readily removable from the collecting net whereby the collecting bag can be quickly removed and replaced for further sample collection. The collecting bag is provided with means for preventing the bag from being pulled into the container by the water or air following therethrough.
Date:
March 5, 1981
Creator:
Duncan, C.P.
Object Type:
Text
System:
The UNT Digital Library
Hydrodesulfurization and hydrodenitrogenation catalysts obtained from coal mineral matter. [Patent application]
A hydrotreating catalyst is prepared from coal mineral matter obtained by low temperature ashing coals of relatively low bassanite content by the steps of: (a) depositing on the low temperature ash 0.25 to 3 grams of an iron or nickel salt in water per gram of ash and drying a resulting slurry; (b) crushing and sizing a resulting solid; and (c) heating the thus-sized solid powder in hydrogen.
Date:
March 26, 1981
Creator:
Hwai-der Liu, K. & Hamrin, C.E. Jr.
Object Type:
Patent
System:
The UNT Digital Library
Moment-free toroidal magnet background of the invention
A toroidal magnet is described for confining a high magnetic field for use in fusion reactor research and nuclear particle detection. The magnet includes a series of conductor elements arranged about and fixed at its small major radius portion to the outer surface of a central cylindrical support each conductor element having a geometry such as to maintain the conductor elements in pure tension when a high current flows therein, and a support assembly which redistributes all or part of the tension which would otherwise arise in the small major radius portion of each coil element to the large major radius portion thereof.
Date:
March 2, 1981
Creator:
unknown
Object Type:
Patent
System:
The UNT Digital Library
Building with passive solar: an application guide for the southern homeowner and builder
This instructional material was prepared for training workshops for builders and home designers. It includes: fundamental definitions and equations, climate and site studies, building components, passive systems and techniques, and design tools. (MHR)
Date:
March 1, 1981
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Radioactive materials released from nuclear power plants. Annual report 1978
Releases of radioactive materials in airborne and liquid effluents from commerical light water reactors during 1978 have been compiled and reported. Data on soild waste shipments as well as selected operating information have been included. This report supplements earlier annual reports by the former Atomic Energy Commission and the Nuclear Regulatory Commission. The 1978 release data are compared with previous years releases in tabular form. Data covering specific radionuclides are summarized.
Date:
March 1, 1981
Creator:
Tichler, J. & Benkovitz, C.
Object Type:
Report
System:
The UNT Digital Library
Continuous chain bit with downhole cycling capability
A continuous chain bit for hard rock drilling is disclosed which is capable of downhole cycling. A drill head assembly moves axially relative to a support body while the chain on the head assembly is held in position so that the bodily movement of the chain cycles the chain to present new composite links for drilling. A pair of spring fingers on opposite sides of the chain hold the chain against movement. The chain is held in tension by a spring-biased tensioning bar. A head at the working end of the chain supports the working links. The chain is centered by a reversing pawl and piston actuated by the pressure of the drilling mud. Detent pins lock the head assembly with respect to the support body and are also operated by the drilling mud pressure. A restricted nozzle with a divergent outlet sprays drilling mud into the cavity to remove debris. Indication of the centered position of the chain is provided by noting a low pressure reading indicating proper alignment of drilling mud slots on the links with the corresponding feed branches.
Date:
March 17, 1981
Creator:
Ritter, D. F.; St. Clair, J. A. & Togami, H. K.
Object Type:
Patent
System:
The UNT Digital Library
Receiver for solar-energy collector having improved aperture aspect
A secondary concentrator for use in receiver systems for linear focusing primary concentrators is provided with reflector wings at each end. The wings increase the capture of light rays reflected from areas adjacent the rim of a primary concentrator, increasing the apparent aperture size of the receiver as viewed from the rim of the primary concentrator. The length, tilt, and curvature of the wing reflectors can be adjusted to provide a receiver having a desired aperture aspect.
Date:
March 13, 1981
Creator:
McIntire, W.R.
Object Type:
Patent
System:
The UNT Digital Library
Social Psychological Aspects of the Judeo-Christian Stance Toward Homosexuality
A report discussing the research and findings of the social and psychological aspects of the Judeo-Christian stance toward homosexuality.
Date:
March 1981
Creator:
Cameron, Paul & Ross, Kenneth P.
Object Type:
Article
System:
The UNT Digital Library
[Photograph 2012.201.B0125.0378]
Photograph used for a story in the Daily Oklahoman newspaper.
Date:
March 4, 1981
Creator:
Southerland, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Calcium/metal Sulfide Battery Development Program. Progress Report, October 1979 - September 1980
A Ca-Al-Si/FeS2 cell has been developed and has exhibited reasonably stable capacity through 3200 h of operation. This system is expected to be capable of meeting the ultimate performance goals (i.e., 160 W.h/kg) of this development program. Further tests of this cell system in the coming year will better define its ultimate performance capabilities.
Date:
March 1981
Creator:
Barney, Duane L.; Roche, M. F.; Preto, S. K.; Ross, L. E.; Otto, N. C. & Martino, F. J.
Object Type:
Report
System:
The UNT Digital Library
Proceedings of the Workshop on Foundations of the Relativistic Theory of Atomic Structure : Held at Argonne National Laboratory, December 4-5, 1980
Although the Dirac theory of the hydrogen atom was proposed more than half a century ago, extension of the theory and its practical applications to complex atomic spectra took decades to mature. Development of quantum electrodynamics (QED) in its modern form, advances in high precision experimental techniques, and invention of high-speed computers have made atomic spectroscopy one of the most accurate branches of physics today, both in theory and experiment. In addition to a long-standing need to identify line-spectra coming from far and near parts of the universe, necessities such as to test QED further and to provide reliable data for ions in tokamak plasmas require an understanding of the theory of relativistic atomic structure beyond the framework of the original Dirac theory. Twenty articles from the proceedings of the workshop are presented. Contributed papers are grouped into theoretical and experimental subjects and presented after the papers for the second (atomic structure calculations) and third (experiment) sessions of the Workshop. Alphabetical listing of the authors is presented in Appendix 1, program of the Workshop in Appendix 2, and the list of the participants in Appendix 3.
Date:
March 1981
Creator:
Berry, H. G.; Cheng, K. T.; Johnson, W. R. & Kim, Yong-Ki
Object Type:
Report
System:
The UNT Digital Library
Environmental Monitoring at Argonne National Laboratory, Annual Report: 1980
Annual report of the environmental monitoring program at Argonne National Laboratory, discussing activities and findings of the group.
Date:
March 1981
Creator:
Golchert, N. W.; Duffy, T. L. & Sedlet, J.
Object Type:
Report
System:
The UNT Digital Library
[Photograph 2012.201.B0120.0250]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Taking his debut as a musician seriously, James Calloway bangs out an accompaniment as his fellow first grade students provide a western music program for proud parents."
Date:
March 26, 1981
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History