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Articles 38431 - 38460 of 40866
Full-Text Articles in Engineering
An Annotated Bibliography Of Ocs Documents In Maine, Maine State Planning Office
An Annotated Bibliography Of Ocs Documents In Maine, Maine State Planning Office
Maine Collection
An Annotated Bibliography of OCS Documents in Maine
Outer Continental Shelf Memorandum 1
Compiled by Edward H. Shenton & Charles S. Colgan
Maine Coastal Program, Maine State Planning Office, Augusta, Maine, 1977.
Contents: 1. Introduction / 2. OCS - General / 3. OCS - Federal Regulations / 4. Economic Aspects / 5. Environmental Studies / 6. Oil Spills - Effects and Studies / 7. Onshore Effects / 8. The North Sea Experience / 9. Legal Aspects / 10. Petroleum Drilling Technology
Single-Element Rotating-Polarizer Ellipsometer For Film-Substrate Systems, A.-R. M. Zaghloul, R. M.A. Azzam
Single-Element Rotating-Polarizer Ellipsometer For Film-Substrate Systems, A.-R. M. Zaghloul, R. M.A. Azzam
Electrical Engineering Faculty Publications
A novel and very simple ellipsometer for the characterization of film-substrate systems that employs one rotating optical element (a polarizer) is proposed. The ellipsometer is based on detecting the angles of incidence at which a film-substrate system has equal amplitude attenuations for light polarized parallel (p) and perpendicular (s) to the plane of incidence. At a certain wavelength, the film thickness of the filmsubstrate system has to lie within permissible-thickness bands (PTB) for the technique to apply.
19th Annual Conference On Analytical Chemistry
19th Annual Conference On Analytical Chemistry
Rocky Mountain Conference on Magnetic Resonance
Program and abstracts from the 19th annual meeting of the Conference on Analytical Chemistry, co-sponsored by the Rocky Mountain Section of the Society for Applied Spectroscopy and the Rocky Mountain Chromatography Discussion Group. Held in Denver, Colorado, August 1-3, 1977.
Cost Proposal To The United States Energy Research And Development Administration Studies And Environmental Policy Analysis: Water Quality And Quantity Issues That Affect Erda Programs, Jay M. Bagley, L. Douglas James, M. K. Jeppesen
Cost Proposal To The United States Energy Research And Development Administration Studies And Environmental Policy Analysis: Water Quality And Quantity Issues That Affect Erda Programs, Jay M. Bagley, L. Douglas James, M. K. Jeppesen
Reports
No abstract provided.
Static Temperature Measurements In Supersonic Flow Using Lasar Raman Spectroscopy, Paul A. Nystrom
Static Temperature Measurements In Supersonic Flow Using Lasar Raman Spectroscopy, Paul A. Nystrom
Mechanical & Aerospace Engineering Theses & Dissertations
Laser Raman spectroscopy is a nonintrusive technique which can generate mean static temperature (MST) data within flow fields. By ratioing two simultaneously gathered portions of the Raman scattered spectrum, absolute intensity measurements were not needed. This method was applied to a supersonic cold air jet, where the NST ranged from 160'K to 300'K. Accurate measurements were not realized due to the presence of flow contaminates, especially water vapor.
Sio2-Si Film-Substrate Reflection Polarizers For Different Mercury Spectral Lines, A.-R. M. Zaghloul, R. M.A. Azzam
Sio2-Si Film-Substrate Reflection Polarizers For Different Mercury Spectral Lines, A.-R. M. Zaghloul, R. M.A. Azzam
Electrical Engineering Faculty Publications
No abstract provided.
A Model To Investigate The Influence Of Suspended Sediment On The Mass Transport Of A Pollutant In Open Channel Flow, Raymond Scott Chapman
A Model To Investigate The Influence Of Suspended Sediment On The Mass Transport Of A Pollutant In Open Channel Flow, Raymond Scott Chapman
Civil & Environmental Engineering Theses & Dissertations
The environmental impact of the transport of pollutants in open channel flow has for many years been of interest due to the continuous introduction of heavy metals, pesticides, herbicides, and other foreign substances into natural waterways. In order to fully understand this transport process, it-is necessary to examine the significance of its individual components. In the present study an explicit two-dimensional finite difference model, designed to investigate the influence of suspended sediment on the pollutant transport process, is presented. Specific attention is directed toward examining the role of suspended sediment in 1) the turbulent vertical transport mechanism in a stratified …
Suspended And Dissolved Solids Effects On Freshwater Biota: A Review, Darwin L. Sorensen, Margaret M. Mccarthy, E. Joe Middlebrooks, Donald B. Porcella
Suspended And Dissolved Solids Effects On Freshwater Biota: A Review, Darwin L. Sorensen, Margaret M. Mccarthy, E. Joe Middlebrooks, Donald B. Porcella
Reports
It is widely recognized that suspended and dissolved solids in lakes, rivers, streams, and reservoirs affect water quality. In this report the research needs appropriate to setting freshwater quality criteria or standards for suspeneded solids (not including bedload) and dissolveed solids are defined by determining the state of our knowledge from a critical review of the recent literature in this field. Common literature sources and computer searching routines were used as an initial source of information followed by detailed journal searches. Although some 185 journal articles, government reports, and other referecnes were cited herein (about 45 percent publicshed since 1974) …
Test 1236: Steiger Panther Iii St-325 Diesel 10-Speed, Also Steiger Panther Iv Cm-325 Diesel 20-Speed, Nebraska Tractor Test Lab
Test 1236: Steiger Panther Iii St-325 Diesel 10-Speed, Also Steiger Panther Iv Cm-325 Diesel 20-Speed, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …
Test 1242: Ford 7700 Diesel 16-Speed, Nebraska Tractor Test Lab
Test 1242: Ford 7700 Diesel 16-Speed, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …
A Model For Solid Waste Collection Costs, Bruce Anderson
A Model For Solid Waste Collection Costs, Bruce Anderson
Retrospective Theses and Dissertations
No abstract provided.
Vertical Drainage In Field Cores, Larry G. Wells, R. W. Skaggs
Vertical Drainage In Field Cores, Larry G. Wells, R. W. Skaggs
Biosystems and Agricultural Engineering Faculty Publications
No abstract provided.
Effect Of Compliant Wall Motion On Turbulent Boundary Layers, Dennis M. Bushness, Jerry N. Hefner, Robert L. Ash
Effect Of Compliant Wall Motion On Turbulent Boundary Layers, Dennis M. Bushness, Jerry N. Hefner, Robert L. Ash
Mechanical & Aerospace Engineering Faculty Publications
A critical analysis of available compliant wall data which indicated drag reduction under turbulent boundary layers is presented. Detailed structural dynamic calculations suggest that the surfaces responded in a resonant, rather than a compliant, manner. Alternate explanations are given for drag reductions observed in two classes of experiments: (1) flexible pipe flows and (2) water-backed membranes in air. Analysis indicates that the wall motion for the remaining data is typified by short wavelengths in agreement with the requirements of a possible compliant wall drag reduction mechanism recently suggested by Langley. Copyright © 1977 American Institute of Physics.
Optimizing Crop Production Through Control Of Water And Salinity Levels In The Soil, J. I. Stewart, R. M. Hagan, W. O. Pruitt, R. E. Danielson, W. T. Franklin, R. J. Hanks, J. P. Riley, E. B. Jackson
Optimizing Crop Production Through Control Of Water And Salinity Levels In The Soil, J. I. Stewart, R. M. Hagan, W. O. Pruitt, R. E. Danielson, W. T. Franklin, R. J. Hanks, J. P. Riley, E. B. Jackson
Reports
Sizable investments have been made and continue to be made throughout the world to develop irrigation potentials. Recent food shortages have heightened the concern for obtaining greater returns to irrigation through improved water management and use. A knowledge of how plant growth cycles relate to moisture and salinity levels in the root zone is prerequisite to developing practical ways of maintaining optimum conditions for maximum production per unit of water concerned. This research further defines the role of irrigation timing and salinity management on crop production, and proposes practical techniques for predicting the crop response to management measures. Some of …
Proceedings Of The Utah Water Pollution Control Association Annual Meeting 1977, James H. Reynolds, Donna H. Falkenborg
Proceedings Of The Utah Water Pollution Control Association Annual Meeting 1977, James H. Reynolds, Donna H. Falkenborg
Reports
Preface: This volume is the first published proceeding of the Utah Water Pollution Associations Annual Meeting. The Technical Program of the Annual Meeting was divided into five separate sessions. The program was developed to attract individuals concerned with management, design and operation of wastewater treatment facilities. Special emphsis was given to the design and operation of wastewater filtration devices. Unfortunately, four papers are not included in the proceedings because the authors failed to meet the submission deadline. These papers are (1) "Utah Discharge Requirements" by Calvin Sudweeks, (2) "Chlorine, Califorms, 1977 Standards and you" by Robert A. Sperling, (3) "Panel …
Water Flow Patterns In Heterogeneous Soils Under Trickle Irrigation, Abdolhossien Nassehzadeh-Tabrizi, Roland W. Jeppson, Lyman S. Willardson
Water Flow Patterns In Heterogeneous Soils Under Trickle Irrigation, Abdolhossien Nassehzadeh-Tabrizi, Roland W. Jeppson, Lyman S. Willardson
Reports
No abstract provided.
Growth And Uptake Dynamics Of Selenastrum Capricornutum Parameterized By Percent Nitrogen, Ronald F. Malone, Kenneth A. Voos, William J. Grenney
Growth And Uptake Dynamics Of Selenastrum Capricornutum Parameterized By Percent Nitrogen, Ronald F. Malone, Kenneth A. Voos, William J. Grenney
Reports
Batch cultures of
The Virgin River Basin Study: A Regional Approach To Multiobjective Planning For Water And Related Resources, John E. Keith, Jim Mulder, Trevor C. Hughes, V. A. Narasimhan, Lance Rovig, Karl Eriksen, Don D. Fowler, Lucinda Borchard, Kirk Kimball, Spence Ballard, K. S. Turna, Daniel H. Hoggan
The Virgin River Basin Study: A Regional Approach To Multiobjective Planning For Water And Related Resources, John E. Keith, Jim Mulder, Trevor C. Hughes, V. A. Narasimhan, Lance Rovig, Karl Eriksen, Don D. Fowler, Lucinda Borchard, Kirk Kimball, Spence Ballard, K. S. Turna, Daniel H. Hoggan
Reports
A joint research effort by the Utah Water Research Laboratory and the Nevado Center for Water Resources Research applied two multiobjective planning models to the Virgin River Basin in order to test the efficiency and practicality of applying such tools in water resrouces planning. The surrogate Worth Trade-off (SWT) method couples mathematical optimization to quantify trade offs among noncommensurable objectives with interviews to compare public preferences with respect to these trade offs. PROPDEMM uses information on interest group objectives, balues, willingness to pay, influence, lebel of information, etc. to compare the political feasibility of alternative courses of action. Both models …
A Model Of Environmental Transport Of Heavy Metals Originating From Stack Derived Particulate Emission In Semi-Arid Regions, J. J. Jurinak, William J. Grenney, Gene L. Wooldridge, J. Paul Riley, R. J. Wagenet
A Model Of Environmental Transport Of Heavy Metals Originating From Stack Derived Particulate Emission In Semi-Arid Regions, J. J. Jurinak, William J. Grenney, Gene L. Wooldridge, J. Paul Riley, R. J. Wagenet
Reports
Executive Summary:
Proposal To Technology Transfer Office Of Water Research And Technology U.S. Department Of Interior, C. Earl Israelsen, Frank W. Haws, Donna H. Falkenborg, L. Douglas James
Proposal To Technology Transfer Office Of Water Research And Technology U.S. Department Of Interior, C. Earl Israelsen, Frank W. Haws, Donna H. Falkenborg, L. Douglas James
Reports
Executive Summary:
Rural Domestic Water System Peak Flows And Design Innovations, Optimal Water Planning Series, Trevor C. Hughes, Yukio Kono, Ronald Canfield
Rural Domestic Water System Peak Flows And Design Innovations, Optimal Water Planning Series, Trevor C. Hughes, Yukio Kono, Ronald Canfield
Reports
Planning engineers commonly use generous factors of safety for peak flow estimates in urban water supply systems both as a hedge against unforeseen growth and because economies of scale result in relatively low user costs even with such reserve capacity. Transplanting of such design criteria into the rural setting, however, simply does not work. The low density portions of rural domestic systems require very realistic design criteria or the construction costs become infeasible for the small number of customers involved. Peak instantaneous flow rates in a Utah rural system were measured continuously during two summers on three dead-end lines serving …
Climatology Of Hailstorms In Utah--The Hail Suppression Potential By Cloud Seeding, Kenneth G. Hubbard
Climatology Of Hailstorms In Utah--The Hail Suppression Potential By Cloud Seeding, Kenneth G. Hubbard
Reports
Hail damage in Utah was examined for individual counties and the entire state. A survey of informal observes was taken and the resulting data base was analyzed. Data from NWS was also examined. County hail damage figures average 4 to 5 percent of production and ranking of counties according to dollar damage occurs in only 4 of the 29 counties (Box Elder, Utah, Millard, and Cache). In many cases the highest dollar damage occurred in the counties of greatest dollar damage should receive the greatest concentration of hail suppression effort. In addition storm severity and crop growth stage were identified …
Weather Modification Studies: The Potential For Creating And Utilizing Ice Crystals In Weather Modification Activities, Kenneth G. Hubbard
Weather Modification Studies: The Potential For Creating And Utilizing Ice Crystals In Weather Modification Activities, Kenneth G. Hubbard
Reports
A method utilizing ice crystals to circumvent nucleation processes in cloud seeding activities is discussed in the framework of nuclei activation concepts. Ice, in the form of small crystals, would be a highly efficient cloud seeding materia up to 0 degrees Celsius. The lower limit on humidity would necessitate dispensing the crystals into air that is saturated with respect to ice but no requirement for 100 percent RH(relative humidity) was found. In fact, the lower limit varies with temperature linearly from about 95 percent RH at -5 degrees Celsius to 75 percent RH at -30 degrees Celsius. Preparation of small …
State Financing Alternatives For Water Projects Required To Support Energy Development In The Western Energy Development Area, Daniel H. Hoggan, Kirk R. Kimball, Edward H. Allen, Jay M. Bagley, Richard L. Dewsnup, Herbert H. Fullerton
State Financing Alternatives For Water Projects Required To Support Energy Development In The Western Energy Development Area, Daniel H. Hoggan, Kirk R. Kimball, Edward H. Allen, Jay M. Bagley, Richard L. Dewsnup, Herbert H. Fullerton
Reports
No abstract provided.
A Study Of Feasibility Of State Water User Fees For Financing Water Development, Daniel H. Hoggan, O. W. Asplund, J. C. Anderson, D. G. Houston
A Study Of Feasibility Of State Water User Fees For Financing Water Development, Daniel H. Hoggan, O. W. Asplund, J. C. Anderson, D. G. Houston
Reports
Water user fees imposed by a state on major water uses is a possible new alternative source of state water development funds. A fee, similar to an excise tax, might be charged for the use of the water resource per se, which in a number of states is declared to be the property of the public of the state. States generally have not employed such fees as a source of operating funds for water agencies or of development capital. Only in the area of water based recreation-fishing, coating, camping, etc.—have states extensively employed user fees. The revenues from these fees, …
Evaluation Of Southern And Central Utah Cloud Seeding Program, Geoffrey E. Hill
Evaluation Of Southern And Central Utah Cloud Seeding Program, Geoffrey E. Hill
Reports
An evaluation of a winter operational-type cloud seeding project in Utah is made by developing meteorological predictors of target precipitation. Twenty-four hour precipitation amounts in seven unseeded years are matched with 12:00 GMT rawinsonde data to form predictor-predictand relationships. Application of the predictors to the first two years of the project indicates that the observed seeded precipitation is about what would be found in the absence of seeding.
Seedability Of Winter Orographic Storms In Utah, Geoffrey E. Hill
Seedability Of Winter Orographic Storms In Utah, Geoffrey E. Hill
Reports
The primary objective of this research has been to collect and analyze data from (randomized) seeded and unseeded winter storms over the Wasatch Mountains for the purpose of developing and designing cloud seeding technology. Two field programs were conducted sequentially; the first was done by airborne seeding and the second by seeding from mountaintop generators. Analysis of precipitation estimators based upon radar and/or rawinsonde data and target precipitation show that increased precipitation due to seeding may occur under certain meteorological conditions. Favorable conditions were found when the supercooled water concentration as measured by aircraft icing rates was high. Precipitation in …
Series Intermittent Sand Filtration Of Wastewater Lagoon Effluents, David W. Hill, J. H. Reynolds, D. S. Filip, E. J. Middlebrooks
Series Intermittent Sand Filtration Of Wastewater Lagoon Effluents, David W. Hill, J. H. Reynolds, D. S. Filip, E. J. Middlebrooks
Reports
Previous researches have found single stage intermittent sand filtration to be a feasible and economic means of upgrading wastewater lagoon effluent to meet future standards. However the major constraint on their use has been the length of the filter runs. Laboratory scale and pilot-scale series intermittent sand filtration of wastewater lagoon effluents has been found to substantially increase the length of filter runs as well as produce a high quality effluent able to meet future standards. Higher loading rates were round to be possible with series intermittent sand filtration. The operation consistently produced an effluent meeting present Utah “Class C” …
Runoff Estimates For Small Rural Watersheds And Development Of A Sound Design Method. Volume Ii, Recommendations For Preparing Design Manuals And Appendices B, C, D, E, F, G, & H, Joel E. Fletcher, A. Leon Huber, Frank W. Haws, Calvin G. Clyde
Runoff Estimates For Small Rural Watersheds And Development Of A Sound Design Method. Volume Ii, Recommendations For Preparing Design Manuals And Appendices B, C, D, E, F, G, & H, Joel E. Fletcher, A. Leon Huber, Frank W. Haws, Calvin G. Clyde
Reports
Frequency analyses of more than 1,000 small watersheds in the United States and Puerto Rico were used to develop the estimation method for design of peak flow for ungaged watersheds. This method, called the Federal highway Administration (FHWA) method, is conceptually similar to the Bureau of Public Roads (BRP) method developed by W. D. Potter. The FHWA method relates the runoff peak to easily determined hydrophysiographic parameters and is intended for use on watersheds smaller than 50 square miles. The concept of risk is incorporated inot the design procedure. The risk is the probability that one or more events will …
Runoff Estimates For Small Rural Watersheds And Development Of A Sound Design Method: Volume Iii. Appendix A, Joel E. Fletcher, A. Leon Huber, Frank W. Haws, Calvin G. Clyde
Runoff Estimates For Small Rural Watersheds And Development Of A Sound Design Method: Volume Iii. Appendix A, Joel E. Fletcher, A. Leon Huber, Frank W. Haws, Calvin G. Clyde
Reports
Foreword: This report is composed of thee volumes; Volume I is the Research Report; Volume II consists of recommendations for establishing design manuals and Appendices B, C, D, E, F, G, and H, which are the design aids required for establishing design manuals; Volume III consists of Appendix A, and accumulation of the data base used in the study, FHWA chose to arrange the report as described to facilitate distribution of the results. The methods reported herein are designated as the Federal Highway Administration Methods are designed to be applied to watersheds smaller than 50 square miles but may be …