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Articles 391 - 409 of 409
Full-Text Articles in Engineering
Stormwater Runoff From Shopping Centers, Thomas P. Donigan
Stormwater Runoff From Shopping Centers, Thomas P. Donigan
Retrospective Theses and Dissertations
This is a brief investigation of stormwater runoff from a large shopping center located in Brevard County, Florida. Merritt Square Shopping Center has a parking area for 4,700 automobiles and is located on the shore of Newfound Harbor which is classified as recreation waters (Class III). A literature survey of runoff studies in other areas has been made for both "state of the art" and evaluation of findings. Water samples were initially collected from five locations. Review of the analysis of these samples indicated that while color and turbidity appeared to decrease linearly with time, organic and inorganic concentrations did …
Computer Generated Holograms, Jeffrey James Gierloff
Computer Generated Holograms, Jeffrey James Gierloff
Retrospective Theses and Dissertations
Computer generated holograms have been made practical by the introduction of fast Fourier transform algorithms. The following discussion will brief the reader on the theory and concepts of optical holograms, the computer hologram, and the analogies of the computer hologram to its optical counterpart. Some of the programming aspects of the computer holograms are presented. The results of the generation of several computer holograms are presented, and conclusions drawn as to the effectiveness of this technique. Finally, some of the practical uses and advantages of the computer hologram are discussed.
Nitrogen Transformation In Secondary Wastewater Treatment Plants, Mark Lee Morris
Nitrogen Transformation In Secondary Wastewater Treatment Plants, Mark Lee Morris
Retrospective Theses and Dissertations
Nitrogen is an essential nutrient for plant and animal life; however, its presence in concentrations exceeding assimilative capacities of receiving water bodies is undesirable. Therefore, the form and concentration of total nitrogen released in wastewater effluents is of great concern. During the course of this study, the nitrogen analysis was performed on the various unit processes of the Florida Technological University wastewater treatment plant. The average percent removal of nitrogen between plant influent and clarifier effluent was 30.5% during the month of August 1975. It is believed that the nitrogen removal is attributed to luxury uptake by the biomass through …
Lake County, Florida Solid Waste Management Plan, Lawrence J. Morey
Lake County, Florida Solid Waste Management Plan, Lawrence J. Morey
Retrospective Theses and Dissertations
The history of solid waste management in Lake County, Florida is reviewed. The role of governmental agencies is mentioned. Local environmental characteristics and transportation systems are discussed. Existing collection and disposal practices are presented. A land use analysis of the unincorporated areas of the County is given. Projections of population and solid waste quantities are listed. Two computer models are presented. Their optimum solutions are analyzed in detail. The cost associated with implementing either plan is presented. A recommended plan is given based on a combination of transfer stations and sanitary landfills.
Mixing Effects On Shallow Water Bodies, Kim Robin Powell
Mixing Effects On Shallow Water Bodies, Kim Robin Powell
Retrospective Theses and Dissertations
This report is intended to examine the ecological changes due to mixing in shallow water bodies. Physical, chemical, and biological changes are reported in literature. A literature search revealed the range of mixing nodes or processes. Assessment of ecological changes due to mixing by boating activities had been evaluated in a research project supported by the environmental Protection Agency and conducted at Florida Technological University. The examination of changes due to mechanical mixing on lake ecology simulated in fifty-five gallon drums indicated the sensitivity of such parameters as total Kjeldahl nitrogen, conductivity, pH, temperature, and dissolved oxygen. Problems of reproducibility …
High-Speed Bipolar Microprocessor Usage For Extracting A Constant Frequency Signal From A Pulse Stream, Lenard Jay Persin
High-Speed Bipolar Microprocessor Usage For Extracting A Constant Frequency Signal From A Pulse Stream, Lenard Jay Persin
Retrospective Theses and Dissertations
This report presents an initial design effort for a high-speed, constant Frequency data extractor, which can be used to identify and track a particular constant frequency signal in the presence of other signals. Several factors must be included in the design considerations. The detection and acquisition of the correct signal should be accomplished at high speed to remain as close as possible to real time. Once detection has occurred, the system should generate a track-predict gate signal that enables the input line only when the real input pulse is expected. If track is lost, which happens whenever the track-predict gate …
Feasibility Study Of The Utilization Of Solar Energy For Large Scale Power Production In The State Of Florida, Michael Propen
Feasibility Study Of The Utilization Of Solar Energy For Large Scale Power Production In The State Of Florida, Michael Propen
Retrospective Theses and Dissertations
The objective of this paper is to investigate the feasibility of large scale electric power generation in the state of Florida by means of solar conversion. Such systems convert solar radiation directly to electricity or to thermal energy and subsequently to electricity. With the latter method, solar energy is initially collected and converted to heat at high temperature through a working fluid. The heat is then used to power conventional heat engine generator systems. Several methods have been proposed for converting sunlight to useful work. The most promising of these will be examined from a technological and economic viewpoint.
Error Rates In Narrow-Band Digital Fm Systems Operating In Various Interference Environments, Arthur M. Rodriguez
Error Rates In Narrow-Band Digital Fm Systems Operating In Various Interference Environments, Arthur M. Rodriguez
Retrospective Theses and Dissertations
No abstract provided.
Analysis Of Unstable-Resonator And Optical-Train Laser Alignment Systems By The Use Of Matrix Methods Of Gaussian Optics, Frederick H. White
Analysis Of Unstable-Resonator And Optical-Train Laser Alignment Systems By The Use Of Matrix Methods Of Gaussian Optics, Frederick H. White
Retrospective Theses and Dissertations
A high-power gas dynamic-laser example system is described, and its optical elements are represented in the ABCD-matrix formalism of Gaussian optics. Propagation of Gaussian beams, image formation, focusing, and steering by transverse refractive-index gradients are modeled with the ABCD matrix technique. The effects of small translations and rotations of optical elements are represented as matrices and vectors in the ABCD-matrix formalism, and are analyzed as component misalignments with single and multiple beam reflections. Example calculations show that alignment beams making multiple round trips inside an unstable resonator can easily provide satisfactory resonator alignment and designation of the aim point of …
Highway Bridge Vibration Studies : Interim Report, Trakool Aramraks
Highway Bridge Vibration Studies : Interim Report, Trakool Aramraks
JTRP Technical Reports
No abstract provided.
Governmental Reorganization And Metropolitics: Determinants Central To A Normative Theory Of Metropolitan Planning, Woodrow L. Moore
Governmental Reorganization And Metropolitics: Determinants Central To A Normative Theory Of Metropolitan Planning, Woodrow L. Moore
JTRP Technical Reports
No abstract provided.
Pond Water Quality In A Claypan Soil, Elbert C. Dickey, J. K. Mitchell
Pond Water Quality In A Claypan Soil, Elbert C. Dickey, J. K. Mitchell
Biological Systems Engineering: Papers and Publications
In many areas of the Midwestern United States, a safe and plentiful supply of groundwater is a primary concern. Groundwater is sporadic, unreliable, shallow, and often polluted, even though these same areas often have an annual rainfall in excess of 1 m.
The pollution problems associated with these groundwater supplies are both chemical and bacterial. Older wells are often the most dangerous. Linings made of open brick near the surface, cracked casings and covers, and nearby privy, septic tank, and barnyard sites accentuate the problems in shallow groundwater aquifers. High levels of nitrates frequently present in the shallow domestic well …
Poly(Alkyl Alpha-Chloroacrylates). Iv. Tacticity Analysis From 300 Mhz Proton Magnetic Resonance Spectra.Pdf, William Macknight, G. R. Dever, F. E. Karasz, R. W. Lenz
Poly(Alkyl Alpha-Chloroacrylates). Iv. Tacticity Analysis From 300 Mhz Proton Magnetic Resonance Spectra.Pdf, William Macknight, G. R. Dever, F. E. Karasz, R. W. Lenz
William MacKnight
Relaxations In Cyano-Substitued Polypentenamers And Their Hydrogenated Derivatives, William Macknight, R. Neumann, K. Sanui
Relaxations In Cyano-Substitued Polypentenamers And Their Hydrogenated Derivatives, William Macknight, R. Neumann, K. Sanui
William MacKnight
Structure And Properties Of The System: Poly(2, 6-Dimethyl-Phenylene Oxide) Isotactic Polystyrene. Wide-Angle X-Ray Studies, William Macknight, R. Hammel, F. E. Karasz
Structure And Properties Of The System: Poly(2, 6-Dimethyl-Phenylene Oxide) Isotactic Polystyrene. Wide-Angle X-Ray Studies, William Macknight, R. Hammel, F. E. Karasz
William MacKnight
No abstract provided.
Preparation Of Brominated Polypentenamer And Its Substituted Nitrile Derivative, William Macknight, F. E. Karasz, J. R. Fried
Preparation Of Brominated Polypentenamer And Its Substituted Nitrile Derivative, William Macknight, F. E. Karasz, J. R. Fried
William MacKnight
No abstract provided.
Poly(Alkyl Alpha-Chloroacrylates). Vi. Transitions And Relaxations.Pdf, William Macknight, G. R. Dever, F. E. Karasz, R. W. Lenz
Poly(Alkyl Alpha-Chloroacrylates). Vi. Transitions And Relaxations.Pdf, William Macknight, G. R. Dever, F. E. Karasz, R. W. Lenz
William MacKnight
Structure And Properties Of The System: Poly(2, 6-Dimethyl-Phenylene Oxide) Isotactic Polystyrene. Small-Angle X-Ray Studies, William Macknight, W. Wenig, F. E. Karasz
Structure And Properties Of The System: Poly(2, 6-Dimethyl-Phenylene Oxide) Isotactic Polystyrene. Small-Angle X-Ray Studies, William Macknight, W. Wenig, F. E. Karasz
William MacKnight
No abstract provided.
Poly(Alkyl Alpha-Chloroacrylates). V. Preparation And Properties Of Methyl, Ethyl, And Isopropyl Polymers Of Varied Tacticity, William Macknight, G. R. Dever, F. E. Karasz, R. W. Lenz
Poly(Alkyl Alpha-Chloroacrylates). V. Preparation And Properties Of Methyl, Ethyl, And Isopropyl Polymers Of Varied Tacticity, William Macknight, G. R. Dever, F. E. Karasz, R. W. Lenz
William MacKnight
No abstract provided.