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Articles 1 - 30 of 48
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A Study Of Lymphocyte Subpopulations In Allergic And Asthmatic Patients, Cleora W. Barnwell
A Study Of Lymphocyte Subpopulations In Allergic And Asthmatic Patients, Cleora W. Barnwell
Retrospective Theses and Dissertations
The role of T and B lymphocytes in the human immune response has been studied in allergic and asthmatic patients by many investigators. Theories of suppressed cellular immunity have been reported showing decreased levels of T cells in peripheral blood. Elevated levels of IgE, an antibody, have been reported in these conditions, but not shown to be significant in distinguishing the different types of asthma. A double blind study of 19 allergic and 42 asthmatic individuals was conducted measuring T and B cell levels and IgE levels. The asthmatic group was subdivided into three types, intrinsic, extrinsic and mixed. The …
An Analysis Of The Effect Of Vibration Sensitivity On Hydrophone Design, George Dickson Hugus
An Analysis Of The Effect Of Vibration Sensitivity On Hydrophone Design, George Dickson Hugus
Retrospective Theses and Dissertations
Hydrophones used in the ocean produce spurious outputs due to vibration sensitivity which can severely degrade measurement accuracy. Sources of these vibration inputs are ocean surface waves, flow turbulence, and induced mechanical vibration. The hydrophone response to these vibrations is a noise voltage output. This can leave to a signal-to-noise problem particularly when measurements of small sound pressure levels are to be made. The objective of this thesis is to analyze the vibration response of three typical piezoelectric hydrophone sensor elements configurations and give design methods and constraints for reducing the problem of vibration sensitivity to an acceptable level. The …
An Experimental Study Of The Effects Of Voice Therapy Vs. Physicians Advice On The Frequency And Severity Of Vocal Nodule Recurrence, Julie M. Medland
An Experimental Study Of The Effects Of Voice Therapy Vs. Physicians Advice On The Frequency And Severity Of Vocal Nodule Recurrence, Julie M. Medland
Retrospective Theses and Dissertations
No abstract provided.
Phosphorus Content And Release From Lake Sediments By Agitation, Hsien Ping Tang
Phosphorus Content And Release From Lake Sediments By Agitation, Hsien Ping Tang
Retrospective Theses and Dissertations
Man-made mixing in shallow lakes will resuspend bottom sediments and increase phosphorus concentration in the water body. The increase in phosphorus content may affect the lake productivity. During the course of this study, a better understanding of the water-sediment-phosphorus relationships of some shallow lakes in Central Florida was attempted. Column studies and batch experiments were used to investigate the effect of mechanical mixing on the release of phosphorus from bottom sediments collected from Lake Claire and Jessup. The particle size distribution and density distribution of the bottom sediments were studied and the release of phosphorus from each fraction was measured. …
Speech Synthesis Utilizing Microcomputer Control, Joseph N. Uzel
Speech Synthesis Utilizing Microcomputer Control, Joseph N. Uzel
Retrospective Theses and Dissertations
This report explores the subject of speech synthesis. Information given includes a brief explanation of speech production in man, an historical view of speech synthesis, and four types of electronic synthesizers in use today. Also included is a brief presentation on phonetics, the study of speech sounds. An understanding of this subject is necessary to see how a synthesizer must produce certain sounds, and how these sounds are put together to create words. Finally a description of a limited text speech synthesizer is presented. This system allows the user to enter English text via a keyboard and have it output …
Emotional Disturbances And Mental Retardation, Jeannie Willard Ervin
Emotional Disturbances And Mental Retardation, Jeannie Willard Ervin
Retrospective Theses and Dissertations
No abstract provided.
A Comparative Study Of Growth And Survival In Nestling Mockingbirds And Brown Thrashers, Bette J. Schardien
A Comparative Study Of Growth And Survival In Nestling Mockingbirds And Brown Thrashers, Bette J. Schardien
Retrospective Theses and Dissertations
No abstract provided.
The Design And Analysis Of A Unique Broadband Underwater Acoustic Source, Allan Mark Young
The Design And Analysis Of A Unique Broadband Underwater Acoustic Source, Allan Mark Young
Retrospective Theses and Dissertations
Requirements exist for a unique type of underwater acoustic source. The transducer is in the form of a linear array of discrete elements and is required to have a constants transmitting voltage response and carefully controlled directivity characteristics over a two octave bandwidth. A generalized model of a linear array of cylindrical piezoelectric ceramic acoustic radiators is developed and applied to the design of a prototype which operates over approximately one half of the required bandwidth. The prototype transducer was built and the measured results are compared with those predicted by the model. Recommendations are made for improving the performance …
The Evaluation Of A Behaviorally Based Supervisory Training Program In An Industrial Setting, Elizabeth B. Deeb
The Evaluation Of A Behaviorally Based Supervisory Training Program In An Industrial Setting, Elizabeth B. Deeb
Retrospective Theses and Dissertations
No abstract provided.
A Case Study Of A Solar Augmented Heating System Versus A Solar Assisted Heat Pump, Louis P. Braleski
A Case Study Of A Solar Augmented Heating System Versus A Solar Assisted Heat Pump, Louis P. Braleski
Retrospective Theses and Dissertations
The usage and applications of solar energy are numerous; however, it's still in its infancy. The subject matter discusses two applications of solar energy, a "Solar Augmented Heated System" and a "Solar Assisted Heat Pump." The solar augmented system and the solar assisted system have the same components; however, the way they are used is of primary concern. A solar system in parallel with a heat pump is called "Solar Augmented Heating System" or in series with a heat pump is a "Solar Assisted Heat Pump." A 2000 ft2 house was utilized as the basis of the design. The heating …
A Computer Model For Comparison Of Flat Plate And Focusing Collectors For Solar Air Conditioning, H. B. Bucher
A Computer Model For Comparison Of Flat Plate And Focusing Collectors For Solar Air Conditioning, H. B. Bucher
Retrospective Theses and Dissertations
Two types of solar collecting systems are frequently employed--flat plate collectors with spectrally selective windows which trap sunlight with the "greenhouse effect" and focusing systems with curved mirrors which concentrate the sun's rays on an absorbing surface. The flat plate collector is the simpler of the two designs, but cannot readily provide temperatures as high as the focusing collector. Both of the collectors are candidates for absorption cycle solar air conditioning systems. This role dictates higher temperature than are normally required of solar collectors, particularly the flat plate design. Focusing systems of interest here are those which are fixed in …
The Effects Of Progressive Relaxation Training And Biofeedback-Assisted Relaxation Training On Control Of Stress Arousal, Barbara S. Lindley
The Effects Of Progressive Relaxation Training And Biofeedback-Assisted Relaxation Training On Control Of Stress Arousal, Barbara S. Lindley
Retrospective Theses and Dissertations
No abstract provided.
An Empirical Examination Of The Impact Of Holding Company Affiliation On The Capitalization Of Florida Banks: A Cross-Sectional, Multivariate Analysis, Robert W. Riley
An Empirical Examination Of The Impact Of Holding Company Affiliation On The Capitalization Of Florida Banks: A Cross-Sectional, Multivariate Analysis, Robert W. Riley
Retrospective Theses and Dissertations
No abstract provided.
Self-Esteem And Adolescence, William A. Robertson
Self-Esteem And Adolescence, William A. Robertson
Retrospective Theses and Dissertations
No abstract provided.
Resistance To Persuasion: The Effects Of Varying Belief Level; Double Defense Order; And Time In An Inoculation Paradigm, Larry R. Vinson
Resistance To Persuasion: The Effects Of Varying Belief Level; Double Defense Order; And Time In An Inoculation Paradigm, Larry R. Vinson
Retrospective Theses and Dissertations
No abstract provided.
An Investigation Into A Least Squares Method For Image Registration, Ernest William Cordon
An Investigation Into A Least Squares Method For Image Registration, Ernest William Cordon
Retrospective Theses and Dissertations
One of the problems associated with the automatic image processing of satellite photographs such as weather maps is the need for image registration; that is, the fitting of a map that has some translational and rotational bias to a known data base. This paper investigates a least square method of image registration using an image that has been converted into a boundary map with a pixel representation 1 for land, -1 for water and zero for cloud pixels. A sampled correlation array is constructed by shifting the weather map to locations on a given grid, centered around a sampled correlation …
Affinity Of Roadside Soils For Lead, Zinc, And Chromium, John H. Bell
Affinity Of Roadside Soils For Lead, Zinc, And Chromium, John H. Bell
Retrospective Theses and Dissertations
Highways are known to be a source of several toxic pollutants including the heavy metals lead, zinc and chromium. The need to manage highway runoff in a manner which reduces or eliminates the loading of heavy metals to receiving waters is evident, but more research has been required to develop cost-effective ways of meeting this need. Recent studies have indicated that the soil is a significant "sink" for heavy metals, allowing speculation that management practices which make use of the soil to retain metals from highway runoff should be employed. The purpose of this study is to evaluate the ability …
Sensitivity Analysis Of Stormwater Runoff Using The "Bmp" And "Nonpt" Computer Programs, George D. Flatt
Sensitivity Analysis Of Stormwater Runoff Using The "Bmp" And "Nonpt" Computer Programs, George D. Flatt
Retrospective Theses and Dissertations
No abstract provided.
Extroversion-Introversion And Neuroticism-Stability As Personality Correlates Of Rumor Transmission, Larna A. Brown
Extroversion-Introversion And Neuroticism-Stability As Personality Correlates Of Rumor Transmission, Larna A. Brown
Retrospective Theses and Dissertations
No abstract provided.
Differential Clotting Responses Of Rabbits To Injections Of Homogenates From Wild-Type And Tumorous-Head Drosophila Melanogaster, Alfred B. Cox
Differential Clotting Responses Of Rabbits To Injections Of Homogenates From Wild-Type And Tumorous-Head Drosophila Melanogaster, Alfred B. Cox
Retrospective Theses and Dissertations
Two groups of New Zealand white rabbits were injected with homogenates from Tumorous-head (Tuh) and Wild-type (WT) Drosophila melanogaster. A third group was used as a saline injected control. Blood collected in both acute and chronic studies was subjected to various hematological and post mortem studies. The Tuh injected group showed a five-fold increase in thrombocytes (blood platelets) over the controls and four-fold increase over the wild-type group. Reduced clotting times were noted from acute to chronic studies in both tumorous and wild-type studies; however, the magnitude of change between the two groups was insignificant. Investigations involving electrophoretic banding patterns, …
Reduction Of Lunchroom Noise And Other Behaviors Using Feedback And Group Contingent Reinforcement, Lottie Nell Larowe
Reduction Of Lunchroom Noise And Other Behaviors Using Feedback And Group Contingent Reinforcement, Lottie Nell Larowe
Retrospective Theses and Dissertations
Reduction of noise levels in an elementary school lunchroom was examined as a function of feedback and feedback plus reinforcement using group contingency procedures. Feedback consisted of signals from a traffic light with green indicating acceptable levels, yellow indicating slightly higher levels and red indicating unacceptable levels. Other behaviors, running, hitting, pushing and kicking, were measured incidentally. Results indicate that feedback plus reinforcement was effective in reducing noise levels. Feedback alone was also effective, but to a lesser degree. No response - response relationship was found to exist between noise level and the other behaviors.
The Design And Development Of A Power Hybrid, Robert J. Albert
The Design And Development Of A Power Hybrid, Robert J. Albert
Retrospective Theses and Dissertations
This report discusses the design, development and the fabrication of a power hybrid. Foldback current limiting which is self reseting is used whereby withstanding indefinitely a short circuit. Thermal design considerations and thermal analysis are described as well as stability analysis. The maximum current capability of this design is four amperes and forty watts can be dissipated in the power transistors over a wide range of temperatures.
Digital Computer Analysis Of The Kinetic Response Of A Thermal Pressurized Water Reactor Power Plant, John F. Alburger
Digital Computer Analysis Of The Kinetic Response Of A Thermal Pressurized Water Reactor Power Plant, John F. Alburger
Retrospective Theses and Dissertations
A digital computer model has been developed to simulate the kinetic response of a thermal pressurized water reactor power plant. The program is capable of predicting core power and plant temperature variations which result from disturbances due to routine demand changes, control rod movement, and fission product poison transients as well as from transients during plausible accident situations. The development of the differential equations describing the influence of various primary plant components on the dynamics of the reactor have been heretofore documented in the literature. Finite difference equations facilitating the employment of a digital computer solution are fully derived. Confidence …
Parent Education: Its Impact On Parental Well-Being, Jean M. Anderson
Parent Education: Its Impact On Parental Well-Being, Jean M. Anderson
Retrospective Theses and Dissertations
The study understood to determine the effect parent training program have on parental mental well-being and whether the reason parents enter training affects their initial level of mental well-being or the outcome of the training. A review of the research literature reveals that parents are the appropriate subjects to train to change children's behavior and personalities. The literature does not support the theory that parents cause children's behavior and personalities, but we can conclude that parents are a definite, important influence in these areas. In the process of learning to impact their children, the parents participating in parent education programs …
A Correlation Study On The Chronic Obstructive Pulmonary Diseases, Lynn Walter Capraun
A Correlation Study On The Chronic Obstructive Pulmonary Diseases, Lynn Walter Capraun
Retrospective Theses and Dissertations
Data were extracted from medical records of 202 former patients of a well established central Florida general hospital. Records were selected so as to include an equal number of disease categories dispersed equally over the two years. One hundred records were dated 1973 and 102 were dated 1976. Emphysema, chronic bronchitis, and asthma had been diagnosed in 67, 67, and 68 of the cases respectively. The age, sex, race, smoking habits, and occupations of the patients were recorded and crosstabulated with the diagnostic tests and subsequent treatment ordered by the various physicians. Most of the emphysematous patients were males over …
A Simple Multicoupled Band-Pass Active Filter Design Employs Resistor Summing To Provide Multicoupling, Talal K. Chatila
A Simple Multicoupled Band-Pass Active Filter Design Employs Resistor Summing To Provide Multicoupling, Talal K. Chatila
Retrospective Theses and Dissertations
The purpose of this paper is to present a new design configuration for multicoupled band-pass filter based on Mason's loop rule, together with the negative feedback topology and to compare it with Leap Frog (LF) and Follow the Leader Feedback (FLF) design examples.
Zooplankton Abundance And Diversity In Central Florida Grass Carp Ponds, Douglas Lee Fry
Zooplankton Abundance And Diversity In Central Florida Grass Carp Ponds, Douglas Lee Fry
Retrospective Theses and Dissertations
The effect of the Asian grass carp (Ctenopharyngodon idella Val.) and aquatic vegetation upon the zooplankton in four adjacent experimental ponds (0.139 ha each) was studied for one year. Zooplankton were collected with a newly designed shallow-water sampler. Pond 1 contained no aquatic vegetation. Ponds 2, 3, and 4 contained nine species of rooted aquatic plants. Grass carp were stocked into Pond 2 (65 per ha) and Pond 3 (611 per ha). Physicochemical parameters were similar among the ponds. Eighty-eight zooplankton species were enumerated. The abundance of zooplankton groups (Rotifera, Cladocera, and Copepoda) was not significantly different among the ponds …
Synthesis And Flame Retardant Studies Of Bromoester Of 2,4-Pentadienoic Acid, Hessam Ghane
Synthesis And Flame Retardant Studies Of Bromoester Of 2,4-Pentadienoic Acid, Hessam Ghane
Retrospective Theses and Dissertations
The synthesis and fire retardancy of several bromoesters of 2,4-pentadienoic acid were investigated. The synthesis of 2,4-pentadienoic acid was accomplished by liquid phase reaction of acrolein and malonic acid in the presence of pyridine. The conversion of the acid to bromoesters was performed by two different procedures. In the first procedure, the corresponding acid chloride was prepared from the acid via reaction with SOCl2 in the presence of powdered (3A°) molecular sieves. The molecular sieves serve as an internal trap for by-product HC1 and inhibit the competing polymerization reaction of the acid chloride. Reaction of the acid chloride with various …
A Longitudinal Study Of The Effects Of Three Specific Communication Techniques In Vocal Rehabilitation, Minnie S. Graham
A Longitudinal Study Of The Effects Of Three Specific Communication Techniques In Vocal Rehabilitation, Minnie S. Graham
Retrospective Theses and Dissertations
No abstract provided.
The Effects Of Persuasive Communication By An Aggressive And Biased Juror In A Simulated Jury Task, Irving Bernard Goodwin
The Effects Of Persuasive Communication By An Aggressive And Biased Juror In A Simulated Jury Task, Irving Bernard Goodwin
Retrospective Theses and Dissertations
No abstract provided.