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Interaction Between Triiodothyronine (T₃) And Thyroxine (T₄) In The Chick And The Rat, Kurtis George Cornish

Theses and Dissertations

The secretion of two hormones with identical function by the thyroid gland has been questioned, What is the relationship between these two hormones? Why does the thyroid secrete two hormones when either one can provide for all the activity of the thyroid (Greer, 1972). Little work has been done on the relationship between the two hormones. There is some evidence showing that thyroxine (T4) is deiodinated to triiouothyronine (T3) at the tissue level in mammals. Chambers (1970) found that there was a negative interaction between T4 and T3 when pharmacologic doses were administered to the rat. The present study was …

A Comparison Of The Performance Of High School Bookkeeping/Accounting Students Taught In A Structured Classroom And Those Taught By An Individualized Study Method, Alvin L. Kelling

Theses and Dissertations

No abstract provided.

Behavioral Objectives For Selected Units In Ninth Grade General Business Class, Margie A. Kelling

Theses and Dissertations

No abstract provided.

The Relationship Of Selected Personal And Curricular Variables To Achievement In Cobol, Robert N. Sando

Theses and Dissertations

Statement of the Problem

The problem of this study was to determine the relationship of secondary school, personal, and collegiate factors to student achievement in COBOL computer programming.

Purpose of the Study

The primary purpose of this study was to identify those personal and curricular characteristics of students which could be used to predict performance in COBOL programming classes. A prediction equation was developed which could be used to predict performance in COBOL.

A secondary purpose of this study was to determine if there is a relationship b e tween certain student characteristics and the high dropout rate of students …

In Support Of The Entity Theory, Francis O'Keefe

Theses and Dissertations

No abstract provided.

The Role Of An Internal Audit In Credit Union Financial Decision Making, John M. Howland

Theses and Dissertations

The purpose of this paper is to show how an internal audit can be used in credit union financial decision making.

The paper analyzes in depth the kinds of data obtainable from an internal audit and the kinds of data required for credit union financial decision making. By utilizing a comparative analysis of the compatability of the two types of data, the paper shows how the data obtainable from an internal audit can be applied to credit union financial decision making.

A Survey Of Business Education Graduates Of W. H. Lanier High School, Jackson, Mississippi -- 1969-1971, Estella R. Hughes

Theses and Dissertations

No abstract provided.

Speciation In The Genus Sceloporus Sceloporus (Sauria, Iguanidae) As Determined By Cranial Osteology And Other Characters, Kenneth Rex Larsen

Theses and Dissertations

Numerical statistical methods were used to analyse the species in the genus Sceloporus using cranial osteology, external meristic and numeric characters, karyology, display behavior and geographic distribution. A new phylogeny for the genus is proposed with three main branches or Groups: Group I, a primitive group, evolved from Uta, Urosaurus and Sator in Miocene times. This Group speciated from gadoviae in the south to merriami in the north and contains 7 species in 3 species groups. Group II arose from Group I and evolved from centrally located pictus in all directions throughout Mexico. It contains approximately 19 species in 5 …

An Investigation Of The Length Of Observation Necessary To Obtain A Representative Sample Of Clinician-Client Interaction, Beverly A. Laird

Theses and Dissertations

The purpose of this study was to determine the length of time necessary to obtain a representative sample of clinician-client interaction during a therapy session when using the Analysis of Behaviors of Clinicians (ABC) System to record clinical behavior. Subjects used were ten children receiving articulation and/or language therapy and their student clinicians. All clients were seen on an individual basis. A total of ten fifteen-minute clinician-client sessions were studied. It was concluded that a three-minute period was sufficient to obtain a representative sample of clinician-client interaction during an articulation and/or language therapy session involving student clinicians and children.

The Recording Of Fixed Assets At Other Than Cost, Timothy M. Nelson

Theses and Dissertations

No abstract provided.

The Food Habits And Age And Growth Of Goldeye, Hiodon Alosoides (Rafinesque), In Beaver Creek, Lake Oahe, North Dakota, 1971-72, Paul T. Schadewald

Theses and Dissertations

Goldeye from Lake Oahe were studied during 1971-72 to determine their food habits and age and growth. Stomachs were collected from 833 goldeye during twelve 24-hour periods, Contents were analyzed to determine bihourly and spring and summer food habits, Cladocera, principally Daphnia sp.t comprised 75% of the average stomach volume, Frequency of occurrence was 98.4% for Cladocera and 87.2% for Insecta. Young-of-the-year goldeye fed entirely on microcrustaceans. The diet of older age classes was predominantly microcrustaceans, but always included insects. Feeding occurred during all hours of the day, but increased significantly at night. Goldeye were concentrated in surface waters when …

A Study Of The Value Of Mechanical Aids In The Teaching/Learning Of Swimming With Advanced Swimmers, John R. Cawsey

Theses and Dissertations

Problem: This study was concerned with effectiveness of a commercially produced hand-paddle as a teaching/learning aid for learning the arm action of the front crawl swimming stroke.

Procedure: The population was restricted to two classes from the general program at the Advanced Swimmer Level of the Health, Physical Education and Recreation Department of the University of North Dakota. The two samples were randomly divided into experimental and traditional groups. Data were collected by means of a subjective rating instrument designed by the researcher. Students were rated on a pre-test and post-test after eight hours of instruction.

Statistically, the data were …

The Meaning Of Death For Heinrich Von Kleist, Leah Manning Stetzner

Theses and Dissertations

Death was, a major concern for Heinrich von Kleist (1777-1811) I in his literary works and in his life. This thesis traces that concern through his letters, anecdotes, dramas, and Novelle. The works are discussed and, in most cases, analyzed separately on the basis of death's role in them as a motivating, complicati.ng, and resolving factor, in order to better understand the meaning of death for Kledst's characters and for Kleist himself. The discussions include pertinent comment from selected critics, to compare and contrast 9ther interpretations of these deaths. An initial review of Kleist's life and a concluding section on …

A Study To Determine The Needs For Offering Courses In Building Trades In The Grand Forks School District, Anthony G. Eckroth

Theses and Dissertations

This study was undertaken for the purpose of determining the needs for offering a building trades course in the Grand Forks senior high schools, Grand Forks, North Dakota. The following information was ascertained to determine the feasibility for such a program: (1) the employment opportunities in the building trades field--both locally and nationally, (2) the student interest in such courses, (3) the support given by local building trades firms for such a program (4) the building trades skills that should be stressed, (5) the sources p:r;esently used by local building trades employers for obtaining skilled laborers, and (6) to state …

The Effect Of Handedness On Typewriting Performance, M. Latif Javed

Theses and Dissertations

No abstract provided.

Psychogenic Factors In Menstrual Symptomology, Glen Gruba

Theses and Dissertations

In this study correlations were obtained between personality characteristics and menstrual manifestations in order to test the following psychogenic hypotheses regarding the etiology of menstrual symptomatology: (1) dependence, as a personality characteristic, is basic to the elaboration of moderate or severe menstrual symptoms, (2) a psychosomatic process, involving psychic control over somatic functions, underlies certain forms of menstrual symptomatology, and (3) menstrual symptoms, particularly as they are more pronounced, represent exacerbations of prevailing personality patterns.

The Minnesota Multiphasic Personality Inventory (MMPI) and the Menstrual Distress Questionnaire (MDQ, which contains eight menstrual symptom scales) were administered to 60 female university students …

An Investigation Of Perceived And Actual Attitude Agreement, Stimulation Value And Total Friendship, Robert J. Bateen

Theses and Dissertations

The investigation was designed to explore the relationship between attitude dissimilarity and strength of friendship. It was hypothesized that those who perceived their acquaintance as being high in Stimulation Value (SV) would perceive their acquaintance as more dissimilar from themselves than those perceiving their acquaintance as low in Stimulation Value. Since it was felt that SV is part of Total Friendship, it was predicted that those who had estimated that a strong friendship existed between themselves and their acquaintance would perceive their acquaintance as being less attitudinally similar to- themselves than the pairs who scored low on Total Friendship.

Eighteen …

The Effects Of Penicillin Upon The Fission Rate Of Dugesia Dorotocephala., John J. Fahsbender

Theses and Dissertations

Planaria (class Turbellaria) are the highest life forms which exhibit fission (Hyman, 1951). The laboratory planarian, Dugesia, lives in lakes, ponds, streams and springs, where it occupies bottom habitats. Fissioning is an asexual mode of reproduction. The fission plane is usually transverse, forming behind the pharynx, and separation appears to be dependent upon locomotion (Curtis, 1902). The posterior half of the worm adheres to the substratum while the anterior half continues to move forward until the worm snaps in two. Each half then regenerates the missing parts, forming two new smaller worms.

Development Of Standard Procedures For Determination Of [Delta]G° (K), [Delta]H° And [Delta]S° Values Via Potentiometric And Calorimetric Titration Techniques, Jack Hugh Ruckman

Theses and Dissertations

Standard computer techniques were developed for computation of ΔG° values from potentiometric titration data and ΔH° values from calorimetric titration data. The procedures developed can be used for any systems having the general equations HA = W^+ + A^- ; H_2A = 2H^+ + A^2- ; and H_3A = 3H^+ + A^3-, where the proton ionizations may be consecutive or simultaneous. The thermodynamic values ΔG°(K), ΔH° and ΔS° were determined for the ionization of protons from the protonated compounds methionine (-NH_3^+ group only), phosphoethanalomine and phosphoserine. The compounds studied were selected because they contain one, two and three ionizable protons …

The Determination Of Thiamin And Its Derivatives In Brain Tissue Of Control, Thiamin-Deficient, Oxythiamin- And Pyrithiamin-Treated Rats, David S. Murdock

Theses and Dissertations

The determination of total thiamin, free thiamin, thiamin di phosphate (TDP) plus thiamin triphosphate (TTP), and total α- hydroxyethylthiamin (HET) levels in rat brain in control, deficient, oxythiamin- (OTH) and pyrithiamin- (PTH) treated rats was accomplished. It was found that the TDP + TTP/thiamin ratio observed in the thiamin-deficient, OTH- and PTH-treated rats was constant and did not differ from the ratio observed in the control rat brains. The brain levels of TDP + TTP decreased to 39% and 12% of the control thiamin levels in deficient and PTH-treated rats respectively. The brain HET and TDP + TTP levels of …

Distribution And Relationships Of Utah Brome Grasses In Western North America, Jerry B. Anderson

Theses and Dissertations

A considerable amount of study material has beccme available since the revision of the genus in 1900 by Shear, and the revision of the section Bromopsis in 1952 by Wagnon. A number of cytological studies have been done in recent years; and Wagnon's work pointed out the need for a comprehensive study of the entire genus. This study is a taxonomic revision of the Genus Bromus for the State of Utah, and contains illustrations and descriptions of the species; synonomy; distribution maps; and discussions of many of the important aspects of the economics, ecology, and historical treatment. I have recognized …

The Purification And Characterization Of Cytochrome B₅ From Porcine Kidney, M. Dean Klingler

Theses and Dissertations

A soluble form of cytochrome b_5, with a 413/280 nm ratio of nearly unity, has been isolated and purified from porcine kidney using fractional precipitation, ion exchange resins, and gel filtration procedures. The cytochrome b_5 shows heat stability up to 50° and is stable in the pH range 6.0 to 8.5. The oxidized protein exhibits an absorption maximum at 413 nm, while the reduced form shows three peaks: 423, 526, 556 nm. Molecular weight determinations have given variable results, suggesting the possibility of a polymer composed of four and eight units of a 13,500 molecular weight protomer. This study has …

|Ni.|Pa Calorimetric Study Of The Heat Of Ionization Of Water At 10 And 40°C, And,|Nii.|Pa Calorimetric Determination Of The Heat Of Reaction Of Tris (Hydroxymethyl) Aminomethane (Tham) With Hydrochloric Acid In Aqueous Solution At 10, 25, And 40°C, Griffith Lyn Kimball

Theses and Dissertations

The heat of neutralization, ΔH_-N, of perchloric acid with sodium hydroxide has been determined at 10 and 40° in a low ionic strength, μ, region using a nonisothermal, constant-temperature-environment solution calorimeter. Correction of the data to infinite dilution by extrapolation of a plot of ΔH_-N vs μ^0.5 gives values at zero ionic strength for the heat of ionization of water of 14.216 and 12.695 kcal/mole, respectively, at 10 and 40° . The data are correlated with those of earlier workers to give an equation allowing the calculation of the heat of ionization of water at zero ionic strength over the …

⁷Li(D,P)⁸Li Excitation Function :|Be[Subscript D] = 0.623 Mev To 1.968 Mev, Albert E. Schilling

Theses and Dissertations

In this study the excitation function for the ^7Li(d,p)^8Li reaction is determined at incident deuteron energies ranging from 0.623MeV to 1.968MeV by counting the delayed alpha-particles as a result of the ^8Li beta decay. This excitation function reveals resonances at 0.777±0.012MeV and 1.031±0.015MeV with cross sections of 202±9mb and 188±8mb respectively. The uncertainty in the cross section values was due to three independent sources of error within this experiment, the solid angle, the ^8Li half-life, and the target (LiF) thickness. The uncertainty in the energy values was determined from an energy calibration of the accelerator used in this study. Resonances …

Transient Convective Heat Transfer In Closed Containers During And After Gas Injection, Jennings Donell Means

Theses and Dissertations

This dissertation presents experimental data correlations for the spatially - averaged convective heat transfer coefficient for thin walled closed containers during and after gas injection. The different modes of heat transfer were identified, and correlations were made for each. Correlations are presented for the injection period, post-top injection, post-bottom injection, post- tangential, post-radial injection, and post-ejection heat transfer for various tank geometries. Of special significance are the very high heat transfer rates that were shown to be present in some cases immediately after injection. Heat transfer rates were shown to be, for a short period, up to almost two orders …

The Design And Analysis Of An Electro-Pneumatic Signal Converter, Richard K. Thornton

Theses and Dissertations

In the field of process control it is desirable to study dynamic characteristics such as frequency response and distortion when determining just how equipment is to be controlled. Pneumatic controllers, transmitters, control valves, etc., all have dynamic behaviors which can be expressed mathematically as transfer functions. Each component plays an important role in determining the entire system behavior. Frequency response is one technique used in developing a component’s transfer function. By driving a device with a sinusoidal signal of fixed amplitude and frequency the output amplitude and phase shift are measured and compared with that of the input. Varying the …

The Impact Of Management Information Systems On Business Organizations, James E. Cooper

Theses and Dissertations

This study is an attempt to evaluate the impact of Management Information Systems (MIS) on business, to examine recent developments in the MIS field, and to det ermine the future role of these developments as they contribute to more effective MIS

Library research of secondary sources was utilized in conducting this research. Factors crucial to information requirement such as timeliness, comprehensiveness, accuracy, reliability and flexibility were analyzed. In addition, the human behavior aspect of MIS was evaluated

The findings of this study disclosed that the impact of MIS on. business functions has been restricted by lack of use, lack of …

Thermodynamic Equilibrium Formation Constants And Molal Concentrations Of The Complexed Mercury-Containing Species Of Mercuric Chloride In Added Hydrochloric Acid And Methanol-Water Solvent Mixtures, Karl Jennings Walker

Theses and Dissertations

Saturated solutions of mercuric chloride in different methanol-water and hydrochloric acid solvent mixtures were equilibrated at 25.00 ± 0.01°C. Total mercury and free chloride concentrations were determined by analytical procedures and the data were analyzed with the aid of the computer. Tabulated below are the results of this study: [--see thesis for table--]

Finite Conductance Element Method Of Conduction Heat Transfer, E. Clark Lemmon

Theses and Dissertations

One of the basic goals in engineering is to formulate models which will provide a means for analytically predicting observed phenomenon. For some time, the partial differential equations describing the steady state and transient conduction of heat within a solid have been available. However, the straight forward use of these equations is often restricted due to the surface geometry of the solid. If the surface geometry is at all irregular, exact solutions will in general not exist. In that case, a solution is sought by some approximate numerical technique. The two techniques most often used are the finite difference method …

A Proposed Mechanism Of Action For In Vitro Excystation Of Two Species Of Coccidia, William Ronald Jolley

Theses and Dissertations

Excystation of coccidian oocysts is accomplished in vitro by altering wall permeability with CO2 and a reducing agent, then activating the enclosed sporozoites with a solution of trypsin and bile. Elucidation of the mechanism of action of the CO2-reducing agent treatment was the basic intent of this study. Oocysts of Eimeria stiedae (rabbit) and E. tenella (chicken) were tested for the presence of an excystation-associated enzyme by incubating sporulated oocysts in fluids extracted from variously treated oocysts, and by carbon-14 labelling; the effect of CO2 -reducing agent treatment on oocyst walls was investigated by titration with acid or base for …