Digital Commons Network^™

An Analysis Of The Objectivity-Imperative And Related Problems In Sociological Methodology And Interpretation, Robert M. White

Theses and Dissertations

No abstract provided.

The Significance To High School Administration Of Factors Influencing Occupational Choice Of College Freshmen, David E. Spelts

Theses and Dissertations

No abstract provided.

A Study Of The School District Organization And Reorganization Of Aitkin County, Minnesota, William Frank Dziuk

Theses and Dissertations

No abstract provided.

A Study Of The Speaking Of B. H. Roberts, Utah's Blacksmith Orator, R. Wayne Pace

Theses and Dissertations

The Mormon Church has continued to grow in size and prominence since 1830 when Joseph Smith announced the formation of this new Christian organization.

The struggle to gain recognition for the Church of Jesus Christ of Latter-day Saints (Mormon) among the body of Christian groups has been a vigorous and energetic one. Out of the band of closely knit followers have developed leaders who were particularly gifted at proclaiming and defending the beliefs of this faith.

One of the men who was foremost in advancing the views of the Mormon people during the years 1880 to 1930 was Brigham Henry …

Thermal Reaction Of Hydrogen And Oxygen In Small Bore Tubes, Shib Charan Chattoraj

Theses and Dissertations

The thermal reaction of hydrogen and oxygen has been investigated from the standpoint of the important intermediate hydrogen peroxide in the region between 620-720 degrees centigrade in small bore Pyrex and steel tubes. The minimum explosion-temperatures with different flow rates and compositions of the mixture have been determined. They have been found to vary with the composition and flow rate of the mixture. The minimum explosion temperature is also found to vary with the condition of the reaction tube surface. The yield of hydrogen peroxide has been determined as a function of temperature, contact time, composition of feed stream, and …

Redistribution And Incorporation Of Sulfur-Containing Amino Acids During The Healing Of Experimental Wounds, Robert C. Nordlie

Theses and Dissertations

No abstract provided.

The Parity Ratio And Agricultural Out-Migration, Glen Allen Mumey

Theses and Dissertations

No abstract provided.

Oxidation Of Molybdenite With The Aid Of Microorganisms, Ralph Anderson

Theses and Dissertations

This work represents a study on the biological oxidation of molybdenite, MoS2. The principal objective of this study was to investigate the possibility of the biological oxidation of molybdenite, to determine the physical and chemical conditions under which the oxidative process occurs, and to develop a strain of bacteria or alter the activity of the microorganisms by acclimatization to increase their activity on sulfide minerals, in particular molybdenite. Minerals used in this study were pyrite (FeS2), chalcopyrite (CuFeS2), molybdenite concentrate, and molybdenite ore. The microorganisms used in this investigation were autotrophic bacteria obtained from the leaching streams of Bingham Canyon, …

A Study Of Certain Spirals, Duane M. Johnson

Theses and Dissertations

No abstract provided.

The Instability Constant Of The Cobaltous Citrate Complex Ion Using Cobalt-⁶⁰ As A Tracer, Lee T. Cox

Theses and Dissertations

The instability constant of a substance shows the tendency of a substance to dissociate into simple ions. The stability of the substance can be related to stabilities of other substances through the instability constant. Schubert gives a method for the determination of the instability constant which involves measurements of the adsorption of a radiotracer cation on a cation exchange resin. Two different types of resin were employed in this research. It was found that with a resin containing carboxylic acid exchange groups the adsorption of the cobaltous ion changed rapidly with pH but with a resin containing nuclear sulfonic acid …

A Correlation Of The Catalytic Activity Of Various Mixtures Of Rhenium And Molybdenum Sulfides In Liquid-Phase Hydrogenation Of Certain Reducible Organic Groups, Li-Chen Hsu

Theses and Dissertations

The promoter action of mixtures of catalysts has been reported in literature to be valuable in industries. Whether mixtures of rhenium and molybdenum sulfides would have promoter actions in the hydrogenations of certain reducible organic groups was the main object of this research. Mixtures of rhenium and molybdenum sulfides of various compositions were prepared by three different methods, i.e., (a) by saturating perrhenate and molybdate with hydrogen sulfide in hydrochloric acid solutions, (b) in ammonium hydroxide solutions followed by acidification, and (c) by treating perrhenate and molybdate with thiosulfate in dilute sulfuric acids followed by extraction with toluene to remove …

Photo-Oxidations Sensitized By Physiologically Important Substances, Ernel D. Ihnen

Theses and Dissertations

A study of the photo-oxidation of the 2,6-dichlorophenol indophenol-ascorbic couple was undertaken with a view to investigating the postulated mechanism of oxidation by a component of the oxygen evolving sequence operative in photosynthesis. A spectrophotometric method for the measurement of the progress of photo-oxidation was developed. Temperature and pH dependence were determined and the effect of various common inhibitors and physiological substances tested. None of the common Hill reaction inhibitors were effective in the ascorbic acid photo-oxidation in the system used. KCN and catalase as well as a few other high molecular weight proteins were able to inhibit dark auto-oxidation …

Calorimetric Heats Of Mixing Of Some Nonelectrolytic Binary And Ternary Solutions, James Bevan Ott

Theses and Dissertations

The heat of mixing of nonelectrolytic liquids is important in predicting the type of molecular interactions which exist in solutions of nonelectrolyted. The problem was to construct a calorimeter in which these heats of mixing could be measured accurately. Once constructed, the calorimeter was used to measure the heats of mixing of some binary and a ternary solutions. The systems chosen for study were the three liquid pairs formed between benzane, carbon tetrachloride, and cyclohexane, and the ternary mixture of the three. The results of the experimentation are summarized by the following equations. (1) H_12^M = X_1x_2 [103.2 + 13.1(x_1 …

The Late Tertiary History Of The Upper Little Missouri River, North Dakota, Charles K. Petter Jr.

Theses and Dissertations

No abstract provided.

Designing, Constructing, And Evaluating An Arithmetic Counting Device, W J. Dunning

Theses and Dissertations

No abstract provided.

Relationships Between The Mathematics Taught In The Mathematics Classes To That Needed In The Industrial Arts Classes In The Junior High School At Devils Lake, North Dakota, William A. Muehlhausen

Theses and Dissertations

No abstract provided.

The Organization And Development Of High School Science Fairs With Special Emphasis On Science Fairs In North Dakota, Arden F. Welte

Theses and Dissertations

No abstract provided.

A Study Of The Prerequisites For Student Teaching In Teacher-Training Institutions In North And South Dakota And Minnesota, Thomas Bachmeier

Theses and Dissertations

No abstract provided.

A Survey Of Standardized Testing Programs In North Dakota Class A Schools, Robert A. Peterson

Theses and Dissertations

No abstract provided.

Curve-Producing Mechanisms, Milton Eugene Winger

Theses and Dissertations

No abstract provided.

A Study Of Elementary Teaching Opportunities Outside The Continental United States, Vivian L. Davis

Theses and Dissertations

No abstract provided.

A Study Of Certain Factors And Attitudes That Influence High School Seniors In Selecting Elementary Or Secondary Levels Of Teaching As A Vocation, Ardelle C. Athmann

Theses and Dissertations

No abstract provided.

A Study Of The Reactivity Of Isolated Blood Vessels, James Arthur Vick

Theses and Dissertations

No abstract provided.

Abacus, History And Use, Richard B. Starr

Theses and Dissertations

No abstract provided.

The Geology Of The Grassy Butte Area, Mckenzie County, North Dakota, Elmer G. Meldahl

Theses and Dissertations

The Grassy Butte area lies in southern McKenzie County, just southwest of the deepest part of the Williston Basin, and is bordered on the north by the North Unit of the Theodore Roosevelt National Memorial Park.

the purpose of this investigation was: (1) to prepare a geological map of the area; (2) to map the geologic structure of the area; (3) to measure and describe detailed stratigraphic sections which would aid in correlating rock units in this area with previously described rock units in adjacent areas; (4) to indicate lignite beds of possible economic value.

The western three-fifths of the …

A Study Of Driver Education In South Dakota High Schools, Ruben O. Gjerde

Theses and Dissertations

No abstract provided.

Some Aspects Of The Chemistry Of The Hydroquinoxalines Unsubstituted On The Nitrogen Atoms, Evan L. Allred

Theses and Dissertations

A search of the literature revealed that almost nothing is known concerning the class of compounds known as decahydroquinoxalines. Since this posed a problem involving a search for a systematic synthetic method of general application as well as a method for establishing the characteristic class and individual properties, a research project under the guidance of Dr. H. Smith Broadbent was initiated. Of particular interest aside from matters of purely chemical interest was the recognition that the hydroquinoxalines possess obvious structural similarities with atropine and other well-known drugs which have valuable application as hypotensive agents, analgesics, spasmolytic agents, parasympathetic depressants, antihistaminics, …

Acidic Properties Of Clay Minerals And Alumina, Kenneth H. Anderson

Theses and Dissertations

Acidic properties of dialyzed alumina and representative clay minerals were studied by performing titrations with various bases. For the first group of experiments the titrations were made in a water system using KOH and NaOH. For this study in a water system the experimental data includes individual cationic activities as well as pH values. Adsorption of the cations was adequately described over a pH range of 5-11 by the equation 1-θ/θ ⋅ aNa+ ⋅ aOH- = 1/K'3 [aOH- + KW/K'2 + 1/K'1], in which θ represents the fraction of the total sites that have reacted. Thermodynamic constants K'3 and K0= …

The Effect Of Ferrous And Ferric Ions On The Conversion Of Malate To Pyruvate By A Cell Free Extract Of Pigeon Liver, Keith Erwin Richardson

Theses and Dissertations

Recent investigations on the crude pigeon liver extracts have shown the presence of an enzyme which catalyzes the oxidative decarboxylation of malate to pyruvate and carbon dioxide. The name malic enzyme has been given to this enzyme to distinguish it from malic dehydrogenase. Under aerobic conditions the addition of ferrous sulfate resulted in inhibition of the action of malic enzyme. Subsequent investigation showed that the inhibition obaerved was not due to ferrous ions, but due to ferric ions which were contaminating the ferrous sulfate. It was also shown that under aerobic conditions ferrous ions were rapidly oxidized to ferric ions. …

Colorimetric Determination Of Rhenium In Ores, Clair Winston Rogers

Theses and Dissertations

The problem of colorimetrically determining rhenium in the presence of molybdenum, copper, iron, sulphur, and rare earth elements with the use of dimethylglyoxime as the complexing compound was accomplished by the method reported here-in. The interfering elements were eliminated either as gaseous oxides and sulfides or were precipitated from a highly basic solution by means of a strong alkaline fusion of equal weights of sodium hydroxide and sodium peroxide, and the ore sample containing rhenium. The fusion product was dissolved in water, the solution boiled with a slight excess of sodium peroxide, and the hydroxide of all the interfering ions …