The Iowa State University Digital Repository provides open access to the full-text of many theses and dissertations completed at Iowa State University. From this page, you can either browse our theses and dissertations by academic department or by the year of completion.

Some Iowa State theses and dissertations are not eligible for open access. These may be accessible, with some restrictions, via ProQuest/UMI. On the ProQuest site, the full text of Iowa State's digital theses and dissertations can be viewed by members of the Iowa State community (current students, faculty, and staff) or individuals searching from Iowa State campus IP addresses. Others can view only the first 25 pages of a thesis or dissertation from Iowa State

Finally, some Iowa State theses and dissertations exist only in paper format. For more information, see How to find dissertations and theses through the Iowa State University Library, or contact your subject librarian.

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Interdisciplinary Majors and Programs
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Theses/Dissertations from 1946

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Non-lactose fermenting yeasts and yeast-like fungi from cream and butter , Stanley H.F. Chinn

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Some derivatives of [gamma]-valerolactone, Robert V. Christian Jr.

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The introduction of functional groups into some organosilanes , Russell N. Clark

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Ovicidal effect of certain organic thiocyanates on the common red spider , James Harvey Cochran

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Certain conflicts in United States agricultural and foreign trade policies , Alvin E. Coons

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The adaptation of farm buildings to meet changes in farm operation, Norval Herbert Curry

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The mechanism of cell enlargement , Marian C. Dellers

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Meat in nutrition: XXVII. Concentration of urea nitrogen, calcium and plasma protein in the blood of pregnant rats fed a diet containing partially dried, autoclaved pork muscle , Dorothy Ann Ehmke

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Preparation of amino acids and derivatives and their effect on the growth of Lactobacillus arabinosus , Marguerite Fling

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Some substituted alkylamino sulfides and sulfones , Lawrence Fullhart Jr.

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Mechanisms of addition of organolithium compounds to quinoline and isoquinoline , Gordon Clements Gainer

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The nature of competition among selected grasses and legumes and natural invaders in Louisiana , John P. Gray

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Sociological variables and cultural configurations in contemporary rural communities , Neal Crasilneck Gross

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Biology and control of the tuber flea beetle, Epitrix tuberis Gentner, in Nebraska , Roscoe Earle Hill

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Small scale production and some reactions of 2-methylfuran , Robert Franklin Holdren

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The effects of varying amounts of Zebu blood on the adaptability of dairy cattle to conditions in Jamaica, John Wallace Howe

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Water content changes of poultry held in frozen storage as related to palatibility, Helen Virginia Johnson

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The effect of inbreeding on fertility and vitality in swine , Charles Morison Kincaid

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Production of the 2, 3-butanediols by the fermentation of starch , Earl Robert Kooi

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Cause and possible prevention of the cracking of thin concrete walls poured integrally with arch-ribs and rigid frames , David Muir MacAlpine

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High-molecular weight compounds of nitrogen and sulfur as therapeutic agents , Samuel Proctor Massie

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Physical properties and crystal structure of polonium , Charles R. Maxwell

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The effect of pressure on the decomposition of potassium chlorate in the presence of manganese dioxide, Joseph Harvey McLaughlin

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The mordanting of cellulose-acetate rayon, nylon, and silk with potassium dichromate , Lorraine Anne Mero

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Amylose complexes with organic acids and alkyl halides , Felix Frank Mikus

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Physiological response of Kentucky bluegrass to different management treatments , Maurice Lewellen Peterson

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The development and structure of the vegetative and reproductive organs of kudzu, Pueraria thunbergiana (Sieb and Zucc) Benth , Harry Josef Romm

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Some factors affecting the functional properties of liquid egg albumen , Harry Marshall Slosberg

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The synthesis, resolution, and metabolism of tyrosine isomers and analogues , Merrill E. Speeter

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Biology of horse nettle, Solanum carolinense L , Erhardt P. Sylwester

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Variable-sequence causation of changes in the program of the Iowa agricultural extension service , William James Tudor

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Coagulation of colloids by electrolytes as a function of charge and relative concentrations, Elizabeth Folger Tuller

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A solution of a rectifier filter circuit with a capacitive input , D. L. Waidelich

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A comparison of some laboratory methods for the production of antibodies , Mary Jane Ward

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Chemical properties of uranium hydride , James Curren Warf

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Evaluation of safety factors in the industrial education shops of Davenport, Lewis Emery Wass

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The chelate compounds of plutonium , Frederick John Wolter

Theses/Dissertations from 1945

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Transient response of four-terminal networks , Wilton Robert Abbott

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The availability of the replaceable calcium in various soil colloids and clay minerals as affected by the degree of calcium saturation, William Hubert Allaway

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Economic problems of an adequate diet in Canada , James R. Bowring

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Production and income effects of agricultural subsidies in the corn belt, 1933-1942 , Oswald Harvey Brownlee

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A cytological study of the costal marrow of the adult horse and cow , M. Lois Calhoun

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Design and test of three experimental sheet steel brooder houses, Leland Overby Drew

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Influence of soybeans on the flavor of milk, cream and butter and on the body and texture of butter , Jennings Bryan Frye Jr.

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The composition of the water soluble fraction of some ceramic clay deposits of Iowa , Averill John Hammer

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Effect of concentrating egg white on desirability of angel cake , Helen Louise Hanson

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Analysis of farm size with special reference to Iowa, Earl Orel Heady

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Generic classification of North American Tingoidea (Hemiptera-Heteroptera) , Margaret Eva Poor Hurd

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The theory of forward prices for agricultural products , David Gale Johnson

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Dried egg albumen. I, Studies of the non-microbiological changes during storage , Ralph W. Kline

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Rearrangement reactions of some aromatic sulfur compounds , George Ambrose Martin Jr.

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The comparative lifting power of magma from fresh and aged, pasteurized, and dehydrated eggs when used in sponge cake , Cora F. Miller

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Certain medical and allied health services,with special application to rural communities in Iowa , Christine Newark

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Some problems in the chemistry of uranium and thorium of interest to the development of atomic power , Robert William Nottorf

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Heritable strain differences of the livers and spleens of mice in relation to genetic resistance to mouse typhoid, Salmonella typhimurium, Eugene F. Oakberg

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Some chemical, physical, and palatability changes in certain fats after prolonged storage, Andrea Johnsen Overman

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Relations of hormones to correlation in maize, Marion Antoinette Richards

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Hypophysectomy and its physiologic effects in the pig (Sus Scrofa domestica) , Lorenz Edward St. Clair

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Solution of clamped plate problems by means of functions derived from membrane characteristic functions , William B. Stiles

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Fluorine and sulfur quinoline derivatives as antimalarial agents , Leo Loveland Tolman

Theses/Dissertations from 1944

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The effect of marketing weight upon marginal feed costs of pork and lard production , L. Jay Atkinson

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Synthetic antimalarials of polynuclear heterocycles containing oxygen and sulfur , Souren Avakian

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An ecological study of native species of sumac in relation to development and growth on eroded land and to utilization as a source of tannin , Ivan Louis Boyd

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Nutritional status of Iowa State College women: VIII. Nitrogen, calcium and energy exchange during weight reduction, Edna Genevieve Brown

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Utilization of hemp waste, Melvin Henry Brown

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Vitamin C in tomatoes as related to variety and stage of growth in plants and fruits , Lyle L. Davis

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Response of maize inbreds and hybrids to different levels of fertility , Robert C. Eckhardt

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The mechanism of formation of acetylmethylcarbinol by active enzyme preparations , Noel Harden Gross

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Effect of sugar or salt upon denaturation produced by beating and upon the ease of formation and the stability of egg white foams , Flora May Hanning

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Studies on oxygen-carrying cobalt compounds , George Carol Harrison

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Testing of copper fungicides for control of tomato blight in southwest Virginia , Robert Gordon Henderson

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The problem of bridging the 1- and 9- positions of dibenzofuran , John Alexander Hogg

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The relative importance of air, steam, and carbon dioxide as leavening gases in cakes made with different types of fats , Maude Pye Hood

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Drought resistance of range and pasture grasses , Odell Julander

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The conversion of fermentation products to elastomer intermediates , John Joseph Kolfenbach

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The fermentative production of glycerol , Thomas Masson Lees

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Cuprous oxide as a catalyst: the effect of varying the proportions of promoter and stabilizer , Philip Andrew Lefrancois

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Mechanics in the formation of water-stable soil aggregates , John Roger McHenry

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Trends in patterns of agricultural curricula in north central land-grant institutions , Tillman Marion Moore

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Heat flow through sheet steel roofing under Iowa winter conditions, William Joseph Nemerever

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The effect of liming on the cation status of several soils, soil colloids and clay minerals , Enoch Betuel Norum

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Organoantimony compounds containing water-solubilizing groups , Gordon James O'Donnell

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Farm management adjustment to wartime price and demand 1939 to 1942, Wallace Elmer Ogg

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Denaturation of egg proteins. I, Effect of heat treatments on viscosity of liquid egg products , Soledad Ramos Payawal

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The development and evaluation of seed laboratory methods for determining the presence and significance of certain soil-borne and seed-borne organisms , William Newell Rice

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Ferro-inductance as a variable electric circuit element , John Douglas Ryder

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Spectrochemical analysis of fruit tissue for lead , Verlee Enid Sater

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Correlative development of the ear shoot of maize, Pierre Georges Sylvain

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Parasitism of Xanthomonas translucens (JJ and R) Dowson on cereals and grasses , Jack R. Wallin

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Synthetic dibenzofurans structurally related to known analgesics, Frederick Albert Yeoman

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Some external and internal effects of phenothiazine, phenothiazone and thionol upon Periplaneta americana (L) , John William Zukel

Theses/Dissertations from 1943

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A study of Bacterium linens , J. Oscar Albert

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The nature of the starch-iodine complex , Robert Russel Baldwin

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Tests of significance considered as an aid in statistical methodology , Theodore A. Bancroft

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Some applications of electrometric methods to the study of the components of starch , Francis Leslie Bates

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Hybridization and embryology of Paspalum dilatatum Poir , Hugh Wilbur Bennett

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A study of the phosphorylase of waxy maize , Laura Bliss

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The production of rubber from furfural , Llewellyn Wilson Burnette

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Effects of carbon dioxide and oxygen on absorption by roots , Hsien Tsiu Chang

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Ecology and management of the prairie spotted skunk, Spilogale interrupta (Rafinesque), in southeastern Iowa , Wilfred Dayton Crabb