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A Study of Some Congenital Anomalies of the Teeth

Description: Anomalies of the teeth include a variety of expression such as: anodontia, hyperdontia, peg teeth. opalescent dentine, mottled enamel, and other imperfections of the teeth. This paper is concerned primarily with anodontia in human subjects, although other abnormalities of interest are mentioned. Insufficient datum is the principal difficulty encountered in determining the mechanism and means of transmission in human genetics. Small families, slow breeding, and inability to subject humans to exp… more
Date: August 1955
Creator: Jones, Alvin Watt
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Quantitative and Qualitative Bacterial Analysis of the Sewage Disposal System of Perryton, Texas

Description: This investigation had for its purpose the determination of first, the inefficiency of the Perryton, Texas, sewage disposal plant proper; and second the potential effectiveness of a lagoon now used to complete the sewage purification; and consequently, offset an apparent health hazard. The problem, as pursued, has consisted of first, the collection of sewage samples from the six stations listed in Table 1 over the period of time from September 23, 1949 to May 14, 1950; second, a quantitative an… more
Date: August 1950
Creator: Sullivan, Troy G.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Study of the Participation and Interests in Leisure Time Activities of the Women of Dallas, Texas

Description: "It is the purpose of this investigation to discover and report how the women of Dallas, Texas, spend their time when not engaged in their daily occupation. ... it attempts to disclose the trend of interest of various groups according to age, salary, and occupation; the influence of previous training; the reasons for non-participation in the activities in which they desire to take part. It is a further purpose to formulate various plans which are to evaluate academically or non-academically the… more
Date: July 1937
Creator: Wade, Irma E.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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An Evaluation of the System of Pupil Transportation in Comanche County, Texas

Description: Since every school in Comanche County operates some form of pupil transportation, the purpose of this study is to determine the efficiency of the system of pupil transportation in Comanche County and to find the means of operating school transportation more efficiently. School consolidation in Comanche County has made pupil transportation one of the most important problems that administrators of the county have to deal with. The tendency is toward larger school attendance areas. As the attenda… more
Date: August 1950
Creator: Skiles, Dean
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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The Educational and Recreational Value of Swimming in Texas as Revealed by the Municipal and Educational Institutions

Description: The purpose of this study was undertaken first, to determine, in so far as possible, the extent of the growing popularity of swimming throughout Texas; second, to discover what provisions were being made to meet the new demands for more adequate facilities and instruction; third, to reveal the extent of swimming participation in the state; fourth, to reveal data showing the extent and kind of swimming facilities in the state; and fifth, to evaluate the data found.
Date: August 1938
Creator: Woodall, Earle S.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Studies on the Nutrition of Rhodospirillum Rubrum

Description: The purpose of this study has been to examine the nutritional requirements of Rhodospirillum rubrum and, on the basis of the results, develop a culture medium which could be use to promote more rapid and abundant growth facilitating the laboratory cultivation and observations of the properties so exhibited.
Date: August 1957
Creator: Wentworth, Margaret Earl
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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The Histological Effects of Injections of Fish Pituitary Extracts on the Testes of Male Frogs, (Rana Pipiens), and the Reproductive System of Immature Mice

Description: The purpose of this investigation was first, to make a histological and cytological study of the testis of male frogs, Rana pipiens, and to determine if there were tissue or cellular changes as well as physiological effects caused by fish pituitary-extract injections. Second, to determine if injections of fish pituitary extract into immature female white mice caused histological changes in the ovaries and uteri.
Date: 1949
Creator: Robertson, William George
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Isolation and Identification of Bacterial Species Associated with the Common House Fly and Three Species of Cockroaches

Description: In an attempt to demonstrate the role of insects as possible carriers of pathogenic bacterial organisms this investigation has been concerned with the determination of the microbial population associated both internally and externally with the common house fly and three species of the cockroach.
Date: 1951
Creator: Morland, Clifford L.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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The Isolation, Cultivation and Testing of Organisms Anatagonistic to a Streptomycin Resistant Strain of Pseudomonas Aeruginosa

Description: The problem of finding an efficient antibiotic against Pseudomonas aeruginosa which can be used in the clinical treatment of genito-urinary tract infections resistant to treatment by streptomycin has not yet been solved. Therefore, this problem has consisted of first, the acquisition of possible inhibitors of the streptomycin resistant strain of Pseudomonas aeruginosa; second, the selection and identification of those which show a marked antagonism toward this organism; third, the determination… more
Date: 1951
Creator: Banister, Jack Warren
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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The Inhibition of Fungal Contaminants in Cultures of Mycobacterium Tuberculosis

Description: The problem of conatmination in culture media for Mycobacterium tuberculosis has not been solved completely, and for this reason the work herein presented was carried out. In this work experiments were made testing the effect of actidione in inhibiting certain ones of the higher fungi.
Date: 1951
Creator: Wright, Noble M.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Comparative Study of Egg Media in the Primary Isolation of Mycobacterium Tuberculosis

Description: The primary purpose of this investigation is not only to improve the present technique of culture of Mycobacterium tuberculosis, but also to make a comparative study of the media use, namely, Veterans Administration modification of Trudeau's medium, Lowenstein's egg medium, and that developed by the author, in order to find which, if any, of these will most easily and effectively meet the needs of the hospital laboratory.
Date: 1949
Creator: Barberousse, Loris J.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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The Response of Amphibia and Rodents to Fish Gonadotropins

Description: The purpose of this research is, first, to determine by laboratory methods, that species specificity does not exist in closely allied taxonomic animals; second, to determine a unit of activity for the gonadotropic hormone. For this purpose a quantitative method for determining potency is necessary to ascertain the seasonal production of the gonadotropic factor in fish. A further aim in this investigation is to demonstrate that the diversity of the gonadotropic factor, in relation to phylogeneti… more
Date: 1949
Creator: Bishop, Jack G.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Study of Hereditary Predisposition to Cardiovascular Diseases

Description: Because the many physicians and students of heredity have not been closely associated in finding that the causes of cardiovascular diseases might lie, in a large measure, to an inherited predisposition, this study has been undertaken; first, to contribute to several more case studies of cardiovascular diseases to the knowledge of heredity; second, to find if there is a possible successive occurrence of cardiovascular diseases in generation after generation; and third, to determine a possible mo… more
Date: 1949
Creator: McCarty, Juanita Mavis
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Solution for High Bacterial Counts in a Local Dairy, Denton, Texas

Description: It is the aim of this investigation to determine through routine checks if the bacterial count in the milk from Brooks Dairy Company is high and if so to determine the source. If it is found that the laboratory plate counts are unnecessarily high, it is the further purpose of this paper to make recommendations for improvements in the quality of milk produced by this dairy plant.
Date: 1949
Creator: Simonds, Thomas Hugh
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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