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A Grassland Evaluation of Eastland County, Texas

Description: This investigation has had for its purpose the determination of first, all members of the Gramineae (Grass) family found in the county; second, the incidence of each species with the various types of soil; third, the grazing value of each species; fourth, the life span of the parent plants; fifth, the present grassland status; and sixth, the potentialities of developing desirable grassland.
Date: 1951
Creator: Durham, Norman Nevill
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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The Antibiotic Properties of the Oleoresins of Twenty-Five Common Garden Vegetables

Description: The purpose of this problem is to determine the presence and extent of antibiotic materials as found in the oleoresins of a selected group of garden vegetables. The problem has consisted of, first, the collection and preparation of specimens of twenty-five commonly used garden vegetables; second, the extraction of the oleoresins from these; third, the determination of the inhibitory and other effects of these oleoresins against several strains of selected gram-positive and gram-negative bacteri… more
Date: 1951
Creator: Ennis, Arthur F.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Study of the Bacterial Flora of Food Utensils in Hardin College Cafeteria and Twenty-Five Eating Establishments in Wichita Falls, Texas

Description: The problem of this thesis consists primarily of a bacteriological survey of the eating utensils of Hardin College Cafeteria and twenty-five other eating establishments in the city of Wichita Falls, Texas. This investigation was made primarily with reference to a determination of the possible presence of typhoid and related organisms, and secondarily to an investigation of the actual presence of those bacterial organisms associated with the more common outbreaks of food poisoning.
Date: 1949
Creator: Adams, Isaac Newton
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Hydantoin Derivatives as Anticonvulsants. I. 5-Cyclohexylalkyl-5-(2-Thienyl)Hydantoins

Description: The study herein described represents a continuation of the work on 5-(2-thienyl)-5-substituted hydantoins which has been in progress in the laboratories of the North Texas State College for the past several years. It has for its purpose the study of the effect of lengthening the carbon chain connecting a cyclohexyl radical to 5-(2-thienyl)hydantoin in the 5- position.
Date: 1949
Creator: Baker, Andy Albert
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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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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The Sensitivity of Human Blood Plasma to the Coagulase Enzyme Secreted by Members of the Genus Micrococcus

Description: The problem in this investigation consisted of, first, the isolation from human sources and identification of thirteen cultures of typical micrococci to be used as test organisms; second, the acquisition of blood plasma from thirty different human beings; and third, the determination of the possibility of individual variation in sensitivity of blood plasma to the micrococci used as test organisms as revealed by the coagulase test.
Date: 1950
Creator: Coultas, John T.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

The Syntheses of Amino Substituted Salicylic Acids and Related Compounds

Description: The introduction of the ether linkage into various compounds imparts physiological activity, hence the synthesis of various ether derivatives involving the phenol group seemed to be a possible route to tuberculostatic substances. The compounds reported in this work are to be tested for tuberculostatic properties by Parke, Davis and Company.
Date: 1949
Creator: Gerber, Martin
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Study to Determine the Adequacy of the Science Programs of the Small High Schools of North Central Texas

Description: The purpose of this study is to determine how adequately the smaller high schools of North Central Texas are conforming to certain standards in the science field. The problem of this study is to determine whether science teachers' objectives and methods are in line with educational objectives and certain sound psychological practices and whether the science training has made any contributions to the general education of the high-school students in this area.
Date: 1950
Creator: Hoeldtke, Clara
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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In Vitro Determination of the Cellulose-Decomposing Rates of Twelve Denton County, Texas Soils

Description: In this study twelve types of top soil were collected under aseptic conditions. The cellulose-decomposing rates of these were compared in order to determine the relative rates in the cellulose-decomposing potential of the microorganisms involved. Furthermore, this investigation is designed to acquire pertinent information on the rate at which natural cellulose materials are returned to available plant food.
Date: 1950
Creator: Heather, Carl D.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Seasonal Survey of Actinomycetes in Twenty Denton County, Texas, Soils

Description: This investigation has had for its aim a further study of actinomycete flora of twenty Denton County, Texas, soils. The problem has evolved itself into, first, a seasonal analysis for the number of actinomycetes in each of the twenty soils; second, a determination of the types of soils that contain the greatest number of actinomycetes in each cultivated and uncultivated land; third, a determination of soil moisture and pH; and fourth, an attempt to correlate these factors with the number of ac… more
Date: 1949
Creator: Hudgins, Gladys
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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