UNT Theses and Dissertations - 10 Matching Results

This system will be undergoing maintenance April 18th between 9:00AM and 12:00PM CDT.

Search Results

Results: 1 - 10
open access

A Comparative Study of Errors in Chemistry and English Found in Examination Papers of Freshman Chemistry

Description: This study attempts to discover what types of errors are commonly made by students in freshman chemistry classes. It considers the errors resulting from the students' lack of knowledge of the subject taught, and errors attributed to their failure to use correct English in their expression of ideas.
Date: August 1938
Creator: Phillips, Annie
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Determination of Nitrogen, Phosphorus, and Potassium in Various Plants

Description: This study attempted to form some conception, through the analysis of a representative group of plants in the vicinity of Denton, of the amount of the three essential elements in the leaves as compared with the amount in the woody portions. The comparison of leaf with stem as to the quantity of nitrogen, phosphorus, and potassium is explained.
Date: August 1938
Creator: Holloway, J. B. Menlo
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Molecular Dimensions

Description: This study attempts to calculate the areas of the cross section and diameter of the CH3 group, COOH group, the length of the carbon chain, and the longtiudinal distance between carbon atoms for each of the three acids. It also attempts to develop a method of measuring the effective diameter of molecules of gases. Equations for these terms as given by MacDougall and experiments were performed and the data applied to the equation.
Date: August 1938
Creator: Moss, H. H.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

A Physical and Chemical Investigation of Eagle Mountain Lake with Reference to Biological Productivity

Description: The purpose of this investigation is to attempt by correlation of chemical-physical factors to ascertain if any one of the necessary features might act as a factor limiting growth and reproduction of either plants or animals. The body of water used in this investigation is Eagle Mountain Lake, a reservoirs approximately five years of age.
Date: August 1938
Creator: Smith, Burns Ashby
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Quantitative Chemical Analysis of the Soils of Erath County, Texas

Description: A chemical analysis of representative samples of Windthorst sand, Denton sand, and Denton clay has been made, and this analysis shows that their composition has a strict correlation with respect to their geological origins. The analyses of the different soils have shown the Windthorst sand to be highly deficient in all of the essential elements, whereas the Denton sand is deficient in only one; namely, phosphorus. The analysis of the Denton clay showed it to be highly fertile. From the conside… more
Date: June 1938
Creator: Barnes, Benjamin F.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

A Quantitative Study of the Common Metals Found in the Oak and the Pine

Description: The purpose of this study is to determine the amounts of the element sulfur, phosphorus, sodium, potassium, silicon, iron, aluminium, calcium, magnessium, and manganess found in the roots, hearts, sap, leaves, and bark of two plants, the short leaf pine and the blackjack oak.
Date: August 1938
Creator: Moore, Carver Yates
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

The Rate of Natural Fermentation of Various Solutions with Regard to Temperature

Description: The purpose of this study is to investigate the rate of natural fermentation of solutions at different temperatures. Whatever microorganisms that chanced to be present in the air and that chanced to fall into the inoculating medium are the ones which brought about fermentation when transferred to the fermentable solution.
Date: August 1938
Creator: Lambert, Frank E.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
Back to Top of Screen