69 Matching Results

Search Results

CHEMISTRY OF +1 IODINE IN ALKALINE SOLUTION

Description: The iodine species formed either by adding hypochlorite to a basic iodide solution or by adding triiodide to sodium hydroxide, was identified as hypoiodite ion. The absorption spectrum of IO{sup -} was investigated in the wavelength range from 450 m{micro} to 280 m{micro}. The kinetics of the reaction I{sup -} + ClO{sup -} = IO{sup -} + Cl{sup -} was studied spectrophotometrically in alkaline solution. The forward rate law was found to be d(IO{sup -})/dt = k(I{sup -})(ClO{sup -})/OH{sup -}. At 25 C and an ionic strength of 1.00 M, k is 61 {+-} 3 sec{sup -1}. It was found spectrophotometrically that for certain ratios of the initial iodide to hydroxide concentrations, there was evidence of the presence of I{sub 3}{sup -}, I{sub 2}OH{sup -}, and I{sub 2}O{sup 2-} along with IO{sup -}. The equilibrium constants between IO{sup -} and these three species were evaluated by a graphical method. The formal potential of the cell: Pt:H{sub 2}:1 M NaOH : 1M NaOH, KI, NaIO : Au was found to be 1.297 v at 25 C. The equilibrium constant, K{sub 2} = (I{sub 3}{sup -})(OH{sup -}){sup 2}/(IO{sup -})(I{sup -}){sup 2}, of the reaction IO{sup -} + 2I{sup -} + H{sub 2}O {l_reversible} I{sub 3}{sup -} + 2OH{sup -} calculated from emf measurements agreed well with that from spectrophotometric measurements. The ionization constant of HOI was calculated to be 2.3 x 10{sup -11} at 25 C.
Date: June 2, 1958
Creator: Chia, Yuan-tsan.
Partner: UNT Libraries Government Documents Department

High-Energy Beta Decay of Light Elements

Description: The beta decay of the radioactive members of the mass-eight and -twelve triads has been studied with a spiral-orbit spectrometer having a 1.3% resolution. The end point, half-life and log-ft values respectively are: for N{sup 12}, 16.37 {+-} 0.06 MeV, 11.43 {+-} 0.05 milliseconds, and 4.17; for B{sup 12}, 13.40 {+-} 0.05 MeV, 20.6 {+-} 0.2 msec and 4.11; for B{sup 8}, 14 MeV (broad), 0.75 {+-} 0.02 sec, and 5.72; and for Li{sup 8}, 13 Mev (broad), 0.87 {+-} 0.01 sec, and 5.67. The mass excesses in millimass units are: for N{sup 12}, 22.48 {+-} 0.06; for B{sup 12}, 18.19 {+-} 0.06; for B{sup 8}, 27.08 {+-} 0.13; and for Li{sup 8}, 24.97 {+-} 0.09. The shapes of the Kurie function for the mirror pairs indicate positron and electron transitions to the same levels of the daughter nuclide, with greater percentages in the positron branches relative to the ground-state transitions because of the higher energy available. The Li{sup 8} and B{sup 8} shapes are consistent with the shape of the alpha spectrum following the decay of the Be{sup 8} daughter. Less than 1% of the Li{sup 8} transition and less than 5% of the B{sup 8} transition go to the Be{sup 8} ground state. Besides the main transition to the broad 2.9-Mev level, a broad level near 11 Mev is probably involved. The ft values and the assumption of J = 0, 2, and 4 levels in Be{sup 8} favor J = 3 for Li{sup 8} and B{sup 8}. The N{sup 12} and B{sup 12} spectra indicate transitions of a few percent to the 4.43- and 7.65-Mev levels in C{sup 12}, with higher levels not excluded. For these nuclides J = 1 is favored. The agreement of the measured end points and resulting Q values with published values shows ...
Date: June 16, 1958
Creator: Vedder, James F
Partner: UNT Libraries Government Documents Department

HIGH INTENSITY LIGHT SOURCES (Part II of Thesis)

Description: A stable carbon arc operated in controlled atmosphere is described. The arc was designed to serve as a light source during lifetime studies of the B/sup 2/ SIGMA state of the CN molecule. The CN radiation from the plasma of the arc was investigated and found to have a brightness temperature of 5500 icient laborato K at lambda 3883 A. This is considerably higher than an estimate of the value required for lifetime measurements. The stability of the carbon arc under various conditions is discussed. For successful lifetime measurements, the light source employed must have a high brightness temperature (intensity). A method for the determination of the brightness temperature of a light source at a specific wave length is described. The method was used for determining the brightness temperatures of some available light sources. Sodium, thallium, and mercury discharge lamps, a medium-pressure mercury arc lamp, and the carbon arc were studied. (auth)
Date: October 1, 1958
Creator: Worden, E.F. Jr.
Partner: UNT Libraries Government Documents Department

Angular Distribution of Photopions From Hydrogen

Description: ABS>An accurate measurement of the differential cross section for the photoproduction of positive pions was made at the Berkeley synchrotron, for photon energies of 280 and 290 Mev. The mesons were produced in a thin-walled liquid hydrogen target, and the meson detection apparatus utilized the characteristic pi -- mu decay of the meson. The measurements were done in two steps, from 0 to 50 deg with equipment specifically designed to reduce a very high positron background, and from 30 to 160 deg with equipment whose efficiency and solid angle could be accurately determined. The experimental results in the small-angle region definitely show the effects of ''photoelectric'' production of pions from the cloud surrounding the nucleon, which are characterized by an abrupt flattening of the cross section in the region forward of 40 deg (c. m.). The results are compared to the theory of photoproduction derived from the dispersion relations, and the sgreement is satisfactory within the limitations of the theory. (auth)
Date: July 1, 1958
Creator: Knapp, E. A.
Partner: UNT Libraries Government Documents Department

Thermal Conductivity and Viscosity of Gas Mixtures

Description: Correlations based upon empirical modified equations derived from kinetic theory were developed for the thermal conductivity and viscosity of gas mixtures. The conductivity equation was compared to 226 binary mixture conductivities in temperatures from 0 to 774 deg C from the literature and this work. The average deviation is 2.1%. In correlating conductivity data of mixtures of polyatomic molecules, the energy transport is considered in two parts, i.e., one protion transferred by collision and the other by diffusion. The proposed viscosity equation reproduces 103 binary data points with an average deviation of 1.3%. These equations are more consistent with experiment than existing correlations in the literature. the relation of the conductivity or viscosity to composition and temperature are discussed in the light of the proposed equations. It has been demonstrated that, at a given composition, the ratio of the measured conductivity to that calculated on the molar average basis for mixtures of most simple molecules and the ratio of the measured viscosity to that calculated on the molar average basis for mixtures of most gases should be nearly constant over a temperature range of 200 to 300 deg C. The thermal conductivity of ten gases and selected binary and ternary mixtures of them were measured in a concentric silver cylinder cell in the temperature range of 100 to 540 deg C The gases are He, A, N/sub 2/, O/sub 2/, CO/sub 2/, CH/sub 4/, C/sub 2/ H/sub 4/, C/sub 3/H/sub 8/, methyl ether , and methyl formats. (auth)
Date: April 1, 1958
Creator: Cheung, H.
Partner: UNT Libraries Government Documents Department

The Relationship of Leadership Experiences in High School to Leadership Participation in Community Activities

Description: The problem of this study was stated in the form of a question: What is the relationship of leadership roles occupied in high school to leadership roles occupied during the first ten post graduate years and what are the possible implications for the improvement of education for leadership? The accepted hypothesis was that the occupying of leadership roles in high school does lay the foundation for occupying community leadership roles.
Date: August 1958
Creator: Marks, Melvin Glenn
Partner: UNT Libraries

A Study of Certain Variabiles and their Implication in the Vocational Rehabilitation Training of Veteran Trainees

Description: When one group of disabled individuals finishes their vocational rehabilitation training programs and another group, almost as large in number, fails to complete their courses one wonders whether there are significant differences in the two groups. The problem in this study is to determine if the two groups differ significantly in certain identifiable characteristics. The identifiable characteristics are some important objective variables that are utilized in the vocational rehabilitation training of disabled veterans.
Date: August 1958
Creator: Mathews, Quinten Snow
Partner: UNT Libraries

An Evaluative Study of Physical Education Activity Programs for Boys in Selected Junior High Schools of Texas

Description: The problem undertaken in this study was to evaluate the activity phase of boys' physical education programs in selected junior high schools of Texas. As a result of visitation and observation in a number of public junior high schools in the capacity of supervising teacher for physical education majors, it appears that many physical education programs were little more than loosely supervised play periods. Apparently there was room for improvement of these programs but a method for making judgments and recommendations required some type of measuring device. However, an examination of several existing measuring techniques failed to reveal any one devoted to the junior high school level or one concerned primarily with the activity program. As a means of improving existing programs, it was concluded that some new form of evaluation must be designed.
Date: August 1958
Creator: Muse, James Milton
Partner: UNT Libraries

Pessimism in Three Major English Poets of the Nineteenth Century

Description: This thesis examines the evidences of pessimism in the poetry of each poet, substantiated when possible by parallel prose writings and other critical and biographical material; and finally, it reaches tentative conclusions about the direction of the change in pessimistic outlook of three poets.
Date: August 1958
Creator: Simms, Bobbie Gwen
Partner: UNT Libraries

The Growth of the Canadian Oil Industry

Description: The purpose of the investigation is to present--chronologically, whenever possible--the growth of the Canadian oil industry from the days of earliest discovery to the present, with an eye on both historical growth and potential development.
Date: 1958
Creator: Stanley, Philip Arnold
Partner: UNT Libraries

The Morality and Wit of Congreve and Sheridan in the Comedy of Manners

Description: Considering the comedies of the Restoration, and those of Congreve in particular, as the prototype of the comedy of manners and as the model for Sheridan later to revive and emulate, this thesis proposes to point out how the concepts of morality and wit have been a major obstacle to literary critics in analyzing the comedy of manners from its very beginnings, to discuss morality and wit as the basis of a proper evaluation of the comedy of manners both from the standpoint of seventeenth-century precepts and those of a century later, and, finally, to show how, during the early periods in which the comedy of manners flourished,--that of Congreve, 1693-1700; and of Sheridan, 1775-1779--morality and wit were modified and used to suit the divergent sociological and psychological conditions of each period.
Date: 1958
Creator: Williams, Samuel Richard
Partner: UNT Libraries

A Comparison of Personality Traits Between Orphanage and Non-orphanage Children

Description: To detect possible adjustment problems and in attempting to identify the areas of maladjustment from which a child may be suffering, the writer administered the California Test of Personality; a test of personality measurement and observation taken from a subjective frame of reference.
Date: 1958
Creator: Biggerstaff, Edwin Levi
Partner: UNT Libraries

A Survey to Determine Current Practices and Procedures in Counseling in Residential Treatment Centers for Emotionally Disturbed Children

Description: Since this is a survey to determine the current practices and procedures of counseling in residential treatment centers for emotionally disturbed children, the problem of this study may be stated as follows: (1) to review related literature in the field of counseling and guidance in order to determine the best educational thought as to what constitutes a good counseling program; (2) by means of a survey in the form of a questionnaire, to determine what is actually being done in counseling work in established residential treatment centers for disturbed children; (3) to determine, from information received, good counseling work practices for treating emotionally disturbed children.
Date: 1958
Creator: Blair, William B.
Partner: UNT Libraries

Background Variables Affecting the Clothing Interests of High School Girls in Metropolitan Groups

Description: Using the data collected in the CYS (5), it is the purpose of the present study to show the relationships of certain background variables to the clothing interests of high school girls in metropolitan groups. Specifically, it proposes to answer the question, does the student's age, the number of siblings, the father's education, or the father's occupation influence these interests?
Date: 1958
Creator: Boswell, Mary Middleton
Partner: UNT Libraries

John Playford and His Introduction to the Skill of Musick

Description: To provide a background for this study, an attempt has been made to correlate the facts known about Playford's life and work. The examination of the treatise has two main objectives: 1. to give an exposition of the material presented by Playford (which includes not only theory of music with examples, but also instructions on singing and on playing the viol and the violin, as well as a number of musical compositions); and 2. wherever possible, to discover the sources used by Playford in writing the treatise.
Date: 1958
Creator: Carapetyan, Leon F.
Partner: UNT Libraries

The Relationship of Individual Choice Status to Severity of Personal Problems

Description: The present study is intended to be, as far as possible, an exhaustive examination of sociometric status groupings in regard to the way in which members of the group rate themselves and the others in their groups concerning happiness, problems and worry.
Date: 1958
Creator: Cooley, C. Ewing
Partner: UNT Libraries

English Pastoral Drama, 1580-1642

Description: It will be the purpose of the remaining chapters of this thesis to trace the characteristics and conventions of the pastoral as they can be observed in specific bucolic works from various writers of various nationalities and ultimately examine specific examples of English pastoral drama in light of these conventions and characteristics.
Date: 1958
Creator: Fulwiler, Lavon Buster
Partner: UNT Libraries

The Influence of the Concerns of Metropolitan Negro High School Girls on their Curriculum Interest in Money Management

Description: The purpose of the present study is to determine whether or not the metropolitan Negro girl's concerns and attitudes are factors in her interest in curriculum items of money management. The concerns and attitudes include authoritarian discipline, family tensions, resentment to family life style, financial troubles, family problems, self inadequacy, personal adjustment, and resentment to dependency.
Date: 1958
Creator: Haynes, Ethel Britt
Partner: UNT Libraries