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Articles 47581 - 47610 of 47969
Full-Text Articles in Entire DC Network
A Study Of The Arithmetical Computational Errors In The Seventh And Eighth Grades In Eleven Schools In Mclean County, Chester W. Seivert
A Study Of The Arithmetical Computational Errors In The Seventh And Eighth Grades In Eleven Schools In Mclean County, Chester W. Seivert
Theses and Dissertations
No abstract provided.
An Investigation Of Phosphate Adsorption By The Clays Montmorillonite And Kaolinite /|Cby Gordon Richard Bradford, G. R. Bradford
An Investigation Of Phosphate Adsorption By The Clays Montmorillonite And Kaolinite /|Cby Gordon Richard Bradford, G. R. Bradford
Theses and Dissertations
Clay minerals have widespread application in industry and play an important role in plant life (2, 17). It is the adsorptive capacity of clay which determines largely its importance to man (2). The purpose of this investigation is to interpret the mechanism of adsorption of the phosphate anion by the two clay minerals montmorillonite and kaolinite. This particular system was singled out for two reasons: 1. It has agricultural significance. 2. It is believed that if the particular phosphate adsorption mechanism is understood it will aid in an understanding of many other adsorption phenomena associated with clay.
A Study Of Fossil Resins In Huntington Canyon Coal, Ross D. Gardner
A Study Of Fossil Resins In Huntington Canyon Coal, Ross D. Gardner
Theses and Dissertations
The object of this investigation was to determine whether or not a certain sample of raw resin, collected by Mr. Adriaan Nagelvoort from coal from Huntington Canyon, Emery County, Utah, could be separated into more than one fraction with each fraction having distinctly different properties. Three methods of separation were attempted: (l) Separation of specific gravity fractions, (2) separation by use of solvents, and (3) chromatographic separation. Properties determined as a means of establishing any differences in the resins were: solubility, softening points, acid numbers, and iodine numbers.
In-Service Student Teaching In North Dakota During The Year Of 1946-1947, Paul Gerald Kraig
In-Service Student Teaching In North Dakota During The Year Of 1946-1947, Paul Gerald Kraig
Theses and Dissertations
No abstract provided.
Administrative Practices In Fully Accredited School Of North Dakota, Norman L. Iverson
Administrative Practices In Fully Accredited School Of North Dakota, Norman L. Iverson
Theses and Dissertations
No abstract provided.
Personnel Standards And Salary Scales For Professional Social Work Positions Existing In The County Welfare Agencies Of Selected States, Ole Tibert Omlid
Personnel Standards And Salary Scales For Professional Social Work Positions Existing In The County Welfare Agencies Of Selected States, Ole Tibert Omlid
Theses and Dissertations
No abstract provided.
The Carbethoxylation Products Of P-Aminoacetophenone And P-Dimethylaminoacetophenone, Chao-Yuan Chu
The Carbethoxylation Products Of P-Aminoacetophenone And P-Dimethylaminoacetophenone, Chao-Yuan Chu
Theses and Dissertations
The carbethoxylation product of p-aminoacetophenone with diethyl carbonate by means of sodium amide has been proved to be ethyl p-acetylphenylcarbamate instead of ethyl p-aminobenzoylacetate. Thus the amino group was shown to be more active than the methyl ketonic. group tow ard carbethoxylation. Attempt at further carbethoxylation of this carbamate were unsuccessful.
A Study Of Chromatographic Adsorption Analysis And Its Application To Inorganic Qualitative Analysis, Sidney Marion Beck
A Study Of Chromatographic Adsorption Analysis And Its Application To Inorganic Qualitative Analysis, Sidney Marion Beck
Theses and Dissertations
This work is a study of the analytical applications of the chromatographic method, particularly as applied to inorganic qualitative analysis. It is divided into four parts as follows: (a) The main part of the work is a search of the common laboratory reagents, likely to be found in any beginning qualitative analysis laboratory, with the purpose of finding the best reagents for developing an invisible chromatogram on an adsoption column of activated alumina. For the most part, only inorganic reagents were used, but in special cases, a few of the more common orgaic reagents were used. (b) An evaluation of …
Industrial Utilization Of Humic Acids From Lignite, George H. Lawler
Industrial Utilization Of Humic Acids From Lignite, George H. Lawler
Theses and Dissertations
No abstract provided.
A Community Study Of Social Change In Goshen, Clark S. Knowlton
A Community Study Of Social Change In Goshen, Clark S. Knowlton
Theses and Dissertations
During the last two years, the author in the course of fulfilling class requirements in the Department of Sociology made a series of investigations into the social, economic, and political aspects of several towns and villages in Utah and Idaho. As a result, an interest developed in the process of social change within the social structure. Therefore, as a thesis problem, a community study of a small Mormon village analyzing social change in the institutions and mores was selected.
Influence Of Geographic Factors On The Red River Valley Potato Industry, Eino R. Aho
Influence Of Geographic Factors On The Red River Valley Potato Industry, Eino R. Aho
Theses and Dissertations
No abstract provided.
An Evaluation Of Recent Reading Series, Winifred R. Conroy
An Evaluation Of Recent Reading Series, Winifred R. Conroy
Theses and Dissertations
No abstract provided.
History Of School District Number One, Lucy Kidder Loebrick
History Of School District Number One, Lucy Kidder Loebrick
Theses and Dissertations
No abstract provided.
Current Prophylactic And Therapeutic Problems In Intercollegiate Football, Joseph Patrick Dolan
Current Prophylactic And Therapeutic Problems In Intercollegiate Football, Joseph Patrick Dolan
Theses and Dissertations
No abstract provided.
The Educational Theories Of Wordsworth And Rousseau, Helen Genevieve Parks Girard
The Educational Theories Of Wordsworth And Rousseau, Helen Genevieve Parks Girard
Theses and Dissertations
No abstract provided.
The Financing And Administration Of North Dakota School Bands, Walton B. Myhrum
The Financing And Administration Of North Dakota School Bands, Walton B. Myhrum
Theses and Dissertations
No abstract provided.
Characteristics Of Certain Teachers Accepted By Graduates As Evidence Of Good Teaching, M. Adeline Olson
Characteristics Of Certain Teachers Accepted By Graduates As Evidence Of Good Teaching, M. Adeline Olson
Theses and Dissertations
No abstract provided.
An Evaluation Of Health Textbooks, Elton H. Skarperud
An Evaluation Of Health Textbooks, Elton H. Skarperud
Theses and Dissertations
No abstract provided.
The Development Of Summer Recreation By The Washington State Department Of Education, Wallace E. Blore
The Development Of Summer Recreation By The Washington State Department Of Education, Wallace E. Blore
Theses and Dissertations
No abstract provided.
Effects Of World War Ii On Ten Minnesota High School Districts Of Similar Size And Character, J. Russell Simcox
Effects Of World War Ii On Ten Minnesota High School Districts Of Similar Size And Character, J. Russell Simcox
Theses and Dissertations
No abstract provided.
A Guide For Boy's Physical Education In The Grand Forks Public High Schools, Glenn S. Hubbard
A Guide For Boy's Physical Education In The Grand Forks Public High Schools, Glenn S. Hubbard
Theses and Dissertations
No abstract provided.
Emotional And Personality Adjustment Of Public School Children, John Harold Mcfadden
Emotional And Personality Adjustment Of Public School Children, John Harold Mcfadden
Theses and Dissertations
No abstract provided.
Post Graduation Plans Of High School Students, Robert L. Boyd
Post Graduation Plans Of High School Students, Robert L. Boyd
Theses and Dissertations
No abstract provided.
The Role Of The Universities In The Preparation Of Industrial Arts Teachers, Andrew Woodrow Hull
The Role Of The Universities In The Preparation Of Industrial Arts Teachers, Andrew Woodrow Hull
Theses and Dissertations
No abstract provided.
Library Facilities In The Fully Accredited High Schools In Mchenry County, N. Dak., Joy A. Sime
Library Facilities In The Fully Accredited High Schools In Mchenry County, N. Dak., Joy A. Sime
Theses and Dissertations
No abstract provided.
The Preparation Of Certain Organic Chloroformates And Carbonates, Robert E. Brailsford
The Preparation Of Certain Organic Chloroformates And Carbonates, Robert E. Brailsford
Theses and Dissertations
This brief discussion and research paper attempts to correlate a large portion of the information about the preparation of known organic chloroformates and carbonates, to point out the present and possible future uses of these compounds, and to contribute some information concerning the preparation of a number of the organic carbonates. A comparison of the different methods of preparation is made.
Audio-Visual Aids For The Modern High School, Melvin E. Kazeck
Audio-Visual Aids For The Modern High School, Melvin E. Kazeck
Theses and Dissertations
No abstract provided.
Secondary Education In Iceland, Asa Jonsdottir
Secondary Education In Iceland, Asa Jonsdottir
Theses and Dissertations
No abstract provided.
Physical Education In North Dakota High Schools, Grace O. Rhonemus
Physical Education In North Dakota High Schools, Grace O. Rhonemus
Theses and Dissertations
No abstract provided.
Leisure Time Activities Of Students In Representative High School Of North Dakota, Marino Olafur Olafson
Leisure Time Activities Of Students In Representative High School Of North Dakota, Marino Olafur Olafson
Theses and Dissertations
No abstract provided.