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Articles 21841 - 21870 of 22357
Full-Text Articles in Entire DC Network
Temperature Dependence Of Elastic Constants Of Silver-Antimony Single Crystals, Daniel Paul Gaffaney
Temperature Dependence Of Elastic Constants Of Silver-Antimony Single Crystals, Daniel Paul Gaffaney
Theses and Dissertations
No abstract provided.
A Description Of The Status Of Science In The High Schools Of The United States, James B. Lehr
A Description Of The Status Of Science In The High Schools Of The United States, James B. Lehr
Theses and Dissertations
No abstract provided.
Mollusks From Wisconsinan (Pleistocene) Ice-Contact Sediments Of The Missouri Coteau In Central North Dakota, Samuel J. Tuthill
Mollusks From Wisconsinan (Pleistocene) Ice-Contact Sediments Of The Missouri Coteau In Central North Dakota, Samuel J. Tuthill
Theses and Dissertations
This thesis here abstracted was written under the direction of Frank D. Holland, Jr. and was approved by Wilson M. Laird and George C. Wheeler as members of the examining committee, of which Dr. Holland was Chairman.
Geologic and paleontologic evidence indicates that numerous mesotropic, temperate, water bodies were present while drift-covered bloacks of stagnant glacier ice, unplaced during Woodfordian (late Wisconsinan, Pleistocene) time, underlay the Missouri Coteau district (approximately 50 by 300 miles in extent) in central North Dakota.
Fossil mollusks, contained in sediments deposited in contact with the stagnant ice at 40 sites, are represented by 23 species …
An Appraisal Of The Business Curriculum Of The College Of Great Falls, Great Falls, Montana, 1952-1962, Helen Paula, Sister Grant
An Appraisal Of The Business Curriculum Of The College Of Great Falls, Great Falls, Montana, 1952-1962, Helen Paula, Sister Grant
Theses and Dissertations
No abstract provided.
The Effect Of No Warm-Up, Related Warm-Up And Unrelated Warm-Up On The Performance Of The Baseball Throw For Accuracy And Distance, James L. Webb
The Effect Of No Warm-Up, Related Warm-Up And Unrelated Warm-Up On The Performance Of The Baseball Throw For Accuracy And Distance, James L. Webb
Theses and Dissertations
No abstract provided.
Fourier Series, Robert R. Bruhschwein
The Travel Of Synthetic Detergents In Soils And Ground Waters Near Sewage Lagoons, John F. Alleman
The Travel Of Synthetic Detergents In Soils And Ground Waters Near Sewage Lagoons, John F. Alleman
Theses and Dissertations
No abstract provided.
A Kinetic Study Of The Mechanism And Specificity Of [Alpha]-Chymotrypsin, Hung Suen Lee
A Kinetic Study Of The Mechanism And Specificity Of [Alpha]-Chymotrypsin, Hung Suen Lee
Theses and Dissertations
No abstract provided.
The Structural And Stratigraphic Relationships In The Paleozoic Rocks Of Eastern North Dakota, Frederick V. Ballard
The Structural And Stratigraphic Relationships In The Paleozoic Rocks Of Eastern North Dakota, Frederick V. Ballard
Theses and Dissertations
The thickness and areal extent of the commonly defined Paleozoic rock units in eastern North Dakota has been determined by a study of mechanical well logs. Isopachous wops of these units reveal several positive areas which persisted and influenced sedimentation and unit thickness throughout most of the Paleozoic Era. Precambrian topographic highs of either erosional or structural origin produced those influences in early Paleozoic time, whereas later effects resulted from periodic structural rejuvenation of the original highs. The activity of those highs appears to be related to the location of the basin depocenter. The most prominent highs were in Cavalier, …
Pelecypoda From The Lower Fox Hills Formation (Upper Cretaceous) Of Emmons County, North Dakota, Rodney M. Feldmann
Pelecypoda From The Lower Fox Hills Formation (Upper Cretaceous) Of Emmons County, North Dakota, Rodney M. Feldmann
Theses and Dissertations
The Fox Hills Formation in Emmons County, North Dakota, consists of 250-350 feet of medium to fine grained sand and sandstone with some shale interbeds. In Emmons County, the four members, Trail City, Timer Lake, Bullhead, and Colgate are not as distinct lithologically as they are in the areas from which they were described; thus, the unit has been subdivided into a lower part consisting of crossbedded sand and sandstone with calcareous, fossiliferous concretions and an upper part consisting of interbeds of buff sand and chocolate shale.
The gradational change from Pierre Shale lithology to the sands of the overlying …
The Hall Effect And Its Application In An Analog Multiplier, Donley J. Winger
The Hall Effect And Its Application In An Analog Multiplier, Donley J. Winger
Theses and Dissertations
No abstract provided.
Directional Derivatives, Irving D. Thompson
Directional Derivatives, Irving D. Thompson
Theses and Dissertations
No abstract provided.
A Study Of The Variation Of Temperature With Time In A Transistor, And Certain Resulting Effects On Transistor Performance, Larry F. Mattson
A Study Of The Variation Of Temperature With Time In A Transistor, And Certain Resulting Effects On Transistor Performance, Larry F. Mattson
Theses and Dissertations
No abstract provided.
An Analysis Of The Theory And Practice Of Worship In The Church Of Jesus Christ Of Latter-Day Saints, John Franklin Heidenreich
An Analysis Of The Theory And Practice Of Worship In The Church Of Jesus Christ Of Latter-Day Saints, John Franklin Heidenreich
Theses and Dissertations
The concept of worship projected in this study is the broad Isaiah pattern of worship of awareness of God, restructuring of the life of the individual, and dedication of the worshiper in service. From this concept, standards of worship are set forth by which Latter-day Saint worship is evaluated.
A Parametric Study Of The Heat Transfer Characteristics Of A Moving Band Heat Exchanger, Larry Hyde Brim
A Parametric Study Of The Heat Transfer Characteristics Of A Moving Band Heat Exchanger, Larry Hyde Brim
Theses and Dissertations
In recent years much attention has been devoted to the development of efficient heat exchangers. The regenerative or moving matrix heat exchanger is one type which has been considered. Most regenerative heat exchangers use one of the conventional types of high area matrices mounted in a drum or disk in such a manner that it can be moved in a continuous cycle from a cold fluid stream to a hot fluid stream and back again. A rather different approach to the design of a regenerative heat exchanger which has been patented in this country is a set of flexible moving …
Kinetic Investigation Of The Hydrochlorination Of Olefins In Aprotic Solvents And Sulfonation Of Idobenzene And The Selectivity Relation, Thomas Glen Davies
Kinetic Investigation Of The Hydrochlorination Of Olefins In Aprotic Solvents And Sulfonation Of Idobenzene And The Selectivity Relation, Thomas Glen Davies
Theses and Dissertations
Kinetic investigation of the hydrochlorination of cyclohexene and cis-2-butene in n-heptane with SnCl4 as catalyst shows that the reaction is second order with respect to both olefin and catalyst. The specific rate constants at 25° , 0° and -23.8°C and the activation parameters were determined. Investigation of the Ga2Cl6 catalyzed hydrochlorination of cyclohexene and cis-2-butene in dichloromethane indicates that alkylation and polymerization compete with the hydrochlorination reaction in the presence of the solvent. The relative reaction rates and the isomer distribution for the sulfonation of iodobenzene by S35O3 have been determined in refluxing SO2 at -10°C. The reaction resulted in …
Sulfonation Of Chlorobenzene And The Selectivity Relation ; Bromine Addition To Cyclohexene In Dichloromethane ; Thorpe's Synthesis Of The Caged Acid, 4-Methyltricyclo[1.1.0.0[Superscript 2-4]] Butane-1,2,3-Tricarboxylic Acid, John A. Gurney
Theses and Dissertations
Aromatic sulfonation and some substitution reactions of chlorobenzene show deviations in the selectivity relation. A determination of chlorobenzene sulfonation provided the following rate ratio relative to benzene and partial rate factors: 1.0, [---] of 0.064 , mf 1.7 and pf 4. 2. Our work, Olah's nitration, Ferguson's bromination and Stock's chlorination define a new relation that can be express by adding an entropy term (A) to the selectivity relation. We determined the rate of bromine-cyclohexene addition in dichloro-methane at 0° to provide a basis for a systematic variation of solvents at low temperature. An unusual zero-order reaction was encountered. The …
A Follow-Up Study Of Business Education Majors Who Graduated With B.S. Degrees From The State Teachers College At Minot During The Years 1956-1961, Gayle A. Sobolik
A Follow-Up Study Of Business Education Majors Who Graduated With B.S. Degrees From The State Teachers College At Minot During The Years 1956-1961, Gayle A. Sobolik
Theses and Dissertations
No abstract provided.
Dissertation In Organic Chemistry. Part I, The Fate Of The Anilino Moiety In The Rearrangement Of Α-Anilonoketones. Part Ii, Partial Rate Factors For Sulfonation Of Bromebenzene With Sulfur Trioxide. Part Iii., Preliminary Survey On The Effect Of High Pressure On Ferrocene And Cycloöctatetraene, Jerold Carter Robertson
Theses and Dissertations
Part I. The rearrangement of α-anilinoketones was studied in an effort to determine the mode of movement of the nitrogen moiety. A crossover experiment was carried out with an equimolar mixture of 2-(4- bromoanilino)-1-(4-bromophenyl)-2-(4-methoxyphenyl) ethanone and 2-(4-chloroanilino)-1-(4-chlorophenyl) -2-(4-methoxyphenyl)ethanone with γ- picoline hydrobromide as the catalyst. The reaction product was analysed by means of a mass spectrograph. The results of the analysis indicate a crossover of the nitrogen moiety during rearrangement. This indicates that the nitrogen moiety moves in an intermolecular manner during the rearrangement. Part II. The isomer distribution from the sulfonation of bromobenzene with sulfur trioxide was determined by …
Stress Analysis Of An Infinite Cylinder With An Irregular Shaped Cavity Using Complex Variable Techniques, Gerald H. Lindsey
Stress Analysis Of An Infinite Cylinder With An Irregular Shaped Cavity Using Complex Variable Techniques, Gerald H. Lindsey
Theses and Dissertations
The advancement of modern technology has brought with It a demand upon the engineer for more thorough analysis techniques. This has been precipitated by the advent of missiles and space-craft that do not permit regular inspections to determine causes of failure, crack propagation, design weaknesses, etc. Thus, a more complete analytical work must be performed to facilitate a foreknowledge of reaction and performance of a particular design to its environment.
Effect Of Manganese Deficiencies Of Synthesis Of Heart And Liver Mitochondria Phospholipids, Kwame Buahene
Effect Of Manganese Deficiencies Of Synthesis Of Heart And Liver Mitochondria Phospholipids, Kwame Buahene
Theses and Dissertations
No abstract provided.
A Literature Review Covering The Effect Of Residual Stresses On Fatigue Strength Of Steel, Clarence A. Calder
A Literature Review Covering The Effect Of Residual Stresses On Fatigue Strength Of Steel, Clarence A. Calder
Theses and Dissertations
Fatigue fracture usually is defined as the failure of a part at a stress below its breaking stress due to repetitive loading conditions. It is now a well known fact that a part, designed for a maximum stress well below the yield point of the material, may be very apt to fail under cyclic loading conditions over a period of time. The metal appears to "wear out" after a time just like humans do and fatigue failure occurs. Metal fatigue may be contrasted to animal fatigue in that l) its detection before the latter stages is normally difficult if not …
Conflicting Opinions In Teaching The Slow Learner In Vocational Business Education--As Revealed In The Literature, Virgil D. Gehring
Conflicting Opinions In Teaching The Slow Learner In Vocational Business Education--As Revealed In The Literature, Virgil D. Gehring
Theses and Dissertations
No abstract provided.
An Investigation Of Coulometric Methods Of Analysis Of 1,1-Dimethylhydrazine, David M. Creighton
An Investigation Of Coulometric Methods Of Analysis Of 1,1-Dimethylhydrazine, David M. Creighton
Theses and Dissertations
The oxidation of 1,1-dimethylhydrazine by bromine has been studied using a coulometric method of bromine generation, and a dual intermediate system of bromide and cupric ions in solution. The system allowed over-generation of bromine and back-titration by cupric ion. The results of the investigation showed that the mechanism of oxidation is not fixed, but is a function of the concentration of bromine in the solution at any time. Additional studies have been recommended, whereby the mechanisms of the reactions may be determined.
The Aerodynamic Drag Of Spheres, Leon Rouzelle Scott
The Aerodynamic Drag Of Spheres, Leon Rouzelle Scott
Theses and Dissertations
A literature survey was conducted to determine the factors which affect aerodynamic drag of spheres. Graphs are presented which show the effect of each variable where such information was available. Equipment was designed and built for the purpose of studying the effects of acceleration on the aerodynamic drag of spheres. Special emphasis was placed on the measurement and control of each of the other variables which can affect the drag. Tests were conducted using large spheres in air and water to show that the method presented can produce a valid determination of the drag coefficients. The numerical values of the …
The Relationship Of Abstract Painting And Drawing To Nature, Willis W. Nelson
The Relationship Of Abstract Painting And Drawing To Nature, Willis W. Nelson
Theses and Dissertations
No abstract provided.
A Follow-Up Study Of The Brussels, Wisconsin High School Secretarial Training Graduates And Their Employers From 1959 Through 1961, Charles C. Walejko
A Follow-Up Study Of The Brussels, Wisconsin High School Secretarial Training Graduates And Their Employers From 1959 Through 1961, Charles C. Walejko
Theses and Dissertations
No abstract provided.
A Comparative Study Of Business Education In The Public Secondary Schools In Tennessee, Theaoster C. Morgan
A Comparative Study Of Business Education In The Public Secondary Schools In Tennessee, Theaoster C. Morgan
Theses and Dissertations
No abstract provided.
A Follow-Up Study Of The P.J. Jacobs High School, Stevens Point, Wisconsin, Business Education Graduates For The Years 1959, 1960, And 1961, Donald F. Zandi
A Follow-Up Study Of The P.J. Jacobs High School, Stevens Point, Wisconsin, Business Education Graduates For The Years 1959, 1960, And 1961, Donald F. Zandi
Theses and Dissertations
No abstract provided.
Contour Integration, Howard A. Larson