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Articles 695971 - 696000 of 700075
Full-Text Articles in Entire DC Network
Problems Encountered In The Development Of An Airport, A. H. Armstrong
Problems Encountered In The Development Of An Airport, A. H. Armstrong
Theses
The progress of a nation and. its transportation facilities have always advanced hand in hand.
Just as it has always beerthe Civil Engineer's problem to develop facilities for other means of transportation, such as roads, harbors, and. railroad terminals, so is it his problem today to build airports.
In presenting the problems encountered in the development of an airport, the writer has considered the airport's place in city and regional planning, as well as the part it plays in air transportation.
An expression of thanks is given to Mr. Wm. S. La Londe, Jr., professor in Civil Engineering at the …
A Study Of Some Species Of Pediastrum And Scenedesmus, Irene Cull
A Study Of Some Species Of Pediastrum And Scenedesmus, Irene Cull
Bachelors’ Theses
Although regarded by the untrained observer as slime, filth and scum, algae are fascinating to the botanist who has become interested in them. Algae are found everywhere; they are our commonest water plants. Among the green algae we have some of the most beautiful and fascinating forms in the plant kingdom and undoubtedly Pediastrum and Scenedesmus, the two genera studied, are among the most beautiful of all.
The Recovery Of Copper In Sulphide Ores By Roasting, Leaching, And Electrolysis, Jack S. Greenough
The Recovery Of Copper In Sulphide Ores By Roasting, Leaching, And Electrolysis, Jack S. Greenough
Bachelors Theses and Reports, 1928 - 1970
Sulphide ores of copper are insoluble in dilute sulphuric acid leaching solutions, but a very high extraction can be obtained if the copper ore is in the oxidized condition. The problem is to convert the sulphide into the oxide form. This can be done by giving the sulphide ore an oxidizing-sulphatizing roast. Copper sulphate is soluble in water, so acid will be saved in the leaching process if copper sulphate is present. The iron in the copper sulphide ores is present as pyrite, or in combinations as bornite, or chalcopyrite.
The Effect Of The Fe2: Fe3 Ratio Upon The Current Efficiency In The Electrolysis Of A Copper Sulfate Solution Containing Iron Sulfate, Roy Macfarland
The Effect Of The Fe2: Fe3 Ratio Upon The Current Efficiency In The Electrolysis Of A Copper Sulfate Solution Containing Iron Sulfate, Roy Macfarland
Bachelors Theses and Reports, 1928 - 1970
In the treatment of copper ores by hydro-electro-metallurgical methods, not only is copper deposited, but other metals are also dissolved. In practice it has been found* that iron, under certain conditions, causes the copper to deposit on the cathode as a nonadherent precipitate and also that the iron in solution causes a great decrease in current efficiency, especially when the electrolysis is conducted by operating with a higher current density at the cathode than at the anode.
The present investigation deals with the effects of the two valences of iron on the current efficiency and endeavors to determine whether or …
Some Notes On The Composition Of "Copper Pitch", Richard R. Matthew
Some Notes On The Composition Of "Copper Pitch", Richard R. Matthew
Bachelors Theses and Reports, 1928 - 1970
A supply of so-called "copper pitch" ore was received by the Montana Bureau of Mines and Geology in response to a request by them from a resident of Kalispell, who had previously sent a specimen to the Bureau for a mineralogical analysis.
Since this material was little known and had apparently received but little study under a reflecting microscope, it was thought that such a study might throw some light on the mineralogical and chemical composition of the material.
The Aplitic Body Bordering Roosevelt Drive South Of Butte, Montana, Edward B. Trueworthy Jr.
The Aplitic Body Bordering Roosevelt Drive South Of Butte, Montana, Edward B. Trueworthy Jr.
Bachelors Theses and Reports, 1928 - 1970
The area studied consists of a large body of aplite situated 12 miles south of Butte. It extends eastward almost to the Butte-Pipestone road, southward to Lime Kiln Hill and westward a distance of 3000 feet.
The petrographic work was supplemented by a map of the area. Special attention was given to those frequent "Limonite Specks" found in the aplite.
Joint Planes In The Rhyolites Of The Butte District, Montana, John B. Hopkins
Joint Planes In The Rhyolites Of The Butte District, Montana, John B. Hopkins
Bachelors Theses and Reports, 1928 - 1970
The problem herein discussed deals with the pointing planes found in the area of rhyolite located in the northwestern portion of the Butte District. The question to be determined was whether or not the pointing planes in the rhyolites could be classified with the Butte Ore fissure systems.
A Bentonite Deposit Near Warm Springs, Montana, R. H. Larson
A Bentonite Deposit Near Warm Springs, Montana, R. H. Larson
Bachelors Theses and Reports, 1928 - 1970
This report deals with a bentonite deposit recently developed, approximately seven miles northeast of Warm Springs, Montana. A group of claims have been staked on the deposit and are owned by the Lincoln Mining Company of Anaconda, Montana. The company also has several claims prospected for silver one mile from its present site of operations, but the silver prospects have failed to produce. The bentonite deposit was discovered incidentally during the course of other development work, and at present two adits have been driven into the side of a mountain, each crosscutting a vein-like mass of bentonite varying from two …
The Teaching Of Art In The Public Schools, Emma Dorothy Hamann
The Teaching Of Art In The Public Schools, Emma Dorothy Hamann
Bachelors’ Theses
We are in the midst of a vigorous and widespread reform movement in educational methods. The great aims of the new trends are creative self-expression and development of a tolerant adaptation to environment. In contrast to uniformity, standardization, and conformity to ideas of others, the twentieth century philosophy emphasizes confident affirmation or the importance of self, uniqueness and originality. Development of technique becomes a means toward an end, not an end in itself. The new education seeks to evoke and to build upon the urge to create. Hughes Mearns so fittingly stated, "It cannot be summoned. It can only be …
Twenty Men Of Browning, M Charlotte Bryan
Twenty Men Of Browning, M Charlotte Bryan
Electronic Theses & Dissertations
No abstract
Extra-Legal Control Of High School Interscholastic Athletics In Indiana, J. Ord Fortner
Extra-Legal Control Of High School Interscholastic Athletics In Indiana, J. Ord Fortner
All-Inclusive List of Electronic Theses and Dissertations
No abstract provided.
A Merger Plan For Twenty-One Rural School Districts In Burke County, North Dakota, Edwin C. Johnson
A Merger Plan For Twenty-One Rural School Districts In Burke County, North Dakota, Edwin C. Johnson
Theses and Dissertations
No abstract provided.
The Negro Standard Of Living In St. Louis, Joseph Berdichevsky Borus
The Negro Standard Of Living In St. Louis, Joseph Berdichevsky Borus
Retrospective Theses and Dissertations
Collections on this site are presented for their historic and research value. Viewers may find objectionable content. See the Libraries' Harmful Language Statement for more information.
Safety Education In The Elementary Grades, Lilly E. Schaefer
Safety Education In The Elementary Grades, Lilly E. Schaefer
Bachelors’ Theses
It i the primary purpose of the school to enable the oncoming generation to adjust itself to the natural and social environment in which it must live and work. Managers of large industries are realizing more and more that the problem of industrial safety will not be solved until the idea of safety has been incorporated into the community life, that is; until safety instruction is given in the schools, and until safety is established in the thought and life of the people on the same basis as good health. The fact that two-thirds of all the accidental deaths occur …
The Forward Pass In Football, Philip F. Murphy
The Forward Pass In Football, Philip F. Murphy
Bachelors’ Theses
This is a brief account of the Forward Pass and the part it plays in modern football. It is the study of conditions as they are today and as they were yesterday.
The Teaching Of Geography In The Elementary School With Emphasis On The Grammar Grades, Mildred Wallick Solberg
The Teaching Of Geography In The Elementary School With Emphasis On The Grammar Grades, Mildred Wallick Solberg
Bachelors’ Theses
Successful work in geography means the acceptance, on the part of the teacher, of a definite concept of geography. Modern geography is the study of relationships which exist between human life and the natural environment. It is a study of the ways in which Man adjusts himself to the varied conditions of the natural environment.
English Didactic Books Of Manners, Margie Mary Schumacher
English Didactic Books Of Manners, Margie Mary Schumacher
Bachelors’ Theses
The purpose of this thesis is to collect and investigate material in order to determine the evolution of the didactic books of manners written by two authors of the middle of the 16th century, namely: "The Scholemaster" written by Roger Ascham, and "Euphues" written by John Lyly, to analyze their functions as didactic works in the literary field, to determine their influence upon literary successors, also to reveal their influence upon the people of the time, their idea of a gentleman. In short, the object of this thesis is to show that these two books were of a pedagogical nature …
Arithmetical Progressions, Frances Agnes Scherkenbach
Arithmetical Progressions, Frances Agnes Scherkenbach
Bachelors’ Theses
Of the origin and the methods of treatment very little is known. The arithmetic and geometric progression first attracted attention after the Greeks had brought into prominence the harmonic series. The term ’series’ is derived from the Greek, while the term’ progression’ is derived from the Latin. The latter term was used most prominently until the seventeenth century, during which period the writers seemed to prefer the term "series" which is now mosy [sic] generally used.
The Dramatic Criticism Of John Dryden, Allen A. Gahl
The Dramatic Criticism Of John Dryden, Allen A. Gahl
Bachelors’ Theses
The purpose of this work is to acquaint the reader with the ideas . presented by John Dryden in his dramatic criticism. In the pursuit of the material for this thesis. the writer has carefully perused and investigated the dramatic criticism of John Dryden. Following this study of said literary products, this material was assembled in such a way as to set forth clearly the value of John Dryden as a dramatic critic. Hence, since the subject matter of said thesis ie merely "dramatic criticism", dramas and prefaces which do not particularly show Dryden's criticism as well as poems, essays …
Case Studies Of Advertising Methods, William L. Smith
Case Studies Of Advertising Methods, William L. Smith
Bachelors’ Theses
The purpose of this thesis is to analyze some of the methods of sales and advertising which has proved successful for certain selected clothing merchants of Milwaukee.
The Conflict Between Stoicism And Epicureanism In The Odes Of Horace, Hattie Stern
The Conflict Between Stoicism And Epicureanism In The Odes Of Horace, Hattie Stern
Bachelors’ Theses
In this thesis my problem is to point out the conflict between the Stoic and Epicurean philosophy as found, in the four books of Odes of Horace and decide which school Horace agrees with on various points. As a conclusion I shall attempt to place Horace in his proper place as far as I can judge from his Odes.
Values To Be Derived From A Study Of Biology, Florence J. Kane
Values To Be Derived From A Study Of Biology, Florence J. Kane
Bachelors’ Theses
My problem was to discover what scientists, educators, and people interested in the teaching of biology considered the most important values to be derived from a, study of this subject.
Play In Education, Mary Gratiana Mcparland
Play In Education, Mary Gratiana Mcparland
Bachelors’ Theses
There is always occasion for stressing the necessity of more physical exercise and recreation, especially of the kind that makes for developing body and mind alike. In these pages the compiler endeavors to show that ’’the old order changeth,” because life continually grows more complex, and an ever-increasing number of people seek the cities in order to make their homes there. Methods must change with changing times, and pro¬ vision must be made for the healthful recreation of the masses.
Pre-Primer Reading, Meta Terlinden
Pre-Primer Reading, Meta Terlinden
Bachelors’ Theses
I shall attempt to show, in this thesis, the importance and· feasibility of pre-primer reading as an adequate foundation for primer reading. While pre-primer reading has taken an important place in the curriculum during recent years, there has been an ever-increasing interest taken as to its value, especially to children of low intelligence and to foreign children. I have obtained my references, to a large extent from William S. Gray and Laura Zirbes in their article on Primary Reading which appears in the Class Room Teacher Volume II, and also from articles on reading which are given in The Twenty-Fourth …
Line Play, William J. Wamtulonis
Line Play, William J. Wamtulonis
Bachelors’ Theses
Prior to 1896 the rules did not require more than one man on the line of scrimmage when the ball was put in play. Under these rules, the famous "flying wedge" was developed, in which ten of the eleven men were in motion when the ball was snapped. The rules were later changed, requiring five men to be on the line of scrimmage when the ball was put in play. This rule, together with its companion rule that "no player shall take more than a single step before the ball is put in play, save the one man who may …
The Quantitative Estimation Of Solvents And Non-Solvents As Found In Lacquer Preparations, Harry Katzowsky
The Quantitative Estimation Of Solvents And Non-Solvents As Found In Lacquer Preparations, Harry Katzowsky
Bachelors’ Theses
The study of solvents and non-solvents in lacquers entails a great deal of work which is unable to be covered in so small a space of time, and although this thesis attempts to understand the use of these solvents and non-solvents, it is just a mere uncovering of much more interesting work able to be done with further analysis in this field.
The Exceptionally Bright Child, And Provisions Made For Him In The Classroom, Ella T. Poppe
The Exceptionally Bright Child, And Provisions Made For Him In The Classroom, Ella T. Poppe
Bachelors’ Theses
Leadership and efficiency will always be determined by the sane, the apt, the well-balanced. If this be true then the gifted ones should be so trained and given opportunity commensurate with their natural aptitudes and thus be made levers by which the whole plane of existence may be lifted to higher levels of intelligence, conduct and happiness.
The apt, the .bright, the gifted pupil is not only entitled to our consideration as his right, but because of the necessity for his leadership in the progressive movements of our civilization. The public schools are criticized for not making provisions for the …
Goethe And Beethoven By Roman Rolland, Lillian S. Thekan
Goethe And Beethoven By Roman Rolland, Lillian S. Thekan
Bachelors’ Theses
Goethe, the great poet and Beethoven, the likewise great musician had known each other for a long time, but only from a distant. Beethoven, no doubt, had the greatest comprehension of the two. From his infancy he nourished himself with the works of Goethe. He read his works every day and finally Goethe occupied the place of Klopstock in his heart. Beethoven remarks, "Klopstock always wished to die and this happened very soon. Goethe, on the other hand, lived and we all must live with him. This is the reason that his works can be so easily set to music."
Teaching Study Habits To Children In The Intermediate Grades, Marie Schneider
Teaching Study Habits To Children In The Intermediate Grades, Marie Schneider
Bachelors’ Theses
This thesis has been prepared in an endeavor to present the objectives of study, and to state effective methods for teaching study habits to children in the intermediate grades. A discussion of the universal need for direction in the formation of study habits, together with a consideration of the objectives of study compromises the first chapter. This is followed by a presentation of the physical conditions influencing study. The third chapter deals with general suggestions for training in study, while the fourth and fifth present type lessons and specific and tried methods.
Extra Curricular Activities In Junior High School, Rosa M. Bufton
Extra Curricular Activities In Junior High School, Rosa M. Bufton
Bachelors’ Theses
No abstract provided.