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Articles 290641 - 290670 of 292676
Full-Text Articles in Entire DC Network
The Solution Of The Quartic Equation In One Variable, Jack W. Bril
The Solution Of The Quartic Equation In One Variable, Jack W. Bril
Bachelors’ Theses
The purpose of this thesis is to discuss two of the foremost solutions of the quartic equation---Descartes' method and Ferrari's method. Most of the ideas were garnered from books on the theory of equations. The historical material was obtained from histories of mathematics.
The Vitamin D And Provitamin D Content Of Some Varieties Of Utah Wheat, Harold M. Nielsen
The Vitamin D And Provitamin D Content Of Some Varieties Of Utah Wheat, Harold M. Nielsen
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Cereal grains were known to be notably deficient in the anti-rachitic principle even before the discovery of vitamin D. Clinicians had associated a type of rickets of infancy, characterized by an over-weight, flabby, bowlegged condition, with a diet consisting mainly of cereals. Mellanby (1) in 1921 concluded that this type of rickets is induced by overfeeding with carbohydrates. He also showed in the same report, however, that oatmeal, although it contains less carbohydrates than the other grains tested, possesses a special tendency toward rachitogenesis.
The Geology Of A Part Of The Bear River Range And Some Relationships That It Bears With The Rest Of The Range, Vic E. Peterson
The Geology Of A Part Of The Bear River Range And Some Relationships That It Bears With The Rest Of The Range, Vic E. Peterson
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The structure of the western three or four miles of the Bear River range east of Logan, Utah, has many times been alluded to in papers written locally on Cache Valley and the related ranges. There has not however, ever been, to the author's knowledge, an investigation made of this portion of the range for the express purpose of determining its exact structure. Although the area specifically covered by this present investigation is greatly inadequate to base the whole west range structure on, the author believes that the facts brought to light by the specific study of this area, added …
Geology Of Some Gold Deposits Of Montana, Leo Edwin Efraimson
Geology Of Some Gold Deposits Of Montana, Leo Edwin Efraimson
Bachelors Theses and Reports, 1928 - 1970
Gold is one of the rarer metals in nature, and chemically it is one of the most inactive. Gold forms stable, natural compounds with few other elements, and only with metals.
Ua37/23 Whas Broadcast No. 31, Whas, Western Kentucky University, Earl Moore
Ua37/23 Whas Broadcast No. 31, Whas, Western Kentucky University, Earl Moore
WKU Administration Documents
Script for weekly WKU broadcast on WHAS radio. This show included Kelly Thompson, Norma Lagura, C.P. McNally, Karl Beyer, Virginia Fortenberry, Helen Albritton, Paul McDaniel and B.T. Towery.
Front Matter
Journal of the Minnesota Academy of Science
The 4th Annual Meeting of The Minnesota Academy of Science.
Fiftieth Annual Meeting Of The Iowa Academy Of Science And The Fifth Annual Convention Of The Junior Academy Of Science Of Iowa, April 3 And 4, 1936, Iowa Academy Of Science
Fiftieth Annual Meeting Of The Iowa Academy Of Science And The Fifth Annual Convention Of The Junior Academy Of Science Of Iowa, April 3 And 4, 1936, Iowa Academy Of Science
Iowa Academy of Science Documents
No abstract provided.
A Configurational Approach To Sound, Alfred R. Root
A Configurational Approach To Sound, Alfred R. Root
Journal of the Minnesota Academy of Science
No abstract provided.
Soil Erosion Demonstration Areas In Southern Minnesota, R. H. Davis
Soil Erosion Demonstration Areas In Southern Minnesota, R. H. Davis
Journal of the Minnesota Academy of Science
No abstract provided.
The Hyperbola, Mary Aquin Miller
The Hyperbola, Mary Aquin Miller
Bachelors’ Theses
This thesis is by no means an exhaustive presentation of the subject "The Hyperbola" or of the many and varied properties connected with this conic section and its associated parts. The aim in writing this paper has been to give a general outline of the history of the development of the hyperbola, to show the various constructions of it, and, with this as a basis, to show the relation between the hyperbola and its connected parts.
An Analysis Of The Flowering Plants Of Nebraska, John Mack Winter
An Analysis Of The Flowering Plants Of Nebraska, John Mack Winter
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
A Short Study Of Laplace's Equation, Sidney Teweles Jr.
A Short Study Of Laplace's Equation, Sidney Teweles Jr.
Bachelors’ Theses
Perhaps if I set forth my original inspiration for this thesis, the reader will be better able to understand the reason for the apparent limitations of treatment. In my study of differential equations, I had the task set before me of presenting a discussion of Laplace's equation to the class. A seemingly easy matter turned out to be quite difficult for the reason that most texts make but brief use of Laplace's equation. Thus in a mathematics book reference will be made to Laplace's equation simply as example of a mathematical process. Some of these processes are the change of …
Nuclear Chemistry, J. William Buchta
Nuclear Chemistry, J. William Buchta
Journal of the Minnesota Academy of Science
No abstract provided.
The Minerals Of New Mexico, Lee Mcguinness
The Minerals Of New Mexico, Lee Mcguinness
Earth and Planetary Sciences ETDs
Inorganic bodies known as minerals make up, either in whole rock-masses or in isolated form, the material of the upper crust of the earth. Through the evidence furnished by this study of meteorites, we also infer that other bodies in the universe are made up of minerals, or at least those portions of them which are represented by meteorites.
Since minerals are, then, important in making up the observable part of the earth, a study of them is importance in any study of the earth. Because the variety of minerals occurring in New Mexico is large, it will be of …
A Metallographic Study Of Primitive Copper Work., John A. Alley
A Metallographic Study Of Primitive Copper Work., John A. Alley
Bachelors Theses and Reports, 1928 - 1970
The field of archaeology and that of metallurgy appear to be widely separated and in no way related. Work done in recent years, however, tends to show that, in many ways, the metallurgist can supplement and enhance the information gained by the archaeologist, at least in regard to those objects which have been made of metal.
Palaeontologic And Geologic Consideration Of Early Man In Nebraska, Erwin Hinckley Barbour, C. Bertrand Schultz
Palaeontologic And Geologic Consideration Of Early Man In Nebraska, Erwin Hinckley Barbour, C. Bertrand Schultz
Bulletin of the University of Nebraska State Museum (1924–2023)
There has been much discussion recently relative to the geologic age of Yuma and Folsom artifacts. The writers submit the following palaeontological and geological data which may aid in a better interpretation of the subject. This paper deals with three localities in Nebraska where Yuma and Folsom implements have been found with extinct mammals; namely, the Scottsbluff Bison Quarry, the Sand Hill blow-out sites, and the Sioux County artifact sites.
A Method Of Changing Certain Infinite Series To New But Equivalent Series, Moneta Gunilla Johnson
A Method Of Changing Certain Infinite Series To New But Equivalent Series, Moneta Gunilla Johnson
Mathematics & Statistics ETDs
The purpose of this investigation is to prove that the sum of a series of variable terms of a certain type is equal to a constant plus the sum of another series of variable terms. As a result of this proof it may be hoped that certain series, which so far have not been summed, may be shown equal to a constant plus another series for which the sum is known.
Some Studies Upon Boolean-Schröder Algebra, Madge Childre
Some Studies Upon Boolean-Schröder Algebra, Madge Childre
Mathematics & Statistics ETDs
As a basis of reference the assumptions and theorems of the Boole-Schröder system are given in full below. In general, the proofs of the theorems are not included, as they may be found in the treatise on the subject by these two men. However, in the case of a few of the theorems, new and original proofs were deemed to be of sufficient interest to be included here.
In the proofs which are included the following form has been used throughout. The page is divided into two columns, the logical steps of the proof appearing in the left column, and …
An Investigation Into The Bromate Method Of Manganese Determination, Ray A. Bunday
An Investigation Into The Bromate Method Of Manganese Determination, Ray A. Bunday
Electronic Theses and Dissertations
Throughout the history of research in the science of Chemistry the problem of the quantitative determination of manganese has always been a perplexing one. The results have usually fallen short of the theoretical value and has necessitated the application of an empirical factor(1) which is always undesirable to the true research scientist, if not to the commercial analyst.
Test 253: Caterpiller Model Rd-7 (Diesel) 61 H.P. At 850 R.P.M., Nebraska Tractor Test Lab
Test 253: Caterpiller Model Rd-7 (Diesel) 61 H.P. At 850 R.P.M., Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 254: Caterpiller Model Rd-7 (Diesel) 69 H. P. At 850 R. P. M., Nebraska Tractor Test Lab
Test 254: Caterpiller Model Rd-7 (Diesel) 69 H. P. At 850 R. P. M., Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 250: Silver King 3-Wheel, Nebraska Tractor Test Lab
Test 250: Silver King 3-Wheel, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 255: Caterpiller Model Rd-7 (Diesel) 1000 R. P. M., Nebraska Tractor Test Lab
Test 255: Caterpiller Model Rd-7 (Diesel) 1000 R. P. M., Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 257: Caterpiller Model Rd-8 (Diesel) 1000 R. P. M., Nebraska Tractor Test Lab
Test 257: Caterpiller Model Rd-8 (Diesel) 1000 R. P. M., Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 262: Cletrac Model Fg, Nebraska Tractor Test Lab
Test 262: Cletrac Model Fg, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 263: Cletrac Model Fd, Nebraska Tractor Test Lab
Test 263: Cletrac Model Fd, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …
Test 261: Cletrac Model E, Nebraska Tractor Test Lab
Test 261: Cletrac Model E, Nebraska Tractor Test Lab
Nebraska Tractor Tests
All tractors tested at the Nebraska Tractor Test Laboratory were certified by their manufacturers as being stock model machines, conforming to specifications filed with the application for test. No special or high-test fuels were used except as recommended by the manufacturer as necessary.
All results within the official tractor test report were actually attained in tests and are without correction or allowances for friction, temperature, altitude, etc. The results were initially accomplished with the tractor in charge of skilled operators employed by the University.
Unless otherwise noted, each tractor was apparently in good condition at the end of the testing …