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Articles 293131 - 293160 of 294651
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A Study Of The Basal Cherokee In The Rolla Area, Thomas Daniel Murphy
A Study Of The Basal Cherokee In The Rolla Area, Thomas Daniel Murphy
Masters Theses
"The occurrence of outliers of Pennsylvanian age, probably Cherokee, in and about Rolla has long been known. The Bureau of Geology and Mines and the Department of Geology of the School of Mines at Rolla have been greatly interested in the many stratigraphic problems presents. The writer has, therefore, undertaken field and laboratory studies of certain of these problems"--Introduction, page [1].
Colloidal Content And Related Soil Factors As Indicators Of Site Quality, Irvine T. Haig
Colloidal Content And Related Soil Factors As Indicators Of Site Quality, Irvine T. Haig
Yale School of the Environment Bulletin Series
This paper presents a study of the correlation between soil colloidal content and soil productiveness and hence a measure of the value of colloidal content in determining site quality. The character of this investigation also permitted incidental observation and comment on the relative value of organic matter, soil acidity, and soil type and class as similar measures. The findings are directly applicable to the forest soils of southern Connecticut and, more particularly, to such of these soils as occur commonly in the vicinity of New Haven. Since these soils are typical of the brown, weakly podsolized forest soils of southern …
Some Aspects Of Soil Moisture In The Forest, Ian J. Craib
Some Aspects Of Soil Moisture In The Forest, Ian J. Craib
Yale School of the Environment Bulletin Series
By determining the moisture content of carefully selected soil samples taken at various depths down to three feet, the moisture content of soils in the forest and in the open have been compared. The soils investigated were similar in their mechanical properties. Part I is an investigation of the effect of forest cover on the amount of water in the soil over the growing season and its availability. Part II is an investigation of the effect of root competition on the available water supply of forest soils.
Advertising Brochure: Four Drive Model E, Nebraska Tractor Test Lab
Advertising Brochure: Four Drive Model E, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Advertising Brochure: Baker 22-40, Nebraska Tractor Test Lab
Advertising Brochure: Baker 22-40, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 156: Mccormick Deering 15-30, Nebraska Tractor Test Lab
Test 156: Mccormick Deering 15-30, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 157: Rock Island G-2, 15-25, Nebraska Tractor Test Lab
Test 157: Rock Island G-2, 15-25, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 155: Case Model L 26-40, Nebraska Tractor Test Lab
Test 155: Case Model L 26-40, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 157: Rock Island Model G2 15-25 (Distillate), Nebraska Tractor Test Lab
Test 157: Rock Island Model G2 15-25 (Distillate), 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 158: Rock Island Model G2 18-30 (Gasoline), Nebraska Tractor Test Lab
Test 158: Rock Island Model G2 18-30 (Gasoline), 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 160: Caterpiller Model 10 10-15, Nebraska Tractor Test Lab
Test 160: Caterpiller Model 10 10-15, 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 167: Case Model C 17-27, Nebraska Tractor Test Lab
Test 167: Case Model C 17-27, 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 …
Symmetric Functions Of N-Ic Residues (Mod P), T. A. Pierce
Symmetric Functions Of N-Ic Residues (Mod P), T. A. Pierce
Department of Mathematics: Faculty Publications
If p be an odd prime, q is said to be an n- ic residue of p if the congruence xn = q (mod p) has solutions; otherwise q is an n-ic non-residue of p. A necessary and sufficient condition that q be an n-ic residue of p is that
(1) q (p- 1)/δ ≡ 1, (mod p),
where δ = g.c.d. (p - 1, n). The numberf of n-ic residues of a given prime p is (p-1)/δ.
It is with the symmetric functions of these …
Thomas Chrowder Chamberlin's Contribu-Tions To Glacial Geology, William C. Alden
Thomas Chrowder Chamberlin's Contribu-Tions To Glacial Geology, William C. Alden
United States Geological Survey: Staff Publications
So prominent did Thomas Chrowder Chamberlin become in the field of glacial geology that it is a matter of some interest and importance to consider what was the status of the science at the time he turned his attention, as a student and a teacher, to it. So voluminous is the literature of this subject that it is obvious that one cannot in a sketch of this kind give even a general summary of the many books and papers on the subject published in this country, even were it desirable to do so. The intention is to indicate only what …
Elutriation Of Flotation Products, Guenther Walter Frotscher
Elutriation Of Flotation Products, Guenther Walter Frotscher
Masters Theses
"Since the first application of the flotation process in ore dressing practice, engineers have been busy solving the most delicate relations of metal distribution in the minerals to be treated...The desire for more information was the reason for research concerning the mineral distribution in fine flotation material with particular attention to the development of a suitable laboratory method of hydraulic classification or, as it is especially called, elutriation"--Introduction, page 1-4.
Anhydrous Alcohol And The Vapor Phase Method Of Preparing It, Cleetis Brown
Anhydrous Alcohol And The Vapor Phase Method Of Preparing It, Cleetis Brown
University of the Pacific Theses and Dissertations
Since the almost universal laboratory method of preparing absolute alcohol requires considerable time and trouble, gives a low yield of alcohol and leaves a distilling flask badly clogged with hydrated lime, Professor S.S, Kistler and I undertook the following research in the hope that we might devise a new method that would be both rapid and easy to perform.
Upon reviewing the possibilities, it seemed evident that any method to be rapid would have to involve drying In the vapor phase. Diffusion in a liquid being so slow that when a drying agent is placed in the liquid phase an …
Scholasticism An Intellectual Basis And Unifying Principle Of Modern Science, Alice Veronica Johnson
Scholasticism An Intellectual Basis And Unifying Principle Of Modern Science, Alice Veronica Johnson
Electronic Theses and Dissertations
This thesis, completed at Xavier University of Louisiana in 1929, argues that Scholastic philosophy, and the thought of St. Thomas Aquinas in particular, supplies an intellectual foundation that unifies the findings of modern science. Johnson takes up the common charge that Scholasticism is a barrier to scientific progress. She contends instead that it is the one philosophy able to answer the ultimate questions of “whence” and “how” that science cannot address on its own.
Johnson tests this claim against several fields in turn: astronomy, geology, physics, chemistry, and psychology. In astronomy, she reviews competing theories of the origin of the …
Roster And Records Of Secretary: 1903-1929, Iowa Academy Of Science
Roster And Records Of Secretary: 1903-1929, Iowa Academy Of Science
Iowa Academy of Science Documents
Meeting minutes, conference programs, and more from the Iowa Academy of Science during the years 1903-1929.
"Triassic-Jurassic 'Red Beds' Of The Rocky Mountain Region": A Discussion, John B. Reeside Jr.
"Triassic-Jurassic 'Red Beds' Of The Rocky Mountain Region": A Discussion, John B. Reeside Jr.
United States Geological Survey: Staff Publications
The conclusion drawn by Professor E. B. Branson in a recent paper on the "Red Beds" of the Rocky Mountain region that parts of these beds are marine is considered likely. The conclusion that there exists no basis for subdivision of the beds is not accepted, and a division of the Mesozoic part into Lower Triassic, Upper Triassic, and Jurassic units is advocated. The conclusion that no eolian deposits are present likewise is not accepted, and the interpretation of important parts of the Jurassic unit as eolian is advocated. Disagreement is expressed with much of Professor Branson's correlation table, and …
The Mandibular Tusks Of Amebelodon Fricki, Erwin H. Barbour
The Mandibular Tusks Of Amebelodon Fricki, Erwin H. Barbour
Bulletin of the University of Nebraska State Museum (1924–2023)
The ponderous mandible of the great shovel-tusked mastodon, Amebelodon fricki, was figured and described before it was practicable to remove the plaster cinches. In the meantime, this rare specimen has lain on its sand table awaiting the time when sections and casts could be made before mounting it permanently. A rare specimen, especially if heavy, unwieldy, and fragile, is rarely dismantled for study after it is mounted and installed in its case. A gelatine cast of the alveoli has been made, and through the assistance of Mr. Murray Jerome Roper, a cast of the left mandibular tusk has just been …
A Study Of Crime And Criminal Statistics Of Phelps County, State Of Missouri, For The Period 1899-1929, Walter Llyn Bradford
A Study Of Crime And Criminal Statistics Of Phelps County, State Of Missouri, For The Period 1899-1929, Walter Llyn Bradford
Masters Theses
"It is only within very recent years that the study of Human Society has been undertaken in a really scientific manner. It is true that the social problems have been studied and ideas suggested and discussed for their solution since the very beginning of social organization, for nowhere has there been found a state of society so perfect that all members are completely satisfied with their well-being under it...The study of crime is a part of the science of sociology and must be made according to the same methods as apply to all other kinds of social phenomena"--Introduction, page 1-3.
The Monadnock Volume 3, Number 1, December 1928, Clark University Geographical Society
The Monadnock Volume 3, Number 1, December 1928, Clark University Geographical Society
The Monadnock (Clark Geographical Society)
Volume 3, Issue 1 of The Monadnock. The Monadnock was the alumni magazine of the Clark University Geographical Society (1927-1985) (2014-present).
Theories Of Color And Color Vision, M. Regina Wallesch
Theories Of Color And Color Vision, M. Regina Wallesch
Bachelors’ Theses
Theories of color have occupied the human mind since an early date even to the present. According to Professor Frank Allen there are from sixty to seventy different theories. Plato considered color to be due to flame-like particles projected from the pores of matter into the eye. Aristotle thought colors arose from various combinations of white and black.
Geological Report Of Summer Field Trip 1928, Clarence A. Corry, Marcus Mccanna
Geological Report Of Summer Field Trip 1928, Clarence A. Corry, Marcus Mccanna
Bachelors Theses and Reports, 1928 - 1970
The object of this trip and report was to familiarize the students of the Montana State School of Mines with methods of taking and mapping surface and undergound geology. All surface geology was mapped by means of plane table and alidade, and undergound work by means of Brunton compass and taps.
The senior class of the Montana State School of MInes under the supervision of Dr. E.S. Perry performed the work, which covered an area in Madison County including South Boulder Creek, near Jefferson Island, the Silver Star Mining District, and the Alameda Mine, near Virginia City.
The Monadnock Volume 2, Number 3, July 1928, Clark University Geographical Society
The Monadnock Volume 2, Number 3, July 1928, Clark University Geographical Society
The Monadnock (Clark Geographical Society)
Volume 2, Issue 3 of The Monadnock. The Monadnock was the alumni magazine of the Clark University Geographical Society (1927-1985) (2014-present).
The Sensitivity Of The Ortho-Tolidine Test For Free Chlorine In Milk Serum, Estelle Downer
The Sensitivity Of The Ortho-Tolidine Test For Free Chlorine In Milk Serum, Estelle Downer
Bachelors’ Theses
In the Journal of Industrial and Engineering Chemistry for November, 1913, J.W. Ellms and S.J. Hauser introduced the ortho-tolidine test for the detection of minute quantities of free chlorine in water. Antecedant to the experimentation of the above men with ortho-tolidine, the starch-iodide test ·was universally used for the· detection of free chlorine. In this test, the chlorine is calculated by liberating iodine from potassium iodide by the available chlorine, and the iodine being titrated with sodium thio sulfate. starch solution is used as the indicator. However, this particular method offers difficulties in the presence of minute quantities of chlorine …
A Study Of The Electric Current Rectifying Properties Of Metallic Salts In Contact With Metals, Simon Sander Share
A Study Of The Electric Current Rectifying Properties Of Metallic Salts In Contact With Metals, Simon Sander Share
Bachelors’ Theses
The property of offering greater electrical resistance to a current when flowing in one direction than when flowing in the opposite direction possessed by some metallic salts in contact under pressure with certain metals is of interest both from a purely scientific viewpoint and from a commercial viewpoint. The phenomenon is of interest to the scientist because it has not yet been properly explained and because a suitable explanation might lead to a better understanding of what actually occurs at the contact surfaces of a metal and a salt and also of the condition of metallic surfaces. The property has …
Graphical Calculation And Computation, Alice Hudson Vallier
Graphical Calculation And Computation, Alice Hudson Vallier
Bachelors’ Theses
The word ’’graph” has lately become a part of the active vocabulary of the ordinarily educated person of today. We may say lately because even fifty years ago the use of the graph to represent data was limited to the knowledge of a few theorizing mathematicians and the miscellaneous disorganized usage of some practical mechanics, engineers, business men and statisticians. The situation is not that fifty years ago the rudiments of graphing were not identical with the bases of graphing data today, at least by such simple methods as are commonly employed in periodicals and newspapers for the enlightenment of …
A Study Of The Temperature Behavior Of Various Liquids When Subjected To Pressures Ranging Between One And One Hundred Pounds Absolute, Jerome John Van De Kamp
A Study Of The Temperature Behavior Of Various Liquids When Subjected To Pressures Ranging Between One And One Hundred Pounds Absolute, Jerome John Van De Kamp
Bachelors’ Theses
This thesis is submitted as a partial requirement for the degree of bachelor of science. The problem is one which dates back as far as the science which claims its authorship. It is a problem of which very little is known and one is justified in calling this old problem a youthful one, youthful, of course, in the sense that it is immature and as yet undeveloped. The problem by the very fact that it is in its infancy makes it one of Infinite length. It is a problem which has no greater practical application. Its ultimate value extends into …
Solubility Of Different Waxes In Various Solvents, Sol Leslie Spracker
Solubility Of Different Waxes In Various Solvents, Sol Leslie Spracker
Bachelors’ Theses
The waxes are esters formed by the union of fatty acids and alcohols not belonging to the glycerol series. Hence waxes are sharply distinguished from fats in that they contain no glycerol; they have howe er, many properties in common with true glycerides (fats); thus they can be saponified with alkalies, the salts of fatty acids and alcohols being obtained.