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Articles 291091 - 291120 of 292656
Full-Text Articles in Entire DC Network
Iron And Cobalt Salts As Catalysts In The Oxidation Of Sodium Sulfite By Free Oxygen, Loren C. Bryner
Iron And Cobalt Salts As Catalysts In The Oxidation Of Sodium Sulfite By Free Oxygen, Loren C. Bryner
Theses and Dissertations
The present investigation was carried out to show the catalytic effect of some iron and cobalt salts on the oxidation of sodium sulfite solutions by free oxygen. The rate of reaction was determined by measuring the volume of water required to replace the absorbed oxygen. A photograph and diagrammatical arrangement of the apparatus is given, (Page 14). From the preliminary experiments it was found that the rate of oxidation of sodium sulfite solutions is dependent upon concentration, and speed of the shaker.
The Monadnock Volume 4, Number 1, December 1929, Clark University Geographical Society
The Monadnock Volume 4, Number 1, December 1929, Clark University Geographical Society
The Monadnock (Clark Geographical Society)
Volume 4, Issue 1 of The Monadnock. The Monadnock was the alumni magazine of the Clark University Geographical Society (1927-1985) (2014-present).
The Mandible Of Amebelodon Fricki, Erwin H. Barbour
The Mandible Of Amebelodon Fricki, Erwin H. Barbour
Bulletin of the University of Nebraska State Museum (1924–2023)
The type specimen of the genus Amebelodon is installed in the Nebraska State Museum, the University of Nebraska, Lincoln. It consists of a mandible with tusks and teeth, all of which are dense and perfect, barring minor cracks and breaks. One toe bone and part of a rib found associated with this mandible may belong to this animal. It was discovered by Mr. A. S. Keith on his farm near Freedom, Frontier County, Nebraska; was secured for the palaeontological collections of Hon. Charles H. Morrill by Mr. Phillip Orr, April 4, 1927; was briefly described and figured in a Museum …
Faraday's Laws Of Electrolysis, M. Aquinas
Faraday's Laws Of Electrolysis, M. Aquinas
Bachelors’ Theses
Physics has no equal, perhaps, in bringing the student to an appreciation of the beauty, the order and the harmony or the universe, and thus drawing the heart and the mind to God whose unbounded powers executed the eternal and marvelous wonders that are all about us.
It is intensely fascinating to take peeps into the "laboratories of God" and wonder what will be the next secret that He will let man in on. It seems as the ages roll by He gradually allows us to share more and more in His secrets or nature; He appears to be slowly …
The Quantitative Analysis Of Sodium Acetate, Henry A. Budzinski
The Quantitative Analysis Of Sodium Acetate, Henry A. Budzinski
Bachelors’ Theses
There are many methods by which Sodium Acetate can be analysed for its purity. Each method is satisfactory and the results obtained vary only slightly. However, this essay is for the purpose of determining the method which is most suitable for all conditions, and setting this method as a standard.
Scholasticism An Intellectual Basis And Unifying Principle Of Modern Science, Alice V. Johnson
Scholasticism An Intellectual Basis And Unifying Principle Of Modern Science, Alice V. Johnson
Electronic Theses and Dissertations
Amid the almost uninterrupted disintegration of systems during the last three centuries, the philosophy of St. Thomas has alone been able to stand the shock of criticism; it alone has proved sufficiently solid and comprehensive to serve as an intellectual basis and unifying principle for all the new facts and phenomena brought to light by modern science.
The Chromite Deposits Of Stillwater And Sweetgrass Counties, Montana, Uuno Sahinen
The Chromite Deposits Of Stillwater And Sweetgrass Counties, Montana, Uuno Sahinen
Bachelors Theses and Reports, 1928 - 1970
In writing this report, two objects were kept in mind, (1) to explain, if possible, the origin of the chromite deposits found in Sweetgrass and Stillwater Counties, and (2) to bring up to date all information on these deposits which had thus far been available.
The work done consisted of study of the rocks and ores of the area under the microscope, both as thin sections and as polished sections, practically all of which was done at the Montana State School of Mines, during the school year of 1928 - 1929.
The rock specimens and much information as to their …
The Cycloid, Some Related Curves And Their Derivation, Ann Downer
The Cycloid, Some Related Curves And Their Derivation, Ann Downer
Bachelors’ Theses
In studying the history of the cycloid and the related curves, it is interesting to note that the earliest notations and explanations were given not by a mathematician but by an artist. The description and instrumental construction of the epicycloid curve was presented in about 1525 by Albrecht Durer (1471-1528) a celebrated sculptor and painter of Nurnberg in his book "Underweysund der Messung mit dem Zyrkenund Rychtsceyd." The original idea, however, goes as far back as the time of Hipparchus, an astronomer, who used it in his astronomical theory of epicycles. This curve was now neglected until G. Desargues and …
The Study Of The Curves Of The Equations Having The Type Form X^N + Y^N = A^N, Lena S. Reif
The Study Of The Curves Of The Equations Having The Type Form X^N + Y^N = A^N, Lena S. Reif
Bachelors’ Theses
The object of this thesis is to determine the general properties of the family of curves, x^n + y^n = a^n from some of the specific curves in that family. The first curve to be considered is the one in which a = 4 and n =1. x+y = 4
Studies In The Magnetic Rotation Of The Plane Of Polarized Light, Richard J. Stollenwerk, Clifford R. Haymaker
Studies In The Magnetic Rotation Of The Plane Of Polarized Light, Richard J. Stollenwerk, Clifford R. Haymaker
Bachelors’ Theses
Before entering upon a discussion of the historical development of the subject of magnetic rotation, it may be well to explain briefly the nature of the phenomenon under investigation. According to the wave theory of light, the rays from any ordinary light source vibrate in every conceivable plane. If now the light is reflected from a glass surface or passed through a Nicol prism, it undergoes a change. If an attempt is made to pass the beam through a second Nicol prism, it is found that the optical axes of the two prisms must be parallel to one another or …
The Constant Of Torsion Of A Given Wire, Ella M. Blunk
The Constant Of Torsion Of A Given Wire, Ella M. Blunk
Bachelors’ Theses
"Using a given wire, the value of n determined dynamically is generally somewhat larger than the value determined by statical method. This is due partly to the fact that a wire, under the action of a torque, does not at once acquire its final twist. The twist increases under the application of a constant torque; and therefore, during a brief application of the torque (for example, during an oscillation of heavy body attached to the wire) the torque per unit twist has larger value than when the torque is applied for a long time. " Edwin Edser
The purpose of …
Curve Tracing In Polar Coordinates, Virginia Higgins
Curve Tracing In Polar Coordinates, Virginia Higgins
Bachelors’ Theses
No abstract provided.
The Cubic Equation In One Variable, Ella M. Horst
The Cubic Equation In One Variable, Ella M. Horst
Bachelors’ Theses
No abstract provided.
Quadratic Equations, Floyd George Hydar
Quadratic Equations, Floyd George Hydar
Bachelors’ Theses
In algebra, an equality which exists only for particular values of certain letters representing the unknown quantities is called an equation. These particular values are called the roots of the equation, and the determination of these roots is known as the solution of the equation.
A Study Of The Oxidation Of D-Glucose With Air In A Saturated Solution Of Barium Hydroxide, Clyde Wilson Eddy
A Study Of The Oxidation Of D-Glucose With Air In A Saturated Solution Of Barium Hydroxide, Clyde Wilson Eddy
Open Access Master's Theses (through 2010)
The conversion of one aldose into another aldose and several ketoses slowly by weak alkalis at ordinary temperatures and quickly with much decomposition at elevated temperatures, was first observed by Lobry de Bruyn and later investigated by Nef and his students in an elaborate study on the action of strong alkalis alone and with oxidizing agents extending over a period of ten years. The results of these studies on oxidation were interpreted as depending on the presence of several intermediate enediols. The oxidation of sugars in approximately six normal alkali medium with air or oxidizing agents all give about the …
The Monadnock Volume 3, Number 2, May 1929, Clark University Geographical Society
The Monadnock Volume 3, Number 2, May 1929, Clark University Geographical Society
The Monadnock (Clark Geographical Society)
Volume 3, Issue 2 of The Monadnock. The Monadnock was the alumni magazine of the Clark University Geographical Society (1927-1985) (2014-present).
Modern Geometry Of The Triangle, Irene Nolan
Modern Geometry Of The Triangle, Irene Nolan
Bachelors’ Theses
It has been the object of t he writer to present in this thesis theorems and proofs of modern geometry which seemed most useful and most interesting to her. Concepts of modern geometry have been presented and developed with reference to the triangle.
Periodic Functions, W. Kenneth Koehler
Periodic Functions, W. Kenneth Koehler
Bachelors’ Theses
The first known publications on the periodic functions were those of Fantet de Lagnv, a French mathematician born at Lyons in the year 1660. Although previous to this, mathematicians, notably Galilio in his analysis of the cycloid, had studied functions and curves whose properties necessarily involved periodic functions, no specific mention of this property was made.
A Problem Involved In The Parkerizing Of Iron And Steel, Frank A. Harmer
A Problem Involved In The Parkerizing Of Iron And Steel, Frank A. Harmer
Bachelors’ Theses
The problem involved in the parkerizing of iron was presented by the National Lock Washer Company of Milwaukee, Wisconsin
Handbook Of Nebraska Trees, A Guide To The Native And Most Important Introduced Species, Raymond J. Pool
Handbook Of Nebraska Trees, A Guide To The Native And Most Important Introduced Species, Raymond J. Pool
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Forty-Third Annual Meeting Of The Iowa Academy Of Science, April 26 And 27, 1929, Iowa Academy Of Science
Forty-Third Annual Meeting Of The Iowa Academy Of Science, April 26 And 27, 1929, Iowa Academy Of Science
Iowa Academy of Science Documents
No abstract provided.
A Study Of The Official Methods Of Analysis For Determining The Availability Of Nitrogen In Fertilizers, Raymond A. Schmidt
A Study Of The Official Methods Of Analysis For Determining The Availability Of Nitrogen In Fertilizers, Raymond A. Schmidt
Bachelors’ Theses
The Milwaukee Sewage Disposal Plant is unique in that it has successfully met the engineering and chemical problems encountered in putting the theories and ideas of the simple experimental station into operation on a large scale. Municipal sanitation was the aim of the plant. It has accomplished its purpose and has been operating several years with a high degree of efficiency and low per capita cost. The plant will be called upon to take care of the sanitary needs of Milwaukee for many years to come.
Tree Planting And Landscape Beautification In Nebraska, Condra G. E.
Tree Planting And Landscape Beautification In Nebraska, Condra G. E.
George E. Condra Publications
This bulletin is intended to further the planting of flowers, vines, shrubbery, and trees in Nebraska.
Tree Planting And Landscape Beautification In Nebraska, G. E. Condra
Tree Planting And Landscape Beautification In Nebraska, G. E. Condra
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Mathematical Induction, Lucille A. Mccann
Outlet Pipes For Echo Dam, U.S. Department Of The Interior, Bureau Of Reclamation
Outlet Pipes For Echo Dam, U.S. Department Of The Interior, Bureau Of Reclamation
All U.S. Government Documents (Utah Regional Depository)
Specifications, schedule, and drawing of outlet pipes for Echo Dam: Salt Lake Basin Project, Utah.
Test 158: Rock Island G-2, 18-30, Nebraska Tractor Test Lab
Test 158: Rock Island G-2, 18-30, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
The Sunspot V.15 1929-1930, J. S. Ricard
Test 168: Huber Model "Light Four" 20-36, Nebraska Tractor Test Lab
Test 168: Huber Model "Light Four" 20-36, 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 …
The Oxford Hills And Other Papers, Charles E. Waterman
The Oxford Hills And Other Papers, Charles E. Waterman
Maine Collection
The Oxford Hills and Other Papers
by Charles E. Waterman
Merrill & Webber Co., Auburn, Maine 1929.
Contents: The Oxford Hills / Mansion and Man / Androscoggin Valley Paper-Makers / Gem Stones of the White Mountain Foot Hills / Andrew Cragie