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Articles 40831 - 40856 of 40856
Full-Text Articles in Entire DC Network
The Decomposition Of Mixed Ethers And A Quantitative Scheme For The Determination Of A Quaternary Mixture Of Alcohols And Iodides, Ellsworth H. Stock
The Decomposition Of Mixed Ethers And A Quantitative Scheme For The Determination Of A Quaternary Mixture Of Alcohols And Iodides, Ellsworth H. Stock
Bachelors’ Theses
To introduce some recent advances covering the decomposition of mixed ethers and the quantitative scheme for quaternary mixtures of alcohols and iodides is the privilege and responsibility of this paper. The first part of the paper deals with the oxidation, and quantitative determination of binary mixtures of alcohols. The last half covers the separation of the alcohols from the iodides, the decomposition of the mixed ethers, and the complete outline for determining the amount of alcohols resulting from the decomposition. Tables, graphs, and drawings have been included in the text, because the complete understanding of the method depends to some …
A Study Of Ball Mills, Robert Lee Kidd
A Study Of Ball Mills, Robert Lee Kidd
Masters Theses
"The study of the ball mill is very complicated, due to the varying conditions existing in the mill. Some of these conditions are: Size of grinding media, size of feed, moisture content, and speed with its effect on the paths of the grinding media. A brief history of fine grinding will first be outlines, after which some of the theories of ball milling will be stated. Then the paths of the grinding media will be given some attention, and a new point of view about the trajectory will be brought out"--Introduction, page 2.
Forty-First Annual Meeting Of The Iowa Academy Of Science, May 6 And 7, 1927, Iowa Academy Of Science
Forty-First Annual Meeting Of The Iowa Academy Of Science, May 6 And 7, 1927, Iowa Academy Of Science
Iowa Academy of Science Documents
No abstract provided.
The Evaporation Of Pyroxylin Solvents And Non-Solvents And The Effect Of Dissolved Pyroxylin On Various Types Of Evaporation Curves, Herbert Heinrich
The Evaporation Of Pyroxylin Solvents And Non-Solvents And The Effect Of Dissolved Pyroxylin On Various Types Of Evaporation Curves, Herbert Heinrich
Bachelors’ Theses
In 1833 Braconnot described a body which he called Xyloidine. This material was obtained by the action of nitric acid on starch. In 1838 Pelonze produced a similar body by treating paper with nitric acid. Although these experiments were conducted several years before those of Soh8nbein, yet we give Schonbein the honor of priority because of bis extensive studies on the new compound "explosive cotton wool". The material was produced by the combined action of nitric and sulphuric acids on cellulose. A patent was granted to him in the United States December 5, 1846, but little attention was paid to …
Fortieth Annual Meeting Of The Iowa Academy Of Science, April 30 And May 1, 1926, Iowa Academy Of Science
Fortieth Annual Meeting Of The Iowa Academy Of Science, April 30 And May 1, 1926, Iowa Academy Of Science
Iowa Academy of Science Documents
No abstract provided.
Spectrophotometric Analyses Of Colored Glasses, Norman C. Beese
Spectrophotometric Analyses Of Colored Glasses, Norman C. Beese
Archived Theses and Dissertations
No abstract provided.
The Water Supply Of The City Of Milwaukee With Experimental Data, William K. Stumpf
The Water Supply Of The City Of Milwaukee With Experimental Data, William K. Stumpf
Bachelors’ Theses
All mankind, whether the wandering savage, the isolated pioneer, or the dweller in the congested city, requires a constant supply of water for his needs. This fact is attested to in all the civilizations of the past, and if we go back to biblical times, or to the days of ancient Greece and Rome, we read of the famous wells and aqueducts, from which the inhabitants derived their supplies.
The Action Of Tan Bark In The Manufacture Of White Lead By The Old Dutch Process, Elmer List
The Action Of Tan Bark In The Manufacture Of White Lead By The Old Dutch Process, Elmer List
Masters Theses
"This investigation was undertaken because there is very little definite information in print, regarding the micro-organisms which play such an important part in the Old Dutch Process for manufacturing white lead. The statements concerning this process are very general in character. For instance, one book states, "The first action which goes on is to convert blue lead into basic acetate of lead. This is brought about by the heat of the fermenting tan, causing the evolution of acetic acid from the liquid of the pots." Albert H. Hooker in a little treatise on white lead says: "As it stands now, …
Characteristics Of Bacillus Influenzae, Georgena Josephine Clarke
Characteristics Of Bacillus Influenzae, Georgena Josephine Clarke
Masters Theses
"This organism is classed under the type of haemoglobinophilic bacteria, due to the fact that its growth is restricted to a special medium containing haemoglibin [sic]. It is a very small bacillus which in the sputum tends to show itself in aggregations, especially centering about other organisms, M. tetragenus in particular"--page 3.
Bulletin No. 114 - The Movement Of Nitric Nitrogen In Soil And Its Relation To "Nitrogen Fixation", Robert Stewart, J. E. Greaves
Bulletin No. 114 - The Movement Of Nitric Nitrogen In Soil And Its Relation To "Nitrogen Fixation", Robert Stewart, J. E. Greaves
UAES Bulletins
In the spring of 1903, we commenced at the Utah Experiment Station a series of experiments, the purpose of which was to study the development and movement of nitrates in irrigated soil. The work was so outlined that it should give some very definite results, both as to the influence of water and the plant, upon the nitric nitrogen content of the soil.
The Structure Of The Universe: Being A Presentation Of Professor Osborne Reynolds' Theory Of Gravitation, John Mackenzie
The Structure Of The Universe: Being A Presentation Of Professor Osborne Reynolds' Theory Of Gravitation, John Mackenzie
Journal of the Minnesota Academy of Science
No abstract provided.
Bulletin No. 106 - A Study Of The Production And Movement Of Nitric Nitrogen In An Irrigated Soil, Robert Stewart, J. E. Greaves
Bulletin No. 106 - A Study Of The Production And Movement Of Nitric Nitrogen In An Irrigated Soil, Robert Stewart, J. E. Greaves
UAES Bulletins
The problem of maintaining the nitrogen content in our agricultural soils is one of vital importance to the development of a permanent system of agriculture. Any investigation, therefore, which tends to throw any light on the conditions which are necessary for maintaining the maximum supply of nitrogen in our soils needs no apology for its institution.
A Check List Of The Palaeozoic Fossils Of Wisconsin, Minnesota, Iowa, Dakota, And Nebraska, Bruno Bierbauer
A Check List Of The Palaeozoic Fossils Of Wisconsin, Minnesota, Iowa, Dakota, And Nebraska, Bruno Bierbauer
Journal of the Minnesota Academy of Science
No abstract provided.
The Fixed Stars, John F. Downey
The Fixed Stars, John F. Downey
Journal of the Minnesota Academy of Science
The object of this paper is to give, in a popular form, a brief review of what is known about the fixed stars. Although they have always been objects of interest, have guided the mariner over trackless seas, arid have inspired many sublime and noble thoughts, yet, until a comparatively recent date, only three things were known about them; viz., that they retain (approximately) their ·relative positions, that they are self luminous, and that they are very far away.
Theoria Motuum Lunae, Leonhard Euler
Theoria Motuum Lunae, Leonhard Euler
All Works by Eneström Number
No abstract provided.
Dioptricae Pars Secunda, Continens Librum Secundum, De Constructione Telescopiorum Dioptricorum Cum Appendice De Constructione Telescopiorum Catoptrico-Dioptricorum, Leonhard Euler
All Works by Eneström Number
No abstract provided.
Constructio Lentium Obiectivarum Ex Duplici Vitro Quae Neque Confusionem A Figura Sphaerica Oriundam Neque Dispersionem Colorum Pariant, Leonhard Euler
Constructio Lentium Obiectivarum Ex Duplici Vitro Quae Neque Confusionem A Figura Sphaerica Oriundam Neque Dispersionem Colorum Pariant, Leonhard Euler
All Works by Eneström Number
No abstract provided.
Tentamen Theoriae De Frictione Fluidorum, Leonhard Euler
Tentamen Theoriae De Frictione Fluidorum, Leonhard Euler
All Works by Eneström Number
No abstract provided.
Examen D'Une Controverse Sur La Loi De Réfraction Des Rayons De Différentes Couleurs Par Rapport À La Diversité Des Milieux Transparens Par Lesquels Ils Sont Transmis, Leonhard Euler
All Works by Eneström Number
No abstract provided.
L. Euleri Opusculorum Tomus Iii. Continens Novam Theoriam Magnetis Ab Illustr. Academia Regia Scient: Parisina Praemio Condecoratam A. 1744., Leonhard Euler
L. Euleri Opusculorum Tomus Iii. Continens Novam Theoriam Magnetis Ab Illustr. Academia Regia Scient: Parisina Praemio Condecoratam A. 1744., Leonhard Euler
All Works by Eneström Number
No abstract provided.
Letters Relating To A Theorem Of Mr. Euler, Of The Royal Academy Of Sciences At Berlin, And F.R.S., For Correcting The Aberrations In The Object-Glasses Of Refracting Telescopes, Leonhard Euler
All Works by Eneström Number
No abstract provided.
Sur Le Principe De La Moindre Action, Leonhard Euler
Sur Le Principe De La Moindre Action, Leonhard Euler
All Works by Eneström Number
No abstract provided.
Scientia Navalis, Volume 1, Leonhard Euler
Scientia Navalis, Volume 1, Leonhard Euler
All Works by Eneström Number
No abstract provided.
Introductio In Analysin Infinitorum, Volume 1, Leonhard Euler
Introductio In Analysin Infinitorum, Volume 1, Leonhard Euler
All Works by Eneström Number
No abstract provided.
De Solutione Problematum Diophanteorum Per Numeros Integros, Leonhard Euler
De Solutione Problematum Diophanteorum Per Numeros Integros, Leonhard Euler
All Works by Eneström Number
Euler searches for integer solutions to axx+bx+c=yy and considers some applications to figurate numbers.
Mechanica, Volume 1, Leonhard Euler
Mechanica, Volume 1, Leonhard Euler
All Works by Eneström Number
Mechanica (this volume, along with E16) is Euler's outline of a program of studies embracing every branch of science, involving a systematic application of analysis. It laid the foundations of analytical mechanics, the result of Euler's consideration of the motion produced by forces acting on both free and constrained points. It was also the first published work in which the number e appeared. This volume focuses on the kinematics and dynamics of a point-mass, introducing infinitely small bodies that can be considered to be points under certain assumptions. Euler focuses on single mass-points except for a few pages at …