Physical Sciences and Mathematics Commons^™

Test 404 Oliver Row-Crop 77 Hc, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.

Ground-Water Levels In The Lower Platte River Valley, Nebraska, H. A. Waite

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Preparation And Physical Properties Of Some Unsymmetrically Substituted Ethanes, William F. Buth

Bachelors’ Theses

Early in 1947, while investigating the potentialities of various compounds for use as liquid dielectric materials, A method was found for the preparation of unsymmetrical ditolyl ethane by a condensation method using sulfuric acid. This material was thought to have excellent dielectric characteristics so it was prepared and tested. The tests were favorable enough, to warrant further investigation into the field of the unsymmetrical ethanes. Being aware of the physical properties required for a good liquid dielectric; it was proposed to prepare a few of the related compounds for which no data was known to exist and to select those …

A Study Of The Prussian Blue Test For Nitrogen, Marilyn M. Erickson

Bachelors’ Theses

The problem of obtaining good nitrogen tests on all types of organic compounds interested the author as a re­sult of past experience in the identification of organic compounds.

The practical application of a positive solution to this problem would be an aid to the students of charac­terization of organic compounds. It is necessary for them to make an elementary analysis in order to determine the class into which the unknown compound belongs. A nitrogen test which will give definite results will eliminate any doubt as to the presence of nitrogen.

The Molecular Weight Of Liquids In The Liquid State, Catherine O'Toole

Bachelors’ Theses

A Thesis Submitted to the Faculty of the College of Liberal Arts of Marquette University in Partial Fulfillment of the Requirements for the Degree of Bachelor of Science, Milwaukee, Wisconsin

The Trivalent State Of Uranium, Virginia M. Kubacki

Bachelors’ Theses

Besides being of practical importance in the preparation of compounds, the valence of an element is of theoretical significance because it is a clue to the electronic structure of the atom. In the case of elements which have several valences the relative stability and the means of changing from one state of oxidation to another are also important.

Uranium has valences of three, four, five, and six, but the reactivity of the trivalent uranium ion causes difficulties in the preparation of its compounds. Dr. Scott L. Kittsley in his investigation of the trivalency of uranium found that it is possible …

The Effect Of Metallic Fluorides On Oleic Acid At Elevated Temperatures, Lorraine W. Dupuis

Bachelors’ Theses

The problem of finding the effect of metallic fluorine compounds on oleic acid at elevated temperatures was presented in connection with the thesis of J.J. Wocasek of Marquette University. Doctor Wocasek had used fluorine compounds as catalysts in a.n attempt to find a sub­stitute for tung oil. He used the fluorides as catalysts in the esterification of glycerol with unsaturated acids.

Petrology Of The Upper Marietta And Hundred Sandstones In Southeastern Ohio, Wayne Dudley Martin

Graduate Theses, Dissertations, and Problem Reports (ETD)

A petrographic study was made of two Lower Permian (Dunkard Series) sandstones in southeastern Ohio. The sandstone members with which the investigation was concerned are the Upper Marietta sandstone and the Hundred sandstone. The study was made in order to determine the origin of the sandstones and the practicability of applying geologic methods to the grindstone industry. The results of the study indicate that although some of the constituents of these sandstones were derived from igneous and sedimentary source rocks, a relatively large amount of material was derived from metamorphic rocks. The detritus was transported from the east and deposited …

Test 391 Oliver Standard 88, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.

Test 405 Oliver Standard 77, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.

Test 398: Allis-Chalmers Model G, 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 394: Massey-Harris Model 55, 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 …

A Phase Of The Upper Devonian Of Western Highland County, Virginia, Helen Pulver Foreman

Honors Papers

This paper is a study of the Brallier and Chemung formations of west Highland County, Virginia. The limits of the Brallier formation are determined on the basis ot faunal and lithological evidence, and correlations made with formations in New York, Pennsylvania, Maryland and West Virginia.

The field work was carried on during the latter part of the summer of 1947 and the identification and correlations worked out in the winter of 1947 and the spring of 1948.

Separation And Identification Of The 2,4-Dinitrophenylhydrazones Of The Oxidation Products Of Glycerol., Gwendolyn Parker Mcclure

Electronic Theses and Dissertations

No abstract provided.

The Determination Of The Surface Tension Of Benzyl Ether, Sze-Kwei Min

Masters Theses

"The accurate determination of surface tension is of importance in the investigation of theories of surface structure, the structure of liquids, molecular cohesion, in the study of colloids, especially in physiological work, and in various lines of technical chemistry. The two methods most commonly used for determining surface tension are the capillary rise method and the drop weight method. The theory of the former is simple, but its technique is difficult. Its use in some cases is the cause of errors as high as 30%, due to its inapplicability to certain classes of substance, and is much more sensitive to …

The Effect Of Spontaneous Crystallization Of Some Inorganic Compounds At The Critical Temperature Of Their Solvents, John William Buttrey

Masters Theses

"For many years the phenomena which occur at the critical temperature of liquids have been investigated. And since 1912, when Laue and other discovered that a beam of x-rays could be made to yield a diffraction pattern by passing it through a crystal, scientists have been attempting to change the x-ray pattern for various crystals by somehow changing the arrangement of the atoms in the crystal lattice. Harvalik has already shown that crystallization occurs when a solvent reaches the critical point and his work indicates that under these conditions of crystallization there is a change in the crystal pattern. The …

Geology Of The Berryman Area, Washington County, Missouri, Jack Alexander James

Masters Theses

"Purpose and scope - The are discussed in this thesis was selected because of recent exploration for lead within this region and because of the need for more detailed information of the structure and geologic history of the area. The work constitutes part of a program of geologic mapping by the Missouri Geological Survey and Water Resources to complete the mapping of a strip of quadrangles extending across the Ozark Uplift from Rolla eastward to the Mississippi River"--Introduction, page 1.

Reduction Of Beryllium Compounds With Magnesium, Pei Wang

Masters Theses

"The purpose of this research was to investigate the thermal reduction of beryllium compounds and to devise a method to estimate the metallic beryllium content in the final product"--Introduction, page 1.

A Microwave Polarimeter, Alfred E. Schwaneke

Masters Theses

"The dissertation on the following pages may read more like a construction article than an approach to a study of physical phenomena. If so, its purpose is clearly defined. this subject has been studied little from an experimental viewpoint, so one of the main objectives of this writing is to describe the instrument so others may read the article and reproduce this or an equivalent device without a great amount of reading and searching for information on just how to fabricate and mount the parts. No single book or article that I know of covers the inexpensive construction of such …

Hysteresis Loss Of Supermalloy At Different Temperatures, Chester Ray Holland

Masters Theses

"The object of this investigation was to measure the hysteresis loss of supermalloy at different temperatures, and to see if temperature had any effect on hysteresis loss and permeability. The maximum magnetizing current was held constant for all temperatures"--Introduction, page 1.

The Kerr Electro-Optic Effect In Plastic Materials Transmitting Infra-Red Radiation, James Edson Dueker

Masters Theses

"Much work has been done investigating the Kerr Electro-Optic effect and what physical properties of a substance lead to the occurrence of the phenomenon. Information now available indicates a relationship between molecular shape and orientation with the Kerr Effect, hence any added information increases the possibility for finding the exact relationship and the molecular structure of substances. The Kerr Effect, has been used in a number of applications other than for the study of molecular construction of matter. Many applications have been made to form Electro-Optic shutters. This field of work has been increased to include light flash production and …

Radioactivity Of The Pre-Cambrian Section Of The Bourbon, Missouri, Well Core By Measurement Of The Total Hard Gamma Radiation, Paul E. Damon

Masters Theses

"In December of 1947 Mr. Robert Van Nostrand and the writer became interested in the problem of the distribution of natural radioactivity and the applications of radioactivity to geology. A cooperative survey of the literature on the subject was undertaken. Later the writer decided to follow up the survey with a research project. Consultations with Dr. Z. V. Harvalik of the Missouri School of Mines Physics Department, and Dr. E. L. Clark and Mr. O. M. Bishop of the Missouri Geological Survey, followed. The nature of the project was evolved when Dr. Clark, with the consent of the U. S. …

Test 403: Massey-Harris Model 22 Rt, 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 …

Fatty Acids From Muskrat Scent Glands., Homer Bennett Hix

LSU Historical Dissertations and Theses

No abstract provided.

Dielectric And Solvent Effects On The Alkaline Hydrolysis Of Ethyl-Acetate., James Edward Potts

LSU Historical Dissertations and Theses

No abstract provided.

The Preparation, Characterization, And Thermal Decomposition Products Of Di-Tertiary Butyl-Carbonate And Tertiary Butyl-Chlorocarbonate., James Wesley Rogers

LSU Historical Dissertations and Theses

No abstract provided.

The Migration Of Acyl Groups In Ortho-Aminophenols., Edgar Dumont Smith

LSU Historical Dissertations and Theses

No abstract provided.

An Investigation Of The Toxicity Of Tung Meal., James Arthur Watson

LSU Historical Dissertations and Theses

No abstract provided.

The Field Of Values Of A Matrix., John Cecil Currie

LSU Historical Dissertations and Theses

No abstract provided.

Piedmont Interstream Surfaces Of The Colorado Springs Region., Benjamin Almon Tator

LSU Historical Dissertations and Theses

No abstract provided.