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Articles 291991 - 292020 of 293789
Full-Text Articles in Entire DC Network
History Of The Thermionic Tube, Mary Liguoria Urbin
History Of The Thermionic Tube, Mary Liguoria Urbin
Bachelors’ Theses
My interest in the field of physics being that of electricity, I have been permitted to pursue this thesis in the field of thermionics.
The thermionic tube is one of vital importance not only in the field of radiotelegraphy and radiotelephony, but is of great value in the field of engineering and a vast asset in university and college laboratories. In fact, its advent has opened up a new era in many fields. H. J. Van Bijl terms is a "versatile talking bottle." In a paper of this nature only the important features can be stressed, and even here much …
Resource News-January/February 1993
Resource News-January/February 1993
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Drying Of Solids : I. Prussian Blue., Orville K. Schmied 1910-1984
Drying Of Solids : I. Prussian Blue., Orville K. Schmied 1910-1984
Electronic Theses and Dissertations
No abstract provided.
The Origin Of The Place Names Of Nebraska, J.T. Link
The Origin Of The Place Names Of Nebraska, J.T. Link
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Test 213: Caterpiller Model 70, Nebraska Tractor Test Lab
Test 213: Caterpiller Model 70, 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 …
Nautiloid Cephalopods Of The Pennsylvanian System In Mid-Continent Region, A. K. Miller, Carl O. Dunbar, G. E. Condra
Nautiloid Cephalopods Of The Pennsylvanian System In Mid-Continent Region, A. K. Miller, Carl O. Dunbar, G. E. Condra
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
On The Element Of Decomposition Of A Doubly Periodic Function Of The Second Kind, M. A. Basoco
On The Element Of Decomposition Of A Doubly Periodic Function Of The Second Kind, M. A. Basoco
Department of Mathematics: Faculty Publications
Hermite has shown that a meromorphic function which satisfies periodicity relations of the form (1) F (z + 2ω) = μF (z), F (z + 2ω’) = μ’F (z), where ω’/ω = a+ib, b>0, and μ, μ' are independent of z, maybe expressed in terms of the function v{z + X) (2) G(z) = σ(z + λ) ÷ σ(z) + σ(λ) eρz, and its derivatives, in which λ, ρ are suitably determined constants and σ(u) is the …
Determination Of The Limits And Accuracy Of Potassium Ferricyanide As An Outside Indicator In The Determination Of Iron And A Comparison Of This Outside Indicator With Diphenylamine As An Inside Indicator, Eugene D. Burr
Electronic Theses and Dissertations
In the volumetric course as offered by the Department of Chemistry of South Dakota State College for the spring term of 1931, we experienced difficulties in the methods which we were using for the determination of iron. The general method used was that of Penny's, using an outside indicator of potassium ferricyanide, and titrating with potassium dichromate.
The Missouri Valley Traverse In Iowa North Of The Jones Point Deformation, G. E. Condra
The Missouri Valley Traverse In Iowa North Of The Jones Point Deformation, G. E. Condra
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
The Red Oak-Stennett-Lewis Traverse Of Iowa, G. E. Condra
The Red Oak-Stennett-Lewis Traverse Of Iowa, G. E. Condra
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Resource News-November/December 1993
Resource News-November/December 1993
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Test 214: Caterpiller "Diesel 50", Nebraska Tractor Test Lab
Test 214: Caterpiller "Diesel 50", 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 217: Caterpiller "Diesel 35", Nebraska Tractor Test Lab
Test 217: Caterpiller "Diesel 35", 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 220: Mccormick-Deering Farmall "F-12" (Kerosene), Nebraska Tractor Test Lab
Test 220: Mccormick-Deering Farmall "F-12" (Kerosene), 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 216: Allis-Chalmers Model M, Nebraska Tractor Test Lab
Test 216: Allis-Chalmers Model 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 …
Wax Analysis With Special Reference To Montan, Spermaceti, And Chinese Insect Wax, Margaret M. Plonsker, Margaret E. Seippel
Wax Analysis With Special Reference To Montan, Spermaceti, And Chinese Insect Wax, Margaret M. Plonsker, Margaret E. Seippel
Bachelors’ Theses
The presentation of this thesis under joint authorship finds its justification in the fact that much of the experimental work, though performed individually, is of such a nature as to warrant a unified description. In this way the reader is afforded a better representation and clearer conception of the problem, and a substantial guide for further investigation. Though much work has been done in the field of wax analysis, little is known of the higher fatty acids and alcohols of many of the waxes. Their isolation has been infrequent, and few if any of their derivatives have been formed. It …
Latitudinal Variations, Lauren James Hervey
Latitudinal Variations, Lauren James Hervey
Bachelors’ Theses
Because of the peculiar way the problem that is dealt with in this paper evolved, it is necessary to indicate some of the reasoning and a few of the steps that led to the final statement of the problem in its simplified form.
The Oxidation Of Amino Alcohols., Loran S. O'Bannon 1910-1995
The Oxidation Of Amino Alcohols., Loran S. O'Bannon 1910-1995
Electronic Theses and Dissertations
No abstract provided.
Steric Hindrance In The Ketonic Splitting Of Substituted Acetoacetic Ester, Claude Stanley Abshier
Steric Hindrance In The Ketonic Splitting Of Substituted Acetoacetic Ester, Claude Stanley Abshier
Masters Theses
"The phenomenon of steric hindrance has been observed and investigated in a variety of reactions, most of which have been with aromatic compounds. In this branch of study the speeds of reaction of ethyl acetoacetate, α-mono-methyl-ethyl-acetoacetate, α-mono-ethyl-ethyl-acetoacetate, α-mono-propyl-ethyl-acetoacetate in the presence of 0.05 and 0.10 normal hydrochloric acids have been investigated at temperatures between 60⁰C. and 90⁰C. An attempt has been made to explain the results obtained"--Introduction, page 1.
Test 219: Massey-Harris "3-4 Plow", Nebraska Tractor Test Lab
Test 219: Massey-Harris "3-4 Plow", 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 218: Caterpiller "Diesel 75", Nebraska Tractor Test Lab
Test 218: Caterpiller "Diesel 75", 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 215: Allis-Chalmers Special K, Nebraska Tractor Test Lab
Test 215: Allis-Chalmers Special K, 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 212: Mccormick-Deering Farmall "F-12", Nebraska Tractor Test Lab
Test 212: Mccormick-Deering Farmall "F-12", 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 Preparation And Specific Gravity Of Pure Formic Acid And Its Aqueous Solutions, Leo Henry Merchie
The Preparation And Specific Gravity Of Pure Formic Acid And Its Aqueous Solutions, Leo Henry Merchie
Masters Theses
"Formic acid, the lowest member of the fatty acid series, was obtained as early as the seventeenth century by distilling ants with water. Other methods were later found after the correct constitution of the acid became known. This acid is not difficult to prepare in a water solution, but it is difficult to obtain in the anhydrous state...The purpose of this work is to study the various methods of preparing anhydrous formic acid, to improve a method for preparing the anhydrous acid, and to correct specific gravity tables for aqueous solutions of formic acid"--Introduction, page 1-2.
On The Summability And Generalized Sum Of A Series Of Legendre Polynomials, W. C. Brenke
On The Summability And Generalized Sum Of A Series Of Legendre Polynomials, W. C. Brenke
Department of Mathematics: Faculty Publications
The results obtained in this paper are as follows. (A) The series of Legendre polynomials ΣnpXn(x), where p is a positive integer, is summable (H, p) for -1< x < 1, and summable (H, p +1) for - 1 ≤ x < 1 .
The Grenola Formation, G. E. Condra, C. E. Busby
The Grenola Formation, G. E. Condra, C. E. Busby
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
The Middle River Traverse Of Iowa, G. E. Condra, J. E. Upp
The Middle River Traverse Of Iowa, G. E. Condra, J. E. Upp
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Faunal Lists Of The Tertiary Vertebrata Of Nebraska And Adjacent Areas, H. J. Cook, M. C. Cook
Faunal Lists Of The Tertiary Vertebrata Of Nebraska And Adjacent Areas, H. J. Cook, M. C. Cook
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Resource News-May/June 1993
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
A Study Of Methods For Separating The Elements That Interfere In The Electrolytic Deposition Of Lead As Lead Oxide, John Shaw Sabine
A Study Of Methods For Separating The Elements That Interfere In The Electrolytic Deposition Of Lead As Lead Oxide, John Shaw Sabine
Masters Theses
"The electrolytic determination of lead as lead dioxide is a very desirable method, due to its simplicity, accuracy, and the small amount of the analyst's time required. The electrolytic method functions when both large and small amounts of lead are present. The method depends upon the fact that from a nitric acid solution the lead is plated upon the anode as lead dioxide; from the lead dioxide deposit the percentage of lead may be calculated.
An electrolytic method, for determining the lead in samples containing from 5 to 150 mg. of lead, was described in a paper by Schrenk and …