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Articles 290701 - 290730 of 294557
Full-Text Articles in Entire DC Network
Test 567: John Deere 80 Diesel, Nebraska Tractor Test Lab
Test 567: John Deere 80 Diesel, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF TEST REPORT: John Deere 80 Diesel TEST A: The manufacturer's representative operates the tractor for a minimum of 12 hours using light to heavy drawbar loads in each gear. This serves as a period for limber up, general observation and adjustments. Adjustments that are permissible include valve tappet clearance, breaker ,point gap, spark plug gaps, clutch and others of a similar nature. No new parts or accessories can be installed without having mention made of it in the report. No data' are recorded during this preliminary run except the time that the engine is operated. BELT HORSEPOWER TESTS …
Stream Piracy And Glacial Diversion Of Little Missouri River, North Dakota, Emmett R. Schmitz
Stream Piracy And Glacial Diversion Of Little Missouri River, North Dakota, Emmett R. Schmitz
Theses and Dissertations
Bedrock river terraces, as much as 275 to 500 feet above the present Little Missouri, are remnants of a former floodplain. The presence of these former shallow valley floor (Little Missouri Terrace No. 4) along the pre-glacial channel and east and north of the Killdeer Mountains suggests several pre-glacial rivers.
Peripheral precipitation in advance of the Kansan-Illinoian glacier, head-ward erosion with consequent new gradient breached the divide between the pre-glacial Little Missouri River and the “Medicine Stone” River, (herein named, after a local landmark), which flowed eastward into pre-glacial Missouri River.
The history of that portion of the Little Missouri …
Condensation Reaction Of Terephthaladehyde And Acetophenone, Lloyd J. Mitchell
Condensation Reaction Of Terephthaladehyde And Acetophenone, Lloyd J. Mitchell
University of the Pacific Theses and Dissertations
The plant pigments constitute a fascinating group of compounds whose constitution has only recently been partially clarified. Roughly speaking, there are two main groups of pigment: the plastids, associated with the protoplasmic structure of plants, and the anthocyanins, generally found in solution in the cell sap. The term “anthocyanin” is derived from the Greek, “antho” signifying flower and “cyan” meaning blue, and was introduced by the botanist Marquart in 1835 to designate the blue pigments of flowers. It has since been extended to include all of the pigments of this group, the anthocyanin pigments being responsible for the innumerable shades …
Correlation Functions For Use In Small Angle X-Ray Scattering, James Edwin Thomas Jr.
Correlation Functions For Use In Small Angle X-Ray Scattering, James Edwin Thomas Jr.
Masters Theses
"Thus, the determination of the structure of the material, and obtaining a distribution function which will enable the theoretical scattering to be predicted is the major problem.
In this work the diffraction material shall be considered to contain scattering regions of identical geometrical forms at such a distance from one another that they will essentially scatter the incident beam independently of their closest neighbor. An effort will be made to determine a correlation function characteristic of these forms, which may be interpreted as a distribution function, that might allow the low angle scattering pattern to be predicted. This correlation function …
Subsurface Correlations Of The Cretaceous Greenhorn-Lakota Interval In North Dakota : A Study In Facies, Dan E. Hansen
Subsurface Correlations Of The Cretaceous Greenhorn-Lakota Interval In North Dakota : A Study In Facies, Dan E. Hansen
Theses and Dissertations
No abstract provided.
A Special Case Of The Hammett Equation, W.R. Gilkerson, Gordon A. Gallup, M.M. Jones
A Special Case Of The Hammett Equation, W.R. Gilkerson, Gordon A. Gallup, M.M. Jones
Gordon Gallup Publications
The usefulness of the Hammett equation in some unexpected instances is explained on the basis of the Absolute Reaction Rate Theory. Caution is recommended in the use of such reactions in theoretical studies of substituent effects.
The Monadnock Volume 29, Number 1, December 1954, Clark University Geographical Society
The Monadnock Volume 29, Number 1, December 1954, Clark University Geographical Society
The Monadnock (Clark Geographical Society)
Volume 29, Issue 1 of The Monadnock. The Monadnock was the alumni magazine of the Clark University Geographical Society (1927-1985) (2014-present).
Addition Of Sodium Nitrate (1954), Walter A. Lawrance
Addition Of Sodium Nitrate (1954), Walter A. Lawrance
Walter Lawrance Papers
No abstract provided.
Benthal Deposits (1954), Walter A. Lawrance
Benthal Deposits (1954), Walter A. Lawrance
Walter Lawrance Papers
No abstract provided.
Odor Report (1954), Walter A. Lawrance
Press Reports (1954), Walter A. Lawrance
Analytical Data (1954), Walter A. Lawrance
Analytical Data (1954), Walter A. Lawrance
Walter Lawrance Papers
No abstract provided.
Test 530: David Brown Model 25 (Gasoline), Nebraska Tractor Test Lab
Test 530: David Brown Model 25 (Gasoline), Nebraska Tractor Test Lab
Nebraska Tractor Tests
This report and any related files are made available to the online through the Lester F. Larsen Tractor Test and Power Museum as resources allow. Established in 1998, this museum is located on the University of Nebraska-Lincoln East Campus. It is and appropriately housed within the walls of the historic 1920 Nebraska Tractor Test Laboratory, where the first tractor test was started on March 31st, 1920. Because the pioneer tests became worldwide standards, this location was designated as a Historic Landmark of Agricultural Engineering by the American Society of Agricultural Engineers in 1980, shortly after testing was moved to a …
Test 528: John Deere 70 Diesel, Nebraska Tractor Test Lab
Test 528: John Deere 70 Diesel, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF TEST REPORT: John Deere 70 Diesel TEST A: The manufacturer's representative operates the tractor for a minimum of 12 hours using light to heavy drawbar loads in each gear. This serves as a period for limber up, general observation and adjustments. Adjustments that are permissible include valve tappet clearance, breaker ,point gap, spark plug gaps, clutch and others of a similar nature. No new parts or accessories can be installed without having mention made of it in the report. No data' are recorded during this preliminary run except the time that the engine is operated. BELT HORSEPOWER TESTS …
An Experiment Of The Time Variations Of Cosmic Rays Underground, Mercedes Merner Agogino
An Experiment Of The Time Variations Of Cosmic Rays Underground, Mercedes Merner Agogino
Physics & Astronomy ETDs
Ever since the discovery of cosmic rays, investigations of time variations in their intensity have been carried out in the hope of obtaining information on their nature and origin. Early experiments were somewhat contradictory, but it was soon clear that any variation present could be no longer than a few percent at the most. This meant that experiments had to be carefully planned and carried out over a long period of time to attain the statistical accuracy necessary for clear-cut results. In addition, the influence of the atmosphere and the earth's magnetic field made it very difficult to interpret the …
The Measurement Of The Concentration Of Ozone In The Atmosphere By The Oxidation Of Silver, Albert Goodman
The Measurement Of The Concentration Of Ozone In The Atmosphere By The Oxidation Of Silver, Albert Goodman
Physics & Astronomy ETDs
Under conditions of standard temperature and pressure, it has been found that no reaction occurs between silver and oxygen, nor between silver and ozone. When the temperature of the silver is raised, however, it is oxidized by ozone but not by oxygen. Upon raising the products of the reaction to a still higher temperature, they decompose into silver and ordinary oxygen. By measuring the amount of oxygen thus produced, it would be possible to calculate the amount of ozone involved originally.
Test 527: Oliver Super 88 Diesel, Nebraska Tractor Test Lab
Test 527: Oliver Super 88 Diesel, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 524: Oliver Super 55, Nebraska Tractor Test Lab
Test 524: Oliver Super 55, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 526: Oliver Super 55 Diesel, Nebraska Tractor Test Lab
Test 526: Oliver Super 55 Diesel, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 525 Oliver Super 88, Nebraska Tractor Test Lab
Test 525 Oliver Super 88, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Concerning Rings Of Continuous Functions, Leonard Gillman, Melvin Henriksen
Concerning Rings Of Continuous Functions, Leonard Gillman, Melvin Henriksen
All HMC Faculty Publications and Research
The present paper deals with two distinct, though related, questions, concerning the ring C(X, R) of all continuous real-valued functions on a completely regular topological space X.
The first of these, treated in §§1-7, is the study of what we call P-spaces -- those spaces X such that every prime ideal of the ring C(X, R) is a maximal ideal. The background and motivation for this problem are set forth in §1. The results consist of a number of theorems concerning prime ideals of the ring C(X, R) in general, as well as a series of characterizations of P-spaces in …
The Synthesis Of 2-Methyl-3, 4-Benzpyrene And 2, 8-Dimethyl-3, 4-Benzpyrene, James W. Patton
The Synthesis Of 2-Methyl-3, 4-Benzpyrene And 2, 8-Dimethyl-3, 4-Benzpyrene, James W. Patton
Chemistry and Chemical Biology ETDs
In 1933 Cook, Hewett and Hieger (1) isolated a carcinogenic hydrocarbon from coal tar thought to be 3,4-benzpyrene (I).
Test 523: Harris Four-Wheel-Drive Model Fdw-C, Nebraska Tractor Test Lab
Test 523: Harris Four-Wheel-Drive Model Fdw-C, Nebraska Tractor Test Lab
Nebraska Tractor Tests
This report and any related files are made available to the online through the Lester F. Larsen Tractor Test and Power Museum as resources allow. Established in 1998, this museum is located on the University of Nebraska-Lincoln East Campus. It is and appropriately housed within the walls of the historic 1920 Nebraska Tractor Test Laboratory, where the first tractor test was started on March 31st, 1920. Because the pioneer tests became worldwide standards, this location was designated as a Historic Landmark of Agricultural Engineering by the American Society of Agricultural Engineers in 1980, shortly after testing was moved to a …
Evaluations Of Two Proposed Mechanisms Of Cation Adsorption By Silicate Minerals, Norman D. Larsen
Evaluations Of Two Proposed Mechanisms Of Cation Adsorption By Silicate Minerals, Norman D. Larsen
Theses and Dissertations
Previous work done at the Brigham Young University by Andelin^1, Roberts^2, and Olsen^3, has established the mechanism by which xanthate collectors are adsorbed on molybdenite ores to produce the hydrophobic surfaces necessary for flotation. This thesis is an attempt to better understand the mechanism by which the silicate minerals, which are found in conjunction with the ores, become hydrophyllic and as a result are not floated when in contact with air bubbles. It has been previously established that silicate minerals do adsorb cations on their surfaces^4. The present study has been undertaken to more fully understand the mechanism by which …
The Structure Of A Shock Front In Argon, John W. Bond Jr.
The Structure Of A Shock Front In Argon, John W. Bond Jr.
Physics & Astronomy ETDs
If a one-dimensional shock wave travels through argon, the translational degrees of freedom of the atoms are immediately excited and reach translational equilibrium within two collision lengths. If the shock velocity is sufficiently high, energy will be transferred from the translational degrees of freedom to those of electronic excitation and ionization until complete thermal equilibrium exists. The region between the first disturbance in front of the shock and the point at which thermal equilibrium is first realized is the shock front.
The Separation Of Grain By Projection, Robert Katz, E. P. Farrell, Max Milner
The Separation Of Grain By Projection, Robert Katz, E. P. Farrell, Max Milner
Robert Katz Publications
A device is described which effects a continuous separation of internally infested wheat from sound wheat, and which separates wheat into a number of fractions of different test weight. A stream of wheat, projected into still air by rapidly moving belts, is dispersed by the combined effects of air drag and gravitation into numerous fractions which are caught in a series of hoppers. Infested kernels fall short of sound grain and are thus separated. Test weight varies progressively and characteristically with distance from the point of projection.
The Separation Of Grain By Projection. Ii. Systematic Differences In Physical Properties And Composition Of Wheat Fractions, Max Milner, E. P. Farrell, Robert Katz
The Separation Of Grain By Projection. Ii. Systematic Differences In Physical Properties And Composition Of Wheat Fractions, Max Milner, E. P. Farrell, Robert Katz
Robert Katz Publications
Analyses for test weight, 500-kernel weight, protein content, ash content, and hardness characteristics of fractions of 15 samples of hard red winter wheat, obtained by spectrometric separation, revealed high negative correlations in most cases between plumpness factors and protein and ash contents, and high positive correlations between plumpness factors and hardness, when the latter is determined with a single-stage instrument. The projection technique appears to provide a means for analyzing commercially mixed wheat for certain qualities of its components and it may be applied practically to separate either high protein fractions or high test weight fractions from ordinary commercial grain.
A Polarographic Study Of Respiration In A Blue-Green Alga, Samuel Leonard Cooke Jr.
A Polarographic Study Of Respiration In A Blue-Green Alga, Samuel Leonard Cooke Jr.
Master's Theses
The study of many aspects of physiology is accomplished by the study of respiration under varied conditions. For this purpose, a simple, rapid, and relatively accurate respirometer would be useful. This project was undertaken to investigate the possibility of adapting previously described polarographic techniques to the measurement of respiration.
Paper Partition Chromatography: A Qualitative Method For Separating The Amino Acid Residue Of Hydrolyzed Hordein, Samuel D. Toner
Paper Partition Chromatography: A Qualitative Method For Separating The Amino Acid Residue Of Hydrolyzed Hordein, Samuel D. Toner
Bachelors’ Theses
In the search for a new analytical procedure the author became interested in the field of paper chromatography, and especially in its relation to the study of amino acids. The source of amino acids used in this work was selected from the alcohol-soluble hordein fraction of barley. Special attention was given to obtaining more rapid separation of the amino acids on two-dimensional paper chromatograms.
Escrow Instructions To The First National Bank Of Nevada Regarding The Transfer Of Las Vegas Water Production From The Union Pacific Railroad To The Las Vegas Valley Water District, June 21, 1954, First National Bank Of Nevada, Los Angeles & Salt Lake Railroad Company, Las Vegas Valley Water District, Las Vegas Land And Water Company (Las Vegas, Nev.), Union Pacific Railroad Company
Escrow Instructions To The First National Bank Of Nevada Regarding The Transfer Of Las Vegas Water Production From The Union Pacific Railroad To The Las Vegas Valley Water District, June 21, 1954, First National Bank Of Nevada, Los Angeles & Salt Lake Railroad Company, Las Vegas Valley Water District, Las Vegas Land And Water Company (Las Vegas, Nev.), Union Pacific Railroad Company
Publications (WR)
Escrow instructions for the transfer of Las Vegas water production from the Union Pacific Railroad to the Las Vegas Valley Water District. Contract between the Los Angeles & Salt Lake Railroad, the Union Pacific Railroad, and the Las Vegas Land and Water Company.