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Articles 31 - 60 of 133
Full-Text Articles in Engineering
Adiabatic Distillation Of Dilute Formaldehyde Solutions, Robert L. Craven
Adiabatic Distillation Of Dilute Formaldehyde Solutions, Robert L. Craven
Theses
No abstract provided.
Fm 30-16, Technical Intelligence, 29 June 1953, Robert Bolin , Depositor
Fm 30-16, Technical Intelligence, 29 June 1953, Robert Bolin , Depositor
Department of Defense Military Intelligence
This is the first US Army manual on technical intelligence. The concept of technical intelligence developed during World War II. Technical intelligence doctrine was formalized by a series of army training circulars and other directives. Toward the end of WWII a new army Field Manual 30-15, Examination of Enemy Personnel, Repatriates, Civilians, Documents, and Materiel (June 1954) was issued, but that manual did not reflect the World War II technical intelligence experience or actual army practices. That manual was superceded by Field Manual 30-15, Examination of Personnel and Documents, 27 September 1951 and by this manual.
This manual defines technical …
Test 497: Case Model Sc, Nebraska Tractor Test Lab
Test 497: Case Model Sc, 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 496: Case Sc Gas, Nebraska Tractor Test Lab
Test 496: Case Sc Gas, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF TEST REPORT: 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 TEST B: The throttle …
Test 495: Someca Da 50, Nebraska Tractor Test Lab
Test 495: Someca Da 50, 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 …
News Bulletin - June-July, 1953, Civil Aviation Medical Association
News Bulletin - June-July, 1953, Civil Aviation Medical Association
Browse all Civil Aviation Medical Association Newsletters
A nine page newsletter of the Airline Medical Examiners Association which was published on an irregular basis from 1950-1957. This organization was a predecessor of the Civil Aviation Medical Association. The newsletter provided news about civil aviation medicine and information related to the organization.
The Construction And Operation Of A Universal Specimen Mount With Protective Lead Shield For The Purpose Of Determining Pole Figures Using The Schulz-Decker Transmission Technique, Richard L. Fausner
The Construction And Operation Of A Universal Specimen Mount With Protective Lead Shield For The Purpose Of Determining Pole Figures Using The Schulz-Decker Transmission Technique, Richard L. Fausner
Bachelors Theses and Reports, 1928 - 1970
It was the purpose of this study to construct a universal mount, to construct a protective lead shield, to operate the instrument, and to provide a pole figure using the transmission method of Schulz and Decker. There are at present several lengthy x-ray methods of determining the grain orientation of metals. These methods are mainly photographic. In order to provide a rapid means of obtaining the necessary information concerning the grain orientation of a metal, a universal mount was constructed.
The Lucky Hit Mine Of Jefferson County, Montana, Bruce B. Goddard
The Lucky Hit Mine Of Jefferson County, Montana, Bruce B. Goddard
Bachelors Theses and Reports, 1928 - 1970
Many mines in the Cardwell Mining District have been more or less steady producers of gold, silver, lead and zinc since 18SO. The area first came into prominence with the discovery of gold at the Mayflower Mine in 1896. Soon after the Mayflower discovery, many claims were located in the nearby Saint Paul Gulch area, northeast of Whitehall. The Lucky Hit Mine is located in Saint Paul Gulch area of the Cardwell Mining District.
Nonmetallic Mineral Resources Of Montana (Except Fuels), F. L. Rytlewski
Nonmetallic Mineral Resources Of Montana (Except Fuels), F. L. Rytlewski
Bachelors Theses and Reports, 1928 - 1970
Essentially, the paper is composed of seven parts, each of which concerns a group of related nonmetallic minerals such as ceramic materials, gemstones, or abrasives. Following the data pertaining to the minerals of each group are index mars locating the major mineral deposits which are known to date. Production and reserve figures are listed by tables in cases where such information is available.
Stratigraphy Of Kootenai In Montana, B. B. Jarrett
Stratigraphy Of Kootenai In Montana, B. B. Jarrett
Bachelors Theses and Reports, 1928 - 1970
The Kootenai of Montana is a variable formation as far as composition is concerned. The formation consisting largely of a series of sandstones, shales, and shaly sandstones. The presence of the limestone and carbonaceous members being irregular indicating variable climatic conditions throughout the deposition of the sediments. The fresh water environment being confined to the western slope, while the central and the eastern portions had more swampy conditions with local fresh water depositions.
Nitration Of Derivatives Of 2,5-Dichlorobenzenesulfonic Acid, William J. Conradi
Nitration Of Derivatives Of 2,5-Dichlorobenzenesulfonic Acid, William J. Conradi
Theses
The proof that a nitro group enters meta to the sulfonic acid group of 2,5-dichlorobenzenosulfonamide and 2,5-dichlorobenzenosulfonanilide is presented.
The preparation of several new compounds is described.
An unsuccessful attempt to prepare 2,5-dichloro-3-nitrobenzenesulfonyl chloride from 2,5-dichloronitrobenzene is also described.
Ultrafiltration In The Pigment Field : A Critical Literature Survey, Charles Walter Manger
Ultrafiltration In The Pigment Field : A Critical Literature Survey, Charles Walter Manger
Theses
The objective in this work has been to determine, through a critical literature survey, the possible application of ultrafiltration, and other related techniques, towards the solution of certain problems encountered in the research and testing of various pigments.
Among these problems may be mentioned the following:
- The determination of water-soluble salts in pigments, which when dispersed in water to leach out the salts, tend to peptize, thus being unfilterable through the usual filter paper. Among these pigments are the following: iron blue, certain chrome yellows, pigment green B, copper maroon, and several others. It may be added that these pigments …
Correlation Of The Number Of Theoretical Plates Vs. Reflux Ratio, George Ignatius Parisi
Correlation Of The Number Of Theoretical Plates Vs. Reflux Ratio, George Ignatius Parisi
Theses
A correlation is presented from which the number of theoretical plates for a given separation by distillation can be estimated as a function of the reflux ratio. The effects of relative volatility and feed composition upon such a correlation are also studied. Smoker's (1) equation was used in calculating the data. The results were obtained by varying the several parameters which have to be given for any separa tion desired. These include feed compositions of 0.25, 0.50, and 0.75; relative volatilities of 1.1, 1.2, 1.5, and 2.0; and various reflux ratios. The overhead product and bottoms product compositions were kept …
The Effect Of Surface Tension Upon The Flow Of Fluids Through Packed Beds, William Charles Streib
The Effect Of Surface Tension Upon The Flow Of Fluids Through Packed Beds, William Charles Streib
Theses
Flow tests through beds of unconsolidated sand, glass beads and 1/4 inch Berl saddles showed that wide variations in the surface tension of a fluid had no significant effect on its flowrate through the bed. Viscosity and density were the only fluid properties affecting such flow. Excellent comparative results were observed between the flowrates through sand beds and those predicted by the Leva equation.
The complex Brownell and Katz equation for predicting the residual saturation of a packed bed was found to apply for fluids having a much wider range of surface tension than those originally used to derive their …
The Development Of Executives, Joseph Ralph Messineo
The Development Of Executives, Joseph Ralph Messineo
Theses
The ever-increasing trend toward improved industrial efficiency creates the problem of supplying capable executives. The supply of executive manpower in business corporations ever needs replenishing. Expansion of operations, retirements, and other circumstances cause executive demands and vacancies which must be filled. Therefore, the purpose of this thesis is to analyze and report on what industry is actually doing today to develop executives to meet present and future requirements. Also, it is the author's intent to formulate a comprehensive executive development program that can be adopted with some limitations by industry for the building of an executive reserve.
In order to …
Preparation And Spectra Of M-Nitrobenzoates And M-Aminobenzoates, Peter Tikey Kapsamalis
Preparation And Spectra Of M-Nitrobenzoates And M-Aminobenzoates, Peter Tikey Kapsamalis
Theses
A study of the synthesis of a series of new m-nitrobenzoates, m-aminobenzoates and several derivatives of the latter is presented.
Physisal constants and analytical determinations are presented, including the ultraviolet absorption spectra of the compounds prepared.
Substituted Ureas, Roy Earl Parks
Substituted Ureas, Roy Earl Parks
Theses
Nitrosomethylurea in aqueous medium decomposes on heating to methanol, nitrogen and cyanic or isocyanic acid. Primary amines present during the decomposition react with cyanic acid to form substituted ureas, readily isolated in high purity and good yield.
Engineering Geology For Dams, Howard T. Bolton
Engineering Geology For Dams, Howard T. Bolton
Civil Engineering ETDs
No abstract provided.
An Analysis Of A Cathode-Coupled Multivibrator, Fred T. Sinnott
An Analysis Of A Cathode-Coupled Multivibrator, Fred T. Sinnott
Electrical and Computer Engineering ETDs
The purpose of this study is to develop an analysis for monostable cathode-coupled multivibrators and verify the analysis by experimental results.
Investigations In Prestressed Concrete Design, Anthony Radosevich
Investigations In Prestressed Concrete Design, Anthony Radosevich
Civil Engineering ETDs
No abstract provided.
A Plane Coordinate System For Bernalillo County, Karl V. Morin
A Plane Coordinate System For Bernalillo County, Karl V. Morin
Civil Engineering ETDs
The first purpose of this thesis is to frame an enabling act that could be submitted to legislature for adoption. Such an act would authorize the use of plane coordinate system, but not make it mandatory. Twenty-four states have passed laws establishing state coordinate systems.
A second purpose of this thesis is to provide practicing engineers with all the necessary information and explanatory material in one manuscript to permit them to apply the system to their work. An example is worked out in detail using local points known to local men and fully explained step by step.
In addition to …
Test 494: Ford Naa, Nebraska Tractor Test Lab
Test 494: Ford Naa, 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 …
The Flotation Concentration Of A Complex Low-Grade Lead Zinc Ore, Edward James Fong
The Flotation Concentration Of A Complex Low-Grade Lead Zinc Ore, Edward James Fong
Bachelors Theses and Reports, 1928 - 1970
This report is concerned primarily with the beneficiation of a low-grade complex lead-zinc ore. The depletion of high grade veins has caused the mineral engineer to seek deposits deeper in the earth's crust or to find lower grade deposits. The other alternative has placed more research problems on Mineral Dressing Engineers in particularly the iron, copper, lead and zinc fields.
A Historical Study Of Flood Prior To 1892 In The Rio Grande Watershed, New Mexico, Rufus H. Carter
A Historical Study Of Flood Prior To 1892 In The Rio Grande Watershed, New Mexico, Rufus H. Carter
Civil Engineering ETDs
The purpose of this study is twofold: first, to collect as much recorded data as possible on the floods in the Rio Grande watershed in New Mexico prior to 1892, and second, to summarize that data with particular reference to hydrologic and economic facts that appear in the record.
An Analysis Of The Monostable Cathode-Coupled Multivibrator, Joseph C. Connell
An Analysis Of The Monostable Cathode-Coupled Multivibrator, Joseph C. Connell
Electrical and Computer Engineering ETDs
II. PURPOSE OF THESIS
The foregoing comments pointed out the facts that: 1) little has been done to show the similarity between the multivibrator and the RC amplifier with degenerative feedback; 2) the existing treatment of the conditions under which a linear relationship between pulse duration and applied grid voltage will exist does not give results which are in very good agreement with the values used in a practical circuit.
It is the purpose of this study to fill in these gaps by showing that the equations resulting from an analysis of the cathode-coupled multivibrator are, in general, those of …
An Investigation Of The Water Supply Of The Laramie River Basin And Its Utilization, Omer D. Hall
An Investigation Of The Water Supply Of The Laramie River Basin And Its Utilization, Omer D. Hall
Civil Engineering ETDs
Many plans have been proposed during the last quarter century for increasing the water supply available to the Laramie River Basin. It is the purpose of this thesis to consider physically possible plans for increasing the available water and to estimate the amount of this increase. The lining of canals on the Wheatland project is suggested and studied in detail.
A Proposed Traffic Interchange For The City Of El Paso, Paul C. Hassler
A Proposed Traffic Interchange For The City Of El Paso, Paul C. Hassler
Civil Engineering ETDs
This survey was conducted at the request of the Traffic Division of the El Paso Police Department for the purpose of improving the supervision and administration of the department. The main conclusions, in addition to the recommendation of certain changes and expansions of the Police Department, was that the city hire a traffic engineer to unsnarl its traffic problems. At this writing preliminary steps have been taken in both directions by the commission.
Host Rocks And Gangue Minerals Associated With Copper Deposits In Plutonic Igneous Rocks, Richard D. Montgomery
Host Rocks And Gangue Minerals Associated With Copper Deposits In Plutonic Igneous Rocks, Richard D. Montgomery
Bachelors Theses and Reports, 1928 - 1970
All of the information on the various districts has come directly from published reports. The investigation was suggested by Mr. Forbes Robertson. The geographical extent of the deposits was confined to the western United States. Many of these deposits are of the disseminated porphyry type. A few of the deposits, such as at Butte, Montana, were of the fissure vein type.
An Investigation Of The Effect Of Feedback On Amplifier Figure Of Merit, John L. Crone
An Investigation Of The Effect Of Feedback On Amplifier Figure Of Merit, John L. Crone
Electrical and Computer Engineering ETDs
It was the purpose of this investigation to determine the effect of feedback on the figure of merit of (1) the resistance coupled amplifier; (2) the shunt peaked amplifier; and (3) the single tuned amplifier.
Studies Of Tempering Behavior Of Steel X-9165 Of N-A-X 9100 Series, James A. Ndulue
Studies Of Tempering Behavior Of Steel X-9165 Of N-A-X 9100 Series, James A. Ndulue
Bachelors Theses and Reports, 1928 - 1970
One of the reasons why steel is the most versatile of all the metals available for engineering applications is because of the wide range of properties that can be obtained from it by proper heat treatment.