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Articles 81991 - 82020 of 82877
Full-Text Articles in Entire DC Network
Employee Safety In The Use Of Men And Equipment On Highway Maintenance, Jack Carson
Employee Safety In The Use Of Men And Equipment On Highway Maintenance, Jack Carson
Kentucky's Annual Forum on Transportation
No abstract provided.
Planning Future County Road Systems, James T. Sabel
Planning Future County Road Systems, James T. Sabel
Kentucky's Annual Forum on Transportation
No abstract provided.
Rights-Of-Way For County Roads, James C. Colvin
Rights-Of-Way For County Roads, James C. Colvin
Kentucky's Annual Forum on Transportation
No abstract provided.
Design Of Flexible Pavements, A. O. Neiser
Design Of Flexible Pavements, A. O. Neiser
Kentucky's Annual Forum on Transportation
No abstract provided.
Soils, Their Classification, And Some Of Their Relations To Highway Construction, O. F. Threlkeld
Soils, Their Classification, And Some Of Their Relations To Highway Construction, O. F. Threlkeld
Kentucky's Annual Forum on Transportation
No abstract provided.
Comments On Report Given By C. T. Warwick On The Following Subject: "My Idea Of An Ideal Organization As It Relates To Maintenance, Equipment, Traffic And Safety.", Raymond Pile
Kentucky's Annual Forum on Transportation
No abstract provided.
"My Idea Of An Ideal District Organization As It Relates To Maintenance, Equipment, Traffic, And Safety.", C. T. Warwick
"My Idea Of An Ideal District Organization As It Relates To Maintenance, Equipment, Traffic, And Safety.", C. T. Warwick
Kentucky's Annual Forum on Transportation
No abstract provided.
Highway Contractors Are Ready To Go, A. N. Carter
Highway Contractors Are Ready To Go, A. N. Carter
Kentucky's Annual Forum on Transportation
No abstract provided.
Highway Educational Opportunities In Kentucky, D. V. Terrell
Highway Educational Opportunities In Kentucky, D. V. Terrell
Kentucky's Annual Forum on Transportation
No abstract provided.
Foreword [1952], R. E. Shaver
Foreword [1952], R. E. Shaver
Kentucky's Annual Forum on Transportation
No abstract provided.
A Study Of Runoff From Small Drainage Areas And The Openings In Attendant Drainage Structures, Eugene M. West, J. O. Cornell
A Study Of Runoff From Small Drainage Areas And The Openings In Attendant Drainage Structures, Eugene M. West, J. O. Cornell
Kentucky Transportation Center Research Report
In 1926, John T. Lynch read to the Kentucky Academy of Sciences a paper entitled, "The Relation Between Drainage Area and Waterway Required for Culverts and Small Bridges in Kentucky." The paper was based on a study of many small drainage structures then existing in the highway system, and a general evaluation of the performance of the structures in relation to rainfall and runoff from contributing watersheds.
As a result of this report, and in accordance with the suggestions contained in it, the Department of Highways adopted a system of runoff coefficients applicable to different sections of the state and …
A Test Road For The Evaluation Of Sandstone As An Aggregate In Plant-Mix Bituminous Pavements, Ellis G. Williams
A Test Road For The Evaluation Of Sandstone As An Aggregate In Plant-Mix Bituminous Pavements, Ellis G. Williams
Kentucky Transportation Center Research Report
In eastern Kentucky, deep deposits of sandstones and shales overlie the vast deposits of limestones that prevail throughout the central part of the state. Whereas locally available limestones of high quality comprise the major sources of crushed stone or aggregate for highway paving in the central part of the state, some areas of eastern Kentucky are so far removed from sources of these and other high-type aggregates that transportation of materials becomes a major cost item. It is a matter of record that these costs frequently approach or even exceed the cost of the material at the source, Since aggregate …
Lectures On Atomic Energy Industrial And Legal Problems, University Of Michigan Law School
Lectures On Atomic Energy Industrial And Legal Problems, University Of Michigan Law School
Summer Institute on International and Comparative Law
Since 1948 the University of Michigan Law School has, as a part of its program of public service, sponsored a series of Summer Institutes, intended to provide a medium for high-level discussions of important problems in areas of public concern. The Institutes held in previous years are as follows:
- The First Summer Institute, July 15-23, 1948, "Current Problems in International Law"
- The Second Summer Institute, August 5-21, 1949, "Legal Problems of World Trade"
- The Third Summer Institute, June 26-July 1, 1950, "The Law and Labor-Management Relations"
- The Fourth Summer Institute, June 25-28, 1951, "Taxation of Business Enterprise"
The Fifth Summer …
News Bulletin - January, 1952, Civil Aviation Medical Association
News Bulletin - January, 1952, Civil Aviation Medical Association
Browse all Civil Aviation Medical Association Newsletters
A four 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 Effect Of Various Binders And Moisture Content On The Apparent Thermal Conductivity Of Green Foundry Sand, Robert V. Wolf
The Effect Of Various Binders And Moisture Content On The Apparent Thermal Conductivity Of Green Foundry Sand, Robert V. Wolf
Masters Theses
"The broad field of heat transfer is well developed in its theory and mathematics, however, some few applications of varying heat transfer rates have been explored only recently.
Previous to the nineteen-thirties, foundrymen had apparently been interested in heat transfer measurements only from the standpoint of the melting of metals and the heat treatment of the finished castings, with the rate of solidification and the transfer of heat from the casting through the mold being ignored, or at least accepted as an uncontrollable factor. This does not apply, of course, to the use of metal chills to adjust solidification rates …
Analysis Of Magnetic Amplifiers Based On Assumed Analytical Expressions Of B-H Characteristics, Wiley Talley Ruhl
Analysis Of Magnetic Amplifiers Based On Assumed Analytical Expressions Of B-H Characteristics, Wiley Talley Ruhl
Masters Theses
"In the past 10 years, magnetic amplifiers have received much attention in many different fields of engineering. Although the principles of this amplifier have been known since 1915, it has been forced into the background by the development of the vacuum tube amplifier, the need of better core material and better dry disk rectifiers.
The basic magnetic amplifier, or saturable reactor, is nothing more than an iron core reactance coil whose a-c impedance is controlled by a d-c premagnetization of the core. This d-c premagnetization may be obtained in a number of ways, the simplest of which is a separate …
A Comparison Of The Real Price And Market Price Of Some Common Metals, Kon-Hock Khaw
A Comparison Of The Real Price And Market Price Of Some Common Metals, Kon-Hock Khaw
Masters Theses
"A number of complex factors influence the fluctuation of the price of a metal. In this investigation, the writer is concerned with the influence of the purchasing power of the dollar and, therefore the difference between the value (real price) and market price of nine metals. That is, this is a study of metal prices and their corresponding values. No attempt is made to analyze the supply and demand of the past or the future, except as they are expressed by their function -- price.
To aid in the comparison, a set of index numbers for metals is compiled and …
An Investigation As To The Uses Of The Topographic Map And Improvements Desired By The General Public, George O. Boeckman
An Investigation As To The Uses Of The Topographic Map And Improvements Desired By The General Public, George O. Boeckman
Masters Theses
"The demand for topographic maps from hunters, fishermen, vacationers, professional engineers etc, has been increasing with each passing year. In 1940 people bought some 700,000 copies of topographic maps. In 1946 sales had jumped to well over 2,000,000 copies. Civilian use of these maps by veterans has contributed substantially to the tremendous expansion of demand for maps since World War II. In recent years, the quality of topographic maps has been greatly improved by refinements in methods and by the use of aerial photography in map compilation. This advancement, and an ever-increasing demand from engineers, geologists, and many others for …
Autographic Determination Of Thermally-Induced Linear Changes In Ceramic Bodies, William Dean Mckee Jr.
Autographic Determination Of Thermally-Induced Linear Changes In Ceramic Bodies, William Dean Mckee Jr.
Masters Theses
"The determination of changes in length of ceramic compositions as a function of temperature is frequently required in ceramic research and testing. With the use of an observer, excellent means are available for determination of changes in length over moderate ranges of temperature. However, the extended period required for some tests makes desirable the automatic recording of length change as a function of temperature.
There has been in use in the Ceramic Engineering Department a furnace arranged for determination of length changes; this furnace, shown in Figure 1, is so arranged that change in sample length causes linear displacement of …
Hydrology Of Small Drainage Areas, James Kinchen Searcy
Hydrology Of Small Drainage Areas, James Kinchen Searcy
Masters Theses
"Realizing the need for data on small drainage areas the Missouri Highway Commission in 1947 began a cooperative project with the Water Resources Division of the United States Geological Survey which includes the establishment of small area gaging stations and recording rain gages.
The purpose of this investigation is to study some of the data collected in the few years of operation of these small area stations with the aim of testing some of the hydrologic tools useful in the study of larger drainage basins to determine their applicability on small drainage basins. The relationship between the runoff of large …
Activation Energy For Recrystallization In Rolled Silver, Krishan Kumar Tangri
Activation Energy For Recrystallization In Rolled Silver, Krishan Kumar Tangri
Masters Theses
"In several metals the process of recrystallization is accompanied by a change in the orientation of the recrystallized material with respect to the cold rolled material. If the change is sufficiently large, the changing position of the crystals can be determined by measuring the change in the intensity of the characteristic Bragg-reflection with a Geiger counter x-ray spectrometer. Recent determinations of the activation energies of copper and a 50/50 iron-nickel alloy have been made by using this x-ray technique. Both of these metals show a decided shift in the orientation as the material is recrystallized.
Silver was examined to find …
The Design Of A Closed-Loop Voltage Regulator For A D-C Generator, Ernest P. Longerich
The Design Of A Closed-Loop Voltage Regulator For A D-C Generator, Ernest P. Longerich
Masters Theses
"The methods of obtaining voltage regulation for a d-c generator are many, and they vary in complexity according to the requirements of the loads being supplied.
A need for zero voltage regulation is not uncommon in power supplies that are used in laboratory work. It is frequently not enough, however, to have a supply whose steady state regulation is zero; the need may also exist for fast transient response to changes in load.
In general, then, the criteria for excellent voltage-versus-load characteristics of a d-c power supply might be stated as follows:
- It has zero steady state error.
- It has …
Rehabilitation Of Land Stripped For Coal, Richard Matthaei
Rehabilitation Of Land Stripped For Coal, Richard Matthaei
Masters Theses
"The usual connotation of the word rehabilitation as applied to land areas is the restoration of that land to its former efficiency. However, in the spirit of conservation that is essential to our standard of living, the word has begun to have added meaning. In the fullest concept, rehabilitation involves a study of soil characteristics and capabilities, and creation of productive uses of which the land was not capable in its original condition. The true conservationist has an opportunity to make a useful contribution to the future generations of this country. The United States Forestry Service and the United States …
Shaped Charges: Their Mechanism And Applications In Mining, Pranlal Girdharlal Sheth
Shaped Charges: Their Mechanism And Applications In Mining, Pranlal Girdharlal Sheth
Doctoral Dissertations
"A shaped charge, confined or unconfined, is a unit of explosive material with a cavity or hollow at the base. It behaves differently than an ordinary charge, and, when detonated, has been found to produce curious effects of concentrating the force of the explosive on an area opposite the cavity"--Introduction, page 1.
A Study Of The Effect Of Jointing On The Blasting Of Granite, Graniteville, Missouri, Avery Ala Drake
A Study Of The Effect Of Jointing On The Blasting Of Granite, Graniteville, Missouri, Avery Ala Drake
Masters Theses
"Purpose of investigation: The purpose of this investigation is to attempt to determine the influence that joints exert upon the blasting of granite and if joints are induced by blasting. The problem grew out of an explosive evaluation project that was conducted by the Mining Department, Missouri School of Mines. In late May 1950, the project was moved into the granite area near Graniteville, Missouri. It became apparent upon study of this area that the jointing would have certain effects upon the results obtained. Dr. J. D. Forrester, Chairman, Department of Mining Engineering, Missouri School of Mines, Rolla, Missouri, suggested …
A Study Of Size Of Diamonds In Diamond Drilling, Robert J. M. Miller
A Study Of Size Of Diamonds In Diamond Drilling, Robert J. M. Miller
Masters Theses
" ''A Study of Size of Diamonds in Diamond Drilling' is the research problem which will be discussed in this treatise.
The author's interest in the effect of size of diamonds was created by Mr. R. D. Longyear of the E. J. Longyear Company of Minneapolis, Minnesota. Mr. Longyear, when asked for suggestions for a research problem concerning diamond drilling suggested, among other things, that there was a need for further work on the factor of size of stones. After extensive reading and reviewing, the author learned that many investigators had recognized changes in results attributable to changes in size …
Vibratory Compaction Of Base Courses, Kentucky Highway Materials Research Laboratory
Vibratory Compaction Of Base Courses, Kentucky Highway Materials Research Laboratory
Kentucky Transportation Center Research Report
Early this month, on a field trip with Mike Logan of tho Bureau of Public Roads and R. D. Medley, Asst. Director of Design, I had an opportunity to look over a project in Ohio where a vibratory method of compaction was being used in tho construction of a macadam base course, This type of compaction is relatively new, it having been tried for the first time in this country about four years ago, To my knowledge, the first published report on the procedure was made in the Proceedings of the Highway Research Board, Volume 27, page 148, 1947.
This …
The Synthesis Of 2-Amino-4-Chlorophenol-6 Sulfonic Acid, Herman Albert Bronner
The Synthesis Of 2-Amino-4-Chlorophenol-6 Sulfonic Acid, Herman Albert Bronner
Theses
The work described in this thesis was undertaken with the view of exploring a reaction sequence suggested by early French investigators to synthesize 2-amino-4-chlorophenol-6-sulfonic acid especially in reference to the German claim that a low yield of product would result following this preparation, In particular, a successful application of this procedure would afford a relatively direct and inexpensive route to the sulfonic acid which is used as an azo dyestuff intermediate and could possibly find application in medicinal chemistry.
It was found that sulfonation and nitration of p-dichlorobenzene gave a high yield of the sodium-2-nitro-1,4-3 dichloro-benzene-6-sulfonate (91%) when using the …
Foreign Firing Table Ft-F-50, Soviet Gun, Tank, 100mm, Model 1944, (Д-10); Gun, Tank, 85mm, Model 1944 (Zis-S53); Gun, Tank, 76mm, Model 1941, (Zis-5) Firing 100mm Fragmentation High Explosive Shell Oф-412; 100mm Armor Piercing Tracer Shell Бp-412; 85mm Fragmentation Shell O-365 And 0-365К; 85mm Armor Piercing Tracer Shell Бp-365 And Бp-365К; 76mm Fragmentation Shell O-350; [And] 76mm Armor Piercing Tracer Shell Бp-350; June 1951, Ordnance Intelligence, Ordnance Corps, Department Of The Army, Robert Bolin , Depositor
Foreign Firing Table Ft-F-50, Soviet Gun, Tank, 100mm, Model 1944, (Д-10); Gun, Tank, 85mm, Model 1944 (Zis-S53); Gun, Tank, 76mm, Model 1941, (Zis-5) Firing 100mm Fragmentation High Explosive Shell Oф-412; 100mm Armor Piercing Tracer Shell Бp-412; 85mm Fragmentation Shell O-365 And 0-365К; 85mm Armor Piercing Tracer Shell Бp-365 And Бp-365К; 76mm Fragmentation Shell O-350; [And] 76mm Armor Piercing Tracer Shell Бp-350; June 1951, Ordnance Intelligence, Ordnance Corps, Department Of The Army, Robert Bolin , Depositor
United States Department of Defense Military Intelligence
The modern US Army vision of the technical intelligence developed during World War II. Shortly before World War II, Army Technical Services had been instructed to set up intelligence sections in the offices of their chiefs. The technical services were bureaus which supplied weapons, equipment, and services to the Army, managed the careers of officers in the related branch, trained specialists, and organized and trained special purpose military units. There were a number of technical services including the Chemical Warfare Service, the Medical Department, the Ordnance Department, etc. The Ordnance Department provided fire arms, artillery, combat vehicles, and related ammunition, …
Chemical And Medical Technical Intelligence, Robert Bolin , Depositor
Chemical And Medical Technical Intelligence, Robert Bolin , Depositor
United States Department of Defense Military Intelligence
This is a detailed description of the idealized organization and activities off medical and technical intelligence activities in the various echelons of the army. It also discusses intelligence in the Headquarters, Department of the Army, in the offices of the Surgeon General and the Chief Chemical Officer.