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Articles 11431 - 11460 of 11643
Full-Text Articles in Entire DC Network
Eutrophication Of Small Lakes, Lynn T. Kenison
Eutrophication Of Small Lakes, Lynn T. Kenison
Theses and Dissertations
An estimate was made to determine the amount of nitrate and phosphate entering Utah Lake in 1968. To make this estimate, the flow data for 1968 and the nitrate and phosphate concentrations for 1970 were used. This was done because of the lack of information. The results show that the total nitrate added to Utah Lake in 1968 was 7,638,000 pounds. The total phosphate added was 1,740,200 pounds. Of this amount, 12,4 per cent of the nitrate and 18.0 per cent of the phosphate was released from the lake through the Jordan River. The rest remained in the lake to …
A Study In The Design And Development Of A Baseball Pitching Machine, Neal M. Lundwall
A Study In The Design And Development Of A Baseball Pitching Machine, Neal M. Lundwall
Theses and Dissertations
Throughout history man has had the need of services which require great skill or tremendous strength or delicate consistency on the part of those who perform. Much of the time he has turned to the machine to accomplish these requirements.
Transition From Laminar To Turbulent Flow For A Two-Phase Mixture, Mohammed Sharief Qureshi
Transition From Laminar To Turbulent Flow For A Two-Phase Mixture, Mohammed Sharief Qureshi
Theses and Dissertations
A phase is simply one of the states of matter. Multiphase flow is the simultaneous flow of several phases. Two-phase flow is the simplest case of multiphase flow.
A Computer Simulation Of A Partial Venous System Of A Human Lower Extremity, David C. Smith
A Computer Simulation Of A Partial Venous System Of A Human Lower Extremity, David C. Smith
Theses and Dissertations
The human body is truly a fascinating and complex creation of our Maker. Because of the complexity and variability, many of its workings were little known until recent years. Some of the more amazing facts of the circulatory system follow. If the individual blood vessels of a single adult, i.e., artery, arteriole capillary, venule and vein, were laid end to end, they would extend more than 60,000 miles. For the average adult, the heart beats 70 times per minute; for the well-conditioned athlete, 50-60 beats per minute; and for the extraordinary athlete, as few as 37 times per minute. The …
Transient Convective Heat Transfer Coefficient For Injection Into Rigid Vessel, James Edward Steiger
Transient Convective Heat Transfer Coefficient For Injection Into Rigid Vessel, James Edward Steiger
Theses and Dissertations
The purpose of this study was to develop and demonstrate a method for experimentally determining the convective heat transfer in a rigid vessel while air was being injected. The heat transfer took place between the air in the pressurized vessel and the surrounding walls which were maintained at a temperature of 32 F. with a circulating ice water bath. The study considers the effects of injection geometry and injection flow rate on the heat transfer process. The problem of heat transfer after injection has been considered by Means (1), and was responsible for establishing this study. The experimental technique used …
An Ecological Life History Of Tall Bluebell In Utah, Verl B. Matthews
An Ecological Life History Of Tall Bluebell In Utah, Verl B. Matthews
Theses and Dissertations
The ecological life history of tall bluebell, Mertensia arizonica Green var. leonardi (Rydb.) Johnston (M. leonardi Rydb.), was investigated during 1963 and 1964. Summer field studies were conducted on the Mud Creek Sleep Allotment of the Uinta National Forest, Wasatch County, Utah. Laboratory and herbarium studies were carried out at Brigham Young University. Specific objectives were to investigate seed germination, seedling development, root system, phenology, palatability, and describe the physical site factors where bluebell occurred. A study of this species was necessary because much of the herbage produced in certain areas of aspen range is not utilized. This condition occurs …
Conduction Error In Thermocouples Embedded In Low Conductivity Material, Tumkur G. Nagaraju
Conduction Error In Thermocouples Embedded In Low Conductivity Material, Tumkur G. Nagaraju
Theses and Dissertations
Thermocouples are generally used as devices to determine the internal temperature of any material. The purpose of the temperature measuring device is to measure the temperature which would exist at some known location if the device were not present. The thermocouples are embedded in the material in order to study the temperature-time history of the point of location. The presence of the thermocouple induces error in the temperature measured. This error becomes significant if heat is conducted into or away from the point of measurement by the sensor itself, or if the sensor insulates the point. This would result from …
The Swiss Cultural Propagada In The United States And The Swiss Amerca Historical Society
The Swiss Cultural Propagada In The United States And The Swiss Amerca Historical Society
Swiss American Historical Society Newsletter
(The afternoon session of the annual meeting of the SAHS on December 12, 1970, was devoted to a discussion of the topic of "Swiss CUltural Propaganda in the united States and the SAHS." A panel of three New York members of the SAHS had prepared remarks on the ssubject, and the members present were invited t particaate in the discussion by either commenting on the ideas of the anelists or addinng thoughts of their own. I served as moderator and the folloing is my reume of the symposium. I would like to take this opportunity to thank the panelists once …
History Of Utah's Salt Industry 1847-1970, John L. Clark
History Of Utah's Salt Industry 1847-1970, John L. Clark
Theses and Dissertations
Utah salt makers have extracted salt from three sources, the principal of these being brine from Great Salt Lake. Other sources are saline beds in Great Salt Lake Desert and subterranean halite formations in central Utah.
This study traces the development of methods used to recover and refine salt by the industry, in general, and by specific companies. It provides brief, historical sketches of the major corporations and the economic, legal, and environmental factors affecting their growth.
Utah produces about 1 per cent of the nation's salt, exporting over half of it from the state. The major factors limiting the …
A Study Of The Contributions Of Andrew Jenson To The Writing And Preservation Of Lds Church History, Keith W. Perkins
A Study Of The Contributions Of Andrew Jenson To The Writing And Preservation Of Lds Church History, Keith W. Perkins
Theses and Dissertations
Andrew Jenson, Assistant Church Historian, was one of the most prolific writers of LDS Church History. Born in Damgren, Denmark, he immigrated to Utah when he was fifteen years old. Because of his lack of training, his early life was spent in various manual labor occupations. None of these was satisfying to him; he longed for something better. He began compiling and writing Church history. In this he found much joy and happiness. His labors were soon recognized by the General Authorities of the LDS church, and he was permanently engaged as a historian in the Church historian's office. He …
A Political Biography Of George Henry Dern, Robert W. Wells Jr.
A Political Biography Of George Henry Dern, Robert W. Wells Jr.
Theses and Dissertations
This thesis will review the political life of George H. Dern emphasizing the utah period. The last chapter will briefly describe Dern's activities after the completion of his second term as governor of Utah in 1932.
Causes Of The Mormon Boycott Against Gentile Merchants In 1866 And 1868, Peter Neil Garff
Causes Of The Mormon Boycott Against Gentile Merchants In 1866 And 1868, Peter Neil Garff
Theses and Dissertations
In the 1850s and 1860s Gentiles monopolized the mercantile profession in Salt Lake valley. Conflict arose between the Mormons and anti-Mormon merchants for essentially five reasons: Mormon Church leaders believed merchants charged exorbitant prices, encouraged the coming of Johnston's army, falsely accused them for the "assassination" of two Salt Lake City Gentiles, supported Gentiles who were "jumping" Mormon land claims, and supported an adamantly anti-Mormon newspaper. Church leaders maintained that the motive behind these actions was essentially the destruction of their church; therefore, they levied a boycott against the anti-Mormon merchants in 1866.
Because Church leaders felt the coming of …
A Comparative Study Of The Relative Levels Of Physical Fitness Of Male Lds Missionaries Who Are Commencing And Those Just Concluding Their Missionary Service, Wilford J. Hoglund
A Comparative Study Of The Relative Levels Of Physical Fitness Of Male Lds Missionaries Who Are Commencing And Those Just Concluding Their Missionary Service, Wilford J. Hoglund
Theses and Dissertations
The problem of this study was to determine the relative levels of physical fitness of male L.D.S. Missionaires who were commencing and those just concluding their missionary service. The study was conducted with 50 randomly chosen subjects in each group.
The following conclusions were drawn based on the findings of the study:
1. Returning missionaries were found to have experienced a significant decrease at the .01 level in the following areas: leg and back strength, total strength score, strength quotient, total seconds ran, total endurance score and over-all fitness score.
2. Returning missionaries increased in gripping strength at the .01 …
Vasco M. Tanner—A Dedicated Public Servant, J. Hamilton Calder
Vasco M. Tanner—A Dedicated Public Servant, J. Hamilton Calder
Great Basin Naturalist
No abstract provided.
Calorimetry And Metal Binding In Biology, James J. Christensen
Calorimetry And Metal Binding In Biology, James J. Christensen
BYU Studies
No abstract provided.
Metallic Documents Of Antiquity, H. Curtis Wright
Metal Binding In Biology, Reed M. Izatt
Swiss Consulates In The United States, H. K. M.
Swiss Consulates In The United States, H. K. M.
Swiss American Historical Society Newsletter
At the end of June, 1970, the Swiss Federal Council created eight new consulates in the United States and Puerto Rico. They were all of the same type, namely honorary offices, to be manned by honorary consuls. Honorary consuls, as distinct from consuls general and consuls, are not career officers. Thev receive their nomination in recognition of personal achievements - at their place of domicile. The newly elected honorary consuls come from such diverse walks of life as private enterprise, physics, sociology, business, engineering, textile industry, medicine and hotel industry. In this they reflect quite well the modern make up …
Friendship Under Stress: A Book Review, W. Ernst Kuhn
Friendship Under Stress: A Book Review, W. Ernst Kuhn
Swiss American Historical Society Newsletter
Dr. Kuhn, a former member of the Swiss American Historical Society Board of Directors, is Professor of Economics at the University of Nebraska. During 1970/71 he is on leave of absence as Visiting Professor at the St. Gallen School of Economics and Social Sciences where he will be teaching and doing research in the Institute of International Economics and Market Research.
The Design Of A Laser Doppler Velocimeter, Marlo R. Anderson
The Design Of A Laser Doppler Velocimeter, Marlo R. Anderson
Theses and Dissertations
A relatively new method of measuring local velocity in a fluid stream has been devised which eliminates some of the inherent problems of the traditional methods. This method senses the Doppler shift of light scattered from a laser beam incident on particles suspended in the fluid. The Doppler shift is proportional to the particles (or fluid) velocity. This new technique has several distinct advantages over the more traditional methods of velocity measurement.
A Study Of The Effects Of Some Parameters Of The Galloping Of Electric Transmission Lines, Leland J. Coleman
A Study Of The Effects Of Some Parameters Of The Galloping Of Electric Transmission Lines, Leland J. Coleman
Theses and Dissertations
Freezing rainstorms coupled with moderate winds have often been observed to cause telephone lines and power transmission cables to begin bouncing up and down. This slow frequency high amplitude oscillation, or galloping as it is sometimes called, can build up to large amplitudes before the oscillation either damps out or persists at some constant amplitude. It has been reported by Edwards and Livingston [1] that the amplitude of galloping on transmission lines has been as large as forty feet. Galloping oscillations occur at relatively low frequencies; from .1 to 1 Hz. [1] near the natural frequency of the suspended cable.
A Dynamic Model Of A Small Manufacturing Company, Abraham John
A Dynamic Model Of A Small Manufacturing Company, Abraham John
Theses and Dissertations
A manufacturing company typically has the objective of maximizing the long-term value of its common stock while satisfying its customers. To achieve this, the company might increase the quantity and improve the quality of production. Since the company is operating in a dynamic environment, its policies should be dynamic also, to achieve its objective.
A Data Reduction Technique For Drag-Coefficient Data For Spheres, Stephen Thomas Merrell
A Data Reduction Technique For Drag-Coefficient Data For Spheres, Stephen Thomas Merrell
Theses and Dissertations
The object of this investigation was to obtain a reliable technique for finding the drag coefficient for a sphere falling at a non-constant velocity through air. And then to apply this technique to the data collected by R. G. Lunnon in 1925^(4)*.
An Optimization Technique Applied To The Determination Of Modal Damping Coefficients, Craig C. Smith
An Optimization Technique Applied To The Determination Of Modal Damping Coefficients, Craig C. Smith
Theses and Dissertations
Although analytical techniques are generally available for the simulation of dynamic systems, often these techniques require a great deal of computer time and storage. This difficulty was vividly pointed out by a previous thesis undertaken in this Department by R. L. Webster (1). Mr. Webster undertook the determination of orthotropic material properties using dynamic response test data from plates. A major difficulty which was encountered was the enormous amount of computer time required for the simulation. This thesis is an investigation of a method which when fully developed, may provide the ability to simulate such systems much more efficiently.
The Anthon Transcript: People, Primary Sources, And Problems, Stanley B. Kimball
The Anthon Transcript: People, Primary Sources, And Problems, Stanley B. Kimball
BYU Studies
No abstract provided.
Temperature Protection For Fruit Trees By Air-Supported Plastic Structures, Ram T. Gadhavi
Temperature Protection For Fruit Trees By Air-Supported Plastic Structures, Ram T. Gadhavi
Theses and Dissertations
The greatest weather enemy in all fruit destruction is the late spring frost which moves across the country under the high pressure areas that are occasionally seen on the weather maps, and kills the fruit buds.
Particle Dynamics In The Mixing Of A Particle-Laden Stream With A Secondary Stream In A Duct, William Doyle Cranney
Particle Dynamics In The Mixing Of A Particle-Laden Stream With A Secondary Stream In A Duct, William Doyle Cranney
Theses and Dissertations
The purpose of this thesis is to review the history and discuss the present work being done in particle-gas flow, with application to air- augmentation of a particle-carrying, fuel-rich gas jet. A drawing of the model considered is shown in Figure 1, with the area of interest labeled. The thesis is intended as a thorough literature review and analysis.
Determination Of Effective Strain For The Strainhardening Of Aluminum Subjected To Completely Reversed Strain Combinations, Navin M. Patani
Determination Of Effective Strain For The Strainhardening Of Aluminum Subjected To Completely Reversed Strain Combinations, Navin M. Patani
Theses and Dissertations
It is known that subrecrystallization plastic deformation increases the strength of a metal. The amount of strengthening that may be acquired can be approximated using a strainhardening equation and a simple given strain. The purpose of this thesis was to determine the effective strain for predicting strainhardening for annealed aluminum subjected to completely reversed strain combinations.