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Articles 19081 - 19110 of 19120
Full-Text Articles in Entire DC Network
The House Of Intellect Jacques Barzun, R. Kent Fielding
The House Of Intellect Jacques Barzun, R. Kent Fielding
BYU Studies
No abstract provided.
The United Nations As A Policy Instrument, Robert E. Riggs
The United Nations As A Policy Instrument, Robert E. Riggs
BYU Studies
The author examines how the United Nations is an instrument of United States policy. To varying degrees, within the General Assembly, the Security Council, the Economic and Social Council, the Trusteeship Council, and the Secretariat, the United States exerts its influence. Each UN body serves a unique function in which the United States can further its own foreign policy.
The Pratt-Newman Debate, Robert Duane Hatch
The Pratt-Newman Debate, Robert Duane Hatch
Theses and Dissertations
The colorful history of Mormon polygamy has many interesting stories to tell, and one of the most interesting is that of Rev. Dr. J. P. Newman's debate with the Mormon Apostle Orson Pratt on "Does the Bible Sanction Polygamy?" This debate was held at the New Tabernacle in Salt Lake City, Utah, on August 12, 13, and 14, 1870. Newman was the Chaplain of the United States Senate and one of the foremost preachers of Washington, D.C. His appearance in Salt Lake City to debate the question of polygamy was a national topic. Probably never before, nor since, has so …
Studies On The Biological Oxidation Of Ferrous Iron And Chalcopyrite, Loral Alvin Decker
Studies On The Biological Oxidation Of Ferrous Iron And Chalcopyrite, Loral Alvin Decker
Theses and Dissertations
The purpose of this investigation was to determine the effectiveness of the leaching streams from waste copper ore dumps as a nutrient solution for subsequent biological oxidation and solubilization of sulfide minerals. The copper in the leaching streams is precipitated by displacement with iron. As a result of this procedure the solution is high in ferrous iron concentration and has a pH of near 3.7. The bacteria in the leaching streams are capable of oxidizing ferrous iron to the ferric state and sulfide minerals to sulfates. The effects of temperatures, pH, urea, and aeration rate on the oxidation of the …
The Cytochrome Composition Of Bacillus Subtilis And Bacillus Megaterium, John Harvey Mangum
The Cytochrome Composition Of Bacillus Subtilis And Bacillus Megaterium, John Harvey Mangum
Theses and Dissertations
A spectroscopic and enzymatic investigation of the cytochromes of B. megaterium and B. subtilis was conducted. Attempts were made to isolate and characterize the individual cytochromes as well as to determine the locale of such activities as cytochrome c oxidase, DPNH oxidase, succinic dehydrogenase, cytochrome c reductase and diaphorse. Only two methods proved effective in liberating the cytochromes; disruption of the cells with sonic osillations and grinding tlhe cells with alumina. These procedures caused a fragmentation of the cell membrane. It was found that the entire cytochrome complement of these two bacteria was bound intimately to particles which most likely …
Bionomics Of Culex Tarsalis Coquillett In Utah County, Stanley K. Taylor
Bionomics Of Culex Tarsalis Coquillett In Utah County, Stanley K. Taylor
Theses and Dissertations
This paper presents information concerning the bionomics of Culex tarsalis Coquillett in Utah County. Observations indicate that rock piles and talus slides are typical hibernation sites. The spring emergence from hibernation occurred between 28 March and 7 April 1959. Larvae breed in a great variety of habitats, including street-gutters, animal tracks, marshes and waste water from irrigation systems. The peak population density for both larvae and adults occurred during the first week in August. Charts, graphs, drawings and photographs are used in the presentation of data.
An Evaluation Of Public Relations Contacts With High School Seniors Made By A Representative Of Brigham Young University, Dale L. Nelson
An Evaluation Of Public Relations Contacts With High School Seniors Made By A Representative Of Brigham Young University, Dale L. Nelson
Theses and Dissertations
This study was an attempt to determine to what extent personal contacts, as a part of student recruitment, acquainted high school seniors of 1958 with Brigham Young University and influenced them in their enrollment. Opinions of college freshmen who were graduated from high schools visited by a B.Y.U. public relations representative were elicited by mail questionnaire. Respondents were asked to list the means through which they became "acquainted" with the University. They were also asked to list what "influenced" them to attend. Personal contacts by a public relations representative were considered among various means of "acquaintance" and "influence" of a …
Identification Of Larval Ticks Of The Genus Ixodes Known To Occur In Utah, Leland D. White
Identification Of Larval Ticks Of The Genus Ixodes Known To Occur In Utah, Leland D. White
Theses and Dissertations
The purpose of this study is to present an analysis and key to the larvae of the nine species of Ixodes known to occur in Utah. These are I. kingi, I. muris, I. texanus, I. pacificus, I. spinipalpis, I. marmotae, I. ochotonoe, I angustus, and I. sculptus. Larvae from the first five of these nine species used in this study were reared in the laboratory by worked cited in the secion on Analysis of Species. those of the remaining four were identified on the basis of their presence with identifiable numphal and adult forms. Host specificity, although certainly variable with …
The Kinetics Of Thermal Decomposition Of 1,1'-Azobutane, 1,1'-Azoisobutane And 2,2'-Azobutane, Norman L. Eatough
The Kinetics Of Thermal Decomposition Of 1,1'-Azobutane, 1,1'-Azoisobutane And 2,2'-Azobutane, Norman L. Eatough
Theses and Dissertations
The following compounds have been prepared and purified and the boiling points, densities, refractive indicies and infrared spectra of each have been determined and recorded: n-butyraldazine, isobutyraldazine, methylethyl ketazine, 1,2-di-n-butylhydrazine, 1,2-diisobutylhydrazine, 1,2-di-sec.-butylhydrazine, 1,1'-azobutane, 1,1'-azoisobutane and 2,2'-azobutane. Vapor pressure curves and freezing points of 1,1'-azobutane, 1,1'-azoisobutane and 2,2'-azobutane have been determined and recorded. The kinetics of thermal decomposition of 1,1'-azobutane, 1,1'-azoisobutane, and 2,2'-azobutane in a flow system using hydrogen and helium as a carrier gases have been investigated. The investigation was carried out for two different concentrations of the azo compounds over a pressure range of 670 to 890 mm. Hg …
Folk Elements In The Formation Of The Mormon Personality, Austin E. Fife
Folk Elements In The Formation Of The Mormon Personality, Austin E. Fife
BYU Studies
Through the lens of folklore, the author explores the collective Mormon personality. By examining the common beliefs, stories, and songs that exist outside the official body of Church doctrine but among the Saints themselves, the author provides illuminating details about the formation of Mormon culture.
What Is Humanistic About Modern Art?, Conan Mathews
What Is Humanistic About Modern Art?, Conan Mathews
BYU Studies
Perhaps because of its radical divergence from tradition, modern art has been met with skepticism. The author explores the issues of what constitutes art and the aesthetic experience. He claims that modern art's emphasis on form over content appeals in a fundamental way to the human soul.
A Study Of Early Utah-Montana Trade, Transportation, And Communication, 1847-1881, L. Kay Edrington
A Study Of Early Utah-Montana Trade, Transportation, And Communication, 1847-1881, L. Kay Edrington
Theses and Dissertations
Only a few hardy men had ventured into America's intermountain west prior to the year 1847. Arriving in this year, the Mormons, under Brigham Young, slowly conquered parts of the Great Basin and within a few years had produced a self-sustaining agricultural economy. production of a surplus in farm products awaited only the emergence of a "foreign" market. This market was soon forthcoming.
The developing process of Utah-Montana relations from 1847 through 1881 was a natural occurance. From the very first, men from Utah traveled northward. The Mormon experiment at Ft. Lemhi during the late 1850's was a prime example …
The Bromination Of 1,1,1-Ethanetriacetic Acid, John A. Gurney
The Bromination Of 1,1,1-Ethanetriacetic Acid, John A. Gurney
Theses and Dissertations
Essential to the entire field of Organic Chemistry is the nature of the carbon to carbon bond. Our current concepts and guiding principles concerning it are almost solely constructed from aliphatic compounds, certain simple ring species, and aromatic systems. Except for special cases, aliphatic and aromatic types are felt to be mildly strained or free from internal tension while the alicylic small and medium ring compounds are the so-called strained molecules. These strained compounds involve bending back or compression of two of the four carbon bonds from an equilibrium position. Distortions of more complex origin occur in the paracyclophanes and …
A Morphological Study Of The Subtribe Ithypori (Coleoptera: Curculionidae), Leslie J. Boothe
A Morphological Study Of The Subtribe Ithypori (Coleoptera: Curculionidae), Leslie J. Boothe
Theses and Dissertations
This is a morphological study of the subtrib!a Itb:ypori, undertaken to discover all that we can about the morphology and if possible justify the present classification. It includes four genera and fifteen identified species.
The Preparation And Catalytic Properties Of Rhenium Blacks Obtained By Reduction Of Re(Vii) In Anhydrous Ammonia And Amines With Alkali Metals, David William Seegmiller
The Preparation And Catalytic Properties Of Rhenium Blacks Obtained By Reduction Of Re(Vii) In Anhydrous Ammonia And Amines With Alkali Metals, David William Seegmiller
Theses and Dissertations
The purpose of the investigation was to determine the catalytic activity of rhenium blacks obtained by reduction of rhenium salts in alkali metal-ammonia or amine systems. A review is presented on the chemical, physical and catalytic properties of rhenium, and on the rhenide ion, on the nature of the alkali metal-liquid ammonia system, and the reduction of metallic salts therein. The first reduction system studied was that obtained by dissolving sodium in liquid ammonia. The salts reduced in this system were KReO_4, Re_2O_7 and NH_4ReO_4. The reduction of KReO_4 was unsuccessful, and the heptoxide was difficult to handle. The product …
A Preliminary Investigation Of The Role Of Selenium In The Growth Of Stanleya Pinnata, Richard F. Nelson
A Preliminary Investigation Of The Role Of Selenium In The Growth Of Stanleya Pinnata, Richard F. Nelson
Theses and Dissertations
Stanleya pinnata has been identified as an indicator plant for seleniferous soils. The apparent limitation of its distribution to seleniferous soils suggests that selenium may play an essential role in this species. This study is a preliminary investigation of the role of selenium to Stanleya pinnata. When fully ripe, seeds germinated readily. Concentrations of selenium of 100 parts per million and 1000 parts per million retarded germination. Seeds germiuated in lower concentrations were not affected which was probably due to the selenium content of the seed itself, being greater than in the germinating media. Stanleya pinnata plants were grown from …
Chemosynthetic Microorganisms In Leaching Sulfide Minerals, A. Keith Jameson
Chemosynthetic Microorganisms In Leaching Sulfide Minerals, A. Keith Jameson
Theses and Dissertations
This investigation showed that a single bacterium was capable of sulfide oxidation in exposed ore bodies. This single bacterium was isolated and characterized. It exhibited different characteristics than any previously known organism. It was found to be a chemosynthetic autotroph. An optimum nutrient concentration was determined for pyrite oxidation. The nutrient concentration was determined for pyrite oxidation. The nutrient contains only a source of phosphate and nitrogen. Urea was found to be a better source of nitrogen than ammonium sulfate which had previously been used. The effect of various organic compounds on the oxidation of pyrite was observed. Glucose and …
The Effect Of The Speaking Of George A. Smith On The People Of The Iron Mission Of Southern Utah, Ray Haun Gleave
The Effect Of The Speaking Of George A. Smith On The People Of The Iron Mission Of Southern Utah, Ray Haun Gleave
Theses and Dissertations
The purpose of this study is to analyze the influence exerted upon the people of the "Iron Mission" by George A. Smith through the spoken word, and to determine if the influence thus exerted played a major part in the success or failure of the mission.
A Study Of The Speaking Of B. H. Roberts, Utah's Blacksmith Orator, R. Wayne Pace
A Study Of The Speaking Of B. H. Roberts, Utah's Blacksmith Orator, R. Wayne Pace
Theses and Dissertations
The Mormon Church has continued to grow in size and prominence since 1830 when Joseph Smith announced the formation of this new Christian organization.
The struggle to gain recognition for the Church of Jesus Christ of Latter-day Saints (Mormon) among the body of Christian groups has been a vigorous and energetic one. Out of the band of closely knit followers have developed leaders who were particularly gifted at proclaiming and defending the beliefs of this faith.
One of the men who was foremost in advancing the views of the Mormon people during the years 1880 to 1930 was Brigham Henry …
New African And Asian Tingidae (Hemiptera), Carl J. Drake
New African And Asian Tingidae (Hemiptera), Carl J. Drake
Great Basin Naturalist
No abstract provided.
Oxidation Of Molybdenite With The Aid Of Microorganisms, Ralph Anderson
Oxidation Of Molybdenite With The Aid Of Microorganisms, Ralph Anderson
Theses and Dissertations
This work represents a study on the biological oxidation of molybdenite, MoS2. The principal objective of this study was to investigate the possibility of the biological oxidation of molybdenite, to determine the physical and chemical conditions under which the oxidative process occurs, and to develop a strain of bacteria or alter the activity of the microorganisms by acclimatization to increase their activity on sulfide minerals, in particular molybdenite. Minerals used in this study were pyrite (FeS2), chalcopyrite (CuFeS2), molybdenite concentrate, and molybdenite ore. The microorganisms used in this investigation were autotrophic bacteria obtained from the leaching streams of Bingham Canyon, …
A Preliminary Investigation Of The Taxonomy And The Geographical Distribution Of The Chrysopidae (Neuroptera) Of Utah, Wayne A. Melander
A Preliminary Investigation Of The Taxonomy And The Geographical Distribution Of The Chrysopidae (Neuroptera) Of Utah, Wayne A. Melander
Theses and Dissertations
The writer undertook a preliminary investigation of the taxonomy and geographic distribution of a group of neuropterous insects, the Chrysopidae, in Utah. The main purposes of the investigation were to find what species and forms of these beneficial insects occur in Utah, to provide means for their identification, and to report upon their geographical distribution. Two main methods of investigation were employed. The first, a bibliographic method, was to carefully review the literature concerning the Chrysopidae of the United States for all references pertaining to their distribution and their taxonomy. The second method of investigation was to study insect specimens …
The Description Of The Alate Form Of Lachnus Montanus (Wilson), F. C. Hottes
The Description Of The Alate Form Of Lachnus Montanus (Wilson), F. C. Hottes
Great Basin Naturalist
No abstract provided.
The History Of The Drama In Corinne And Brigham City, Utah, 1855-1905, Rue Corbett Johnson
The History Of The Drama In Corinne And Brigham City, Utah, 1855-1905, Rue Corbett Johnson
Theses and Dissertations
It is hoped that through the inclusion of the history of the drama in Corinne, Utah, some interesting contrasts can be shown. Such contrasts are heightened when it Is realized that geographically the two towns are very close and that unlike Brigham City, and other Utah towns, Corinne was non-Mormon. During its zenith it undoubtedly reflected the typical frontier town characteristics more than did the Mormon town nearby. This fact provides opportunity for comparison of two societies as reflected in their dramatic activities. This comparison should assist in evaluating the history and contributions of Mormon dramatic activity by helping to …
Biological Oxidation Of Copper Sulfide Minerals, Delmar Boyd Davis
Biological Oxidation Of Copper Sulfide Minerals, Delmar Boyd Davis
Theses and Dissertations
This work represents a study of the biological oxidation of copper sulfide minerals. The principal objective of the study was to determine the extent of bacterial oxidation on copper containing sulfide minerals. It was also desired to determine if the bacteria could oxidize copper sulfides in the absence of iron. A better understanding of the nitrogen requirements of the organisms was desired. Minerals used in this study were Bingham Canyon Float Concentrate, chalcopyrite, covellite, calcocite, bornite, tetrahedrite, and reagent grade copper sulfide. The bacteria used were obtained from the mine waters of Bingham Canyon, Utah. To study the problem the …
Ultraviolet Absorption Spectra Of Quinoxaline And Some Of Its Derivatives, Fred Dale Huillet
Ultraviolet Absorption Spectra Of Quinoxaline And Some Of Its Derivatives, Fred Dale Huillet
Theses and Dissertations
A long term research program into the chemistry of quinoxalines has been instituted at Brigham Young University with the aim of preparing the vinylquinoxalines so that their 1,4-addition reactions might be studied. The literature of quinoxaline chemistry has been thoroughly reviewed and assembled. Methods of preparing 2-methyl- and 2,3-dimethylquinoxaline have been studied and improved but all attempts to prepare the vinylquinoxalines have been unsuccessful. In the course of these attempts several compounds of unknown structure were prepared. The purpose of this investigation is to study the spectra of various known quinoxaline derivatives and to attempt to identify the unknowns by …
History Of Drama In Provo, 1853-1897, Burnett B. Ferguson
History Of Drama In Provo, 1853-1897, Burnett B. Ferguson
Theses and Dissertations
This study will present as complete and accurate a history of the drama of Provo, from the earliest recorded activity (1853) to the decline of community theatre (1897), as available data provide.
New Neotropical Water-Striders (Hemiptera–Veliidae), Carl J. Drake
New Neotropical Water-Striders (Hemiptera–Veliidae), Carl J. Drake
Great Basin Naturalist
No abstract provided.
An Ecological Study Of A Sphagnum Lake In The Subalpine Forest Of The Uinta Mountains Of Utah, Howard C. Stutz
An Ecological Study Of A Sphagnum Lake In The Subalpine Forest Of The Uinta Mountains Of Utah, Howard C. Stutz
Theses and Dissertations
A study was made of the ecology and floristics of a small bog lake referred to as Moss Lake, in the Grandaddy lakes region of the Uinta Mountains , Utah . Three consecutive summers, 1948, 1949, and 1950, were spent in collecting the data presented in this study. Throughout the study the following ecological measurements were made: 1. Water 2. Soil 3. Macroscopic vegetation 4. Plankton 5. Macroscopic animal forms.
A Preliminary Study Of The Siphonapterous Ectoparasites Found On The Mammals Of The Families Cricetidae And Muridae In Utah County, Vernon J. Tipton
A Preliminary Study Of The Siphonapterous Ectoparasites Found On The Mammals Of The Families Cricetidae And Muridae In Utah County, Vernon J. Tipton
Theses and Dissertations
The purpose of this study was to determine the species of fleas infesting the mammals of the families Cricetidae and Muridae in Utah County. This was accomplished by establishing twelve collecting stations throughout the county from which 198 mammals were collected. From these hosts, 392 fleas were collected representing three families, nineteen genera , and twenty-four species. Four species are new to the State of Utah and twenty-two species are recorded from Utah County for the first time.