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Articles 16111 - 16140 of 17481
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Conodont Biostratigraphy And Thermal Color Alteration Indices Of The Upper St. Charles And Lower Garden City Formations, Bear River Range, Northern Utah And Southeastern Idaho, United States Geological Survey
Conodont Biostratigraphy And Thermal Color Alteration Indices Of The Upper St. Charles And Lower Garden City Formations, Bear River Range, Northern Utah And Southeastern Idaho, United States Geological Survey
All U.S. Government Documents (Utah Regional Depository)
The contact between the St. Charles and Garden City Formatlons in the Bear River Range, Bannock thrust sheet in northern Utah and southeastern Idaho, is a diachronous dlsconformity within the Lower Ordovician, Middle or, possibly, upper Cordylodus proavus Zone (Clavohamulus elongatus to, possibly, C. hintzel Subzones) conodonts indicate that lowermost Canadian Series (Lower Ordovician in North American usage) strata equivalent to the Missisquoia Zone and, possibly, lower Symphysurina Zone (trilobites) are present in the upper part of the St . Charles Formation.
Application Of Mineral-Solution Equilibria To The Search For Sanstone-Type Uranium Deposits In The Beaver Basin, Utah, W. R. Miller, J. B. Mchugh, U.S. Geological Survey
Application Of Mineral-Solution Equilibria To The Search For Sanstone-Type Uranium Deposits In The Beaver Basin, Utah, W. R. Miller, J. B. Mchugh, U.S. Geological Survey
All U.S. Government Documents (Utah Regional Depository)
An improved computer modeling program was used to calculate the saturation indexes of 50 waters from the Beaver basin in west-central Utah with respect to uraninite and coffinite. The mineral-solution study showed that the chemical environment of parts of the Beaver basin is favorable for the occurrence of sandstone-type uranium deposits. The ground waters from several areas are supersaturated with respect to uraninite and coffinite. Two areas, in particular, an area west of the town of Beaver and an area near the settlement of Manderfield, have been identified as most favorable for exploration. The methods described in this study can …
Theoretical Predictions For Ion Composition In The High-Latitude Winter F-Region For Solar Minimum And Low Magnetic Activity, Jan Josef Sojka, W. John Raitt, Robert W. Schunk
Theoretical Predictions For Ion Composition In The High-Latitude Winter F-Region For Solar Minimum And Low Magnetic Activity, Jan Josef Sojka, W. John Raitt, Robert W. Schunk
All Physics Faculty Publications
We combined a simple plasma convection model with an ionospheric-atmospheric density model in order to study the ion composition in the high-latitude winter F-region at solar minimum for low geomagnetic activity. Our numerical study produced time-dependent, 3-dimensional, ion density distributions for the ions NO+, O2 +, N2 +, O+, N+, and He+. We covered the high-latitude ionosphere above 54°N magnetic latitude and at altitudes between 160 and 800 km for a time period of 1 complete day. From our study we found the following (1) The ion composition exhibits a significant variation with latitude, local time, altitude, and universal time. …
A Theoretical Study Of The High-Latitude Winter F Region At Solar Minimum For Low Magnetic Activity, Jan Josef Sojka, W. J. Raitt, Robert W. Schunk
A Theoretical Study Of The High-Latitude Winter F Region At Solar Minimum For Low Magnetic Activity, Jan Josef Sojka, W. J. Raitt, Robert W. Schunk
All Physics Faculty Publications
We combined a simple plasma convection model with an ionospheric-atmospheric composition model in order to study the high-latitude winter F region at solar minimum for low magnetic activity. Our numerical study produced time dependent, three-dimensional ion density distributions for the ions NO+, O2 +, N2 +, O+, N+, and He+. We covered the high-latitude ionosphere above 54°N magnetic latitude and at altitudes between 160 and 800 km for a time period of one complete day. The main result we obtained was that high-latitude ionospheric features, such as the ‘main trough,’ the ‘ionization hole,’ the ‘tongue of ionization,’ the ‘aurorally produced …
Buzzer 1981, Utah State University
Buzzer 1981, Utah State University
USU Buzzer Yearbook
1981 yearbook for Utah State University. Published from 1909-1971 with single issues in 1978 and 1981.
Radar Measurements Of High-Latitude Ion Composition Between 140 And 300 Km Altitude, J. D. Kelly, Vincent B. Wickwar
Radar Measurements Of High-Latitude Ion Composition Between 140 And 300 Km Altitude, J. D. Kelly, Vincent B. Wickwar
All Physics Faculty Publications
The Chatanika radar has been used to measure the ratio of atomic (O+) ions to molecular (O2 +, NO+) ions in the high-latitude ionosphere. The radar results agreed well with simultaneous in situ rocket data, giving confidence in the radar method of deducing ion composition. Measurements made over long periods of time show seasonal variations, diurnal variations, and variations due to auroral processes. The transition altitude, where the number densities of atomic and molecular ions are equal, is a convenient parameter for describing the composition variation with altitude or ‘composition altitude profile.’ The transition …
An Intense Wave/Particle Event In The Auroral Ionosphere, A. D. Johnstone, Jan Josef Sojka, W. Gibbons, B. K. Madahar, L.J. C. Woolliscroft
An Intense Wave/Particle Event In The Auroral Ionosphere, A. D. Johnstone, Jan Josef Sojka, W. Gibbons, B. K. Madahar, L.J. C. Woolliscroft
All Physics Faculty Publications
An intense burst of VLF waves, at frequencies just above the local proton gyrofrequency, was observed shortly after each of two intense bursts of field‐aligned suprathermal electrons (E < 250eV) by instruments carried on a sounding rocket flown in diffuse aurora. If the two phenomena are associated with each other, the implication is that the electron acceleration occurred nearby, in a relatively small volume.
Journal Of Mormon History Vol. 8, 1981
Journal Of Mormon History Vol. 8, 1981
Journal of Mormon History
- --Return to Carthage: Writing the History of Joseph Smith's Martyrdom
Dean C. Jessee, 3
- --Heber J. Grant and the Utah Loan and Trust Company
Ronald W. Walker, 21
- --Charles B. Thompson and the Issues of Slavery and Race
Newell G. Bringhurst, 37
- --"Between Two Fires": Women on the "Underground" of Mormon Polygamy
Kimberly Jensen James, 49
- --Some Comparative Perspectives on the Early Mormon Movement and the Church-State Question, 1830-1845
John F. Wilson, 63
- --Bearding Leone and Others in the Heartland of Mormon Historiography
Mario S. De Pillis, 79
Auroral Plasma Lines: A First Comparison Of Theory And Experiment, E. S. Oran, Vincent B. Wickwar, W. Kofman, A. Newman
Auroral Plasma Lines: A First Comparison Of Theory And Experiment, E. S. Oran, Vincent B. Wickwar, W. Kofman, A. Newman
All Physics Faculty Publications
In this preliminary report on low-energy (0.3 to 3 eV) secondary electrons in the auroral E layer (90 to 150 km), we compare intensities of plasma lines observed with the Chatanika radar to theoretical predictions obtained from a detailed numerical model. The model calculations are initiated with a flux of energetic auroral primary electrons which enter the atmosphere and lose energy to electrons, ions, and neutrals through a combination of elastic and inelastic collisions. This flux is chosen in order that the total calculated ionization rate matches one that is deduced from the radar measurements. From these same calculations the …
Plasma Density Features Associated With Strong Convection In The Winter High-Latitude F Region, Jan Josef Sojka, W. John Raitt, Robert W. Schunk
Plasma Density Features Associated With Strong Convection In The Winter High-Latitude F Region, Jan Josef Sojka, W. John Raitt, Robert W. Schunk
All Physics Faculty Publications
We combined a simple plasma convection model with an ionospheric-atmospheric composition model in order to study the plasma density features associated with strong convection in the winter high-latitude F region. Our numerical study produced time-dependent, three-dimensional, ion density distributions for the ions NO+, O2 +, N2 +, O+, N+, and He+. We covered the high-latitude ionosphere above 42° N magnetic latitude and at altitudes between 160 and 800 km for a time period of one complete day. From our study, we found the following: (1) For strong convection, the electron density exhibits a significant variation with altitude, latitude, longitude, and …
Televised Trials: Past And Present, Grant Greer
Televised Trials: Past And Present, Grant Greer
Undergraduate Honors Capstone Projects
In the early fifties, the television media sought to cover criminal trials with television cameras. A few states allowed some television coverage, but they were a minority. One of these states, Texas, made constitutional history when it allowed the television coverage of the criminal trial of Billie Estes in 1962. The case had been appealed all the way to the Supreme Court, where his conviction had been reversed because of the television coverage of his trial. The Supreme Court's holding in that case had been rather ambiguous because one justice in the five - man majority, while agreeing with the …
Recent Auroral Measurements Using A Field-Widened Interferometer Spectrometer, A. J. Steed, D. J. Baker, B. Y. Bertschi, A. T. Stair Jr.
Recent Auroral Measurements Using A Field-Widened Interferometer Spectrometer, A. J. Steed, D. J. Baker, B. Y. Bertschi, A. T. Stair Jr.
Space Dynamics Laboratory Publications
No abstract provided.
Simultaneous Rocket-Borne Beacon And In Situ Measurements Of Equatorial Spread F - Intermediate Wavelength Results, M C. Kelley, K. D. Baker
Simultaneous Rocket-Borne Beacon And In Situ Measurements Of Equatorial Spread F - Intermediate Wavelength Results, M C. Kelley, K. D. Baker
Space Dynamics Laboratory Publications
A high-performancero cketc arryinga four-frequencyp, hase-coherenbt eacona nd full complemento f in situ diagnostici nstrumentationw as launchedi nto active equatorial spreadF on July 17, 1979. In this paper we report the resultso f spectrallya nalyzingt he beaconp hase-scintillationa nd Langmuir probe data. By using simultaneousb ackscatterd ata from the Altair radar we were able to establisht hat the scintillation develops in high-density regions adjacent to the prominent plume structures and associated depletionsIn. theseh igh-densitrye gionsth e in situs pectras howa pronouncecdh angein the powerl aw slopen ear a spatialw avelengtho f 500 m. Larger scales tructuresa dmit a systematicallyv arying …
Longitudinal And Seasonal Changes In Functional Organization Of Macroinvertebrate Communities In Four Oregon Streams., Charles P. Hawkins, J. R. Sedell
Longitudinal And Seasonal Changes In Functional Organization Of Macroinvertebrate Communities In Four Oregon Streams., Charles P. Hawkins, J. R. Sedell
Watershed Sciences Faculty Publications
Relative numerical dominance and densities of invertebrate functional feeding groups are compared with longitudinal and seasonal changes in food resources in a Cascade Range stream system in Oregon. We also compare our data with hypothetical predictions of the River Continuum model. We found that both relative abundances and densities of functional groups fit qualitative characterization of stream reaches and the River Continuum model: Shredders dominated upper shaded reaches; scrapers were most important in intermediate—sized sections; collectors increased in importance progressively downstream; predators were nearly constant in relative abundance at all sections; other functional groups were either rare or only locally …
Biomass And Production Of An Aspen-Mixed Hardwood-Spodosol Ecosystem In Northern Wisconsin, John Pastor, J.G. Bockheim
Biomass And Production Of An Aspen-Mixed Hardwood-Spodosol Ecosystem In Northern Wisconsin, John Pastor, J.G. Bockheim
Aspen Bibliography
No abstract provided.
Effects Of Storage Temperature And Moisture Stress On Seed Germination And Early Seedling Development Of Trembling Aspen Populus-Tremuloides, G.H. Fechner, K.E. Burr, J.F. Myers
Effects Of Storage Temperature And Moisture Stress On Seed Germination And Early Seedling Development Of Trembling Aspen Populus-Tremuloides, G.H. Fechner, K.E. Burr, J.F. Myers
Aspen Bibliography
No abstract provided.
Uneven-Aged Stand Structure And Growth Of Rocky Mountain Aspen, D.R. Betters, R.F. Wood
Uneven-Aged Stand Structure And Growth Of Rocky Mountain Aspen, D.R. Betters, R.F. Wood
Aspen Bibliography
No abstract provided.
Improving Aspen Poplar Populus-Tremuloides And Prickly Rose Rosa-Acicularis Covered Rangeland With Herbicides And Fertilizer, G. Bowes
Aspen Bibliography
No abstract provided.
Proton Transfers In Hydrogen‐Bonded Systems. Vi. Electronic Redistributions In (N2h7)+ And (O2h5)+, Steve Scheiner
Proton Transfers In Hydrogen‐Bonded Systems. Vi. Electronic Redistributions In (N2h7)+ And (O2h5)+, Steve Scheiner
Chemistry and Biochemistry Faculty Publications
Electronic rearrangements accompanying transfer of the central proton between the two XHn units of (H3NHNH3)+ and (H2OHOH2)+ are studied using ab initio molecular orbital methods. Electron density difference maps are calculated by subtracting the density of the equilibrium structure (X–H‐‐‐X) from that of the midpoint geometry (X‐‐H‐‐X) using the split‐valence 4‐31G basis set. Some of the features revealed by the maps are common to both systems while others indicate significant differences between nitrogen and oxygen. Decomposition of the total electron density into …
Studies Toward The Total Synthesis Of Antibiotic 593a, Robert B. Wardle
Studies Toward The Total Synthesis Of Antibiotic 593a, Robert B. Wardle
Undergraduate Honors Capstone Projects
In 1970 art article was published in the Journal of Antibiotics in which the isolation of a substance from the south African soil microorganism Streptomyces griseolutus designated 593A (NSC-135758) was reported. It was reported to inhibit the growth of human tumors in the chick embryo. Arison and Beck in 1973 proposed the structure to be 3,6-bis-(5-chloro-2 -piperidyl-)-2 ,5-piperizinedione based on spectral data.
In the ensuing years a number of further studies were made on the activity of 593A, It was found to be active against a number of solid tumors, several variants of leukemia, and in selectively inhibiting DNA synthesis. …
Plant Protection As A Consequence Of An Ant-Membracid Mutualism: Interactions On Goldenrod (Solidago Sp.), Frank J. Messina
Plant Protection As A Consequence Of An Ant-Membracid Mutualism: Interactions On Goldenrod (Solidago Sp.), Frank J. Messina
Biology Faculty Publications
In central New York, two chrysomelid beetles, Trirhabda virgata and T. borealis, frequently cause severe defoliation of tall goldenrod, Solidago altissima. This plant is also the primary host of Publilia concava (Membracidae), a sap—feeding treehopper that is tended by ants, especially Formica spp. Staged encounters indicate that Formica ants attack adult Trirhabda beetles on goldenrod stems bearing membracids. Such stems escape defoliation by Trirhabda, and show greater mean height increment and seed production than their nearest neighbors without ants. The degree of plant protection depends on the duration of Formica presence. During Trirhabda outbreaks, only stems bearing Formica ants for …
Iron And Life, Thomas Emery
Iron And Life, Thomas Emery
Faculty Honor Lectures
Iron, iron, everywhere but. . . . The plight of the ancient mariner surrounded by undrinkable water could hardly have been more frustrating than life on earth with respect to iron. Iron is the fourth most abundant element of the earth's surface, exceeded only by oxygen, silicon, and aluminum. Virtually all forms of life from the simplest bacteria to humans require iron to catalyze numerous and complex metabolic reactions. Because of the diversity and complexity of the role of iron in the life process, it has even been suggested that the origin of life on earth centered around the catalytic …
On The Existence Of Global Variational Principles, Ian M. Anderson, T. Duchamp
On The Existence Of Global Variational Principles, Ian M. Anderson, T. Duchamp
Mathematics and Statistics Faculty Publications
In studying physical phenomena one frequently encounters differential equations which arise from a variational principle, i.e. the equations are the Euler-Lagrangequations obtained from the fundamental (or action) integral of a problem in the calculus of variations. Because solutions to the Euler-Lagrange equations determine the possible extrema of the fundamental integral, the first step in the solution of a given problem in the calculus of variations is to obtain the appropriate Euler-Lagrange equations. This state of affairs suggests the so-called inverse problem, viz. does a given differential equation arise from a variational principle and, if so, what is the Lagrangian for …
Utah Science Vol. 41 No. 2, Summer 1980
Utah Science Vol. 41 No. 2, Summer 1980
Utah Science
37 SYMBIOSIS-A MARRIAGE OF CONVENIENCE W. F. Campbell, C. Barnes, and D. C. lanson A type of bacteria that lives in the roots of legumes converts nitrogen from the air into a form useable to host plants, and may aid in revegetating strip-mined lands.
40 ALCOHOL FUEL FROM SUGARBEETS D. L. Doney and J. C. Theurer Sugarbeets, once a major crop in Utah, may regain acreage as a possible source of fuel to supplement our increasingly expensive petroleum.
44 OIL SHALE-POTENTIAL RESOURCE AND POSSIBLE ENVIRONMENTAL PROBLEM R. J. Wagenet, D. F. Fransway, and C. M. McKell The development of Utah's …
The Biosynthesis Of Delta-Aminolevulinic Acid In Rhodopseudomonas Sphaeroides, Jie Chen
The Biosynthesis Of Delta-Aminolevulinic Acid In Rhodopseudomonas Sphaeroides, Jie Chen
Biology
The activity of two enzymes, delta-aminolevulinic acid (ALA) synthetase and 4,5-dioxovaleric acid (DOVA) transaminase, were determined in crude extracts of three strains of Rhodopseudomonas sphaeroides, (1) a wild type, (2) a mutant strain which can not form chlorophyll without the addition of ALA in the growth medium (known as H5) and (3) a second mutant strain which regained its ability to form chlorophyll without the addition of ALA in the medium (known as H5D). The results show that all three strains have DOVA transaminase activity, while ALA synthetase activity is found only in the wild type. Another experiment utilized D0VA …
Irrigating For Rainbows, Jack Keller
Irrigating For Rainbows, Jack Keller
Faculty Honor Lectures
Quite simply. irrigation is the act of applying water to land. It is usually done to improve plant growth and it lies somewhere between an art. a science. and plain hard work. Even though we do not often think about it. irrigation is very important to the well-being of the world. It is important because we need basic foods to survive. and luxury foods and pleasant views to enjoy this survival. For the many people directly involved in irrigation. especially farmers. it provides a livelihood which is both satisfying and peaceful. And for the few of us lucky enough to …
A Comparison Of Cerebral Electrotherapy And Relaxation As Anxiolytics, Robert B. Shelton Jr.
A Comparison Of Cerebral Electrotherapy And Relaxation As Anxiolytics, Robert B. Shelton Jr.
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The treatment of anxiety is assumed to be fundamental to the alleviation of various kinds of psychopathology. Because of the unwanted side effects of anxiety reducing (anxiolytic) drugs, non-pharmacological treatments should be investigated. A considerable body of literature exists on the use of relaxation techniques, such as progressive muscle relaxation, as anxiolytic methods. Previously published reports have suggested that cerebral electrotherapy (CET) also possesses anxiolytic properties. In this study 33 subjects from an alcohol rehabilitation unit were randomly divided into three groups. The treatment subjects received seven 1/2 hour sessions of CET using bi-polar electrodes and .3 ma current or …
Relationship Between Rainfall And Storm Runoff For Selected Arizona Watersheds, Robert James Anderson
Relationship Between Rainfall And Storm Runoff For Selected Arizona Watersheds, Robert James Anderson
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The relationship between rainfall and runoff was examined for twelve selected Arizona watersheds. Expedient runoff volume model coefficients and runoff curve number model parameters were examined using standardized structure, with modifications to adjust the model for small initial abstractions and large watershed storage capacity.
Forest-land management practices were examined for their effects on curve number coefficients. The effects of rainfall characteristics were also evaluated with respect to changes they induce in curve number populations.
Evaluations included a runoff fraction, a simple multiplier of storm volume to produce runoff volume. The accuracy of this model is promising for more permeable watersheds.
A Comparison Of Employer Hiring Practices And Career Opportunities Between Two-Year And Four-Year Accounting Graduates Who Have Full Time Positions In The Work Force Within The State Of Utah, Anita Weston
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
This study was conducted to determine if employers were inclined to discriminate between two-year and four-year educated accountants in making hiring and promotional decisions. In addition, accounting graduates of two-year and four-year institutions were studied to see if there were differences between these two groups in regard to educational programs taken, perceptions of the benefit received from the courses taken, salaries received, and views concerning employer hiring and promotional practices.
This study included three different groups consisting of 39 employers in the private business sector as well as 43 two-year accounting associate degree graduates and 43 bachelor accounting degree graduates. …
The Effects Of Various Levels Of Counselor-Offered Empathy On Client Anxiety In The Initial Counseling Session, Duncan R. Adams
The Effects Of Various Levels Of Counselor-Offered Empathy On Client Anxiety In The Initial Counseling Session, Duncan R. Adams
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The purpose of the present study was two-fold: (1) to investigate various degrees of counselor-offered empathy in initial interviews, in order to determine whether consistently high levels of counselor-- offered empathy in the initial therapy interview causes high levels of client anxiety, and (2) to determine whether increased client anxiety or the levels of counselor-offered empathy that the client receives in the initial counseling interview affects the client's likelihood to continue in counseling following one session. To accomplish the purpose of the study 27 high-anxiety and 27 low-anxiety undergraduate, incentive volunteers were seen in an initial counseling session by one …