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Articles 287191 - 287220 of 303171
Full-Text Articles in Physical Sciences and Mathematics
The Determination Of The Acute Toxicity, Uptake And Elimination Rates For Kepone By Crangon Septemspinosa Say, Donna Jeannette Hixon
The Determination Of The Acute Toxicity, Uptake And Elimination Rates For Kepone By Crangon Septemspinosa Say, Donna Jeannette Hixon
Dissertations, Theses, and Masters Projects
No abstract provided.
Solid State Phase Transitions And Molecular Reorientation In Ortho-Carborane And Para-Carborane: An Isomer Effect, Peter A. Beckmann, Amos J. Leffler
Solid State Phase Transitions And Molecular Reorientation In Ortho-Carborane And Para-Carborane: An Isomer Effect, Peter A. Beckmann, Amos J. Leffler
Physics Faculty Research and Scholarship
The proton nuclear spin-lattice relaxation times at 30 MHz have been measured for ortho- and paracarborane between 170 and 310 K and between 210 and 320 K, respectively. Para-carborane undergoes solid-solid transitions at about 300 and 238 K while the ortho isomer shows only one transition at about 265 K. The details of the phase transitions are discussed and molecular reorientation in the isomers is compared.
Proton Spin-Lattice Relaxation In Meta-Carborane, Peter A. Beckmann, Armin Wendel
Proton Spin-Lattice Relaxation In Meta-Carborane, Peter A. Beckmann, Armin Wendel
Physics Faculty Research and Scholarship
No abstract provided.
A Deuterium Nuclear Magnetic Resonance Study Of Chain Disorder In Lamellar Potassium Palmitate: The Effect Of Long And Short Chain Guests, Peter A. Beckmann, E. E. Burnell, M. A. Heldman, K. R. Northey, T. P. Higgs
A Deuterium Nuclear Magnetic Resonance Study Of Chain Disorder In Lamellar Potassium Palmitate: The Effect Of Long And Short Chain Guests, Peter A. Beckmann, E. E. Burnell, M. A. Heldman, K. R. Northey, T. P. Higgs
Physics Faculty Research and Scholarship
The deuterium magnetic resonance spectra of lamellar phases of host perdeuterated potassium palmitate mixed with varying amounts of guest protiated potassium octanoate and behenate and 86.3 mol% D2O are reported. At higher temperatures, the short chain guests give rise to more fluidity and the long chain guests give rise to less fluidity towards the end of the host chain. At low temperatures there are changes in the interaction between the polar head group and the water which depend on sample composition. The transition from the lamellar phase to the low temperature gel phase is investigated and in some …
Interaction Of Cocaine With Some Central Dopominergic And Serotonergic Mechanisms, Mark Harold Berman
Interaction Of Cocaine With Some Central Dopominergic And Serotonergic Mechanisms, Mark Harold Berman
University of the Pacific Theses and Dissertations
The present study ln male Wistar rats was designed to rate and analyze six specific cocaine-induced behaviors. These behavioral parameters have been defined by others as either dopaminergic (sniffing, grooming, and locomotor activity) or serotonergic (repetitive head movements, rearing, and Straub tail) in origin.
Results were analyzed by analysis of variance in two ways : (i) as grouped dopaminergic or serotonergic scores, and (ii) as the net behavioral index (dopaminergic scores minus the serotonergic scores). The purpose of approaching the data in this way was to attempt to define the behavioral interactions of the two neurotransmitters.
One conclusion that developed …
A Graphical Method For Calculating First Order Transition Matrices For Open-Shell Atoms In The Random Phase Approximation, Anthony F. Starace, Siamak Shahabi
A Graphical Method For Calculating First Order Transition Matrices For Open-Shell Atoms In The Random Phase Approximation, Anthony F. Starace, Siamak Shahabi
Anthony F. Starace Publications
A graphical procedure is presented for calculating first order transition matrices for a general (open-shell) atom. The first order transition matrix may be used to calculate matrix elements of a general one-body operator of rank λ in orbital space and σ in spin space. In the random phase approximation we obtain a set of N + N′ coupled differential equations for N final state radial functions and N′ initial state radial functions which completely determine the first order transition matrix for an atomic system having N final state channels. (The relation of N′ to N is dependent on the atomic …
Computer Simulation Of Polymer Dynamics, Rebecca Louise Moss Smithson
Computer Simulation Of Polymer Dynamics, Rebecca Louise Moss Smithson
Dissertations, Theses, and Masters Projects
No abstract provided.
Phytoplankton Studies Within The Virginia Barrier Islands I. Seasonal Study Of Phytoplankton In Goose Lake, Parramore Island, Harold G. Marshall
Phytoplankton Studies Within The Virginia Barrier Islands I. Seasonal Study Of Phytoplankton In Goose Lake, Parramore Island, Harold G. Marshall
Biological Sciences Faculty Publications
The phytoplankton of Goose Lake, an oligohaline lake on Parramore Island, was studied for one year. The populations consisted primarily of ultraplankton and nanoplankton-sized forms with diatoms and chlorophyceans dominant most of the year. A general pattern of seasonally higher cell concentrations in early summer and fall was noted, with an unidentified ultraplankton-sized component prominent throughout the collection period. A list of 154 species is given.
1980-1981 Nova College Bulletin, Nova Southeastern University
1980-1981 Nova College Bulletin, Nova Southeastern University
Undergraduate Programs Course Catalogs
No abstract provided.
Legume Seed Inoculation, D. L. Chatel
Legume Seed Inoculation, D. L. Chatel
Experimental Summaries - Plant Research
List of experiments 1. 8ONA9A - The response of inoculated and non-inoculated field peas to fertilizer nitrogen on land not previously sown to peas. NARROGIN. 2. 8ONA9B - The response of inoculated and non-inoculated field peas to fertilizer nitrogen on land previously sown to peas. 3. 79GES8 - The performance of different strains of Rhizobium meliloti on different medics. TENINDEWA (Second year).
Origin Of Hawaiian Tholeiites: Trace Element Constraints, W. P. Leeman, J. R. Budahn, D. C. Gerlach, Diane R. Smith, B. N. Powell
Origin Of Hawaiian Tholeiites: Trace Element Constraints, W. P. Leeman, J. R. Budahn, D. C. Gerlach, Diane R. Smith, B. N. Powell
Geosciences Faculty Research
We report here geochemical studies of Hawaiian tholeiites and ultramafic xenoliths from Salt Lake Crater, Oahu. We focus attention on tholeiitic basalts that comprise the bulk of Hawaiian volcanoes. When the samples are screened to include only those lying neat the log-MgO (about 7 percent) end of olivine-control lines (Wright, 1971), tholeiites from individual volcanoes are remarkably uniform. On this basis, we show that, for tholeiites from six volcanoes, systematic geochemical differences exist that cannot be attributed to differentiation of these magmas from a common parental magma. Apparently there have been important differences in the processes of magma generation, source …
Continental Drift, Tectonics, And Joshua, Joel W. Block
Continental Drift, Tectonics, And Joshua, Joel W. Block
Physics Faculty Publications
The Bible has served as a source of spiritual inspiration for many centuries. It has been used as a text in the academic disciplines of history, geography, archeology, literature, law, language, and health, as well as in theology. Yet this multipurpose manuscript has been virtually ignored as an earth science reference It is this writer's intent to demonstrate the Bible's value as a geological resource.
Inhibition Of N⁸-Acetylspermidine Deacetylation Activity Of Rat Liver, Michael J. Santacroce
Inhibition Of N⁸-Acetylspermidine Deacetylation Activity Of Rat Liver, Michael J. Santacroce
University of the Pacific Theses and Dissertations
An enzyme activity located in the soluble fraction of rat liver which is known to deacetylate N8-acetylspermidine is studied. Using a crude cytosol preparation from rat liver, tritium-labelled N8-acetylspermidine [acetyl-3H] was shown to undergo deacetylation which was dependent upon both time of incubation and protein concentration. The Michalis constant for this deacetylation of N8-acetylspermidine is approximately 4.4 μM.
N1-Acetylspermidine showed a competitive inhibition of this N8-acetylspermidine deacetylation activity, and was found to be the most potent inhibitor tested. Diamine and polyamine compounds were also shown to inhibit the …
Neoglaciation Of Avalanche Gorge And The Middle Fork Nooksack River Valley Mt. Baker, Washington, Steven Richard Fuller
Neoglaciation Of Avalanche Gorge And The Middle Fork Nooksack River Valley Mt. Baker, Washington, Steven Richard Fuller
WWU Graduate School Collection
The Neoglacial fluctuations of two of Mt. Baker's alpine glaciers were studied by tephrochronologic, dendrochronologic, and relative dating methods coupled with detailed geologic mapping. The earliest recognizable advance of the Deming Glacier occurred prior to deposition of Mazama tephra and after the Vashon Stade of Fraser Glaciation. The oldest recognizable Holocene advance of the Deming Glacier occurred >800 years B.P. and 16th, 17th, 18th(?), early 19th, late 19th, and 20th centuries. The Neoglacial record for the Rainbow Glacier is poorly preserved due to modification by two historic rock-debris avalanches, but the 20th century moraines of the Rainbow and Deming Glaciers …
The Osmotic Fragility Of Red Blood Cells Of Marine Animals: A Comparative Study, Robert Demanche
The Osmotic Fragility Of Red Blood Cells Of Marine Animals: A Comparative Study, Robert Demanche
Dissertations, Theses, and Masters Projects
No abstract provided.
Aspects Of Vertical Distribution And Ecology Of The Dominant Meso- And Bathypelagic Fishes From The Norfolk Canyon Region, John V. Gartner
Aspects Of Vertical Distribution And Ecology Of The Dominant Meso- And Bathypelagic Fishes From The Norfolk Canyon Region, John V. Gartner
Dissertations, Theses, and Masters Projects
No abstract provided.
The Life History Of The Cownose Ray, Rhinoptera Bonasus (Mitchill 1815), In Lower Chesapeake Bay, With Notes On The Management Of The Species, Joseph W. Smith
The Life History Of The Cownose Ray, Rhinoptera Bonasus (Mitchill 1815), In Lower Chesapeake Bay, With Notes On The Management Of The Species, Joseph W. Smith
Dissertations, Theses, and Masters Projects
No abstract provided.
Coral-Nutrient Relationships, Lawrence J. Pastor
Coral-Nutrient Relationships, Lawrence J. Pastor
Dissertations, Theses, and Masters Projects
No abstract provided.
Uptake, Distribution, Metabolism And Clearance Of Kepone By Channel Catfish (Ictalurus Punctatus), Peter A. Vanveld
Uptake, Distribution, Metabolism And Clearance Of Kepone By Channel Catfish (Ictalurus Punctatus), Peter A. Vanveld
Dissertations, Theses, and Masters Projects
No abstract provided.
Seasonal Changes In The Growth And Structure Of The Diatom Asterionella Formosa Hassall In Lake Matoaka, Virginia, Kathy Joyce Lundgren
Seasonal Changes In The Growth And Structure Of The Diatom Asterionella Formosa Hassall In Lake Matoaka, Virginia, Kathy Joyce Lundgren
Dissertations, Theses, and Masters Projects
No abstract provided.
Groundwater Heat Pump Equipment Selection Procedures For Architects, Designers, And Contractors, Calvin G. Clyde, Edward W. Vendell, Kirk D. Hagen
Groundwater Heat Pump Equipment Selection Procedures For Architects, Designers, And Contractors, Calvin G. Clyde, Edward W. Vendell, Kirk D. Hagen
Reports
Engineers at the Utah Water Research Laboratory and the Mechanical Engineering Department at Utah State University have investigated the use of groundwater heat pumps for residential space heating and cooling in the Utah climate. They have found that this type of system conserves energy and may cost less for Utah home owners to operate than many conventional heating and cooling systems. Since the use of groundwater heat pumps will probably become more widespread in the near future, building and heating contractors should become more informed about what a groundwater heat pump is and how it works. The purpse of this …
Utah Surface Impoundment Assessment Report, Mary L. Cleave, V. Dean Adams, Donald B. Porcella
Utah Surface Impoundment Assessment Report, Mary L. Cleave, V. Dean Adams, Donald B. Porcella
Reports
Executive Summary: The Surface Impoundment Assessment process presented an organized consistent systme for evaluating potential threats to groundwater resources from surface impoundments of wastes. This assessment established a data base which locates wastes surface impoundments in Utah and assesses the majority of these impoundments with this prescribed system (Appendix F). This data base may be used to identify surface impoundments in Utah which may create problems with regard to groundwater contamination. Data Summary: The potential hazards of the surface impoundments assessed to groundwater is based on two values established during the assessment procedure. These values are identified as the pollution …
Design Of A Cost Effective Solar Powered Water Pump, Duane G. Chadwick
Design Of A Cost Effective Solar Powered Water Pump, Duane G. Chadwick
Reports
The design and performance of a vacuum lift, solar powered water pump is discussed. The basic design consists of an expanding gaseous piston confined inside a chamber which is located in series with, and between an inlet and an outlet check value. The gas is generated by volatilizing cyclopentane or hexane. Four variations of this basic design concept were built and evaluated. The various features of each are discussed. Considerations in the choice of a cost-effective solar collector are also reviewed. Several of the more promising types of solar collectors were built and evaluated for use on the pump. A …
Use Of Extreme Value Theory In Estimating Flood Peaks From Mixed Populations, Ronand V. Canfield, D. R. Olsen, R. H. Hawkins, T. L. Chen
Use Of Extreme Value Theory In Estimating Flood Peaks From Mixed Populations, Ronand V. Canfield, D. R. Olsen, R. H. Hawkins, T. L. Chen
Reports
The flood magnitude for a given frequency or return period is estimated by fitting a probability distribution to the historical annual flood series. The log-Pearson type III distribution has been selected by the Water Resources Council for general use by the federal government, but practitioners should examine an annual flood series and use alternative distributions where they will produce better estimates. Empirical goodness of fit is one criterion for choosing a distribution, but the reasonableness of the assumptions theoretically associated with the form of the distribution should also be considered. In theory, extreme-value distributions are particularly applicable to flow series …
Vulnerability Of Water Supply Systems To Droughts, David S. Bowles, Trevor C. Hughes, W. Robert James, Donald T. Jensen, Frank W. Haws
Vulnerability Of Water Supply Systems To Droughts, David S. Bowles, Trevor C. Hughes, W. Robert James, Donald T. Jensen, Frank W. Haws
Reports
This summary completion report describes the project work completed in three areas: 1) the development and preliminary testing of drought severity and vulnerability indices, 2) the impacts of Utah's 1977 drought, and 3) an operation comparison of stochastic streamflow models. The drought indices were evaluated for three municipal and three irrigation water supply systems in Utah. It was concluded that a continuous loss function to define the effects of water shortage would be more appropriate than the existing assumption that drought-related lossed occur suddenly at a certain degree of water shortage. Information on the impacts of Utah's 1977 drought was …
Feasibility Study Of Establishing A Water Rights Banking/Brokering Service In Utah, Jay M. Bagley, Kirk R. Kimball, Lee Kapaloski
Feasibility Study Of Establishing A Water Rights Banking/Brokering Service In Utah, Jay M. Bagley, Kirk R. Kimball, Lee Kapaloski
Reports
Changes in water use patterns are an inevitable consequence of relentless social transformations taking place. Especially where waters have been fully appropriated, the needs of a dynamic society must be met through transfers in water ownership. Yet, there are a variety of factors that may operate as impediments to the shifting of water according to social preferences as expressed through water markets. As a mechanism for facilitating water transfers, exchagnes, or rentals, the concept of "water banking" and "water brokering" may be fruitful. This repot appraises the potential for initiating and operating such a service within the legal, institutional, and …
Weather Modification By Cloud Seeding, Arnett S. Dennis
Weather Modification By Cloud Seeding, Arnett S. Dennis
Reports
It is an understatement to say that people are confused about cloud seeding. While it has been called "the crime of the century" and outlawed in Pennsylvania, the governments of the dry, western part of the United States continue to spend tax revenues on cloud seeding to increase water supplies. During the past five years, I have talked with officials responsible for decisions regarding cloud seeding programs in about 15 states of the U.S.A., in a dozen other countries, and in the World Meteorological Organization. Some of the officials involved are experts in atmospheric physics, but most are not. Members …
A Follow Up Study Of Printing Management Graduates, Terry Miller
A Follow Up Study Of Printing Management Graduates, Terry Miller
Legacy ETDs
No abstract provided.
Hydrographic Features Of Fort Pierce Inlet, Florida, O. H. Von Zweck, D. B. Richardson
Hydrographic Features Of Fort Pierce Inlet, Florida, O. H. Von Zweck, D. B. Richardson
Ocean Engineering and Marine Sciences Faculty Publications
Circulation of the Fort Pierce Inlet and adjacent portions of the Indian River on Florida's Central East Coast was investigated during a 2 yr period. The currents were predominantly tidally driven, with wind effects becoming more important in the shallower areas of the Indian River and with increasing distance from the Inlet area. Variations in the salinity structure of the waters in the inlet area occur largely with the tidal stage.
Nebraska Mineral Operations Review, 1979, Raymond R. Burchett, Duane A. Eversoll
Nebraska Mineral Operations Review, 1979, Raymond R. Burchett, Duane A. Eversoll
Conservation and Survey Division
No abstract provided.