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Articles 69001 - 69030 of 69245
Full-Text Articles in Entire DC Network
Shear And Tension Fracture Patterns Of Northwest Arkansas, John F. Gibbons
Shear And Tension Fracture Patterns Of Northwest Arkansas, John F. Gibbons
Journal of the Arkansas Academy of Science
No abstract provided.
An Investigation Of Lehmer's Method For Finding The Roots Of Polynomial Equations Using The Royal-Mcbee Lgp-30, James W. Joiner
An Investigation Of Lehmer's Method For Finding The Roots Of Polynomial Equations Using The Royal-Mcbee Lgp-30, James W. Joiner
Masters Theses
“The solution of the general polynomial equation f (x) = O, where f(x) = anxn + an-1xn-1 + … + a1x = ao, has received the attention of many mathematicians for hundreds of years and is at present in a very highly developed state. Even a cursory examination of the literature will reveal many volumes on this subject. However, this study is concerned primarily with the numerical methods for solving polynomial equations, hence the classical methods will be treated here only as they contribute to this field.
Virtually all of …
Seismic Investigation Of Flint Clay Deposits In East Central Missouri, Roland D. Dayley
Seismic Investigation Of Flint Clay Deposits In East Central Missouri, Roland D. Dayley
Masters Theses
"Seismic refraction surveys were conducted in several localities within the east central Missouri clay districts in order to determine the applicability and economy of this method as a clay exploration tool. Results of these surveys revealed that the sink-type clay deposits possess lithologic and structural characteristics that lend themselves favorably to this method of exploration.
Seismic records obtained from profiles shot across known deposits indicate that several factors other than velocity contrast serve to produce apparent seismic anomalies.
Some unforeseen time loss and expense was encountered because of malfunctions of the seismic equipment employed, which necessitated the purchase and installation …
A Laboratory-Centered General Chemistry Course For College Freshmen, Alexander Vavoulis
A Laboratory-Centered General Chemistry Course For College Freshmen, Alexander Vavoulis
University of the Pacific Theses and Dissertations
In order to give the laboratory-centered course a trial run and to compare it with a lecture-centered course it seemed necessary to the author that both courses should be taught and compared. The latter gave rise to the following hypotheses:
- Students in a laboratory-centered general chemistry course show more favorable attitudes toward chemistry than do students in a lecture-centered course.
- Students in a laboratory-centered course show as good a subject-matter mastery as students in a lecture-centered course.
Foraminifera Of The Cenozoic And Recent Genus Sphaerogypsina Galloway, Wayne C. Horton
Foraminifera Of The Cenozoic And Recent Genus Sphaerogypsina Galloway, Wayne C. Horton
Masters Theses
"The morphology of Sphaerogypsina as seen in thin section affords various characters useful in classification] 1) arrangement and composition of the wall (calcareous-perforate, radially crystalline); 2) layering of wall (like Gypsina, without layering or black line, having only microlamellae); 3) shape of test (always spherical); and 4) specific characters: size of test, order/unorder ratio, size of chambers, wall thickness, pore diameter, and type of embryonic apparatus.
Correlation of the above characters has allowed recognition of two new species. Comparisons with other genera strongly suggest placing the genus in the Family Gypsinidae (nom. correct.) rather than in the …
Stylolites And Sedimentary Structures In The Cave-In-Rock Fluorspar District, Southern Illinois, Won Choon Park
Stylolites And Sedimentary Structures In The Cave-In-Rock Fluorspar District, Southern Illinois, Won Choon Park
Masters Theses
"This thesis deals with stylolites, slump structures, sulfides in the oolitic limestone, and geometry of the bedded fluorite deposits in the Cave-In-Rock fluorspar district, southern Illinois. Stratigraphic zones studied were: 1) the upper part of the lower Fredonia limestone member, 2) the upper part of the upper Fredonia limestone member,,and 3) the upper part of the Renault formation.
Geometry of the ore rocks and related structures was investigated. Most of the ore is layered and constitutes part of the sedimentary strata.
Slump structures were observed and studied in detail. Most of the slump structures show evidence which indicates a sedimentary …
K₂O/Na₂O Content As A Possible Index To The Chronological Sequence Of Some Precambrian Igneous Rocks Of Missouri, Erwin Joseph Mantei
K₂O/Na₂O Content As A Possible Index To The Chronological Sequence Of Some Precambrian Igneous Rocks Of Missouri, Erwin Joseph Mantei
Masters Theses
"Flame photometric analyses for K₂O and Na₂O were run on 31 samples of the Precambrian igneous rocks of Missouri. Samples were collected from the field, physically prepared and dissolved by a standard method and a modified standard method of rapid silicate analyses. The K₂O, Na₂O values obtained are averages between two methods of analyses. The modified method reduces by 80% the time required to chemically digest a rock sample. The results for both methods are not significantly different. Curtin and Company Advanced Flame Photometer was used.
Results have been plotted on graphs and a chronological sequence for the named Precambrian …
The Geology Of The Eldorado Mining District, Clark County, Nevada, Spenst M. Hansen
The Geology Of The Eldorado Mining District, Clark County, Nevada, Spenst M. Hansen
Doctoral Dissertations
The rocks of the Eldorado mining district, Clark County, Nevada, are of Precambrian, Tertiary and Quaternary age. Precambrian rocks include a heterogeneous series of gneisses and schists, younger garnetiferous granite gneiss and a youngest group of pegmatites. Paleozoic and Mesozoic rocks present in surrounding areas are absent in the district and Tertiary volcanics lie directly on the Pre- cambrian basement. Tertiary rocks consist of middle to late Tertiary flows and pyroclastic beds of andesite, basalt and rhyolite. These are assigned to three volcanic formations: the Patsy Mine volcanics; the Golden Door volcanics; and the Mount Davis volcanics. The Patsy Mine …
An Investigation Of Factors Relating To Turnover Among Nursing Personnel Of A Selected Hospital, Thelma I. Ogren
An Investigation Of Factors Relating To Turnover Among Nursing Personnel Of A Selected Hospital, Thelma I. Ogren
Loma Linda University Electronic Theses, Dissertations & Projects
The purpose of this study was to identify factors that contributed to the turnover among nursing personnel of a selected hospital in a large metropolitan city. It was felt that such a study would assist in the reduction of turnover among the nursing personnel.
Other similar studies revealed that reasons for turnover among hospital nursing personnel were due to low salaries, hours of work, work loads, communications, improper placement, poor supervision, and a lack of promotional opportunities. It was also found that the younger age group had a larger turnover rate than the older age group, that hospitals with schools …
The Effects Of Certain Environmental And Biological Factors On Rally Calling In The Chukar Partridge, H. Warrington Williams
The Effects Of Certain Environmental And Biological Factors On Rally Calling In The Chukar Partridge, H. Warrington Williams
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Naturalists for many years have known that birds sing most at dawn and at dusk, but to which of many physical variables they are responding has not been completely determined. This problem has taken on importance in the field of wildlife management because calling rate has been used as an index of abundance for numerous game birds, namely the Pheasant, Phasianus colchicus (Kimball, 1949); the Mourning Dove, Zenaidura macroura (McClure, 1939); the Bobwhite Quail, Colinus virginianus (Bennitt, 1951; Rosene, 1957): and the Woodcock, Philohela minor (Pitelka, 1943).
Extension Of The Range Of Northern Pike (Esox Lucius), D. B. Mccarraher
Extension Of The Range Of Northern Pike (Esox Lucius), D. B. Mccarraher
Nebraska Game and Parks Commission: Staff Research Publications
Recent technical publications and popular literature have not fully established the present geographical range of the northern pike. A survey by the writer in 1955 showed that 26 states and Canadian provinces had resident northern pike populations. During the past 5 years pike have been introduced into several other states, thus extending the range. Pike are already established in most of the northern states and are now being released into waters of the south and west.
Water For Man, Sterling A. Taylor
Water For Man, Sterling A. Taylor
Faculty Honor Lectures
Man's uses for water are rapidly increasing. His demands and needs for water for his personal use and for cleanliness, recreation, industry, and food production are increasing as the population and standard of living rise. At the same time, his knowledge of the behavior and nature of water is increasing.
Some Aspects Of Geology As A Service To The Public, Robert J. Willard
Some Aspects Of Geology As A Service To The Public, Robert J. Willard
Journal of the Arkansas Academy of Science
No abstract provided.
Normal Incidence - Grazing Incidence Spectrograph For The Vacuum Ultraviolet, J. Kirston Henderson
Normal Incidence - Grazing Incidence Spectrograph For The Vacuum Ultraviolet, J. Kirston Henderson
Masters Theses
"Presentation of Design.
This thesis presents the design for a combination normal incidence - grazing incidence spectrograph for use in the vacuum ultra-violet and soft x-ray portions of the electromagnetic spectrum. The instrument described was designed and constructed as a partial fulfillment of the requirements for the master of science degree from The Missouri School of Mines and Metallurgy.
Design Details.
Included in this thesis is a complete set of all detailed drawings and information required for either effective use or duplication of this instrument. Complete discussions of the design, operating procedures, difficulties encountered during construction and suggestions for future …
Sedimentary Features And Geochemistry Of The Sulphide Facies In The Transition Between The Lamotte Sandstone And The Bonneterre Formation In The Fredericktown Area, Madison County, Missouri, Farouk El Baz
Masters Theses
"SCOPE AND PURPOSE The Lead Belt area of southeast Missouri, which is nearly 40 km. long and 10 km. wide, is considered, at the present time, the most important lead district in the world. Lead has been mined in this area by the natives prior to 1720, and almost continuously up to the present day. A variety of sulphides are mined from different places in the district.
The sulphide deposits in the Lead Belt are considered to be typical examples of the Mississippi Valley Type Deposits, which are distributed all over the world. As in practically all the Mississippi Valley …
A Study Of Team Leader Activity On A Selected Medical Unit In A General Hospital, Margaret Elaine Schulhof
A Study Of Team Leader Activity On A Selected Medical Unit In A General Hospital, Margaret Elaine Schulhof
Loma Linda University Electronic Theses, Dissertations & Projects
The purpose of this study was to observe and analyze the activities of the nursing team leader on a selected medical unit of the Loma Linda Sanitarium and Hospital and to measure the percentage of time spent in each recognized function.
To accomplish this, the descriptive survey method was used. Six team leaders were "shadowed" by an. observer for a total of ten days. Record of all team leader activity was made on a specially prepared form which provided for classification of activity under Leino's six functions for the team leader. These are:
- To Identify the Patient's Nursing problems
- To …
A Study To Ascertain Factors Which Influence Job Satisfaction Among The Head Nurse And Staff Nurse Groups In A Selected Denominational Hospital, Yvetta Nelson
Loma Linda University Electronic Theses, Dissertations & Projects
The purpose of this survey was to ascertain factors which influence job satisfaction among the head nurse and staff nurse groups in a selected denominational hospital.
For this study the normative survey approach was used as the method of research. The SRA Employee Inventory put out by Science Research Associates, Inc., in connection with the Industrial Relations Center of the University of Chicago was the tool of research used to collect the data. Eighty-two professional nurses participated in the survey.
The data were tabulated, analyzed and interpreted in relation to business and industrial norms as established by Science Research Associates, …
The Influence Of Soil Moisture Suction And Evaporative Demand On Actual Evapotranspiration And Yield Of Alfalfa, Bozorg Bahrani
The Influence Of Soil Moisture Suction And Evaporative Demand On Actual Evapotranspiration And Yield Of Alfalfa, Bozorg Bahrani
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Evapotranspiration has been defined as the combination of evaporation of water from the soil surface and transpiration of water by vegetation. If the ground is well covered by plants, most of the water is lost by transpiration of water directly from the plant tissue, rather than by evaporation of water directly from the soil surface. The term consumptive use is synonymous with evapotranspiration.
The Effects Of Flouride Ion On Some Blood Constituents Of Rainbow Trout, Salmo Gairdneri, Linnaeus, Richard H. Alger
The Effects Of Flouride Ion On Some Blood Constituents Of Rainbow Trout, Salmo Gairdneri, Linnaeus, Richard H. Alger
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
During the past quarter of a century there has been considerable investigation into the effects of fluorides on living organisms. It has been well established, as a result of these studies, that both small and elevated amounts of fluorides present in the environment may have a marked toxic effect upon gaining entry into the organism. Much of the research involving fluorides and the living organism has been confined to experimentation with animals, although considerable evidence indicates that plants are also subject to injury if fluorides are present in the atmosphere or the soil.
The great majority of the research dealing …
Financial Management Of Large Forest Ownerships, John Fedkiw, William L. Moise, Walter H. Meyer, Meade Whitaker, Henry I. Barclay Jr., C. G. Mclaren, J. A. Segur
Financial Management Of Large Forest Ownerships, John Fedkiw, William L. Moise, Walter H. Meyer, Meade Whitaker, Henry I. Barclay Jr., C. G. Mclaren, J. A. Segur
Yale School of the Environment Bulletin Series
No abstract provided.
The Dispersal And Acclimatization Of The Muskrat, Ondatra Zibethicus (L.), In Finland, Atso Artimo
The Dispersal And Acclimatization Of The Muskrat, Ondatra Zibethicus (L.), In Finland, Atso Artimo
Other Publications in Wildlife Management
The natural range of the muskrat, Ondatra zibethicus (L.), comprises the major part of the North American continent (Fig. 1). In the northern and eastern parts of its range its distribution is more or less continuous, but in the arid west it is very patchy. The species is absent from some areas which, according to Storer (1938), are suitable for it. This writer assumes (op.cit. pp. 159-160) that »Muskrats probably reached some of the now isolated waters of the West during a period when aquatic and palustrine habitats were more widespread, in late Pleistocene or postglacial times. With subsequent contraction …
Comprehensive Survey Of Sedimentation In Lake Mead, 1948-49, W. O. Smith, C. P. Vetter, G. B. Cummings, U.S. Bureau Of Reclamation
Comprehensive Survey Of Sedimentation In Lake Mead, 1948-49, W. O. Smith, C. P. Vetter, G. B. Cummings, U.S. Bureau Of Reclamation
Publications (WR)
Reservoirs are becoming an increasingly prominent feature of the American landscape. Built for flood mitigation and to change a fluctuating river into a dependable source of water for irrigation, power, and other purposes, they are predestined, like natural lakes, to be destroyed sometime following their creation. Sedimentation sooner or later robs most lakes and reservoirs of their capacity to store water. The significance of sedimentation in the life of Lake Mead, the largest artificial reservoir in the world, was realized when the plan for the reservoir was conceived, and an aerial survey of the floor was made in 1935 before …
Space Journal, Vol. 2, No. 2, December 1959, Space Enterprises, Inc.
Space Journal, Vol. 2, No. 2, December 1959, Space Enterprises, Inc.
Space Journal
No abstract provided.
Atlas Missile, Space Enterprises, Inc.
Space And The Law, Menachem Sheffy
Green Mountain Proving Ground: Gateway To Tomorrow, G Harry Stine
Green Mountain Proving Ground: Gateway To Tomorrow, G Harry Stine
Space Journal
No abstract provided.
Space Journal, Vol. 2, No. 1, September 1959, Space Enterprises, Inc.
Space Journal, Vol. 2, No. 1, September 1959, Space Enterprises, Inc.
Space Journal
No abstract provided.
An Aeromagnetic And Geologic Reconnaissance Survey Of The Sidney - Augusta And Gardiner Areas : Kennebec County, Maine, Lawrence A. Wing
An Aeromagnetic And Geologic Reconnaissance Survey Of The Sidney - Augusta And Gardiner Areas : Kennebec County, Maine, Lawrence A. Wing
Maine Collection
An Aeromagnetic and Geologic Reconnaissance Survey of the Sidney - Augusta and Gardiner Areas : Kennebec County, Maine
(GP & G Survey #5)
by Lawrence A. Wing, Chief Geologist, James W. Sewall Company, Old Town, Maine.
Maine Geological Survey, Department of Economic Development, Augusta, Maine - August 12, 1959.
An Investigation Of The Feasibility Of Establishing A School Of Nursing In Connection With Bella Vista Hospital, M. Eulalia White
An Investigation Of The Feasibility Of Establishing A School Of Nursing In Connection With Bella Vista Hospital, M. Eulalia White
Loma Linda University Electronic Theses, Dissertations & Projects
The Bella Vista Hospital has had problems of staffing since it opened. Nurse shortages have been typical of all insular hospitals. There have been no national Seventh-day Adventist nurses available and no school where they could receive nursing education. The question has been raised whether it would be feasible to establish a school of nursing in connection with the hospital. This would give opportunity for Seventh-day Adventist young people who seek nursing education and would help prepare nurses to staff the hospital.
Through a survey of the Seventh-day Adventist church and youth membership in the Inter-American Division, it was found …
An Evaluation Form For Professional Staff Nurses, Barbara Jean Brauer
An Evaluation Form For Professional Staff Nurses, Barbara Jean Brauer
Loma Linda University Electronic Theses, Dissertations & Projects
The problem of this study was to develop an evaluation form to measure the differentiation in quality of nursing care given by professional staff nurses. It was hoped that the evaluation form could be used by administrators of nursing service as a basis for giving pay increases based on nursing performance.
A review of nursing literature did not reveal the existence of an evaluation form based on verifiable data of performance upon which an objective evaluation could be made.
The critical incident technique was used to gather the data for the study. The respondents were nursing supervisory personnel employed in …