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Articles 14431 - 14460 of 14975
Full-Text Articles in Entire DC Network
The Evening Parade A History Of The Marine Corps' Most Famous Ceremony, John H. Admire
The Evening Parade A History Of The Marine Corps' Most Famous Ceremony, John H. Admire
History Theses & Dissertations
Abstract unavailable.
An Investigation To Model Radar Backscatter From Ridged First Year Sea Ice, Betty Lou W. Jackson
An Investigation To Model Radar Backscatter From Ridged First Year Sea Ice, Betty Lou W. Jackson
Electrical & Computer Engineering Theses & Dissertations
This thesis investigates the response of a radar type sensor, the microwave scatterometer, to meter scale roughness of first-year sea ice. The scatterometer measures the absolute backscattered power from a target, and use of the radar equation permits calculation of the surface reflectivity expressed as the radar scattering coefficient, σ0 also called the normalized radar cross section. This thesis develops an empirical, one dimensional model to predict the backscattered power from ridged first-year sea ice of known surface topography, by interpreting the surface as a series of angular facets and summing the proportional power from each facet. The model …
The Effects Of Modeling And Direct Instruction On Learning Disabled Children's Atypical Numerical Cognition, Mary Crossland Phelps
The Effects Of Modeling And Direct Instruction On Learning Disabled Children's Atypical Numerical Cognition, Mary Crossland Phelps
Communication Disorders & Special Education Theses & Dissertations
Despite the widespread nature of mathematical learning disabilities, research within this area has been minimal. This study investigated the basis of atypical numerical concept development. Seriation, one of the most important components of concrete logical reasoning, was studied to determine the existence of a developmental delay or horizontal decalage in the Piagetian stage transition from preoperational to concrete operational thought. The influence of modeling and modeling plus direct instruction on the induction of seriation behavior was examined, using 60 learning disabled children and 40 remedial math students in a 4 x 2 analysis of covariance. Students were selected on the …
A Comparison Of Emotionally Disturbed Adolescents' Math Achievement On The Wrat Piat And Key Math, Bridget Dalton Gorman
A Comparison Of Emotionally Disturbed Adolescents' Math Achievement On The Wrat Piat And Key Math, Bridget Dalton Gorman
Communication Disorders & Special Education Theses & Dissertations
This study investigated performance on the Key Math, WRAT Arithmetic and FIAT Math subtests. One hundred thirty emotionally disturbed adolescents undergoing inpatient treatment at a psychiatric hospital were administered the FIAT and WRAT. Sixty low math achievers were also administered the Key Math. Sixty-five subjects each were assigned to the Average Achievement and Below Average Achievement groups based on FIAT total test scores, FIAT math and WRAT arithmetic grade equivalent scores (GE) and standard scores (SS) correlated significantly for all groups. Key Math GE scores correlated significantly with FIAT math and WRAT arithmetic GE scores. Analyses of variance were computed …
The Wechsler Intelligence Scale For Children-Revised And The Woodcock-Johnson Tests Of Cognitive Ability: Performance Comparisons Of Elementary Students Being Referred For Special Education Services, Priscilla Mazza Hardiman
The Wechsler Intelligence Scale For Children-Revised And The Woodcock-Johnson Tests Of Cognitive Ability: Performance Comparisons Of Elementary Students Being Referred For Special Education Services, Priscilla Mazza Hardiman
STEMPS Theses & Dissertations
The purpose of this study was to compare the performance of students being referred for special education services on the Woodcock-Johnson Tests of Cognitive Ability (WJTCA), Part One from the Woodcock-Johnson Psycho Educational Battery and the Wechsler Intelligence Scale for Children-Revised (WISC-R). A sample of 54 elementary students in grades one through six was randomly selected from a referral population for special education identification and services. The subjects were administered all subtests in the Woodcock-Johnson Tests of Cognitive Ability and the Wechsler Intelligence Scale for Children Revised within a three month period of time. The results indicated a significant relationship …
Feeding Behavior Of Three Species Of Spionid Polychaetes, Thomas Lane Stokes Jr.
Feeding Behavior Of Three Species Of Spionid Polychaetes, Thomas Lane Stokes Jr.
Biological Sciences Theses & Dissertations
Observations of feeding behavior of three species of spionid polychaetes (Paraprionospio pinnata, Polydora ligni, and Streblospio benedicti) were performed in currents ranging from 0 to 10 cm/sec over fine and coarse sediments and in high and low suspended particle loads. These interface feeders may suspension feed, deposit feed, or both simultaneously using a pair of anterior tentaculate feeding palps. P. ligni and S. benedicti were found to alter their palp behaviors in response to experimental manipulations. P. ligni reacted strongly to currents by suspension feeding with coiled palps. S. benedicti reacted strongly and complexly to food particle type and availability. …
An Analysis Of The Relationships Between Environmental Stimuli Personality Variables And Levels Of Burnout In Intensive Care Nurses, Catherine Via Cauthorne
An Analysis Of The Relationships Between Environmental Stimuli Personality Variables And Levels Of Burnout In Intensive Care Nurses, Catherine Via Cauthorne
Psychology Theses & Dissertations
The syndrome of burnout is characterized by the development of negative self-perceptions and behaviors designed to protect oneself from emotional distress in a worker as a result of painful emotional stress generated by interactions between psychological demands from the work environment, personality needs of the worker, and the worker's self-perceived difficulty in meeting these demands and needs. The contributions of both environmental characteristics and personality traits to burnout levels were examined in a group of 45 intensive care nurses. Tests used included the Sixteen Personality Factor Questionnaire, a data questionnaire, the Survey of Organizations, and the Maslach Burnout …
Development Of An On-Line Computer System For Enzyme Kinetics Studies, Jacqueline R. Thweatt
Development Of An On-Line Computer System For Enzyme Kinetics Studies, Jacqueline R. Thweatt
Chemistry & Biochemistry Theses & Dissertations
The PDP-11/10 minicomputer was interfaced to the Beckman 25 ultraviolet/visible spectrophotometer and this on-line computer system was applied to enzyme kinetics studies. This interface involved hardware equipment to locate, amplify, and transmit the analog signal to an analog-to-digital converter, and software to acquire and store the digital data. Data processing programs were used to calculate kinetic parameters and statistical information from the acquired data.
The Varian Cary 219 ultraviolet/visible spectrophotometer can be readily interfaced to the Apple II Plus microcomputer by hardware equipment which can be purchased from the manufacturer. Various software may also be purchased for use in enzyme …
An Ecological Study Of The Troglobitic Cirolanid Isopod Antrolana Lira Bowman From Madisons Saltpetre Cave And Stegers Fissure, Augusta Co., Virginia, T. Lynn Collins
An Ecological Study Of The Troglobitic Cirolanid Isopod Antrolana Lira Bowman From Madisons Saltpetre Cave And Stegers Fissure, Augusta Co., Virginia, T. Lynn Collins
Biological Sciences Theses & Dissertations
An ecological study of the troglobitic cirolanid isopod, Antrolana lira Bowman, was begun in August 1979 and continued through September 1980. The isopod is restricted to two phreatic lakes in Madisons Saltpetre Cave and one phreatic lake in nearby Stegers Fissure, Augusta Co., Virginia.
All three phreatic lakes were scuba dived and surveyed. No direct connections were found between the lakes. However, physical similarities suggest that the lakes are made up of the same body of phreatic water.
Random samples were taken monthly and seasonally from the east lake in Madisons Saltpetre Cave and the lake in Stegers Fissure. Specimens …
Absorption Coefficients Of Ozone At Low Temperature In The Visible Region, Hessameddin Ghiassi
Absorption Coefficients Of Ozone At Low Temperature In The Visible Region, Hessameddin Ghiassi
Physics Theses & Dissertations
The temperature dependence of absorption coefficients of ozone was studied between 7567 Å and 4630 Å . When the gas was cooled from room temperature to -108° C, an overall increase in the absorption coefficients was noticed. The maximum increase of 5% occurred at λ = 6020 Å. In general, the absorption is linearly dependent on temperature.
The Influence Of Lamaze Classes And Delivery Room Presence On Paternal Attachment Behavior, Cherie Sammis-Gonzales
The Influence Of Lamaze Classes And Delivery Room Presence On Paternal Attachment Behavior, Cherie Sammis-Gonzales
Ellmer School of Nursing Theses & Dissertations
The purpose of this research was to determine the significance of attendance of Lamaze classes and(or presence in the delivery room on paternal attachment behaviors. Seventeen white, first-time fathers, ages 20 to 35, were observed in the mother's hospital room within 72 hours of birth using a modified paternal attachment tool. The behaviors observed included verbalization, inspection, holding, en face, smiling, and tactile response. Observations were scored on 30-second intervals for a total of 15 minutes. Fathers were then placed into one of the following groups: Group I (n 10) — Fathers from Lamaze classes and present in the delivery …
Client Acceptance Of The Role Of The Nurse Practitioner, Mary Elizabeth Butt
Client Acceptance Of The Role Of The Nurse Practitioner, Mary Elizabeth Butt
Ellmer School of Nursing Theses & Dissertations
Former studies aimed at answering questions regarding the acceptance of the nurse practitioner role usually have compared that role to that of the primary care physician. This study seeks answers to the question of acceptance of the role of the nurse practitioner as it stands on its own, encompassing the concepts of both care and cure. Using a five-point Likert scale, 90 adult recipients of nurse practitioners' care for acute episodic and chronic illnesses in clinic settings, were surveyed as to their perceptions of that care. The data were statistically analyzed and were found to show a high level of …
The Effects Of Exercise On Women's Self-Esteem, Wendy Laurie Biddle
The Effects Of Exercise On Women's Self-Esteem, Wendy Laurie Biddle
Ellmer School of Nursing Theses & Dissertations
The effects of a 12-week session of aerobic dancing were examined on two groups of women, assigned into fit and unfit groups. The subjects had voluntarily enrolled in aerobic dancing prior to the study. Self-Esteem scores were obtained using the Rosenberg Self-Esteem Scale during the first and tenth or eleventh weeks of the session. Pretest and posttest scores were analyzed along with the variables of age, marital status, weight loss, and smoking habits. A significantly higher gain score (posttest score subtracted from pretest score) was found on those women who attended three weekly classes compared to those who attended two …
A Comparative Analysis Of Factors Influencing Registered Nurse Retention And Turnover Below The Head Nurse Level In Acute Care Hospitals, Jean M. Snyder
A Comparative Analysis Of Factors Influencing Registered Nurse Retention And Turnover Below The Head Nurse Level In Acute Care Hospitals, Jean M. Snyder
Ellmer School of Nursing Theses & Dissertations
In a comparative survey, two groups of registered nurses (stayers and leavers) below the head nurse level were measured in the areas of human need satisfaction perception, role perception, and equity perception. The two registered nurse groups were further subdivided by educational preparation into diploma, associate, and baccalaureate degree stayers and leavers for comparative analysis. Literature reviews revealed considerable research in the area of retention and turnover, but few studies used a theoretical framework and a multivariate basis for observation. One hundred nine registered nurses from the ten area acute care hospitals were surveyed using an independently developed Nursing Perceptions …
An Analysis Of A Sample Of Parents And University Freshmen In Regard To Their Attitudes Toward The Needs Of Sex Education In Community Schools, Linda C. Aleksa
An Analysis Of A Sample Of Parents And University Freshmen In Regard To Their Attitudes Toward The Needs Of Sex Education In Community Schools, Linda C. Aleksa
Community & Environmental Health Theses & Dissertations
This study attempted to investigate a sample of both parents' and college freshmens' attitudes toward sex education, and the content and timing of sex education in the Tidewater schools. Two Likert-type scales each containing ten statements were administered in order to survey attitudes. A statistically significant difference was found in scores on the attitude toward content and timing of sex education scale between parents and college freshmen. Parents demonstrated a more favorable attitude toward sex education as an integral component of the overall educational curriculum. The majority of parents indicated support for including important aspects such as reproduction and indicated …
The Contributions Of Robert Grosseteste And Roger Bacon To The Development Of The Scientific Method At Oxford, Isabel Charles Duncan Hatchett
The Contributions Of Robert Grosseteste And Roger Bacon To The Development Of The Scientific Method At Oxford, Isabel Charles Duncan Hatchett
Institute for the Humanities Theses
Robert Grosseteste and Roger Bacon were instrumental in bringing about the use of experimental science and inductive reasoning at Oxford University, and in making science and mathematics a central part of intellectual thought. Grosseteste introduced the experimental method and Bacon assured its survival, amplifying Grosseteste's ideas and passing them on, His role was as important to science and mathematics as was Grosseteste's innovation.
The scientific thoughts of these men differed radically from the accepted medieval approach. They used mathematics and experimentation in their studies and worked with theories of science and education in developing their ideas. They examined science in …
The Temporal And Spatial Distribution Of Hydrocarbons In Atmospheric Deposition From Stations Surrounding Lower Chesapeake Bay, David Benjamin Webber
The Temporal And Spatial Distribution Of Hydrocarbons In Atmospheric Deposition From Stations Surrounding Lower Chesapeake Bay, David Benjamin Webber
OES Theses and Dissertations
Hydrocarbon concentrations were determined in bulk, wet, and dry deposition samples from urban and non-urban locations surrounding lower Chesapeake Bay. Mean hydrocarbon concentrations in bulk deposition samples were over three times greater at the urban station indicating a localized source. The major hydrocarbons present were n-alkanes, polycyclic aromatic hydrocarbons (PAH), and the unresolved complex mixture (UCM). The PAH and the UCM were an indication of significant anthropogenic inputs while the odd/even distribution of the n-alkanes was an indication of biogenic sources. These findings indicated seasonal trends of highest biogenic hydrocarbon inputs in the spring and summer months and highest anthropogenic …
The Regioselective 3-Alkylation Of Piperidine, Richard Dunn Todd
The Regioselective 3-Alkylation Of Piperidine, Richard Dunn Todd
Chemistry & Biochemistry Theses & Dissertations
The compounds: 3-allylpiperidine, 3-ethylpiperidine and 3-n-butylpiperidine have been synthesized by regioselectively alkylating the three position of piperidine. Piperidine was converted to N-chloropiperidine and then dehydrohalogenated to produce Δ1-piperideine. The enamide anion was generated by adding solutions of Δ1-piperideine to ethylmagnesium bromide or lithium diisopropylamide. Addition of alkylhalides produced 3-alkyl- Δ1-piperideine which could be reduced or alkyllithiated to give 3-alkylpiperidines or 2,3-dialkylpiperidines respectively.
The yields of products were low and the reaction generated a continuum of mono- and di-alkylpiperidines and there was evidence that several dimeric piperideines were formed. The low yields were discussed in …
A Comparison Of Recruitment Strategies Among Brachyuran Crustacean Megalopae Of The York River, Lower Chesapeake Bay And Adjacent Shelf Waters, David Franklin Johnson
A Comparison Of Recruitment Strategies Among Brachyuran Crustacean Megalopae Of The York River, Lower Chesapeake Bay And Adjacent Shelf Waters, David Franklin Johnson
OES Theses and Dissertations
Twenty-one stations forming a transect of the Pamunkey River, York River, lower Chesapeake Bay and adjacent coastal waters were sampled from July through September 1980. The megalopa stages of 11 brachyuran species were sampled. Vertical and horizontal distributions are described for each species in relation to salinity and water column stratification. The megalopae are assigned to three apparent recruitment strategies: retained estuarine, expelled estuarine and retained coastal megalopae. the megalopa stages of estuarine adults, such as Hexapanopeus angustifrons, Neopanope sayi, Panopeus herbstii and Pinnotheres ostreum, are retained in estuarine epibenthic waters, while Rhithropanopeus harrisii are retained in slightly shallower …
A Pattern Analysis Algorithm For Wind Ambiguity Removal, Jaime R. Tormos
A Pattern Analysis Algorithm For Wind Ambiguity Removal, Jaime R. Tormos
Electrical & Computer Engineering Theses & Dissertations
Some remote sensing devices, such as satellite microwave scatterometers, produce sampled wind vectors that are accurate in speed and streamline direction, but have a directional ambiguity of 180°. The extraction of information from the two dimensional wind vectors is readily handled using pattern analysis techniques. It is shown that there is sufficient information in the spatial relationships of the generated windstream vectors to recognize the driving meteorological wind patterns. This then leads to the resolution of the wind ambiguity problem. This thesis presents the development of a pattern analysis algorithm that generates a measure of the raw data set that …
Blueprints For A Small Theatre, Thomas J. Gale
Blueprints For A Small Theatre, Thomas J. Gale
Institute for the Humanities Theses
The contemporary small theatre, considered by some to be the germ of a new American theatre, has long been plagued by artistic starvation, technical ineptitude, and administrative inefficiency. Despite its traditional shortcomings, the small theatre has the potential to develop into a vital and financially viable institution.
Through a synthesis of the published opinions of theatre professionals and direct observations gleaned from practical theatre experience, this study addresses the aesthetic and practical problems faced by many contemporary small theatres. Solutions to these problems are suggested through specific plans for the establishment of a small but expanded professional theatre company.
The …
A Laboratory Study Of Nongenetic Embryonic Adaptation To Salinity And Its Subsequent Effects Upon Larval Development Of The Grass Shrimp Palaemonetes Pugio Holthius, Paul Jay Anninos
OES Theses and Dissertations
Fertilized embryos of the grass shrimp Palamonetes pugio Holthuis (Decapoda; Caridea) were exposed to two levels of salinity [5 ppt (exposed) and 20 ppt (control)] during incubation to determine the extent to which embryonic adaptation influences subsequent larval development. Larval response to embryonic exposure was measured at three salinities (5 ppt, 10 ppt, and 20 ppt) as the fraction of larvae surviving to metamorphosis and the duration (in days) of larval development. The survival rate of larvae hatched from control, or non-adapted, embryos was significantly influenced by rearing salinity. The differences in survival of pre-adapted larvae (exposed group), however, were …
Ortho Cyclization Reactions Of Catecholamines, Robert Lee Hudkins
Ortho Cyclization Reactions Of Catecholamines, Robert Lee Hudkins
Chemistry & Biochemistry Theses & Dissertations
A study was undertaken to examine the potential for ortho cyclization associated with the synthesis of 1,2,3,4,-tetrahydroisoquinolines using the Pictet-Spengler reaction. Specif1cally, the condensation of the biogenic amines, dopamine, norepinephrine and epinephrine were carefully examined in light of current literature and the facility and extent of ortho cyclization in each case. The para isomers of these three biogenic amine condensation products were isolated and characterized, while only the ortho isomer derived from dopamine was found stable and could be isolated, and structurally identified. These studies demonstrate that a second cyclization product does, in fact, form in each instance and that …
Measuring Interpersonal Dependency In Adolescent Psychiatric Inpatients, Susan D. Schaffer
Measuring Interpersonal Dependency In Adolescent Psychiatric Inpatients, Susan D. Schaffer
Ellmer School of Nursing Theses & Dissertations
The successful inpatient treatment of emotionally troubled adolescents must facilitate their achievement of developmentally appropriate independence while minimizing the maladaptive dependency that can be fostered by the hospitalization experience. Levels of interpersonal dependency were measured in seven adolescent psychiatric inpatients over a ninety day period. The Interpersonal Dependency Inventory by Hirschfeld, Klerman, Gough, Barrett, Korchin, & Chodoff was utilized. The individual therapist of each participant independently assessed the participant's response to hospitalization at forty-five and ninety days using a five point Leikert type scale. The study demonstrated no significant changes in dependency levels at forty-five and ninety days. The therapist's …
Aseptic Techniques Currently Used In Dental Hygiene Clinics Within Accredited Dental Hygiene Programs, Jan Shaner Greenlee
Aseptic Techniques Currently Used In Dental Hygiene Clinics Within Accredited Dental Hygiene Programs, Jan Shaner Greenlee
Dental Hygiene Theses & Dissertations
The purpose of this survey was to assess the aseptic techniques currently used in 197 accredited dental hygiene programs in the United States. A self-designed, 51-item questionnaire examined the aseptic techniques used in: (1) preparation of the dental hygiene clinic and unit, (2) instrument preparation, (3) preparation of the student practitioner, (4) preparation of the patient, (5) preparation of radiographic equipment, and (6) treatment of the hepatitis patient.
The questionnaire and a letter of transmittal were mailed to the clinical supervisor of each accredited dental hygiene program. Data were obtained from 173 returned questionnaires and analyzed via modal and percentage …
A Capacitance Wavestaff And Measurements Of Wave Height Decay In The Surf Zone, David L. Timpy
A Capacitance Wavestaff And Measurements Of Wave Height Decay In The Surf Zone, David L. Timpy
OES Theses and Dissertations
A wavestaff system utilizing capacitance was developed to measure wave heights in the surf zone. Data were used to test the assumption that wave height decays linearly across the surf zone. The instrument system consisted of two wavestaffs and housing which contained the needed electronic circuits and a data recorder. Acceptable frequency response for waves of period greater than two seconds could not be obtained if sensor wires were greater than 0.35 mm in diameter. The size used was 0.35 mm.
A Structural Analysis Of Phytoplankton In The Chesapeake Bay Plume And Adjacent Shelf Waters, Charles K. Rutledge
A Structural Analysis Of Phytoplankton In The Chesapeake Bay Plume And Adjacent Shelf Waters, Charles K. Rutledge
Biological Sciences Theses & Dissertations
Community structures of phytoplankton populations from the southern portion of the Chesapeake Bight were examined and associated to real and environmental spaces. The sampling design was specifically intended to examine the small scale three dimensional structure of the Chesapeake Bay plume as characterized by its phytoplankton populations. The phytoplankton were sampled at 101 stations, non-synoptically, over a five day period in mid-June, 1980.
Several multivariate numerical techniques were used to determine the relationships between the phytoplankton species distributions and pattern the low salinity plume distribution. A pattern of distribution which approximated the salinity plume resulted from several clustering procedures. Environmental …
Unbounded Functions And Positive Linear-Operators, J. J. Swetits, B. Wood
Unbounded Functions And Positive Linear-Operators, J. J. Swetits, B. Wood
Mathematics & Statistics Faculty Publications
The approximation of unbounded functions by positive linear operators under multiplier enlargement is investigated. It is shown that a very wide class of positive linear operators can be used to approximate functions with arbitrary growth on the real line. Estimates are given in terms of the usual quantities which appear in the Shisha-Mond theorem. Examples are provided.
An Update Of The Tidewater Apprenticeship Information Handbook, Claud R. Divers Iii
An Update Of The Tidewater Apprenticeship Information Handbook, Claud R. Divers Iii
OTS Master's Level Projects & Papers
The problem of this study was to review the Tidewater Apprenticeship Information Handbook to update information about the apprentice program and employment outlooks for the various trade areas. This information was compiled for the use of guidance and vocational education personnel for local high schools and community colleges.
Organic N-Chloramines: Chemistry And Toxicology, Frank E. Scully, Jr., Maxwell A. Bempong
Organic N-Chloramines: Chemistry And Toxicology, Frank E. Scully, Jr., Maxwell A. Bempong
Chemistry & Biochemistry Faculty Publications
The stability of aqueous solutions of organic N-chloramines, suspected of contaminating chlorinated water, has been studied. Two factors influence the decomposition of solutions of N-chloropiperidine and N-chlorodiethylamine: a spontaneous decomposition and photodecomposition. Since solutions of these compounds are relatively long-lived, a need for an analytical method for their identification is discussed. A new method is described which involves reaction of organic N-chloramines with arenesulfinic acid salts. The method gives high yields of stable arenesulfonamides. Several toxicological studies of N-chloropiperidine are described. The compound is mutagenic by Ames assay in Salmonella typhimurium strain TA 100 and does not require metabolic activation …