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Articles 12391 - 12420 of 14985
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Structural Emergence And The Collaborative Behavior Of Autonomous Nano-Satellites, Daniel J. Petrovich
Structural Emergence And The Collaborative Behavior Of Autonomous Nano-Satellites, Daniel J. Petrovich
Theses and Dissertations
The collaborative behavior of nano-satellites in a zero-gravity environment is explored, and satellite characteristics are proposed that maximize constellation robustness and minimize manufacturing costs. Behavioral algorithms are proposed to facilitate both swarming and structural formation and are validated using the Structural Emergence Simulator (STEMS) Graphical User Interface (GUl). A payload of multiple satellites is placed in a zero-gravity environment and released to re-configure autonomously into a pre-designed structure. Data transmission between satellites is not permitted during the swarming phase of the structure formation mission. A binary behavior algorithm is invented that produces a direction and magnitude solution to the satellite …
Pilot Inventory Complex Adaptive System (Picas): An Artificial Life Approach To Managing Pilot Retention, Martin P. Gaupp
Pilot Inventory Complex Adaptive System (Picas): An Artificial Life Approach To Managing Pilot Retention, Martin P. Gaupp
Theses and Dissertations
The retention of skilled pilots continues to be a problem that plagues the United States Air Force. After spending millions of dollars on training and education, it is disheartening to see the mass exodus of experienced aviators from the Air Force that has been occurring in the past decade. Many blame the economy, others the Air Force itself but few are able to accurately predict how or why they are all leaving. The current personnel models do not adequately determine retention rates. Complex adaptive systems theory, however, might provide some insight. By modeling the system at the pilot's level, allowing …
Unmanned Aerial Vehicle Mission Level Simulation, Jennifer G. Walston
Unmanned Aerial Vehicle Mission Level Simulation, Jennifer G. Walston
Theses and Dissertations
We develop an object-oriented simulation that models the surveillance and Active Suppression of Enemy Air Defense (SEAD) missions of the Unmanned Aerial Vehicle (UAV) RQ-1A Predator. The simulation, written in Java using the Silk simulation package, interfaces with a Reactive Tabu Search routing algorithm to provide optimal UAV routes. The routing algorithm is called by the simulation to account for changes in weather conditions and to provide a means of dynamically retasking the UAV. The simulation and analysis support a UAV Battlelab initiative to test the operational effects of proposed changes in Predator performance and UAV capability to perform in …
Temporally Regulated Gene Expression In The Embryonic Rat Thoracic Spinal Cord., Wendy Chrystine Perryman
Temporally Regulated Gene Expression In The Embryonic Rat Thoracic Spinal Cord., Wendy Chrystine Perryman
Theses and Dissertations
Recent experimental approaches to the study of gene expression in the developing spinal cord have demonstrated the presence of neurotransmitters, growth factors and guidance cues that appear either at discrete times early in development or for extended periods of time throughout prenatal development and even into the postnatal period. Based on morphologic observations we have made previously in the developing rat thoracic spinal cord, the present study is designed to identify genes in the embryonic spinal cord that are expressed at very discrete developmental time points late in embryonic development. Our hypothesis is that previously unknown genes expressed at discrete …
Metastatic Potential And Resistance To Oxidative Stress In Nb2 Lymphoma Cell., Hanqian Liang
Metastatic Potential And Resistance To Oxidative Stress In Nb2 Lymphoma Cell., Hanqian Liang
Theses and Dissertations
Malignant cancers typically become more aggressive with time. This process, termed tumor or malignant progression, is associated with phenotypic changes within the tumor, such as loss of dependence upon growth factors or hormones, development of drug resistance, tissue invasiveness and metastatic ability. The observation of differences in levels of glutathione (GSH) and related enzymes, resistance to activation of apoptosis, and induction of transcription factors suggest that (1) oncogenic progression from growth factor dependency to autonomy in the Nb2 lymphoma cell model is associated with adaptive changes in the redox state of the cell and that these changes potentiate or facilitate …
Cultural Influences On Body Image Perception Of Native American Women., Melody Lafriniere
Cultural Influences On Body Image Perception Of Native American Women., Melody Lafriniere
Theses and Dissertations
Although cultural influences are gaining increased recognition in research in many areas, few studies have considered cultural influences on body image perception. Similarly, literature addressing the issues of American Indian women is lacking. Very little research considers the cultural influence on body image perception of American Indian women.This project considers the influences of culture as it relates to an American Indian woman's perception of her body image. Eighty-four American Indian women, enrolled as students at a small Midwestern university participated in this study to determine their body image perception according to Cash's Multidimensional Body-Self Questionnaire, and the influences of their …
In Vivo Depth Estimation Of Features In The Chick Eye By Digital Signal Processing Of Ultrasonic Pulse Echoes, Kevin G. Rada
In Vivo Depth Estimation Of Features In The Chick Eye By Digital Signal Processing Of Ultrasonic Pulse Echoes, Kevin G. Rada
Theses and Dissertations
No abstract provided.
Motivations, Social Influences, And Attitudes Regarding Recyclers And Non-Recyclers : A Symbolic Interactionist Perspective, Melissa Elizabeth Anderson
Motivations, Social Influences, And Attitudes Regarding Recyclers And Non-Recyclers : A Symbolic Interactionist Perspective, Melissa Elizabeth Anderson
Theses and Dissertations
No abstract provided.
Endogenous Yolk Steroids In Five Species Of Turtles : A Comparison Between Sex Determination Mechanisms, Scott V. Gerum
Endogenous Yolk Steroids In Five Species Of Turtles : A Comparison Between Sex Determination Mechanisms, Scott V. Gerum
Theses and Dissertations
No abstract provided.
Effect Of The Partial Substitution Of A Commercial Feed For Corn Meal On Growth Performance Of Chickens, Óscar Amilcar García Portillo
Effect Of The Partial Substitution Of A Commercial Feed For Corn Meal On Growth Performance Of Chickens, Óscar Amilcar García Portillo
Theses and Dissertations
Nutrition is a primary human need. Families often will raise their own animals to meet these nutritional needs. However, high feed costs can severely limit the viability of these small family enterprises. This study addressed ways to improve poultry production as a means for families to ameliorate their diets and increase income. Research was conducted at the Centro Universitario de Oriente (CUNORI), Chiquimula, Guatemala. For this study, commercial poultry feed was supplemented with corn flour at three treatment levels and fed to poultry. Results indicated that partial substitution of commercial feed with corn flour at these three treatment levels did …
American Indian Population With Type 2 Diabetes : Evaluation Of A Foot-Care Program, Bonita F. Conner
American Indian Population With Type 2 Diabetes : Evaluation Of A Foot-Care Program, Bonita F. Conner
Theses and Dissertations
No abstract provided.
Appraisal Of Knowledge And Attitudes About Farm Safety Among Agricultural Producers In South Central North Dakota, Ramona Eisenbarth
Appraisal Of Knowledge And Attitudes About Farm Safety Among Agricultural Producers In South Central North Dakota, Ramona Eisenbarth
Theses and Dissertations
No abstract provided.
Modeling Two-Phase Flow Behavior At Near Vacuum Pressures, Charles Hawkinson
Modeling Two-Phase Flow Behavior At Near Vacuum Pressures, Charles Hawkinson
Theses and Dissertations
No abstract provided.
Whitebark Pine (Pinus Albicaulus) Decline And Restoration In Glacier National Park, Kristopher T. Peterson
Whitebark Pine (Pinus Albicaulus) Decline And Restoration In Glacier National Park, Kristopher T. Peterson
Theses and Dissertations
No abstract provided.
Epicardial Epithelial-Mesenchymal Transformations Support Coronary Vasculogenesis In The Embryonic Quail Heart, Kamilla L. Reed
Epicardial Epithelial-Mesenchymal Transformations Support Coronary Vasculogenesis In The Embryonic Quail Heart, Kamilla L. Reed
Theses and Dissertations
No abstract provided.
The Effects Of Subchronic Dosage Of Ginkgo Biloba On Short Term Memory In A Double-Blind, Placebo Controlled Study On Healthy Volunteers, Patricia L. Moulton
The Effects Of Subchronic Dosage Of Ginkgo Biloba On Short Term Memory In A Double-Blind, Placebo Controlled Study On Healthy Volunteers, Patricia L. Moulton
Theses and Dissertations
No abstract provided.
Sub-Lethal Effects Of Hypoxia/Hypercapnia On Callinectes Sapidus In The York River Estuary, Virginia, Sandra R. Hypes
Sub-Lethal Effects Of Hypoxia/Hypercapnia On Callinectes Sapidus In The York River Estuary, Virginia, Sandra R. Hypes
Theses and Dissertations
This research examined effects of hypoxic environments on blue crabs, Callinectes sapidus in an estuarine environment. Hypoxic conditions were treated as a multiple stressor involving low dissolved oxygen (D.O.), increased carbon dioxide (hypercapnia), and low pH concurrently. The objectives were to: 1) identify hypoxiahypercapnia by monitoring D.O. and pH as an indicator of hypercapnia in shallow regions of the York River, 2) measure blue crab abundance, and 3) describe blue crab responses to hypoxiahypercapnia via field work at Taskinas Creek and lab measurements of respiration. Ambient D.O. and pH were positively correlated in the Taskinas Creek and York River sites …
Pesticide Issues And Public Policy Interaction, Elroy E. Haadem
Pesticide Issues And Public Policy Interaction, Elroy E. Haadem
Theses and Dissertations
No abstract provided.
High Density Lipoprotein-Cholesterol (Hdl-C) As An Indicator Of Cardiovascular Disease : A Meta-Analytic Review, Denae Blue
Theses and Dissertations
No abstract provided.
The Effects Of 16kda Prolactin On Renal Hemodynamics And Fluid And Electrolyte Excretion In The Male Rat, Natalie D. Beiswenger
The Effects Of 16kda Prolactin On Renal Hemodynamics And Fluid And Electrolyte Excretion In The Male Rat, Natalie D. Beiswenger
Theses and Dissertations
No abstract provided.
Machine Vision Routines For Finding Objects Guided By A Pointer, Jade Yang
Machine Vision Routines For Finding Objects Guided By A Pointer, Jade Yang
Theses and Dissertations
No abstract provided.
Women's Leisure As It Relates To Work And Family Life, Brenda Johnson
Women's Leisure As It Relates To Work And Family Life, Brenda Johnson
Theses and Dissertations
No abstract provided.
The Genetic Population Structure Of Rana Sylvatica In Itasca State Park, Minnesota, Tina M. Squire
The Genetic Population Structure Of Rana Sylvatica In Itasca State Park, Minnesota, Tina M. Squire
Theses and Dissertations
No abstract provided.
Charlotte Perkins Gilman's Theories Of Women's Economic Independence In The Short Fiction Of Sarah J. Pritchard, Mary Wilkins Freeman, And Elizabeth Stuart Phelps, Lilly L. Manske
Theses and Dissertations
No abstract provided.
Shakespeare's Masks : The Transformative Performance Of Disguise, Suzanne M. Winkel
Shakespeare's Masks : The Transformative Performance Of Disguise, Suzanne M. Winkel
Theses and Dissertations
No abstract provided.
Detection Of Antibodies Against Brucella Abortus In Bovine, Celso Arturo Moreno Paredes
Detection Of Antibodies Against Brucella Abortus In Bovine, Celso Arturo Moreno Paredes
Theses and Dissertations
The present investigation was made in the Laboratories of microbiology of the Ability of Cattle Sciences of the Polytechnic Superior School of Chimborazo, with samples obtained in the Municipal Camal Riobamba and the Community of Tunshi San Nicolás. The incidence of Brucellosis was analyzed in six more important cattle areas of the county using the antigens Brucella abortus and Rosa of Flare. The experimental units were obtained under a systematic sampling. The experiment had a duration of 4 months. The experimental results underwent the following analyses: variance, percentages, stockings, standard deviation, limit for the estimate error. According to carried out …
Religiosity And Life Satisfaction Among Lds College Students, Po Nien Chou
Religiosity And Life Satisfaction Among Lds College Students, Po Nien Chou
Theses and Dissertations
The purpose of this study was to determine the relationship between religiosity and life satisfaction among Latter-day Saints (LDS) college students. The scales used were the religiosity scale by Chadwick and Top (1993), and the life satisfaction scale by Neugarten, Havighurst and Tobin (1961). The analysis was based on data obtained from 222 students (55.5%) who responded. A prediction model was used to develop a regression equation. Pearson correlation analysis was used to evaluate the correlation between religiosity and life satisfaction. The regression equation is as follows: life satisfaction = 1.436815592 + 0.045915152 (spiritual experiences) + 0.042888274 (integration in congregation). …
General Diagnosis And Services Developed In The Corral De Piedra Village, San Juan Ermita, Chiquimula, Servin Ardany Flores Galdámez
General Diagnosis And Services Developed In The Corral De Piedra Village, San Juan Ermita, Chiquimula, Servin Ardany Flores Galdámez
Theses and Dissertations
The Corral de Piedra community is located in Chiquimula, Guatemala. The main agricultural activities are corn and bean production, small-scale gardens, and small animal production, such as poultry and pigs. The crop areas are predominantly located on lands with slopes between 12 and 55%, presenting low fertility conditions and poor moisture retention capabilities. In addition, local crop varieties have low productivity potentials and the winter season is characterized by poorly distributed and erratic periods of rain. The Benson Institute introduced a technology transfer model to increase and diversify agricultural production, while preserving current natural resources. An integral part of this …
Therapeutical Assessment Of The Spigelia Anthelmia To Fight "Endoparasites" In Creole Ovine, German Gonzalo Reinoso Munoz
Therapeutical Assessment Of The Spigelia Anthelmia To Fight "Endoparasites" In Creole Ovine, German Gonzalo Reinoso Munoz
Theses and Dissertations
This investigation was accomplished in the Experimental Station Tunshi Productive Unit Sheep Goat, located to an altitude of 2747 m.s.n.m. and with an average temperature of 13.1°C, it located to 8 kilometers of Riobamba route to Licto and in the Laboratory of Microbiology of the Cattle Sciences Faculty of the Espoch, during 120 days (November of 1998 to February of 1999). The principal objective was that of to evaluate the effect terapeutics of the plant Spigelia anthelmia against parasitesinternal in lambs, for something which is 20 lambs native males with ages that fluctuated of 6 to 9 months, these animals …
Validation Of The Small Scale Agricultural Production Model In The Community Of Tunshi-San Nicolas, Monica Alexandra Zuniga Donoso
Validation Of The Small Scale Agricultural Production Model In The Community Of Tunshi-San Nicolas, Monica Alexandra Zuniga Donoso
Theses and Dissertations
The model developed in the experimental environment inside the ESPOCH presented satisfactory results. Because of this, it is necessary that the model of production be validated in the farming communities with the purpose of making adjustments before recommending its massive production. In other words, a comparative study should be done on what happened in the experimental farm and what would happen in the community. This is reason why this investigation is titled Validation of the Small-Scale Agricultural Production Model in the Community of Tunshi-San Nicolás. The objectives of the investigation were as follows: Validate the small-scale agricultural production model of …