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Articles 2191 - 2220 of 3698
Full-Text Articles in Entire DC Network
The Effects Of Resveratrol On Oxidative Stress And Muscle Atrophy, Janna Renee Jackson
The Effects Of Resveratrol On Oxidative Stress And Muscle Atrophy, Janna Renee Jackson
Graduate Theses, Dissertations, and Problem Reports (ETD)
Resveratrol (3,5,4,trihydroxystilbene) is a naturally occurring polyphenol found in over seventy plant species that has been shown to have anti-oxidant, anti-apoptotic and anti-aging properties. Resveratrols' capacity to enhance the endogenous anti-oxidant system, upregulate anti-apoptotic proteins and improve mitochondrial function, presumably through the activation of the N AD+ dependent deacetylase Sirtuin1, suggests that supplementation with resveratrol may potentially protect skeletal muscle from the detrimental effects of increases in oxidative stress and the subsequent increase in apoptotic signaling that are present in many atrophic conditions. Therefore, the major goals of this dissertation are to further understand the interplay between oxidative stress and …
Spectral Approaches To Natural Mesh Processing, Takamitsu Kawai
Spectral Approaches To Natural Mesh Processing, Takamitsu Kawai
Graduate Theses, Dissertations, and Problem Reports (ETD)
Mesh design is a major bottleneck in the creation of computer games and animation. Therefore simplifying the process of mesh editing is an important problem. Natural mesh processing is generally difficult to perform since natural meshes often have nontrivial surface shapes and high degrees of freedom. In this study I present novel approaches to natural mesh processing utilizing spectral methods based on the manifold harmonic basis.;Geometric scaling transformations do not respect the biological processes which govern the size and shape of living creatures. I describe an approach to scaling which can be related to biological function. Known biological laws of …
High Rank Tensor And Spherical Harmonic Models For Diffusion Mri Processing, Inas A. Yassine
High Rank Tensor And Spherical Harmonic Models For Diffusion Mri Processing, Inas A. Yassine
Graduate Theses, Dissertations, and Problem Reports (ETD)
Diffusion tensor imaging (DTI) is a non-invasive quantitative method of characterizing tissue micro-structure. Diffusion imaging attempts to characterize the manner by which the water molecules within a particular location move within a given amount of time. Measurement of the diffusion tensor (D) within a voxel allows a macroscopic voxel-averaged description of fiber structure, orientation and fully quantitative evaluation of the microstructural features of healthy and diseased tissue.;The rank two tensor model is incapable of resolving multiple fiber orientations within an individual voxel. This shortcoming of single tensor model stems from the fact that the tensor possesses only a single orientational …
Pathophysiology And Clinical Implications Of Lower Respiratory Tract Infection (Lrti) With Respiratory Enteric Orphan Virus (Reovirus): Background And Experimental Evidence, Maret E. Bernard
Graduate Theses, Dissertations, and Problem Reports (ETD)
Background. Respiratory viral infection early in life is a predominant factor in the inception of episodic wheezing and development of asthma amongst young children [1] and a serious health challenge. Previous studies of lower respiratory tract infections (LRTI) with respiratory syncytial virus (RSV) in animal models have indicated that early life viral exposure results in dysregulated neuroimmune interactions and altered synthesis/release of pro-inflammatory neuropeptides generating increased airway reactivity and neurogenic-inflammation. Similar to RSV, respiratory enteric orphan virus (Reovirus) is a common respiratory pathogen associated with pulmonary infections in children. Also, reovirus pulmonary infection has been shown to induce increased collagen …
Dynamic Src Tyrosine Kinase Signaling Directs Invadopodia Formation And Function In Head And Neck Cancer: Novel Insights Into The Original Oncogene, Laura Catherine Kelley
Dynamic Src Tyrosine Kinase Signaling Directs Invadopodia Formation And Function In Head And Neck Cancer: Novel Insights Into The Original Oncogene, Laura Catherine Kelley
Graduate Theses, Dissertations, and Problem Reports (ETD)
Cancer cell invasion and motility is mediated through actin-rich protrusions that facilitate migration through extracellular matrix and degradation of tissue barriers. Src tyrosine kinase is an essential catalyst of motile actin networks and is a potent mediator of the metastatic program. The Src substrate cortactin is a critical scaffold that links kinase signaling to cytoskeletal dynamics. Both Src and cortactin are overexpressed in several human cancers and their expression is associated with poor prognosis. These proteins are not associated with the initiation of tumorigenesis, but are thought to play a vital role in the metastatic process. The overall aim of …
Determination Of Equilibrium Binding Constants For Lps Interaction With Tlr4, Santhoshi P. Dixit
Determination Of Equilibrium Binding Constants For Lps Interaction With Tlr4, Santhoshi P. Dixit
Graduate Theses, Dissertations, and Problem Reports (ETD)
Toll-like receptors (TLRs) are the best characterized Pathogen Recognition Receptors (PRRs) and are directly responsible for initiating an appropriate defense against bacterial and viral infection. Among all the TLRs known, only TLR4 is able to activate both MyD88-dependent induction of genes encoding inflammatory molecules and TRIF-dependent production of type I interferon. Therefore, in this study we report the binding of TLR4 by Lipopolysaccharide (LPS) which is the component on the cell-wall of gram-negative bacteria. Binding of LPS is a prerequisite for the activation of Toll-like receptor 4 (TLR4) by LPS which increases the expression of critical proinflammatory cytokines that organize …
Correlation Between Flexural Strength And Denture Base Acrylic Thickness Overlaying Implant Stud Attachments, Khaled N. Alawadhi
Correlation Between Flexural Strength And Denture Base Acrylic Thickness Overlaying Implant Stud Attachments, Khaled N. Alawadhi
Graduate Theses, Dissertations, and Problem Reports (ETD)
Objectives. To investigate the effect of acrylic resin thickness and the stud attachment housings on the maximum breaking load, flexural strength and flexural modulus of denture base acrylic resins overlying implant overdenture attachments.;Methods. Fifty-two rectangular specimens were fabricated from high impact denture acrylic resin (Lucitone 199). Forty specimens contain 2.00 mm height Locator attachment titanium denture caps with black processing males, 12 specimens did not include the denture cap. All specimens were fabricated according to ANSI/ADA SPECIFICATION NO. 12-2002 for testing denture base resin with constant measurements of 64 mm in length, 10 mm in width, and variable testing thickness. …
Hydroclimate Reconstructions Of The Potomac River Basin Using Tree Rings, Richard Stockton Maxwell
Hydroclimate Reconstructions Of The Potomac River Basin Using Tree Rings, Richard Stockton Maxwell
Graduate Theses, Dissertations, and Problem Reports (ETD)
The following dissertation is composed of three separate manuscripts with the overall theme of hydroclimate reconstructions of the Potomac River Basin. The first manuscript investigated two methods of crossdating eastern redcedar (Juniperus virginiana L.) and examined the dendroclimatic response of earlywood, latewood, and total ring-width. In the second manuscript, May precipitation for West Virginia Climate Region 6 was reconstructed using two millennial-length eastern redcedar chronologies from 750-1998. Comparisons were made to other paleoclimate proxy records of moisture in the Mid-Atlantic Region. The final manuscript focused on a multi-species reconstruction of Potomac River streamflow from 950-2001. In this manuscript, species importance …
Seasonal Trends In Separability Of Leaf Reflectance Spectra For Ailanthus Altissima And Four Other Tree Species, Aaron Burkholder
Seasonal Trends In Separability Of Leaf Reflectance Spectra For Ailanthus Altissima And Four Other Tree Species, Aaron Burkholder
Graduate Theses, Dissertations, and Problem Reports (ETD)
This project investigated the spectral separability of the invasive species Ailanthus altissima, commonly called tree of heaven, and four other native species. Leaves were collected from Ailanthus and four native tree species from May 13 through August 24, 2008, and spectral reflectance factor measurements were gathered for each tree using an ASD (Boulder, Colorado) FieldSpec Pro full-range spectroradiometer. The original data covered the range from 350-2500 nm, with one reflectance measurement collected per one nm wavelength. To reduce dimensionality, the measurements were resampled to the actual resolution of the spectrometer's sensors, and regions of atmospheric absorption were removed. Continuum removal …
Jimmy Choos Vs. Ariats: The Presentation Of Masculinity In The Online Sex Ads Of Men Who Have Sex With Men, Adam Thomas Babich
Jimmy Choos Vs. Ariats: The Presentation Of Masculinity In The Online Sex Ads Of Men Who Have Sex With Men, Adam Thomas Babich
Graduate Theses, Dissertations, and Problem Reports (ETD)
The concept of masculinity should be understood in terms of its fluidity. One cannot say that there is a specific "white" masculinity or a specific "straight" masculinity; rather, masculinity is constantly changing. The inherent problem of defining masculinity has not deterred researches but has fueled a large and growing body of literature dedicated to studying masculinity's dynamic process of change. For a long time, gay men have been regarded as a group who is incapable of possessing masculinity; indeed according to hegemonic masculinity, gay men must be excluded. However, research has shown that gay men are rejecting this notion and …
Improving The Academic Self-Efficacy Of Middle School Girls Toward The Study Of Mathematics Through The Use Of Theatrical Infusion, Aimee L. Richards
Improving The Academic Self-Efficacy Of Middle School Girls Toward The Study Of Mathematics Through The Use Of Theatrical Infusion, Aimee L. Richards
Graduate Theses, Dissertations, and Problem Reports (ETD)
The purpose of this study was to determine the impact of theatrical infusion on the academic self-efficacy toward the study of mathematics in middle school girls. A group of middle school girls participated in a program entitled Starring...Math. This five session program presented mathematical concepts through the use of theatrical infusion. The group of participants was composed of twenty-one girls in sixth, seventh and eighth grades.;Part I: Everyday Math Tasks of the Mathematics Self-Efficacy Scale (Betz & Hackett, 1989) was administered at three occasions: (1) prior to the start of the program, (2) at the end of the program and, …
The Influence Of Nursing Curriculum In Associate Degree Nursing Programs On The Development Of Nursing Professionalism In Graduating Nursing Students, Cristina M. Riter
The Influence Of Nursing Curriculum In Associate Degree Nursing Programs On The Development Of Nursing Professionalism In Graduating Nursing Students, Cristina M. Riter
Graduate Theses, Dissertations, and Problem Reports (ETD)
Nursing professionalism is assumed to develop during the educational process, with the model of the baccalaureate degree program. There have been few studies on the development of professionalism in beginning nursing students, especially those in a two-year associate degree nursing program. This research study explored the concept of professional development in reaction to the increased number of associate degree registered nurses in this country since the inception of the associate degree nursing programs in the 1950s. The impact of the registered nursing shortage on the nursing profession and the educational preparedness of future registered nurses was also explored. The research …
Real-Time Implementation Of A Sensor Validation Scheme For A Heavy-Duty Diesel Engine, Manoharan Thiagarajan
Real-Time Implementation Of A Sensor Validation Scheme For A Heavy-Duty Diesel Engine, Manoharan Thiagarajan
Graduate Theses, Dissertations, and Problem Reports (ETD)
With ultra-low exhaust emissions standards, heavy-duty diesel engines (HDDEs) are dependent upon a myriad of sensors to optimize power output and exhaust emissions. Apart from acquiring and processing sensor signals, engine control modules should also have capabilities to report and compensate for sensors that have failed. The global objective of this research was to develop strategies to enable HDDEs to maintain nominal in-use performance during periods of sensor failures. Specifically, the work explored the creation of a sensor validation scheme to detect, isolate, and accommodate sensor failures in HDDEs. The scheme not only offers onboard diagnostic (OBD) capabilities, but also …
The Effects On The Antimicrobial Properties Of Hoshino's Triple Antibiotic Paste When Chlorhexidine Gluconate (0.12%) Is Substituted For The Propylene Glycol And Macrogol Ointment Mixture, Spencer R. Stiles
Graduate Theses, Dissertations, and Problem Reports (ETD)
The purpose of this in vitro agar-diffusion study was to evaluate the effect on the antimicrobial efficacy of Hoshino's triple antibiotic paste when 0.12% chlorhexidine gluconate is substituted for the traditional propylene glycol and macrogol ointment carrier solution. Ciprofloxacin (200 mg), metronidazole (500 mg), and minocycline (100 mg), were mixed with either chlorhexidine or a 1:1 combination of propylene glycol and macrogol ointment. Seven microorganisms, including: E. coli, P. aeruginosa, S. aureus, E. faecalis, S. sanguis, F. nucleatum, and C. albicans, were incubated and plated onto triplicate blood agar plates. Two blank paper discs were positioned onto each agar plate, …
Justifying Phytogenic Feed Additive Matrix Values In Conjunction With Exogenous Feed Enzymes, Laurel K. Shires
Justifying Phytogenic Feed Additive Matrix Values In Conjunction With Exogenous Feed Enzymes, Laurel K. Shires
Graduate Theses, Dissertations, and Problem Reports (ETD)
Phytogenic feed additives are purported to possess antimicrobial properties as well as nutrient sparing characteristics that may aid in alleviating high diet costs; however, in order for PFAs to assist nutritionists in decreasing diet cost, matrix values must be determined and implemented in feed formulation. Study 1 evaluated proposed matrix values for a commercially available PFA and assessed nutrient sparing when the product was combined with commercial phytase, carbohydrase and protease. The most remarkable proposed matrix values were 32.2 kcal/kg for metabolizable energy and 0.07% for both Ca and AP. The objective of Study 2 was to determine true amino …
Effect Of Conjugated Linoleic Acid On The Regulation Of Feed Intake And Body Fat In The Short Term, Valerie J. Shelton
Effect Of Conjugated Linoleic Acid On The Regulation Of Feed Intake And Body Fat In The Short Term, Valerie J. Shelton
Graduate Theses, Dissertations, and Problem Reports (ETD)
Conjugated linoleic acid (CLA) is known to decrease feed intake and body fat in mice. Our objectives were to determine the incorporation of CLA into tissues and the effect on serum hormones and arcuate neuropeptides during the first 7 d of CLA consumption. Mice (n=150; 9-wk-old) were fed 0 (ad libitum or pair-fed to CLA-fed mice) or 2% CLA (ad libitum) for 1, 2, 3, 5, or 7 d. A body fat index was calculated; liver, adipose tissue, and brain were analyzed for fatty acid profiles; and serum insulin, leptin, and PYY were measured. CLA and pair-fed mice ate less …
Calcium/Magnesium Ratio And Water Potential Effects On Forage Quality And Pectin Concentration, Rishi Prasad
Calcium/Magnesium Ratio And Water Potential Effects On Forage Quality And Pectin Concentration, Rishi Prasad
Graduate Theses, Dissertations, and Problem Reports (ETD)
Forage quality is an important parameter in animal nutrition and depends partly on soil fertility and moisture. Acidic soil pH and low soil moisture are known to decrease forage yield and quality. Liming is a common practice to correct the soil pH. Addition of lime not only improves the availability of nutrients but at the same time adds to the native calcium and magnesium present in the soil. Calcium and magnesium are identified as essential secondary macronutrients known to influence plant's physiological process. The objective of this experiment was to determine the effect of molar combinations of Ca:Mg ratio in …
Switchgrass Establishment And Growth For Biofuels And Carbon Sequestration On Reclaimed Mine Lands In Appalachia, Travis L. Keene
Switchgrass Establishment And Growth For Biofuels And Carbon Sequestration On Reclaimed Mine Lands In Appalachia, Travis L. Keene
Graduate Theses, Dissertations, and Problem Reports (ETD)
Climate change mitigation and the high cost of transportation fuels have created an interest in utilizing biofuels to supplement the nation's energy portfolio. Switchgrass (Panicum virgatum) has been suggested as a possible biofuel feedstock because of its ability to produce large amounts of biomass over a wide range of growing conditions and its ability to sequester atmospheric carbon (C) into stable soil organic carbon. Appalachia has the potential to become a center of biofuel production with its large expanses of reclaimed mine land. Switchgrass production on surface mine land offers the opportunity to increase the land resources devoted to energy …
The Effect Of Cannula Design Upon Apically Extruded Sodium Hypochlorite During Endodontic Therapy, Gavin L. Criser
The Effect Of Cannula Design Upon Apically Extruded Sodium Hypochlorite During Endodontic Therapy, Gavin L. Criser
Graduate Theses, Dissertations, and Problem Reports (ETD)
This in vitro study investigates the effect of cannula design on the amount of apically extruded sodium hypochlorite during non surgical root canal therapy. Ten human, extracted, single canal teeth were decoronated and instrumented and randomly assigned to two different treatment groups BO (blown out apices) and NBO (non-blown out apices). Three different cannula designs (Max-i-Probe, Pro-Rinse, Monoject) were compared in respect to the amount of extruded root canal irrigant yielded beyond the root apex. The results of this study support the conclusion that safe ended, side vented cannula design reduces the possibility of extruding sodium hypochlorite beyond the root …
A Comparison Of Parent-Child Interaction Therapy And Treatment As Usual With Families With A History Of Child Abuse And Neglect And Intimate Partner Violence, Kimberly P. Foley
A Comparison Of Parent-Child Interaction Therapy And Treatment As Usual With Families With A History Of Child Abuse And Neglect And Intimate Partner Violence, Kimberly P. Foley
Graduate Theses, Dissertations, and Problem Reports (ETD)
Child abuse and neglect (CAN) and intimate partner violence (IPV) are serious public health issues that need to be addressed. In 2005, a reported 899,000 children throughout the United States, the District of Columbia, and Puerto Rico were the victims of either abuse or neglect resulting in the death of 1,460 children under 18-years-of-age (US Department of Health and Human Services, 2005). In the United States each year, adult women are subjected to over 5 million IPV incidences and which result in the death of approximately 1,300 women (APA, 2005). A meta-analysis of 31 studies conducted by Appel and Holden …
The Effects Of Riparian Tree Harvest Intensity And Woody Debris Addition On Biotic And Abiotic Stream Characteristics, Jered Michael Studinski
The Effects Of Riparian Tree Harvest Intensity And Woody Debris Addition On Biotic And Abiotic Stream Characteristics, Jered Michael Studinski
Graduate Theses, Dissertations, and Problem Reports (ETD)
Forested headwater streams rely on riparian zones for many critical products and services. Riparian areas shade streams, stabilize stream banks, filter sediment, and provide allochthonous materials like leaves, large woody debris (LWD), and terrestrial invertebrates (TI's). Logging can affect the products and services of riparian zones. Best management practices (BMP's) have been developed to minimize the impacts of riparian timber harvest on streams. The main component of these guidelines is the establishment of a road-free riparian buffer called a streamside management zone (SMZ). The West Virginia Division of Forestry's BMP's require a SMZ that is at least 30 m wide …
Roosting Ecology Of Bats In A Disturbed Landscape, Joshua B. Johnson
Roosting Ecology Of Bats In A Disturbed Landscape, Joshua B. Johnson
Graduate Theses, Dissertations, and Problem Reports (ETD)
In 2007 and 2008, I examined roost selection of forest-interior dwelling northern myotis (Myotis septentrionalis) maternity colonies in stands treated with prescribed fire (hereafter, fire) and in unburned (hereafter, control) stands on the Fernow Experimental Forest, West Virginia. Using radio telemetry, I tracked 36 female northern myotis to 69 roost trees; 25 in the fire treatment and 44 in the control treatment. Using logistic regression and an information-theoretic model selection approach, I determined that within the fire treatment, northern myotis maternity colonies were more likely to use cavity trees that were smaller in diameter, higher in crown class, and located …
Reovirus As A Probe To Study Induction Of Anti-Viral Immunity And Modulation Of Peanut Allergy, Ronald J. Fecek Jr.
Reovirus As A Probe To Study Induction Of Anti-Viral Immunity And Modulation Of Peanut Allergy, Ronald J. Fecek Jr.
Graduate Theses, Dissertations, and Problem Reports (ETD)
Infectious diarrheal diseases are a major burden to human health worldwide. A proportion of those diarrheal diseases are caused by enteric viruses that gain access through the gastrointestinal tract. Consequently, the human gastrointestinal mucosa represents an important route of entry for enteric viruses. Enteric viruses are taken up by gastrointestinal mucosal dendritic cells (DCs) that induce and shape adaptive immunity, however, activation of mucosal DCs by enteric viruses is poorly understood. The research presented in this dissertation is focused on deciphering the requirements for activation of murine DCs in response to an enteric virus as well as the subsequent generation …
Peptide Based Molecular Recognition Elements For Binding 2,4,6-Trinitrotoluene, Avram Siegel
Peptide Based Molecular Recognition Elements For Binding 2,4,6-Trinitrotoluene, Avram Siegel
Graduate Theses, Dissertations, and Problem Reports (ETD)
Three peptides labeled AS2, AS3 and AS6 were designed to evaluate the role of secondary structure in a peptide's ability to selectively bind 2,4,6 trinitrotoluene (TNT). The peptides were produced using recombinant DNA methods through E. coli expression. It was hypothesized that AS6 would form a random coil, AS2 would form an alpha-helix and AS3 would form a beta-sheet. The secondary structures of the peptides were determined using circular dichroism spectroscopy and the binding of the peptides to TNT was studied using an enzyme linked immunosorbent assay. After expression, the presence of the peptide in the final purified product was …
Effects Of Face Velocity, Cross-Draft Velocity And Interventions On The Performance Of A Benchtop Enclosing Hood, Xinjian He
Graduate Theses, Dissertations, and Problem Reports (ETD)
In industry, benchtop enclosing hoods are critical in protecting workers from airborne contaminants, but there is little research published about industrial enclosing hoods. Almost all hood research has been done on laboratory fume hoods.;A tracer gas method was used to study the performance of a single benchtop enclosing hood tested inside a 9 ft high, 12 ft wide and 40 ft long wind tunnel. Freon-134a concentrations were measured on an anthropometrically scaled, heated, breathing manikin holding a source between its hands while standing at the enclosing hood's face. Samples were taken at the nose (Cnose), mouth (Cmouth), inlet of the …
Mitochondrial Dysfunction In The Diabetic Heart: Cardioprotection From A Novel Mitochondrially-Targeted Therapeutic, Erinne Rose Dabkowski
Mitochondrial Dysfunction In The Diabetic Heart: Cardioprotection From A Novel Mitochondrially-Targeted Therapeutic, Erinne Rose Dabkowski
Graduate Theses, Dissertations, and Problem Reports (ETD)
Cardiovascular complications leading to heart failure are the leading cause of death amongst both type 1 and type 2 diabetic patients. Increased reactive oxygen species (ROS) generation due to hyperglycemia and an enhanced fatty acid environment has been suggested to lead to mitochondrial dysfunction. Mitochondria are particularly susceptible to oxidative damage because the inner mitochondrial membrane (IMM) is the main site of ROS generation. Mitochondrial dysfunction is complicated by the fact that two spatially-distinct subpopulations of mitochondria reside in the heart. The subsarcolemmal mitochondria (SSM) are located at the cell periphery, while the interfibrillar mitochondria (IFM) situate along the myofibrils. …
Leaching Of Chalcopyrite With Sodium Hypochlorite, Ravinder Kumar Garlapalli
Leaching Of Chalcopyrite With Sodium Hypochlorite, Ravinder Kumar Garlapalli
Graduate Theses, Dissertations, and Problem Reports (ETD)
Chalcopyrite is the most important copper mineral source and also a refractory mineral for leaching. Several processing routes have been proposed to overcome the environmental problems related to copper extraction from chalcopyrite. In this study, the leaching of chalcopyrite has been investigated with a new reagent sodium hypochlorite (NaOCl). Experiments were carried out in two stages: conversion of chalcopyrite to cupric oxide with NaOCl solution in the first stage, followed by dissolution of the cupric oxide to cupric ion with 1 normal sulfuric acid at room temperature in the second stage. In the first stage leaching, the initial pH varied …
Validation Of Top-Down, Intelligent Reservoir Modeling Using Numerical Reservoir Simulation, Yorgi Gomez
Validation Of Top-Down, Intelligent Reservoir Modeling Using Numerical Reservoir Simulation, Yorgi Gomez
Graduate Theses, Dissertations, and Problem Reports (ETD)
The technique, that is named Top-Down Intelligent Reservoir Modeling, (not to be confused with BP's TDRM history matching technique), integrates traditional reservoir engineering analysis with Artificial Intelligence & Data Mining (AI&DM) technology to generate a full field model. The distinguishing feature of this novel technique is its incredibly low data requirement in order to perform analysis which leads to savings of time and research resources to obtain accurate predictions. It only requires field production rate and some well log data as porosity, thickness, and initial water saturation to start the analysis and provide complete development strategies of the field. Although …
The Design Of An Evolutionary Algorithm For Artificial Immune System Based Failure Detector Generation And Optimization, Jennifer N. Davis
The Design Of An Evolutionary Algorithm For Artificial Immune System Based Failure Detector Generation And Optimization, Jennifer N. Davis
Graduate Theses, Dissertations, and Problem Reports (ETD)
The development of an evolutionary algorithm and accompanying software for the generation and optimization of artificial immune system-based failure detectors is presented in this thesis. These detectors use the Artificial Immune System-based negative selection strategy. The utility is a part of an integrated set of methodologies for the detection, identification, and evaluation of a wide variety of aircraft sub-system abnormal conditions. The evolutionary algorithm and accompanying software discussed in this document is concerned with the creation, optimization, and testing of failure detectors based on the negative selection strategy. A preliminary phase consists of processing data from flight tests for "self" …
Changes In Throwing Pattern And Perceptual Judgment As The Function Of Task Variations For Young Children, Yoojin Choi
Changes In Throwing Pattern And Perceptual Judgment As The Function Of Task Variations For Young Children, Yoojin Choi
Graduate Theses, Dissertations, and Problem Reports (ETD)
Ecological Task Analysis (ETA; Davis & Burton, 1991) hypothesizes that movement change may emerge from dynamic interaction in given environmental conditions. In other words, task variability provides opportunities for the performer to choose skills suitable to his or her capabilities in order to achieve a task goal.;The purpose of the present study is to examine 4 year-old children's changes in throwing patterns and perceptual judgment as a function of task variation in specific throwing tasks. Each experiment identifies various task parameters (e.g., force, trajectory of throws) and attempts to adjust them to meet a task goal.;The modifications of tasks include …