Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 30 for “"occurrence rate"”.
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Effect of Interplanetary Shock Impact Angle on the Occurrence Rate and Properties of Pc5 Waves Observed by High-Latitude Ground Magnetometers
… if any, the shock impact angle had on Pc5 wave occurrence rates. From our research, it was determined that the impact angle of the interplanetary shock had a significant impact on the occurrence rate and properties of Pc5 waves observed by high-latitude ground magnetometers.
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Identification and Classification of Stratospheric Sudden Warming Events
… this 33 year period, resulting in an average occurrence rate of 1.24 events/year. No significant variation in the rate is observed during the period analyzed. The average temperature increase during an SSW event is 12 K and the average duration is 32 days. Each identified event is classified …
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Metabolic Reprogramming in Response to Mitochondrial Electron Transport Chain Dysfunction
… genetic disorders of energy production with an occurrence rate of approximately 1:4300 and no effective treatment options. Here we show in vitro models of mitochondrial ETC dysfunction display shunting of major carbon sources (glucose and glutamine) from the TCA cycle. Additionally, SLC7A11 (a …
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A study of interhemispheric magnetic conjugacy and large scale magnetosphere-ionosphere coupling using SuperDARN radars
… to analyze the average spatial variations in the occurrence rate and velocities of the SAPS channel under different geomagnetic conditions. An empirical model based on Dst-index is then developed to estimate the occurrence rate of SAPS at a given latitude and magnetic local time.
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Validation and Evaluation of Cortical and Full Skull Thickness Changes with Age and Sex
… department visits despite the lower injury occurrence rate of 5%. Furthermore the TBIs from MVCs resulted in the largest number of TBI-related deaths (31.8%). Although studies have been conducted analyzing TBI from blunt loading conditions, more information is needed to understand the …
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STRUCTURAL RELIABILITY ANALYSIS BASED ON MAXIMUM ENTROPY DISTRIBUTION WITH FRACTIONAL MOMENTS
… prediction to account for the rare events occurrence rate. To predict the low probability of failure of offshore drilling riser system accurately and efficiently is crucial but challenging. An improved univariate density estimation method based on maximum entropy theory is proposed in this …
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A Novel Method to Detect Functional Subgraphs in Biomolecular Networks
… identifying important network motifs and their rate of occurrence in two different biomolecular networks. The two networks evaluated for this study represented both ends of the spectrum of interaction knowledge by comparing a well defined network (apoptosis) with and poorly studied network that …
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An Analysis of The Handwriting of Elderly Chinese Subjects.
… previous studies in China that have been concentrated on this field. Hence, the study on elderly Chinese subjects' handwriting has an extremely broad potential value for its application for academic usage and practical meaning. This study uses an empirical technique, gathering first hand data and …
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A modulated renewal Hawkes process and its application to modelling extreme mid-price drops on cryptocurrencies
… where there are systematic trends in event occurrence rate. Therefore, in this thesis, we propose a renewal Hawkes process in which a trend function is employed to account for the systematic patterns in the event occurrence rate. We term the process the modulated renewal Hawkes process. Due …
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Co-diagnosis Frequency of Peripheral Vestibular Disorders and Physical Therapy
… the medical management for both conditions. The occurrence rate of concurrent BPPV and VH in the same patient has not been described in the literature. Identifying patients with co-diagnosis of BPPV and VH will allow the PT to construct a proper treatment sequence. We conducted a retrospective …
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Tissue-specific classification of alternatively spliced human exons
… using overrepresentation analysis and conserved occurrence rate between human and mouse.
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A method for analysing the traffic process in a safety perspective
… in the severity hierarchy above which a high occurrence rate of interactions is a sign of unsafety and beneath which a high occurrence rate of interactions is a sign of safety. It is, however, to be noted that a location with a high interaction frequency at low severity levels seems to produce …
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Asteroseismic Study of the Subgiant HD 82074
… understanding the relationships between planet occurrence rate and stellar properties such as age, metallicity and mass. Potential systematic uncertainties in the canonical stellar models make it especially important to independently determine the masses and radii of these stars. We determine HD …
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FUNCTIONAL HAMSTRING: QUADRICEPS RATIO AND HAMSTRING INJURY INCIDENCE IN TRACK AND FIELD ATHLETES
… ratio deficit at pretest will have a higher occurrence rate of hamstring injury during the study than those without a deficit. A sample size of fifteen (8 females and 7 males; 18 years +) volunteered. No athlete had a recent history (within 12 weeks) of lower extremity injury. The PrimusRS …
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Cross-Seeding Potential of Misfolded Amyloid-Beta Strains On Tau Protein: Examining The Puzzle Pieces of Alzheimer'S Disease
… expected rise in human lifespan worldwide, the occurrence rate of AD diagnosis is projected to increase. This observation is increasingly alarming when considering there is no treatment for reversal or prevention of AD yet.</p> <p>AD is characterized by gross pathological hallmarks in the brain. …
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K-Star rapid rotators and the detection of relatively young multiple K-Star systems
… young binary and triple K-star systems. The ~ 2% occurrence rate of rapid rotation among the 14,440 K star targets is consistent with spin evolution models that presume an initial contraction phase followed by spin down due to magnetic braking where typical K stars would be expected to spend up to …
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Insertionally polymorphic human endogenous retroviruses and their potential role in cancer
… novel, whereas 10 display significance in occurrence rate when comparing the cancer data to general population. A number of biochemical pathways suspected to be altered by the detected insertions were found. Nevertheless, the low frequency of occurrence for novel HERV-K(HML2) insertions …
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The quantification of dorsal hand features of interest to assist forensic human identification
… The aim of this project is to determine the occurrence rate of the anatomical features seen on the dorsal surface of the hand, in an effort to assist future forensic investigations that require comparison of images between the suspect and the offender in order to exclude or include them for …
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Feature Selection for High-risk Pattern Discovery in Medical Data
Along with the constant improvement in the utilization of electronic information systems in the healthcare industry, substantial amounts of electronic medical data have been accumulated. Mining such data could provide useful knowledge for health care provider to improve the quality of the service …
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An analysis of patterns and trends of road traffic injuries and fatalities in Vhembe District, Limpopo Province, South Africa
… in the road traffic injuries and fatalities occurrence rate within the last five years in Vhembe District since the commencement of World Health Organisation; Decade of Action for Road Safety 2011-2020. It was found out that most of the accidents occurred as a result of changes in human …
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