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 156 for “"irregularity"”.
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Magnetoencephalographic investigations of morphological identity and irregularity
This thesis addresses the longstanding debate in the psycholinguistics literature about the correct way to characterize the psychological status of morphological relatedness and irregular allomorphy. The model argued for here is one in which the mental lexicon consists of lexical roots (sound …
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The Effects of Financial Reporting Irregularity on University Major Choices
I examine whether financial reporting irregularity in the form of financial fraud leads to a decline in the enrollment of accounting programs in U.S. colleges. I find that the percentage of students awarded a bachelor’s degree in accounting decreases after the revelation of financial fraud for …
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An investigation of sound transmission irregularity in a one dimensional enclosure
Thesis: B.S., Massachusetts Institute of Technology, Department of Physics, 1949
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Del Pezzo surfaces with irregularity and intersection numbers on quotients in geometric invariant theory
… on the integer pairs that are possible as the irregularity (that is, the dimension of the first cohomology group of the structure sheaf) and anti-canonical degree of regular del Pezzo surfaces with positive irregularity. In Part II, we consider a connected reductive group acting linearly on a …
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Prevalence of PCOS diagnoses among women with menstrual irregularity in a diverse, multiethnic cohort
… for PCOS with the presentation of menstrual irregularity in a diverse, multiethnic population, based on data collected between August 9th, 2017 and October 24th, 2017 for the pilot of the Ovulation and Menstruation (OM) Study at Boston University School of Medicine. BACKGROUND: Polycystic …
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Dynamical mechanisms of neural firing irregularity and modulation sensitivity with applications to cochlear implants
The degree of irregularity apparent in the discharge patterns of electrically stimulated auditory-nerve fibers depends upon the stimulation rate. Whereas fibers fire regularly at low stimulation rates, the same fibers fire irregularly at high rates. The irregularity observed at high stimulation …
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Punishing the poor again?: irregularity, the 'criminalisation of migration' and precarious labour markets in the UK and Germany
The increasingly punitive nature of immigration control across the Western world and the overrepresentation of foreign nationals in European prisons has revitalised criminological interest in issues of migration. Alessandro De Giorgi (2010: 153) and others contend that restrictive, 'illegalising' …
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Recent court judgements on the meaning of "gross irregularity" in terms of Section 33 of the South African Arbitration Act
… limited grounds of review, in particular ‘gross irregularity’, evaluating the test for review, and assessing the extent to which they have been consistent in their approach to review.
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Estimations of rail irregularities
… is assessed through comparing the estimated irregularity with the actual irregularity. Validation results show that the estimate agree well with the actual irregularity for the Vertical Irregularity. Though the estimation error for the Lateral Irregularity is larger than that for the Vertical …
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Analysis and design of wave scattering by weakly non-uniform waveguides
… wave field behavior with respect to the medium irregularity variation. These phenomena occur due to the interaction of the incident wave field with the medium small irregularities, and open the possibility of designing the system irregularity to achieve a desired vibratory response. This has a …
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Tip-clearance effects in axial compressors
… to develop stall warning systems based on this irregularity, but without understanding its underlying cause. It has been revealed that the increase in irregularity depends on both the tip-clearance size and the eccentricity level in the compressor. When the clearance is small and uniform, …
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Modeling the Impact of Heart Rate Variability on Blood Pressure in Simulated Atrial Fibrillation Using the BioGears Physiology Engine
… studied, the systemic consequences of rhythm irregularity, particularly its impact on blood pressure variability (BPV), remain poorly understood. This study uses the BioGears Physiology Engine, an open-source whole-body simulator, to investigate how RR interval irregularity during AF, …
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Long-Term Changes in the Dental Occlusion of Subjects Treated Orthodontically
… accompanied by a 1.1 mm “relapse” in Incisor Irregularity during the posttreatment period. Arch depth decreased 1.3 mm during the posttreatment interval. Intercanine width was increased (2.2 mm) during treatment, but decreased (1.2 mm) towards the initial dimension after treatment. About half …
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Maxillary Incisor Crown Form and Crowding in Adolescent Orthodontic Patients
… anterior space analysis (TSASD) and Little’s irregularity index, were performed on the dental casts to quantify crowding. In the present study, the average maxillary <em>central</em> incisor of males was an isometrically enlarged version of females. The average maxillary <em>lateral …
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Surfaces Isogenous to a Product: Their Automorphisms and Degenerations
… the group G is abelian. It is shown that, if the irregularity of the surface is larger than 1, the action of G on the second cohomology is mostly faithful. For surfaces with irregularity 0 or 1, examples are given. Then I consider the stable degenerations of surfaces isogenous to a product and …
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The Long-term Stability of Class II Cases Treated in a Private Practice Using a Straightwire Appliance: A Dental Cast Analysis
… relationships, canine relationships, incisor irregularity, arch chord lengths, curve of spee, arch depths and arch widths that occurred at an average of 12 years posttreatment. Overjet increased slightly after treatment, but the mean overjet at recall examination was within acceptable limits. …
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Towards 3-minutes : application of holding and crew interventions to improve service regularity on a high frequency rail transit line
… 3-minute trunk headway, and to issues of service irregularity faced today. Current operating practices are examined through analysis of historical train tracking and passenger fare card data. Headway regularity is explored in the areas of initial headway regularity, stability of line headways, and …
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A New Breast Cancer Image Classifier Using Gaussian Mixture Model Based on Histogram and Enhanced Roughness Index
… the two different factors (intensity and irregularity index) as input into GMM are investigated, to compare and show which factor for GMM is better than the other one. This algorithm based on the intensity and irregularity index was applied on the mammograms. Through extensive experiments, …
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Efficacy of Temporary Fixed Retention Following Comprehensive Orthodontic Treatment
… years after treatment). The mandibular Incisor Irregularity index at recall averaged 1.9 mm in the fixed group and 2.5 mm in the Hawley-only group. This ½-mm difference is marginally significant statistically (P = 0.03), but seems trivially small clinically. A 1.0 mm change in Incisor …
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