نتایج جستجو برای: irregularity in elevation
تعداد نتایج: 16983278 فیلتر نتایج به سال:
Car body acceleration is an important factor affecting track safety and ride comfort, which are two primary aspects of railway systems. Though track level is an important source of wagon body acceleration, no quantitative relation between them is available and the aim of this paper is to propose a method to address this issue. To do so, car body acceleration is determined using a 10 DOF simulat...
Human languages are rule governed, but almost invariably these rules have exceptions in the form of irregularities. Since rules in language are efficient and productive, the persistence of irregularity is an anomaly. How does irregularity linger in the face of internal (endogenous) and external (exogenous) pressures to conform to a rule? Here we address this problem by taking a detailed look at...
بررسی میزان Relapse درمان های ارتودنسی و عوامل مرتبط با آن دکتر احمد شیبانی نیا 1 # مهندس ناصر ولایی 2 دکتر محمد علی صغیری 3 دکتر میترا وثوقی 4 دکتر مهران نوربخش 5 1- استادیار گروه ارتودنسی واحد دندانپزشکی دانشگاه آزاد اسلامی تهران 2- عضو هیئت علمی واحد دندانپزشکی دانشگاه آزاد اسلامی تهران 3- استادیار گروه مواد دندانی واحد دندانپزشکی دانشگاه آزاد اسلامی تهران 4- دندانپزشک 5- است...
Aim: Computerized tomography (CT) examination of temporal bone is a routine procedure in the diseases of the middle ear. The aim of this study is to establish the efficacy of CT in the diagnosis of the complications due to inflammatory pathologies of middle ear. Method: Patients with suspected middle ear pathology were undergone temporal CT examination between August 2006June 2008. 56 patients ...
Crowding whether primary or secondary is one of the main reasons for seeking orthodontic treatment. Incisor irregularity is an easy and excellent indicator of the severity of crowding. Assessment of incisor irregularity on photocopied images can prove to be a good mean as an alternate to the conventional method of assessment on dental casts. In this study a sample of 58 dental casts were select...
OBJECTIVE The aim of this study was to analyse the regularity of the EEG background activity of Alzheimer's disease (AD) patients to test the hypothesis that the irregularity of the AD patients' EEG is lower than that of age-matched controls. METHODS We recorded the EEG from 19 scalp electrodes in 10 AD patients and 8 age-matched controls and estimated the Approximate Entropy (ApEn). ApEn is ...
PURPOSE To examine the relationships between disordered eating, menstrual irregularity, and low bone mineral density (BMD) in young female runners. METHODS Subjects were 91 competitive female distance runners aged 18-26 yr. Disordered eating was measured by the Eating Disorder Inventory (EDI). Menstrual irregularity was defined as oligo/amenorrhea (0-9 menses per year). BMD was measured by du...
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