نتایج جستجو برای: rotation
تعداد نتایج: 72251 فیلتر نتایج به سال:
conclusions the dominant side scapula of asymptomatic racquet players showed increased external rotation and elevation as compared to the non-dominant side. also, reduced shoulder internal rotation, extension and adduction and gain in shoulder external rotation was observed on the dominant side of racquet players when compared to the control group. materials and methods 46 asymptomatic professi...
in this paper, the combined effect of suspended (fine dust) particles and rotation on the onset of thermosolutal convection in an elastico-viscous fluid in a porous medium is studied. for the porous medium, the brinkman model is employed and rivlin-ericksen model is used to characterize viscoelastic fluid. by applying normal mode analysis method, the dispersion relation has been derived and sol...
in this paper, we have considered the problem of rotating, magnetohydrodynamic heat and mass transfer by free convective flow past an exponentially accelerated isothermal vertical plate in the presence of variable mass diffusion. while the temperature of the plate is constant, the concentration at the plate is considered to be a linear function with respect to time t. the plate is assumed to be...
background: the aim of the present study was to evaluate how left ventricular twist and torsion are associated with sex between sex groups of the same age. materials and methods : twenty one healthy subjects were scanned in left ventricle basal and apical short axis views to run the block matching algorithm; instantaneous changes in the base and apex rotation angels were estimated by this algor...
background : biomechanical factors are known to be important in knee osteoarthritis (oa) development and progression. this study was designed to determine changes of hamstrings muscle activation, knee adduction moment and ankle rotation angle in two knee osteoarthritis (mild and moderate) and a healthy control group. methods: 16 females (10 with mild and 6 with moderate medial knee osteoarthr...
Background: The severe individual rotation is a kind of malposition of tooth that interferes with smile esthetics and may cause occlusal interferences. Case Presentation: A 13-year-old girl with 90° rotation of the right central maxillary incisor and lack of space was referred to Faculty of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran. Firstly, a spring-designed applian...
Accurate object detection has been studied thoroughly over the years. Although these techniques have become very precise, they lack the capability to cope with a rotated appearance of the object. In this paper we tackle this problem in a two step approach. First we train a specific model for each orientation we want to cover. Next to that we propose the use of a rotation map that contains the p...
Both samples were then dialyzed versus demineralized water in the cold and aliquots withdrawn at intervals for viscosity and other measurements. After three hours, the viscosity of the control started to rise sharply, the value of [v ] reaching 24 in 24 hr. In contrast to this, the enzyme-treated sample showed no significant changes in either viscosity or rotation during the period of the dialy...
A short stereospecific synthesis of the carbocyclic 2 -deoxynucleoside analogues 36 and 37 (Schemes 2 and 5) and 45 and 46 (Schemes 2 and 6) starting from optically active 8,9,10-trinorborn-5-en-2-one (1) is described. As two functional groups capable to react with each other are present in the same molecule of the synthetic carbanucleosides, the latter can form polymers similar to oligonucleot...
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