نتایج جستجو برای: motor selsyn
تعداد نتایج: 159422 فیلتر نتایج به سال:
Introduction: Physical-motor injury is a type of injury that limits one or more of the basic activities of a person's life and prevents the physical and mental development of an individual. Therefore, men with this type of disability will face certain challenges and problems during their lifetime. One of the most important challenges is marriage and the choice of the spouse to support the emoti...
A dual stator winding squirrel-cage induction motor (DSWIM) is a brushless single-frame induction motor that contains a stator with two isolated three-phase windings wound with dissimilar numbers of poles. Each stator winding is fed by an independent three-phase inverter. The appropriate efficiency of this motor is obtained when the ratio of two frequencies feeding the machine is equal to the r...
Background: Motor function impairment occurs in approximately two-thirds of patients with subcortical stroke. Repetitive transcranial magnetic stimulation (rTMS) is a noninvasive technique for modulating cortical excitability. Objectives: The present study was designed for assessing the efficacy of high-frequency rTMS (5 Hz) on ipsilesional primary motor cortex in patients with subcortical stro...
Permanent magnet synchronous motors (PMSMs) are used in many applications including the control systems due to their high efficiency, high power density, good dynamic behavior, high precision and excellent controllability. One of the PMSM problems is the cogging torque which is made by interaction between PMs and stator teeth. This leads to some noise and vibration of the motor that in control ...
Objective(s):Neurotoxicity of anticancer drugs complicates treatment of cancer patients. Vinblastine (VBL) is reported to induce motor and cognitive impairments in patients receiving chronic low-dose regimen. Materials and Methods: The effects of VBL treatment on motor, learning and memory functions of male and female Wistar rats were studied by behavioral related tests. Animals were given chro...
Objective: speech sound disorders are among the most common speech disorders in children. Non-speech oral motor exercises have long been used as a facilitative activity throughout therapy sessions for a wide variety of speech disorders by speech-language pathologists. But there are few empirical controlled data to evaluate its effectiveness. This study aimed at comparing the effects of therapeu...
Background. Previous surveys have shown that motor deficits precede the classical motor symptoms seen in Parkinson’s disease (PD) and that physical exercise may have beneficial effects on PD. Objectives. Here, we evaluated the potential of voluntary exercise to improve motor deficit in experimentally-induced Parkinson’s disease (6-OHDA) rats. Methods. Forty adult Wistar rats were ...
Background and purpose: Hypotonia and delay in gross motor are usually seen in toddlers with celiac disease. This study aimed at investigating the effect of a developmental stimulation program on toddlers’ gross motor development. Materials and methods: A clinical trial was performed in Ghaem and Doctor Sheikh hospitals, Mashhad, in which 50 children, aged 1-3 years, were randomly assi...
There are several sources for pressure oscillations in solid propellant rocket motors. Oscillatory flow field is one of them. Free shear layers in motor flow field cause vortex shedding. End edges of propellant grains and baffle edge in two-segmented motors are samples of such zones. These vortices move from their forming points and strike the field walls. The kinetic energy of vortices change ...
There are several sources for pressure oscillations in solid propellant rocket motors. Oscillatory flow field is one of them. Free shear layers in motor flow field cause vortex shedding. End edges of propellant grains and baffle edge in two-segmented motors are samples of such zones. These vortices move from their forming points and strike the field walls. The kinetic energy of vortices change ...
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