Results 51 to 60 of about 715,629 (283)

Frailty Exacerbates Disability in Progressive Multiple Sclerosis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background To evaluate frailty in severe progressive multiple sclerosis (PMS) and to investigate the underlying mechanisms. Methods This prospective, cross‐sectional, multicenter study enrolled a late severe PMS group requiring skilled nursing (n = 53) and an age, sex, and disease duration‐matched control PMS group (n = 53).
Taylor R. Wicks   +10 more
wiley   +1 more source

Nonlinear Forced Response of Electromechanical Integrated Toroidal Drive to Coupled Excitation

open access: yesThe Scientific World Journal, 2012
The electric excitation and the parameter excitation from mesh stiffness fluctuation are analyzed. The forced response equations of the drive system to the coupled excitations are presented.
Lizhong Xu, Fen Wang
doaj   +1 more source

Technical analysis of flameproof function of variable frequency drive system used in explosive atmosphere

open access: yesMeikuang Anquan, 2021
Compared with the ordinary electric drive system, there is a wide range of explosive environment formed by flammable mixtures in modern industrial production such as coal mines and petrochemicals.
LI Shiguang   +4 more
doaj   +1 more source

The electric drive control system of corner reflectors of the spacecraft interferometer [PDF]

open access: yes, 2017
This paper presents the electric drive control system of corner reflectors of the infrared Fourier transform spectrometer for meteorological satellite. Limited-swing brushless DC motor with a torsional bearing is used as a drive motor.
Bunkov, Dmitriy   +3 more
core   +1 more source

Functional Connectivity Linked to Cognitive Recovery After Minor Stroke

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Patients with minor stroke exhibit slowed processing speed and generalized alterations in functional connectivity involving frontoparietal cortex (FPC). The pattern of connectivity evolves over time. In this study, we examine the relationship of functional connectivity patterns to cognitive performance, to determine ...
Vrishab Commuri   +7 more
wiley   +1 more source

Study of Electric Drive System for GCD-1000 Rail Car

open access: yes机车电传动, 2012
The advantages of electric drive rail car were illustrated. By analyzing the technical parameters and the electric drive system configurations of rail car, electric drive system design was provided.
LI He-fang
doaj  

Life‐Threatening Bradycardia in Anti‐NMDA‐Receptor Encephalitis and a Novel Use for Permanent Pacing

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Pediatric anti‐NMDA receptor encephalitis (pNMDARE) is an autoantibody‐mediated disorder that can cause severe autonomic dysfunction, including symptomatic bradycardia and asystole. Dysautonomia can last for years, making it very challenging to manage.
Sarah Tucker   +9 more
wiley   +1 more source

Spinal Cord Infarction Versus Idiopathic Transverse Myelitis: Clinical, Radiological, and Functional Insights From a Retrospective Cohort Study

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Introduction Spinal cord infarction (SCI) is a rare but devastating myelopathy, characterized by a high disability rate and an unfavorable prognosis. It has often been underdiagnosed and misdiagnosed as idiopathic transverse myelitis (ITM). This study aimed to describe the clinical features, radiological biomarkers, treatments, and functional ...
Zeqiang Ji   +13 more
wiley   +1 more source

Electric Traction System and Technic Innovationof SDA1 AC Drive Diesel Locomotive

open access: yes机车电传动, 2013
Focused on the electric traction system of SDA1 AC drive diesel locomotive, main drive system, control system, auxiliary converter system and technic innovation were introduced systematically.
XIAO Gong-bin   +2 more
doaj  

Mathematical and computer model of a multi-mass multi-motor electric drive system of a belt conveyor

open access: yesГорное оборудование и электромеханика
This article is devoted to mathematical and computer modelling of a multi-motor electric drive of a belt conveyor in order to study the operation of the electrical circuit and the dynamic properties of a multi-mass mechanical system.
Dmitrieva V.V., Dzyuin D.V.
doaj   +1 more source

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