Results 131 to 140 of about 63,594 (314)
Upper Cervical Cord Area as a Biomarker of Conversion to Secondary Progressive Multiple Sclerosis
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective This study assessed whether upper cervical cord area (UCCA) measured on routine brain MRI can serve as a biomarker of conversion to SPMS. Methods This is a single‐center retrospective cohort study of RRMS patients with cross‐sectional and longitudinal analyses of clinical and MRI data. Future SPMS converters were matched by age, sex,
Nabil K. El Ayoubi +8 more
wiley +1 more source
Application of Bidirectional Converters in Urban Rail Transit Power Supply Systems
Chengshi guidao jiaotong yanjiu[Objective] To address the challenges about renewable energy utilization and significant grid voltage fluctuations in urban rail transit power supply system, a power supply solution based on bidirectional converter technology for traction system is ...
Mao WANG +6 more
doaj +1 more source
Requirements for Power Converters
, 2016 This paper introduces the requirements for power converters needed for particle accelerators. It describes the role of power converters and the challenges and constraints when powering magnets. The different circuit layouts are presented as well as the operating cycles. The power converter control and high precision definition are also introduced. This
openaire +2 more sources
, 2021 In general, the master-slave output power balancing method has widely been used to stabilize parallelconnected modular power converters. However, it cannot consider the performance deviation among the modular power converters due to different stress and ...
Jung, Jee-Hoon +2 more
core
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Background Factors associated with relapse course and disability in myelin oligodendrocyte glycoprotein antibody‐associated disease (MOGAD) remain incompletely understood. Objectives To identify clinical and modifiable factors associated with relapse and disability in MOGAD. Methods In this ambispective multicentre cohort study using data from
Yingtao Wang +23 more
wiley +1 more source
Applied SciencesThis paper presents a standalone system that utilizes a capacitive isolated series resonant converter using an extremum-seeking control algorithm to extract the maximum power from PV panels.
Abdulhakeem Alsaleem +1 more
doaj +1 more source
Arthritis Care &Research, EarlyView.Objective The goal was to assess the diagnostic performance of three novel autoantibodies (NA) for Sjögren disease (SjD) by comparing NA prevalence in patients with SjD, other autoimmune rheumatic diseases (ARDs), nonspecific chronic sialadenitis (CS), and controls.
Chadwick R. Johr +5 more
wiley +1 more source
IEEE Open Journal of Power ElectronicsElectric vehicles (EVs) penetrating the transportation sector are accelerated through environmental concerns, low prices, and increased power density. At the same time, the technologies for wireless charging of EVs are advancing due to their convenience,
Venugopal Ramadoss +5 more
doaj +1 more source
Cognitive Behavioral Therapy for Youth With Childhood‐Onset Lupus: A Randomized Clinical Trial
Arthritis Care &Research, EarlyView.Objective Our objective was to determine the feasibility and acceptability of the Treatment and Education Approach for Childhood‐Onset Lupus (TEACH), a six‐session cognitive behavioral intervention addressing depressive, fatigue, and pain symptoms, delivered remotely to individual youth with lupus by a trained interventionist.
Natoshia R. Cunningham +29 more
wiley +1 more source
A Systematic Mapping Study on Automatic Control Systems of Multi-Port dc/dc Power Converters
EnergiesIn the ongoing transition to renewable energy sources, power converters have become indispensable. Their prevalence is increasing, enabling efficient energy conversion, enhancing reliability and stability, and optimizing power extraction from renewable ...
Diego Vargas +3 more
doaj +1 more source