Results 51 to 60 of about 217 (212)
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Background Stereoelectroencephalography‐guided radiofrequency thermocoagulation (SEEG‐RFTC) is a minimally invasive therapy for drug‐resistant focal epilepsy. However, the relationship between specific seizure‐onset patterns (SOPs), particularly low‐voltage fast activity (LVFA), and postoperative scalp EEG normalization remains inadequately ...
Yi‐qing Yang +6 more
wiley +1 more source
IET Power ElectronicsThis paper introduces a full bridge high voltage gain resonant switched capacitor converter (SCC) providing soft switching conditions for all power semiconductors above and below the resonant frequencies.
Sajad Afshar Zarandi +2 more
doaj +1 more source
Research on characteristics of bidirectional CLLC DC–DC transformer used in DC microgrid
The Journal of Engineering, 2019 In the DC microgrid system, the energy storage system must have both high power density and high energy density, and it is difficult for a single type of energy storage device to meet this requirement.
Wen Chunxue +4 more
doaj +1 more source
Arthritis Care &Research, EarlyView.Objective To investigate the association between rheumatoid arthritis (RA) and coronary artery calcium (CAC) prevalence, incidence, and progression over four years in adults without prior cardiovascular disease. Methods A case‐cohort study within the Brazilian Longitudinal Study of Adult Health (ELSA‐Brasil) included 585 participants (86 patients with ...
Patrícia Fonseca Estrada +7 more
wiley +1 more source
Power-take-off topology comparison for a wave energy converter
The Journal of Engineering, 2019 Wave Energy Converters (WECs) generally use a Mechanical Power-Take-Off (MPTO) involving hydraulics or gearing to optimise the extraction of energy from the incoming waves before converting it into electrical energy via a high speed rotating generator ...
Stephen P. McDonald +3 more
doaj +1 more source
Automated Hand Flexor Tendon–Thickness Measurement in Systemic Sclerosis
Arthritis Care &Research, EarlyView.Objective Systemic sclerosis (SSc) can affect flexor tendons, contributing to hand function problems and reduced quality of life. Tendon changes are currently assessed with ultrasonography and measured manually, a time‐consuming process prone to interobserver variability.
Mark Greveling +4 more
wiley +1 more source
A Load‐Independent High‐Frequency Resonant DC‐DC Converter for LED Driver Applications
IET Power ElectronicsThis paper introduces a soft‐switching single‐switch step‐down LED driver. The switch operates under zero voltage switching condition, which eliminates switching losses as well as capacitive turn‐on losses.
Behzad Soleymani +2 more
doaj +1 more source
A 99%-efficiency GaN converter for 6.78 MHz magnetic resonant wireless power transfer system
The Journal of Engineering, 2014 The authors developed a high-efficiency gallium-nitride (GaN) Class-E converter for a 6.78 MHz magnetic resonant wireless power transfer system. A negative-bias gate driver circuit made it possible to use a depletion mode GaN high-electron-mobility ...
Yoshiyuki Akuzawa +3 more
doaj +1 more source
Arthritis Care &Research, EarlyView.Objective Systemic sclerosis (SSc) is characterized by cardiovascular risk excess not fully explained by traditional factors. Whether the severity of microvascular damage correlates with structural subclinical atherosclerosis remains unclear. We investigated the relationship between nailfold videocapillaroscopy (NVC) abnormalities and carotid ...
Eugenio Capparelli +13 more
wiley +1 more source
IET Power ElectronicsIn environments with numerous converters, there is a need for highly efficient. The LLC resonant converter is a good candidate for microgrid applications, as it features low switching losses and a wide voltage regulation range.
Andre de Souza Leone +4 more
doaj +1 more source