Switching power supplies are familiar to Hackaday readers, whether they have a fairly conventional transformer, are a buck, a ...

Coronary artery calcium (CAC) is a marker of subclinical atherosclerosis that confers increased risk of atherosclerotic cardiovascular disease. Measured by noncontrast cardiac computed tomography, CAC ...

Researchers found that blood collection tubes from different manufacturers can interfere with LC-MS/MS measurement of serum 25-hydroxyvitamin D [25 (OH)D], a critical preanalytical quality control ...

Abstract: This article focuses on a nonisolated dc–dc converter with main and auxiliary converters intended for railway applications. The conventional auxiliary converter is composed of multiple ...

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Abstract: This article presents methodologies to achieve seamless plug-in and plug-out of converters in droop-controlled dc microgrid (MG) systems. It is shown that the typical approach of precharging ...