资讯

Abstract: The air-core inductance of power transformers is measured using a nonideal low-power rectifier. Its dc output serves to drive the transformer into deep saturation, and its ripple provides ...
For patients with heart failure and reduced or mildly reduced left ventricular ejection fraction, iron deficiency is common and associated with more severe symptoms, worse quality of life and an ...
You’ve probably familiar with the abs muscles—the ones you see poppin' on sculpted celebs like J.Lo or Halle Berry, but there’s way more to core strength than those visible six-pack muscles.
Department of Chemistry, State University of New York, Potsdam, New York 13676, United States ...