Background Early graft failure within 90 postoperative days is the leading cause of mortality after heart transplantation. Existing risk scores, based on linear regression, often struggle to capture ...

Jupiter and Saturn host strikingly different polar storms, despite being similar giant planets, and scientists have long wondered why. New simulations suggest the answer may lie deep below the clouds.

George and Josephine Butler Polymer Research Laboratory, Department of Chemistry, Center for Macromolecular Science and Engineering, University of Florida, Gainesville, Florida 32611, United States ...

Abstract: In this paper, a new two-dimensional random switching frequency pulse-width-modulation (2D-RSF-PWM) method is proposed for variable frequency drives (VFDs). The proposed 2D-RSF-PWM method is ...

If you’ve read any stories about quantum research lately, in Columbia News or elsewhere, you may have heard the term 2D, or two-dimensional, materials. Two-dimensional materials are just what they ...

1 School of Geosciences and Info-Physics, Central South University, Changsha, China 2 Key Laboratory of Metallogenic Prediction of Nonferrous Metals of Ministry of Education, Central South University, ...