三时间维,一空间维 : 超光速观察者在 1+3 时空的相对论 诸平 Credit: Pixabay/CC0 Public Domain 据波兰华沙大学( University of Warsaw ) 2022 年 12 月 22 日报道,三时间维,一空间维 : 超光速观察者在 1+3 时空的相对论( Three time dimensions, one space dimension: Relativity of sup ...
科学家根据需要顺时针或逆时针转动单个分子 诸平 Fig. 1 Scanning tunneling microscopy (STM) image of a rotating europium (Eu) complex on a gold sheet. The dark spot in disc indicates the single Eu atom. Credit: Argonne National Laboratory Fig. 2 Controlled rotation of Eu compl ...
中美合作研究:比伐卢定可使严重心脏病死亡风险降 31% 诸平 Fig. 1 The scientists believe that switching to bivalirudin could save hundreds of thousands of lives each year. Fig. 2 Reduction in the risk of death or major bleeding after primary PCI in patients with STEMI treated wit ...