有关部门周一表示，美国钢铁公司宾夕法尼亚州工厂发生的爆炸已造成两人死亡，另有10人受伤。 爆炸发生于上午10:50左右，地点是宾夕法尼亚州克莱尔顿的克莱尔顿焦化厂 (Clairton Coke ...

NEW YORK, Aug. 11 (Xinhua) -- One person died and dozens of people were hurt after an explosion on Monday at U.S. Steel's Clairton Coke Works in the state of Pennsylvania, U.S. media reported. Two are ...

NEW YORK, Aug. 11 (Xinhua) -- Multiple people have been injured following an explosion on Monday at U.S. Steel's Clairton Coke Works in the state of Pennsylvania. A rescue operation is underway for ...

宾夕法尼亚大学（University of Pennsylvania）的科学家们在18日发布一项突破性研究，揭示了如何通过改变一种分子的结构来显著提升mRNA疫苗的效果。这项研究利用了一种百年历史的化学反应──曼尼希反应（Mannich ...

In this talk, I would like to share our attempts to solve security problems using various techniques. Starting from formal methods, we have applied formal modeling and reasoning to security ...