受钢筋混凝土启发，科学家研发出可耐受 500℃ 高温的轻质高强度材料

该研究的资深作者、多伦多大学 Yu Zou 教授指出：“钢筋混凝土结构中，钢制钢筋广泛用于增强建筑等大型构筑物中混凝土的结构强度。如今，增材制造（即金属 3D 打印）等新兴技术使我们能够在金属基体中复制这类结构，从而开发出性能前所未有的新型材料。” ...
China.org.cn

U.S. stocks rebound as NY Fed chief signals potential rate cut

NEW YORK, Nov. 21 (Xinhua) -- U.S. stocks rebounded Friday after New York Federal Reserve President John Williams signaled the central bank could deliver another interest rate cut before the end of ...

希腊股市上涨；截至收盘Athens General Composite上涨0.26%

Athens General Composite 中表现最好的股票为Piraeus Port (AT: OLPr )，上涨3.50%（1.35点），收盘报价为39.90。同时，Quest Holdings (AT: IQTr ...
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11月欧元区综合PMI指数初值52.4 商业活动略放缓

标普全球发布的11月HCOB欧元区综合PMI产出指数初值（HCOB Flash Eurozone Composite PMI Output Index）为52.4，略低于10月的52.5。

希腊股市收低；截至收盘Athens General Composite下跌2.09%

盘面表现最弱的股票为Elvalhalcor Hellenic Copper and Aluminium Industry SA (AT: ELHA )，下跌6.96%（0.24点）， 收盘报于3.21。Kri-Kri Milk (AT: KRIr ...
China.org.cn

U.S. stocks fall as doubts persist over Fed cut in December

Rate cut expectations have continued to cool, with markets now assigning roughly a 42.9 percent chance that the Federal Reserve will lower its benchmark rate by a quarter point at its December meeting ...