In the process of Saudi Arabia's continuous economic diversification and development, China has become an important partner. An increasing number of Chinese companies view Saudi Arabia as a key ...
TEHRAN, Sept. 21 (Xinhua) -- Iran on Saturday unveiled its latest homegrown precision strike long-range ballistic missile and kamikaze drone at a grand parade staged by the country's armed forces, the ...
2024年9月23日,根据美总统第13873号行政令,美国商务部产业与安全局(BIS)发布一项《保障信息和通信技术及服务供应链:网联车辆》的拟议规则通知[1](NPRM,以下简称“拟议规则”),该拟议规则将禁止含有中俄和其他受关注国家(country of concern)的某些硬件或软件的网联汽车进口至美国或在美国销售。该拟议规则基于第13873号行政令的授权,并采纳了2024年3月1日发布的拟 ...
澳洲墨尔本皇家理工大学、悉尼大学、香港理工大学及海克斯康制造智能(Hexagon Manufacturing Intelligence)公司的研究人员报道用3D打印造出高性能钛-氧-铁合金,助力解决“氧脆化”难题,将给物理冶金学带来广泛影响。相关论文以“Strong and ductile titanium–oxygen–iron alloys by additive ...