PNNL报告了摩擦挤压作为一种可行的固相合金化方法，可通过一个步骤将铝废料直接升级为高性能铝锻造挤压材，且碳足迹要低得多。对于升级再造，首先将6063铝废料和合金源——铜粉、锌粉和ZK60镁带——物理混合，然后进行摩擦挤压，从而无需进行批量熔化即可将 ...

The 2025 Overseas Chinese Promotion Conference on Guangdong's High-quality Development kicked off in Guangzhou on Feb. 13. Centering on the theme of "Building a Modern Industrial System", the conferen ...

China aims to boost its ice-and-snow economy targeting an economic scale of 1.2 trillion yuan (about 167.34 billion U.S. dollars) by 2027 and 1.5 trillion yuan by 2030, according to guidelines ...

在格陵兰冰盖上，基于钻孔光纤的观测揭示了一种与粘性流动理论不符的脆性变形模式，其长度尺度与现代冰盖模型的分辨率相似：即在地表无法观测到的冰震级联效应。冰震级联在火山来源杂质附近成核，促进晶界开裂，表现为晶体尺度原初塑性的宏观形式。

TMTPOST -- MagicBot, a Chinese company specializing in embodied intelligent robots, has successfully developed its first-generation self-researched dexterous hand, the MagicHand S01. The product ...

长时间保持直立姿势或不停行走，会使关节尤其是膝关节、踝关节以及脊柱的腰椎部分承受过度压力，导致关节磨损、肌肉疲劳，进而引发疼痛。例如，在游览大型景区时，一天下来步数往往破万，身体负担加重。 在飞机上、汽车上坐姿歪斜，睡觉时枕头高度不合适或床垫过软过硬等，这些都可能使脊柱的生理曲度发生改变，肌肉受力不均，引发疼痛。像在长途飞行中，很多人会弯腰驼背看电影或睡觉，长时间这样就容易导致脊柱疼痛。 2 行李 ...

The surge of DeepSeek, a two-year-old Hangzhou-based startup creating open-source large language models at much lower costs than foreign peers, has not only led to rising global investor interest in ...

"After 50 years of development, Yabuli has built a strong reputation as a unique venue, and for its natural advantages. These ...

Guangzhou convened its annual high-quality development conference on February 6th, right after the provincial conference of same topic held the day before. The conference aimed to rally the city's ...

在新年上班之初，自控力显得尤为重要。它能够帮助我们抵制拖延的诱惑，提高工作效率；能够让我们在面对困难和挑战时保持冷静和坚定，不轻易放弃；还能够促进我们的身心健康，提升整体生活质量。

海归学者发起的公益学术平台 分享信息，整合资源 交流学术，偶尔风月 物质的高温超导特性（温度77K以上），即在液氮温区或以上温区实现其奇特的零电阻、反磁性和量子隧道效应，一直是物理学家和材料学家关注的热点。

从古罗马时期至今,这座岛国的首都在世纪变迁里一步步成长为举世瞩目的金融中心。历史和人群不断刻画它的面貌——中世纪迷宫、乔治亚风格广场与豪宅、维多利亚排屋,新千年高耸入云的天际线......薄雾散去,伦敦带着独有的优雅与不凡静静伫立。