随着高频电子通信技术的快速发展，超低介电常数材料在高频设备中的应用需求急剧增加，这些材料需要表现出极小的信号延迟或损耗，以及在极端条件下的高功率和长期稳定性。聚酰亚胺（PI）由于具有许多优点，成为微波器件层间介质材料的理想选择，但其介电常数（3.1- ...

Chinese scientist Zhu Yongguan has been elected vice president for membership of the International Science Council (ISC), ...

HEFEI, Dec 26 (China Economic Net) - The International Molecular Pathology Training Program hosted by the Ministry of Science and Technology of China concluded at Anhui Medical University on Dec 24.

12月24日，2024中国海交会在广州开幕广州首个外籍人才综合信息服务平台“魅力广州”频道https://www.chinajob.com/guangzhou同步开通启动On December 24th, Guangzhou officially ...

Pudong is ramping up its innovation ambitions as it starts construction on 10 major science and technology projects and 40 ...

BEIJING, Dec. 25 (Xinhua) -- The Standing Committee of the 14th National People's Congress (NPC) concluded its 13th session here on Wednesday. At the closing meeting, lawmakers voted to adopt a law on ...

交通运输部长江航务管理局12月26日发布数据显示，2024年，预计长江干线港口货物吞吐量40.2亿吨，同比增长3.9%。 这是长江干线年度港口货物吞吐量首次超过40亿吨大关，再次稳居世界内河第一位。长江航运发展呈现出韧性更强、量质齐增的良好局面。

Multinational corporations have vowed to deepen cooperation with their Chinese partners and seize the huge opportunities presented by China's sharpened focus on bolstering technological innovation and ...

* The Guangdong-Hong Kong-Macao Greater Bay Area (GBA) stands as one of China's most open and economically dynamic areas, and ...

China's Ministry of Finance unveiled plans to implement a more proactive fiscal policy in 2025, including increasing the ...

外卖“飞送”、空中“飞的”……低空经济正将“科幻”带入现实。2024年低空经济被首次写入政府工作报告，低空经济乘势“起飞”，预计2025年，中国低空经济市场规模将达1.5万亿元。低空产业不断迭代升级，已成为加快新质生产力发展的重要经济形态。

“李书”和“大书”交相辉映，具有显著的互补性。前者注重中西跨文化的比较研究，将微观考释和宏观叙事相结合、内史与外史相结合，努力展现出“知识联系的或流动的历史”。后者充分利用中文史料和考古资料，着力构建一个学科覆盖比较全面、分卷设置比较系统的中国古代科学和技术体系。