To be eligible for an internship at the International Telecommunication Union (ITU), candidates must: Be under 30 years of ...
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IUPAC 2025 化学领域十大新兴技术

近日,国际纯化学和应用化学联合会(IUPAC)发布了2025年“化学领域十大新兴技术(Top Ten Emerging Technologies in ...
HONG KONG, Jan. 4 (Xinhua) -- Hong Kong will redouble efforts to foster an ecosystem of sci-tech innovation and industrial development, Paul Chan, financial secretary of the Hong Kong Special ...
“机械星球”秉持“让机器人触手可及”的理念,提供专业、高效、可靠的服务承诺,是推动机器人技术普惠普及的重要力量。凭借在机器人租赁领域的丰富经验和完善的服务体系,“机械星球”正成为连接前沿技术与广泛应用需求的关键桥梁。想要了解更多机器人租赁服务,探索智能科技的无限可能?欢迎关注并访问“机械星球”小程序。我们一同开启智能服务的新篇章。 返回搜狐,查看更多 ...
多类拓扑半金属在拓扑带交叉处具有相反手性的费米子。拓扑系统中的手性费米子输运通常依赖于强磁场或磁掺杂剂来抑制平凡输运,并造成相反陈数态占据数的不平衡。 研究组利用拓扑带的量子几何特性,通过手性将费米子滤入不同的陈数极化态。这实现了具有相反手性的费米子电流在实空间中分离,通过观察其在无外加磁场条件下的量子干涉,研究组证明了这一点。 由单晶PdGa制成的三臂构型器件表现出量子几何诱导的手性费米子异常速 ...
Green growth is another area where China is turning policy into economic opportunity. Decarbonization, renewable energy and sustainable urban development are no longer regulatory goals; they are ...
At a moment when trade protectionism is resurging, geopolitical tensions are increasing, and economic uncertainty clouds global recovery, China and South Korea — two major economies in the ...