超表面透镜的材料选择、制造技术和量产工艺及参数体现了其在光学领域的潜力。介质材料如TiO2和GaN适合可见光应用,金属如金和银用于红外等离子体应用。制造技术以EBL为原型制作,DUV和NIL为量产主选,NIL因成本效益高而更具优势。量产工艺需优化温度 ...
这座共享工厂是由唐山百川智能机器股份有限公司筹建并运营。该共享工厂负责人王孟昭介绍:“它能为机器人公司、高校和科研院所等提供样机试制、非标产品定制等服务,帮助中小微企业提高效率、降低成本。” ...
China has set an economic growth target of "around 5 percent" for 2025, the same as last year's figure, as the world's second ...
This Thursday, join us at the newly opened iKal•Tequila restaurant in Canton Place for the InterNations Guangzhou Midweek ...
WASHINGTON, Feb. 21 (Xinhua) -- U.S. President Donald Trump has of late added lumber and forest products to previously ...
纯粹经典,梦回童年 今天,我们为玩家公布一款期待已久的新品 —— AYANEO Pocket MICRO Classic,玩家心心念的 Pocket MICRO「无摇杆」版本。这不仅仅是一款掌机,它代表了对经典游戏体验的 ...
其实,多体纠缠(即拓扑序)是物理学中的全新现象,其需要全新数学语言来描述。这正像牛顿时代曲线运动需要全新的数学——微积分——来描述。这种新数学是什么?2005年以来的研究表明,高阶融合范畴理论可能正是描述长程纠缠的数学框架,正如群论是描述物理中对称破 ...
事实上,温伯格及其后众多物理学家的努力跟宇宙学有关。宇宙诞生之初,处于极高温度下,单位体积内的能量非常之高。随着宇宙的加速膨胀,在宇宙诞生后0.01 ns,温度逐步下降到1015 ...
Horst L?chel, professor of economics and co-chairman of the Sino-German Center at the Frankfurt School of Finance and Management shared his insights during the interview that China and Europe will ...
BEIJING, Feb. 28 (Xinhua) -- China's AG600 large amphibious aircraft on Friday completed all of its prior-certification flight test subjects, a key step toward achieving its airworthiness ...
六合区与茉莉花:茉莉花则是六合区的自然与文化象征之一,建城2500多年,历史传承悠久,文化资源丰富,这里孕育了世界民歌《茉莉花》、六合 ...