来源：光明日报 曾经，一种奇怪的现象"潜伏"在人们身边：在开灯或者接听固定电话的瞬间，一旁正在播放节目的老式 电视屏幕会出现转瞬即逝的"雪花"。这主要是因为周围电器通电瞬间的大电流产生强磁场，致使老电视 受到干扰。而如今，手机快充头可让手机在几十分钟内充满电且发热更少，LED灯光线柔和且基本看不 到闪烁，不同智能家居能稳定运行且互不干扰……从老电视的"雪花屏"到今天智能生活的种种便利，离 不开一位默默无闻的"功臣"——电感器，它如同现代电子设备的"心脏"，让电流有序流动、设备稳定工 作。 用纳米技术敲开能源高效转换之门 电感器是一种基于电磁能量转换的磁性元件，主要用于调节电流、滤除杂波信号和保护电路。从手机、 家电、新能源汽车，到光伏逆变并网、海陆空天安防，几乎所有的电子设备都离不开它。电感器的核心 组成是导线围绕磁芯，其工作原理源于电磁感应：当电流通过绕在磁芯上的线圈时会产生磁场，当电流 发生改变时，该磁场便会像减震弹簧一样"抵抗"电流的变化。 磁芯材料通常容易被外加磁场磁化产生磁性，撤掉磁场后磁性则消失。区别于撤掉磁场后磁性不易消失 从而能够吸引铁块的硬磁材料（即磁铁），这种易磁化/退磁的材料被称为软磁材 ...

2月1日至3日，世界顶尖科学家峰会在阿联酋迪拜举行，来自全球各领域的科学家，包括数十位诺贝尔 奖、图灵奖、沃尔夫奖获得者，围绕应对人类面临的复杂挑战展开深入研讨。 本届峰会以"基础科学：应对人类未来的挑战"为主题，聚焦人工智能与机器学习、量子科学与纳米技 术、生物技术与基因组学、数据科学与密码学、神经技术与脑科学以及能源与先进材料等多个关系到人 类文明未来发展方向的关键领域。 会场上，来自粤港澳大湾区的青年科学家代表、清华大学深圳国际研究生院副教授董恺琛就AI和社会 关系作分享，与会嘉宾们对其研究领域成果产生了浓厚兴趣。他在接受南都N视频记者专访时表示，粤 港澳大湾区的国际交流环境非常有利于新技术哺育和落地，为科研创新提供了良好土壤。 董恺琛（左一）。 "尽可能增加AI的可解释性" 在峰会开幕式当天的首场圆桌会议上，清华大学深圳国际研究生院副教授董恺琛围绕AI和社会关系， 从教育与科研两个维度切入，分享了他的独到见解。 董恺琛认为，AI能够加速教育和科研方面的各项工作，包括加速文章阅读、提升学习进度，科学研究 也因机器人和人工智能技术而变得更加快速。同时，他也提出了自己的顾虑：如果未来AI深度参与论 文发表甚 ...

Core Insights - Gansu Yanshi Zhongke Nano Technology Co., Ltd. has officially passed the national high-tech enterprise certification, indicating its technological leadership and continuous innovation in the nano technology field [1][4]. Group 1: Company Recognition - The successful certification marks a national-level authoritative recognition of Gansu Yanshi's advantages in technology and innovation capabilities [4]. - The company has demonstrated solid achievements in R&D investment, talent development, and results transformation [4]. Group 2: Future Plans - Gansu Yanshi aims to leverage this high-tech enterprise recognition as an opportunity to deepen its focus on the zinc salt sector [4]. - The company plans to increase R&D investment, enhance technological innovation, and improve the efficiency of results transformation to empower the collaborative upgrade of the industrial chain [4]. - The initiative is expected to contribute to the construction of a regional technological innovation ecosystem and promote high-quality economic development [4].

Core Insights - The core advantage of the company lies in the synergy of materials, processes, equipment, and intelligent control, which is essential for responding flexibly to market demands [1][4][8] Group 1: Vertical Integration and Innovation - The company has adopted a vertical integration model, controlling key stages of the supply chain to enhance innovation and cost optimization [2][4] - By investing in self-research technologies, the company has improved the uniformity of nano-dispersion in PET optical film, breaking the monopoly of foreign manufacturers [2][4] - The company aims to maintain strong pricing power and customization capabilities through long-term investments in technology [2] Group 2: Dual Strategy - The company implements a dual strategy focusing on low-cost operations and rapid innovation to adapt to market changes [4][6] - It has diversified its business across more than ten independent industries and plans to incubate 1-2 new industries annually, enhancing its flexibility [4][6] Group 3: Challenges and Ecosystem Building - The company faces challenges such as market uncertainty, a closed innovation system, and a structural talent shortage that limits growth [10][11] - To overcome these challenges, the company is building an ecosystem that includes collaboration with upstream and downstream partners while protecting core intellectual property [7][11] Group 4: Talent and Long-term Vision - Talent integration is crucial for the company's ecosystem, emphasizing the need for a supportive environment rather than just high salaries [8] - The company has established a high-quality manufacturing team and an efficient R&D team to support its technological innovation and manufacturing excellence [8] Group 5: Future Directions - The future of the industry lies in multi-party collaboration, enhancing foundational capabilities, and promoting open innovation [11] - The company advocates for policy support to address challenges in capital investment, pilot testing, and global expansion [11]

● 本报记者 郑萃颖 谈及创业初心，江必旺坦言："创业之初，中国在纳米技术领域的论文数量已占世界三分之一，但纳米 微球的产业化尚属空白。生物制药用微球长期被GE医疗掌控，手机电脑用微球被日本两家公司垄断， 正是这样的局面，让我决心创业。"他以"微球世界"作为微信昵称，并将推动纳米微球产业化作为其创 业方向。 纳米微球应用广泛，在生物制药领域，色谱填料是生产下游纯化环节重要耗材。根据纳微科技2021年的 招股说明书，当时国内色谱填料市场进口产品占比超过90%，国产材料存在巨大市场空间。江必旺认 为，要在纳米微球赛道立足，企业必须走出一条原始创新之路。 但纳米微球的制备并不容易，这项技术可以视作"微观世界的精密制造"，企业在推动从实验室到产业化 的跨越中，面临着高风险。江必旺谈到，创业初期，团队用两年时间完成实验室技术突破，让大家以为 产业化指日可待，但后续组建十几人团队，投入几千万资金攻坚五年后，却发现原有技术路线无法走 通。"很多人劝我放弃，毕竟投了这么多钱和时间，但我不甘心。"江必旺带领团队从头再来，又花五年 时间重构技术体系，期间顶住资金、技术、市场的多重压力，最终实现从底层技术到产业化的全面突 破。 江 ...

Group 1 - Nanotechnology is reshaping the competitive landscape of China's materials industry, with companies like Nalinwei focusing on vertical integration and rapid innovation as key drivers for industry upgrades [1] - Nalinwei has established itself as a vertically integrated group enterprise, controlling key stages of the supply chain, including the preparation of nano metal oxide powders and various processing techniques [2] - The company emphasizes the importance of self-research and development to achieve rapid iteration and cost optimization, particularly in the development of PET optical films [2] Group 2 - Nalinwei adopts a dual-track strategy to address challenges in the manufacturing sector, focusing on cost control through innovation and enhancing the speed of innovation to respond quickly to market demands [4] - The company has diversified its business across more than ten independent industries and aims to incubate 1-2 new industries each year, showcasing its unique flexibility [4] - Nalinwei's approach to cost reduction includes optimizing processes to lower costs by 20% in specific applications while maintaining performance advantages [4] Group 3 - The company faces challenges in balancing rapid innovation with resource allocation across multiple industries, necessitating precise decision-making in a rapidly changing market [6] - Nalinwei is addressing the issue of closed innovation in the Chinese industry by building its ecosystem, which includes attracting top international talent and establishing a dual-base operation model [7] - Talent integration is crucial for the company's ecosystem, with a focus on creating an environment that fosters long-term commitment and innovation [8] Group 4 - The materials industry faces multiple challenges, including increased market uncertainty, closed systems hindering innovation, and structural talent shortages [10] - Future solutions require multi-party collaboration, enhancing foundational capabilities, and promoting open innovation while protecting core intellectual property [10] - Nalinwei's experience indicates that upgrading China's new materials industry involves institutional innovation, capital restructuring, and ecological collaboration, moving beyond mere technological challenges [10]

Core Insights - The company, Yuxin Nano Technology Co., Ltd., has successfully shipped 34 tons of nano-grade calcium carbonate, marking the 11th shipment of its annual production project of 200,000 tons in 2023 [1] - The company plans to produce 1,500 tons in January, with products being distributed across domestic markets in Southwest and South China, as well as international markets including South Korea and Vietnam [1] - The production process involves over 20 precise steps, transforming local limestone into nano-grade functional materials with a particle size of up to 50 nanometers [1] Production Technology - The company utilizes a patented technology called "depolymerization" to achieve uniform dispersion of nano-particles, which prevents agglomeration and maintains superior performance [1] - The raw material, limestone, costs approximately 30 yuan per ton, but after deep processing, the product's price exceeds 3,000 yuan per ton, with high-end export products priced even higher [1] Quality Control and Market Expansion - The company has developed an autonomous control system since 2014, which monitors and adjusts production parameters in real-time, ensuring quality stability and production efficiency [2] - A dedicated laboratory team conducts strict inspections on various indicators from raw materials to finished products, ensuring compliance with customer specifications [2] - The company has achieved a production value exceeding 50 million yuan since launching its industrial-grade nano-calcium products and plans to expand into high-value sectors such as food-grade and agricultural calcium [2] - The company is actively exploring markets in Europe and West Asia to promote "Guizhou manufacturing" of nano materials internationally [2]

Group 1 - The core viewpoint of the article emphasizes the growing demand for powder materials, particularly ultrafine powders, in the national economy and the advancements in powder machinery technology [3][7]. - The powder industry is a foundational material sector in the economy, with China being a major player in both powder preparation and application, as well as in the manufacturing of crushing machinery [3][4]. - The development of crushing machinery has evolved through three main stages, from simple tools in ancient China to modern machinery driven by steam and electric power, leading to significant efficiency improvements [5][6]. Group 2 - The ultrafine grinding technology has become crucial for non-metallic minerals and high-tech material processing, with China achieving international leadership in this field despite a late start [7]. - The demand for lithium battery materials is increasing due to the growth in the new energy vehicle market, leading to a rise in the need for preparation equipment for battery anode and cathode materials [7]. - The global lithium-ion battery equipment market is projected to reach 186.87 billion yuan in 2023, with a year-on-year growth of 24.2%, and the Chinese market alone is expected to account for 137.05 billion yuan [8]. Group 3 - Future trends in the powder machinery industry will focus on increasing single-machine output and reducing energy consumption per unit product, driven by the rising demand for ultrafine powder products [9]. - There is a growing need for equipment capable of processing ultrafine powders with particle sizes below 1μm, which is essential for various high-tech applications [9]. - The online control of product fineness and particle size distribution is becoming a key requirement for intelligent control in ultrafine powder production lines, necessitating advanced adjustment capabilities [9].

Core Insights - A recent collaboration between Chinese and Dutch scientists has successfully synthesized a dynamic polymer with a distinct double-helix structure, inspired by the Shanghai Tower, marking a significant advancement in biomimetic smart materials [2][10] - The polymer exhibits dynamic behavior similar to natural proteins, allowing it to expand and contract with temperature changes, fully unwind under specific conditions, and degrade into absorbable small molecules, presenting new avenues for material development [2][4] Research Background - The research was conducted by the Nobel Prize-winning team at East China University of Science and Technology, inspired by the architectural design of the Shanghai Tower, which is the tallest building in China and the third tallest in the world [2] - The team aimed to create artificial polymers with similar geometric features and dynamic functions as biological helical polymers, which play critical roles in information storage and structural support in living organisms [2][3] Methodology - The researchers began with basic small molecules, using natural, biocompatible "molecular building blocks" like amino acids and disulfide bonds, connected through dynamic reversible chemical bonds to form stable helical structures [3] - Initial designs relied on weak interactions, leading to structural collapse under heat or environmental changes, but breakthroughs were achieved by combining dynamic covalent bonds with rigid amino acid backbones, resulting in a flexible yet stable helical structure [3][4] Applications - The new polymer demonstrates potential in biocompatible materials, suitable for next-generation wearable or implantable medical devices, capable of adapting to complex mechanical environments within the body and safely metabolizing after use [4] - Its excellent mechanical flexibility, biocompatibility, and complete degradability position it as an ideal candidate for applications in flexible neural interfaces, targeted drug delivery systems, and tissue engineering scaffolds [4] Broader Implications - The research highlights the importance of bridging physical laws and biological phenomena, showcasing how simple molecular components can lead to complex structures and functionalities, a principle that has driven significant scientific advancements [5][6] - The ongoing development of molecular machines and nanotechnology, as evidenced by previous Nobel Prize-winning work, underscores the potential for these innovations to revolutionize various fields, including medicine and environmental science [6][9]

Core Insights - A collaborative research effort between Chinese and Dutch scientists has successfully synthesized a dynamic polymer with a distinct double-helix structure, inspired by the Shanghai Tower's architecture, marking a significant advancement in biomimetic smart materials [2][3]. Group 1: Research Background and Inspiration - The research was conducted by the Nobel Prize-winning scientist team at East China University of Science and Technology, inspired by the Shanghai Tower, which is the tallest building in China and the third tallest in the world, completed in 2016 [3]. - The unique double-helix appearance of the Shanghai Tower not only provides aerodynamic stability but also resembles spiral structures found in biological systems, such as DNA and certain proteins [3]. Group 2: Polymer Characteristics and Functionality - The synthesized polymer exhibits dynamic behavior similar to natural proteins, capable of expanding and contracting with temperature changes, fully unwinding under specific conditions, and ultimately degrading into absorbable small molecules without residual risks [2][5]. - The polymer's structure is maintained through a combination of dynamic covalent bonds, particularly reversible disulfide bonds, and rigid amino acid backbones, allowing for both flexibility and stability [4][5]. Group 3: Potential Applications - This material shows promise for use in next-generation wearable or implantable medical devices due to its excellent mechanical flexibility, biocompatibility, and complete degradability [5]. - Potential applications include flexible neural interfaces, targeted drug delivery systems, and tissue engineering scaffolds, which can adapt to complex mechanical environments within the body and safely metabolize after fulfilling their purpose [5]. Group 4: Broader Implications in Nanotechnology - The research aligns with the broader mission of chemistry to bridge physical laws and biological phenomena, emphasizing the complexity that can arise from simple molecular building blocks [6]. - The development of molecular machines and nanotechnology has the potential to revolutionize various fields, including precision medicine and environmental remediation, by enabling the construction of materials with specific functions at the molecular level [7][10].