记者从中国科学院获悉，近日，依托中国科学院物理研究所建设的国家重大科技基础设施——综合 极端条件实验装置实现了35.6特斯拉全超导磁体，创造了全超导用户磁体新的世界纪录。 强磁场超导磁体是一种能在极低温条件下实现零电阻和强磁场的装置，具有极高的磁场强度、极高 的均匀度和稳定性，且能耗极低，是现代科技领域的核心装备之一，在国家重大科技基础设施、先进科 学仪器、高端医疗装备、能源交通以及国防特种装备等领域具有重大应用价值。强磁场超导磁体研制涉 及多学科交叉融合，工程化过程面临多重技术瓶颈，对磁场强度、稳定度、均匀度、有效口径以及长期 运行可靠性等指标有着极高要求。建造强磁场超导磁体所需高温超导材料还存在临界电流与力学性能强 各向异性、屏蔽电流效应突出、尺寸偏差大等问题，给磁体设计与工程化带来巨大挑战。 该装置为国家"十二五"重大科技基础设施项目，已于2025年2月通过国家验收，此次为在全超导磁 体基础上实现了优化升级。该全超导磁体由中国科学院电工研究所和中国科学院物理研究所经过多年联 合攻关研制而成，经专家现场测试，中心磁场达35.6特斯拉，可用孔径为35毫米，是支持国内外科研团 队开展前沿研究的用户磁体。该成果 ...

为此，中国科学院电工研究所、物理研究所发挥各自专长，协同攻关。电工研究所团队在磁体设计 与建造方面取得关键技术突破，物理研究所团队则攻克了极端条件下精密测量与系统集成等难题，最终 实现了全超导磁体性能的跨越式提升。 值得关注的是，该用户磁体将为科研人员探索微观世界规律、推动基础研究和高端装备制造提供关 键支撑。"例如，在材料科学中，强磁场可帮助揭示新型超导材料的特性；在生命科学领域，能为蛋白 质结构解析提供更精准的实验条件。"中国科学院物理所研究员雒建林说。 记者27日从中国科学院获悉，依托国家重大科技基础设施"综合极端条件实验装置"，我国科研人员 成功研制出中心磁场达35.6特斯拉的全超导用户磁体，打破美国国家强磁场实验室创造的32特斯拉世界 纪录。该磁体是全球唯一能提供30特斯拉以上磁场的全超导用户实验磁体，可为国内外科研团队提供极 端强磁场实验条件，其最高磁场是地球磁场的70多万倍，显著提升了我国强磁场物质科学研究实力。 强磁场是探索科学前沿的一种极端实验条件，在发现新现象、催生新技术方面具有不可替代的作 用。强磁场超导磁体是一种在极低温下运行的装置，具有零电阻、强磁场、高稳定和低能耗的特性，是 支撑大 ...

Core Viewpoint - A Chinese research team has successfully developed a superconducting user magnet with a central magnetic field strength of 35.6 Tesla, setting a new record and demonstrating significant potential for applications in advanced scientific instruments, high-end medical equipment, and energy transportation [1] Group 1 - The superconducting magnet achieves a magnetic field strength equivalent to over 700,000 times that of the Earth's magnetic field [1] - The development of this superconducting magnet was completed by the Institute of Electrical Engineering and the Institute of Physics under the Chinese Academy of Sciences, addressing challenges in health monitoring [1] - The usable aperture of the superconducting magnet is 35 millimeters, which will support domestic and international research teams in cutting-edge studies [1] Group 2 - The research team aims to further enhance the comprehensive performance of the magnet and develop superconducting user magnets with even higher magnetic field strengths [1]

Core Viewpoint - China has successfully developed a world-record superconducting magnet with a magnetic field strength of 35.6 Tesla, marking a significant advancement in high-temperature superconducting applications and providing technical support for various scientific fields [1][4]. Group 1 - The superconducting user magnet, with a diameter of 35 mm, achieved a magnetic field strength of 30 Tesla in 2023 and is now open to domestic and international users [4]. - Continuous upgrades in materials, structure, and processes have allowed the research team to reach the new record of 35.6 Tesla while maintaining the same diameter, making it the only superconducting user magnet globally capable of providing over 30 Tesla [4][6]. - This superconducting user magnet is part of a large scientific facility located in Beijing Huairou Science City, which is set to pass national acceptance in February 2025 [6]. Group 2 - The large scientific facility integrates extreme conditions research capabilities, including ultra-low temperature, strong magnetic fields, ultra-high pressure, and ultrafast light fields, enhancing research capabilities in the microscopic material world [6].

据介绍，此次研制的全超导用户磁体，由中国科学院电工研究所完成设计制造、中国科学院物理研究所 攻克健康监测等难题，可用孔径为35毫米，将支持国内外科研团队开展前沿研究。下一步，团队将进一 步提升磁体综合性能，研制磁场强度更高的全超导用户磁体。 记者1月27日从中国科学院获悉，我国科研团队依托国家重大科技基础设施——综合极端条件实验装 置，成功研制出中心磁场强度达35.6特斯拉的全超导用户磁体，相当于地磁场的70多万倍，刷新了全超 导用户磁体的现有纪录。 全超导磁体具有极高的磁场强度，且能耗极低，在先进科学仪器、高端医疗装备、能源交通等领域应用 潜力巨大。然而，其研制对磁场强度、稳定度、均匀度、有效口径以及长期运行可靠性等指标有着极高 要求。 ...

Core Points - The Hainan Free Trade Port officially launched its island-wide customs closure on December 18, marking a significant step in China's commitment to high-level opening-up and the construction of an open world economy [1] Group 1: Customs and Trade Policies - Hainan's customs closure allows for a special customs supervision area with a policy framework characterized by "open on one line, controlled on another, and free within the island" [1] - The first batch of "zero tariff" imported products, including 179,000 tons of petrochemical raw materials, arrived at Yangpu Port, saving nearly 4 hours in customs clearance time [1] - The list of "zero tariff" goods has expanded to approximately 6,600 tax items, significantly broadening the scope of beneficiaries [2] Group 2: Economic Impact and Business Opportunities - The "zero tariff" policy is expected to lower procurement costs for businesses, allowing more funds to be invested in research and production, thereby enhancing innovation [3] - The processing and value-added products with over 30% domestic processing can enter the mainland market duty-free, further optimizing the policy [3] - The closure marks the beginning of a new phase in Hainan's development, with plans to continuously expand open fields and improve policy systems [4] Group 3: Consumer Benefits and Tax Policies - The upgrade of the duty-free shopping policy will allow consumers to purchase a wider variety of duty-free goods at lower prices, enhancing the attractiveness of Hainan as a tourist destination [5] - The "two 15%" tax policy aims to reduce corporate income tax to 15% and exempt individuals from income tax on amounts exceeding 15%, benefiting both businesses and talent [11][14] - The duty-free shopping limit for individuals is set at 100,000 RMB per year, with specific categories of goods available for immediate purchase [9][12] Group 4: Talent Attraction and International Engagement - Hainan's policies are designed to attract global talent and investment, creating a favorable environment for businesses and enhancing the overall quality of life for residents [5][17] - The government aims to establish Hainan as a key hub for domestic and international dual circulation, facilitating connections to global resources [4][22] - Entrepreneurs express optimism about the opportunities presented by the free trade port, indicating a growing demand for services and innovation in the region [17][20]

Core Viewpoint - Hongxun Technology (603015.SH) is actively involved in the nuclear fusion sector, providing high-performance power systems for Tokamak devices, and has secured significant contracts related to international fusion projects [1] Group 1: Company Activities - The subsidiary EEI has long-term collaborations with foreign research institutions on physics projects, particularly in the nuclear fusion field [1] - EEI has previously participated in the ITER project, supplying power systems for the JT-60SA superconducting Tokamak device [1] - Currently, EEI has two active orders: one for a high-precision power solution for the correction coils of a divertor Tokamak testing device (order value of €3.6 million) and another for a magnet power project (order value of €800,000), both scheduled for delivery by the end of 2025 [1] Group 2: Industry Engagement - The EEI team is actively participating in discussions on nuclear fusion in key regions worldwide, seeking collaboration opportunities with China and other countries on various nuclear fusion projects [1]

Core Insights - The CHIEF (Centrifuge for High-Gravity Experiments) is the first national large scientific facility in Zhejiang, China, and has been recognized as the world's most powerful centrifuge by "Physics World" magazine [1][3] - CHIEF1300 has achieved a significant increase in maximum acceleration from 150g to 300g, with a capacity of 1300g·t, setting a new global record [2] - The facility aims to simulate extreme processes that cannot be directly observed in reality, providing insights into geological evolution, landslides, deep-sea energy extraction, and new material solidification [1][3] Technical Advancements - The design of CHIEF1300 includes innovative structural systems and the world's largest vacuum temperature control system to manage heat dissipation during high-speed operation [2] - The machine features a dynamic balance adjustment system that ensures stability during high-speed rotation, enabling more complex dynamic experiments in the future [2] Research Applications - CHIEF is equipped with 18 self-developed experimental devices, six of which are internationally pioneering, supporting various scientific explorations [3] - The experimental devices can simulate natural disasters, such as tsunamis, and provide critical data for energy development and material innovation [3] - The establishment of the "National Supergravity Science Center (provisional)" and the Supergravity Science and Technology Research Institute at Zhejiang University aims to promote interdisciplinary research and address national strategic needs [3]

Core Insights - The CHIEF facility, a major national scientific infrastructure, has launched its first centrifuge in Hangzhou, Zhejiang Province, which can simulate artificial gravity fields hundreds to thousands of times that of Earth's gravity [1][2] - This facility aims to support research in disaster prevention, resource development, underground space utilization, new material development, and geological processes [1] Group 1 - The CHIEF facility includes three main centrifuges: CHIEF1300, CHIEF1500, and CHIEF1900, along with 18 onboard devices across six experimental chambers [1][2] - CHIEF1300 has a capacity of 1300 g·t and is currently the largest centrifuge globally, achieving a maximum centrifugal acceleration of 300 g [2] - The facility is designed to simulate geological and environmental processes over extensive time scales, allowing for the study of phenomena that would typically take decades or centuries [2] Group 2 - The CHIEF project is led by Zhejiang University and aims to create an open and collaborative international research platform [2] - The facility is expected to enhance global scientific research and innovation by facilitating cooperation with top research teams worldwide [2] - The construction of CHIEF1500 and CHIEF1900 is ongoing, with completion expected by the end of 2025 [2]

Core Insights - The world's largest supergravity experimental facility has been launched in Hangzhou, China, featuring a centrifuge capable of generating gravitational forces up to 1500 times that of Earth's gravity [1][2]. Group 1: Facility Overview - The supergravity centrifuge simulation and experimental facility is led by Zhejiang University and includes three main centrifuges and 18 onboard devices across six experimental chambers [1]. - The first centrifuge, "CHIEF1300," has a capacity of 1300 g·t, making it the largest centrifuge globally, with two additional centrifuges, "CHIEF1500" and "CHIEF1900," under construction [1]. Group 2: Purpose and Applications - The facility aims to recreate significant disasters, geological evolution, and extreme environments in a controlled setting, allowing researchers to conduct experiments that compress time and space [2]. - For instance, a 100-meter real object can be scaled down to 1 meter, and a 100-year pollution migration process can be simulated in just 3.65 days [2]. Group 3: Technical Implementation - The "CHIEF1300" operates in a circular underground chamber of approximately 230 square meters, utilizing a 6.4-meter radius arm to generate centrifugal force, achieving supergravity levels between 10 to 300 times that of normal gravity [3]. - Advanced technologies such as deep pits, low-pressure chambers, and liquid cooling walls have been implemented to ensure stable and high-quality operation of the facility [3]. Group 4: Research and Development Impact - The facility integrates supergravity fields with extreme environments, covering various fields such as deep-sea resource development, disaster prevention, waste disposal, and new material fabrication [4]. - Preliminary experiments have yielded significant findings, including safety assessments for methane hydrate extraction at 2000 meters depth and earthquake impact simulations for hydropower dam designs [4]. - The facility aims to establish an open and collaborative international research platform, fostering partnerships with leading global research teams [4].