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高功率电磁波源及其系统研讨活动在京举办
Ke Ji Ri Bao· 2025-09-15 09:29
何文龙还介绍了兆瓦级长脉冲回旋管在热核聚变中的应用,团队设计的回旋管实现了核心技术突破,成 为国内首台成功应用于热核聚变的电子加热设备。"未来,核聚变用回旋管将沿着提升性能及深化国际 合作的方向大步迈进,为实现核聚变能源的商业化利用奠定坚实基础。"何文龙表示。 在自由发言环节,与会专家围绕推动产业结合、加速研发效率以及新型制造工艺等话题,结合研究专长 发表各自见解。冯进军建议高功率电磁波源的研究应在健康医疗领域找寻关键应用。北京航空航天大学 教授阮存军团队分享了大功率宽带毫米波及太赫兹真空电子器件的关键技术,指出器件正朝着高频化、 宽带化、小型化方向发展,并建议推进工艺创新,提升器件性能和可靠性。杜朝海建议要加速技术迭代 与产业化,注重跨学科人才培养和技术梯队建设,为行业可持续发展提供坚实人才支撑。安徽华东光电 技术研究所有限公司总工程师席洪柱分享了高频段电磁波源器件的关键技术,强调应加强工艺创新,推 动器件向小型化、低成本方向发展,以拓展应用场景,提升市场竞争力。中国科学院空天信息创新研究 院研究员丁海兵建议,推进器件模块化设计,以降低研发与实验的人力、物力投入,提升研发效率。合 肥综合性国家科学中心能源研 ...
预计三年内,全国新型储能新增装机超1亿千瓦
Ke Ji Ri Bao· 2025-09-15 06:45
科技日报记者 刘园园 日前,国家发展改革委、国家能源局印发的《新型储能规模化建设专项行动方案(2025-2027年)》 (以下简称《行动方案》)公布。《行动方案》旨在发挥新型储能支撑建设新型能源体系和新型电力系 统作用,培育能源领域新质生产力,进一步扩大内需,推动新型储能规模化建设和高质量发展。 《行动方案》提出,2027年,新型储能基本实现规模化、市场化发展,技术创新水平和装备制造能力稳 居全球前列,市场机制、商业模式、标准体系基本成熟健全,适应新型电力系统稳定运行的多元储能体 系初步建成;全国新型储能装机规模达到1.8亿千瓦以上,带动项目直接投资约2500亿元,新型储能技 术路线仍以锂离子电池储能为主,各类技术路线及应用场景进一步丰富。 "'双碳'目标引领下,新能源快速发展,系统调峰、电力保供压力不断增大,作为重要的灵活性调节资 源,新型储能成为构建新型电力系统的客观需要。"国家能源局有关负责同志表示,新的形势下,为推 动新型储能产业高质量发展,亟需进一步明确新型储能应用拓展、创新融合及市场机制等方面举措要 求。 该有关负责同志介绍,"十四五"以来,我国新型储能快速发展,截至2024年底,全国新型储能装机 ...
8月份全国规上工业增加值同比增长5.2%
Ke Ji Ri Bao· 2025-09-15 06:31
Economic Overview - In August, the national economy maintained overall stability and progress, with a focus on strengthening macro policy adjustments and promoting a unified national market [1] - The industrial added value above designated size grew by 5.2% year-on-year in August, with mining, manufacturing, and electricity sectors showing growth rates of 5.1%, 5.7%, and 2.4% respectively [1] Industrial Performance - The equipment manufacturing sector's added value increased by 8.1%, while high-tech manufacturing saw a growth of 9.3%, outperforming the overall industrial growth by 2.9 and 4.1 percentage points respectively [1] - From January to August, the industrial added value above designated size grew by 6.2% year-on-year [1] Profitability - From January to July, the total profit of industrial enterprises above designated size reached 40,204 billion yuan, reflecting a year-on-year decline of 1.7% [1] Investment Trends - Fixed asset investment (excluding rural households) reached 326,111 billion yuan from January to August, marking a year-on-year increase of 0.5%, with a 4.2% growth when excluding real estate development investment [2] - Investment in high-tech industries such as information services, aerospace equipment manufacturing, and computer and office equipment manufacturing grew by 34.1%, 28.0%, and 12.6% year-on-year respectively [2]
聚变堆遥操作系统测试平台研制成功
Ke Ji Ri Bao· 2025-09-15 06:31
Core Insights - The successful testing and acceptance of the remote operation system testing platform for the CRAFT project marks a significant breakthrough in China's fusion reactor core maintenance technology [1][3][5] Group 1: Technical Achievements - The remote operation system includes a maintenance robot with a load capacity of 60 tons and precision of ±3.1 mm in horizontal transport and ±3.8 mm in vertical lifting, making it a leading system in the fusion field [1][3] - The heavy-duty robotic arm can handle loads of 2.5 tons with a repeat positioning accuracy of ±0.01 mm, showcasing its high precision capabilities [1][3] - The project team has overcome technical challenges related to maintaining core components under extreme conditions, achieving a balance between complex robot structures and the high reliability and precision required for fusion reactor maintenance [3][5] Group 2: Future Applications and Impact - The technology developed can support domestic and international next-generation fusion devices, including BEST, CFEDR, and ITER, providing remote operation technology validation and system support [5] - The remote operation system has high industrialization potential and social value, with applications extending to nuclear power maintenance, aerospace, heavy machinery, and emergency rescue [5] - The CRAFT facility, located in Hefei, Anhui Province, is set to be completed by the end of 2025 and aims to be the most advanced comprehensive research platform in the international fusion field [5]
【科技日报】我国学者首次揭示深海热液动物“以毒攻毒”独特适应机制
Ke Ji Ri Bao· 2025-09-15 03:37
Core Insights - The research team from the Institute of Oceanology, Chinese Academy of Sciences, has revealed a unique adaptation mechanism of the deep-sea hydrothermal animal, Alvinella pompejana, demonstrating a "poisoning the poison" strategy [1][3] - The findings provide new perspectives for understanding animal adaptive evolution and open new directions for biomineralization research and environmental toxicology [1] Group 1: Research Findings - The study was conducted in the Okinawa Trough hydrothermal area, where Alvinella pompejana thrives in extreme environments with high concentrations of toxic substances like hydrogen sulfide and heavy metals [2] - The species exhibits unique characteristics, including a rare bright yellow coloration due to the presence of yellow granules in its epithelial cells, which are primarily composed of arsenic and sulfur [2] - The research team utilized whole-genome sequencing and proteomics to identify that these granules are enriched with multidrug resistance transport proteins and hemoglobin, which are crucial for arsenic transport and detoxification [2] Group 2: Unique Mechanism - The research proposes that Alvinella pompejana has evolved a unique arsenic-hydrogen sulfide coupling detoxification mechanism, where arsenic is accumulated from high-concentration biofilms and transported to various tissues [3] - Hydrogen sulfide is delivered to detoxifying cells via hemoglobin, leading to the formation of insoluble arsenic trisulfide minerals, effectively locking away the toxins [3] - This discovery marks the first identification of arsenic mineralization within animal cells, highlighting the remarkable evolutionary adaptations of life to environmental challenges [3]
一场生命起源“侦探剧”在火星上演
Ke Ji Ri Bao· 2025-09-15 01:40
Core Insights - The research focuses on Jezero Crater on Mars, which was once a lake, and aims to uncover clues about ancient Martian life [1] - NASA's Perseverance rover has confirmed the presence of a delta formed by a river, indicating a history of water flow in the area [1] - A study published in Nature highlights the discovery of a rock formation called "Bright Angels," which contains minerals that may serve as potential biosignatures [1][2] Group 1 - The minerals found in the "Bright Angels" formation are rich in iron phosphate and iron sulfide, and their distribution aligns closely with organic carbon, suggesting a possible link to past biological activity [1][2] - These minerals formed in a low-temperature environment post-sedimentation, indicating they were likely created through chemical reactions involving water rather than volcanic activity [2] - The coexistence of iron phosphate and organic carbon is often associated with microbial metabolism on Earth, hinting at the potential for past life on Mars [2] Group 2 - Scientists remain cautious, considering that the minerals could also be products of purely chemical reactions, necessitating further investigation into both biological and non-biological origins [2] - Perseverance has collected multiple core samples from the area, which are sealed in titanium tubes for future analysis on Earth, where advanced laboratory techniques may reveal more definitive evidence of life [2] - The findings raise profound questions about the nature of life in the universe, pondering whether it is a mere chemical accident or an inevitable occurrence [2]
“万里穿针”耀太空——中国空间交会对接技术演进纪实
Ke Ji Ri Bao· 2025-09-15 00:21
Core Viewpoint - The article highlights China's advancements in space rendezvous and docking technology, showcasing the successful development and implementation of autonomous control systems that have positioned China among the leading nations in this critical area of aerospace technology [1][2]. Group 1: Historical Development - The journey of China's space rendezvous technology began in the 1980s with the initiation of the national 863 program, where early experts recognized the strategic importance of this technology [2]. - The team, led by notable figures such as Academician Yang Jiachis and Academician Wu Hongxin, faced significant challenges due to the lack of foundational knowledge and resources, leading them to develop their own theoretical framework [2][3]. - The first successful autonomous docking occurred on November 3, 2011, when the Shenzhou 8 spacecraft docked with the Tiangong 1 space laboratory, marking a significant breakthrough in China's space capabilities [3]. Group 2: Technological Advancements - Following the initial success, China conducted multiple missions, including Shenzhou 9 and Shenzhou 10, to further validate and refine the docking technology [4]. - In response to international advancements, particularly from Russia, the team focused on developing faster and more autonomous docking techniques, leading to the introduction of a 6.5-hour autonomous docking technology in 2017 [6][7]. - By November 2022, the Tianzhou 5 cargo spacecraft achieved a record docking time of 1 hour and 57 minutes with the Chinese space station, demonstrating significant improvements in efficiency [8]. Group 3: Future Aspirations - The team aims to continue innovating and improving docking technology, with aspirations to achieve even faster docking times and enhance the reliability of the systems [6][8]. - The successful implementation of 37 docking missions in both Earth and lunar orbits illustrates the comprehensive development of China's autonomous docking capabilities, setting a benchmark for future missions [8].
上海:真金白银破解基础研究“不敢投”难题
Ke Ji Ri Bao· 2025-09-14 23:38
Core Insights - Shanghai has made significant reforms and innovations in basic research, with funding for basic research expected to reach approximately 11% of total R&D expenditure in 2024, surpassing the national average of 6.91% but still below the international benchmark of 15% [1] Group 1: Policy Measures - The newly introduced measures aim to enhance corporate basic research capabilities and original innovation, focusing on key and future industries in Shanghai [1] - The "Explorer Program" was established in 2021 to bridge the gap between industry needs and basic scientific research, expanding from 2 to 22 participating companies across various sectors [2] - Financial incentives are provided for companies investing in basic research, with one-time subsidies ranging from 200 million to 1 billion yuan based on their annual investment levels [3][4] Group 2: Collaborative Initiatives - The measures support the use of large scientific instruments and major technological infrastructures, offering up to 1 million yuan in subsidies for related expenses [4] - A collaborative funding model is promoted, where the government and enterprises co-invest in research centers, focusing on key scientific and technological issues [5] - The establishment of public welfare foundations for basic research is encouraged, with matching support from the government for projects funded by these foundations [6] Group 3: Industry Engagement - Companies are increasingly encouraged to support basic research, with examples like Shanghai Titan Technology's establishment of a non-public fund to support frontier scientific projects [7] - The Shanghai State-owned Assets Supervision and Administration Commission is facilitating partnerships between state-owned, private, and foreign enterprises to enhance basic research funding [7]
韩金融业AI与IT融合速度加快
Ke Ji Ri Bao· 2025-09-14 23:34
Group 1 - The integration of AI and IT development in South Korea's financial industry is gaining momentum, shifting from traditional IT-centric development models to AI-driven processes [1] - Shinhan Bank is conducting a proof of concept for an AI-centered development platform to test the effectiveness and limitations of AI in core banking operations [1] - The AI platform at Shinhan Bank aims to evaluate usability throughout the development cycle, including drafting requests, identifying missing items, generating scripts, and writing analysis and design documents [1] Group 2 - KB Financial Group is utilizing its internally developed generative AI platform to test an AI agent capable of handling tasks across financial services, algorithms, products, and development [1] - NH Nonghyup Bank is integrating AI into user interface and user experience design using solutions from INSWAVE, focusing on automation [1] - The shift to AI-based IT development is impacting the IT workforce in the financial sector, leading to a decrease in employee turnover and recruitment as AI-driven processes become the standard [2]
CRISPR基因编辑动物引争议
Ke Ji Ri Bao· 2025-09-14 23:33
Group 1: Core Insights - CRISPR gene editing technology is being increasingly applied in the genetic improvement of animals such as horses, sheep, and pigs, enhancing traits for safer and higher-quality meat products [1][2] - The use of CRISPR in horses has faced resistance from traditional sports organizations, highlighting the tension between technological advancement and traditional practices [2] - Companies like Acceligen are utilizing CRISPR to develop livestock that can better withstand climate change, such as the PRLR-SLICK cows, which have been recognized as safe for consumption by the FDA [3] Group 2: Industry Applications - The development of CRISPR-edited animals is showing potential in agriculture, with applications aimed at improving meat and dairy production efficiency [3][4] - The GalSafe pig, developed by Revivicor, aims to reduce allergic reactions in humans and has potential applications in organ transplantation [4] - The emergence of CRISPR-edited animals is also driven by the need for disease resistance, as seen in the genetically modified pigs that can resist specific viral infections [3] Group 3: Ethical and Safety Considerations - The rise of gene-edited animals raises ethical concerns, particularly regarding the potential health impacts on both the animals and consumers [5][6] - There are worries about unintended consequences, such as off-target mutations that could lead to health issues or early mortality in edited animals [6] - Continuous monitoring of the health impacts of gene editing on animals is deemed necessary to ensure their welfare and long-term health [6]