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高能同步辐射光源通过工艺验收
Ke Ji Ri Bao· 2025-10-30 02:42
Core Viewpoint - The High Energy Photon Source (HEPS) has passed its process acceptance, marking a significant advancement in China's synchrotron radiation capabilities and establishing it as the first fourth-generation synchrotron radiation source in Asia [1][2]. Group 1: Project Overview - HEPS is the first high-energy synchrotron radiation source in China and the first fourth-generation synchrotron radiation source in Asia [1][2]. - The project was initiated in June 2019 and has been constructed by the Institute of High Energy Physics, Chinese Academy of Sciences [4]. Group 2: Technical Specifications - HEPS consists of an accelerator and beamline stations, capable of accommodating at least 90 high-performance beamline stations, with 14 user beamlines and 1 test beamline in the first phase [4]. - It can provide X-rays with an energy of up to 300,000 electron volts [4]. Group 3: Performance and Applications - The expert review group noted that HEPS has achieved leading international performance levels for similar devices, facilitating a generational leap in China's synchrotron radiation sources [2]. - HEPS will support major national strategic needs and research in key core technologies, aiding in various fields such as engineering materials, microelectronics, new drug development, petrochemicals, energy environment, and nanomaterials [4]. Group 4: Impact on Research and Development - HEPS is described as a "super eye" for exploring the microscopic world, capable of emitting light 10 trillion times brighter than the sun, enhancing researchers' ability to understand the microstructure and evolution of materials [2]. - The project is expected to cultivate high-level talent and provide strong support for addressing major scientific challenges and technological innovations [2].
电视分辨率越高,观感越好吗
Ke Ji Ri Bao· 2025-10-30 02:33
Core Insights - The research conducted by scientists from the University of Cambridge and Meta Reality Lab reveals that the human eye has a "resolution limit," indicating that there is a maximum number of pixels that can be effectively recognized, beyond which additional pixels become redundant information [1][2] - Traditional understanding suggests that the human eye can discern about 60 PPD (pixels per degree), but experimental results show that the average resolution for black and white images can reach 94 PPD, while colored patterns show varying limits [2] Industry Implications - The findings suggest that in typical viewing scenarios, such as watching a 44-inch 4K or 8K television from 2.5 meters away, consumers may not perceive a significant difference compared to a 2K resolution television, indicating that higher resolutions may not provide a noticeable improvement in visual experience [2] - The research emphasizes the need for the display industry to focus on smarter technology that aligns with human visual characteristics rather than merely pursuing higher pixel counts, which can lead to increased costs and energy consumption [2]
第二十一届中国国际煤炭采矿技术交流及设备展览会在北京举行
Ke Ji Ri Bao· 2025-10-30 02:20
Core Insights - The 21st China International Coal Mining Technology Exchange and Equipment Exhibition is held in Beijing from October 28 to 31, focusing on "New Quality Empowerment, Intelligent Future" [1] - The exhibition showcases the latest technologies and equipment in coal mine intelligent construction, green low-carbon transformation, clean and efficient utilization, and new energy [1] - The event attracts over a thousand well-known enterprises from 17 countries and regions, covering an exhibition area of over 160,000 square meters with 11 themed exhibition halls [1]
2024年中国创新指数测算结果显示: 增长5.3%!我国科技创新能力持续提升
Ke Ji Ri Bao· 2025-10-30 01:58
Core Insights - The 2024 China Innovation Index is reported at 174.2, reflecting a 5.3% increase from the previous year, indicating a continuous enhancement in the country's technological innovation capabilities [1] Group 1: Innovation Environment - The innovation environment index, part of the overall innovation index, stands at 186.0, with a growth of 4.9% year-on-year [1] - In 2024, 137,000 industrial enterprises benefited from the R&D expense deduction policy, marking an 11.1% increase from the previous year [2] - The number of graduates in science, engineering, agriculture, and medicine reached 3.145 million, an increase of 172,000 from the previous year, representing 50.7% of the eligible population [2] Group 2: Innovation Input - Basic research funding reached 250.09 billion yuan, a 10.7% increase, accounting for 6.88% of total R&D expenditure, the highest in history [2] - Enterprises contributed 77.1% to the growth of national R&D expenditure, solidifying their role as the main force in driving R&D growth [2] - R&D expenditure for large-scale industrial enterprises was 2,254.77 billion yuan, reflecting a 7.5% increase [2] Group 3: Innovation Output - The number of invention patents granted in 2024 was 1.045 million, a 13.5% increase from the previous year [3] - By the end of 2024, the number of high-value invention patents reached 1.978 million, accounting for 42.2% of valid domestic invention patents [3] - The technology market saw 994,000 contracts with a total transaction value of 6.8 trillion yuan, representing growth of 5.1% and 11.2% respectively [3] Group 4: Innovation Effectiveness - The overall labor productivity in 2024 was 173,898 yuan per person, an increase of 4.9% year-on-year [4] - The value added by the "three new" economy reached 24.3 trillion yuan, growing by 6.7% and accounting for 18.01% of GDP [4] - Sales revenue from new products in large-scale industrial enterprises was 35.5 trillion yuan, reflecting a 3.9% increase from the previous year [4]
固态电池关键材料保持低温原因揭示 有助研发更安全、更高能电池
Ke Ji Ri Bao· 2025-10-30 01:58
Core Insights - LLZTO (Lithium Lanthanum Zirconium Oxide) is identified as a key material for solid-state batteries, maintaining exceptionally low temperatures during operation, which positions it as an ideal candidate for next-generation rechargeable batteries [1][2] - A recent study from the University of California, Riverside, reveals the reason behind LLZTO's low thermal conductivity, which is crucial for developing safer and higher energy density lithium batteries [1] Group 1: Material Properties - LLZTO is a ceramic material that serves as a solid electrolyte, offering higher energy density while significantly reducing the risks of overheating and fire [1] - The thermal conductivity of LLZTO is measured at only 1.59 watts per meter per Kelvin, approximately 1/250th that of copper, indicating that low thermal conductivity is an inherent property of the material [1] Group 2: Research Findings - The research utilized the floating zone method to grow LLZTO single crystals, which reflect the intrinsic properties of the material [1] - The study found that the presence of numerous optical phonon modes in LLZTO leads to interactions that scatter the primary heat-carrying acoustic phonons, thereby impeding thermal conduction [2] Group 3: Implications for Battery Safety - Understanding how LLZTO naturally hinders heat flow is vital for managing internal temperature changes in solid-state batteries and preventing safety risks [2] - This discovery offers new insights for atomic-level thermal regulation, aiding in predicting internal temperature distribution and improving thermal management for safer and higher-performance batteries [2]
增长5.3%!我国科技创新能力持续提升
Ke Ji Ri Bao· 2025-10-30 01:47
Core Insights - The 2024 China Innovation Index is 174.2, reflecting a 5.3% increase from the previous year, indicating a continuous improvement in the country's technological innovation capabilities [1] Group 1: Innovation Environment - The innovation environment index has shown growth across all five evaluation indicators, with a notable increase in the number of enterprises benefiting from R&D expense deductions, reaching 137,000, a rise of 11.1% [2] - The number of graduates in science, engineering, agriculture, and medicine reached 3.145 million, an increase of 172,000, accounting for 50.7% of the eligible population, highlighting the growing pool of high-quality R&D talent [2] Group 2: Innovation Input - Basic research funding reached 250.09 billion yuan, a 10.7% increase, marking the highest proportion of R&D funding at 6.88% [2] - Enterprises contributed 77.1% to the overall R&D funding growth, with large industrial enterprises' R&D expenditure at 2,254.77 billion yuan, up 7.5% [2] Group 3: Innovation Output - The number of invention patents granted reached 1.045 million, a 13.5% increase, with high-value invention patents totaling 1.978 million, representing 42.2% of valid domestic invention patents [3] - The technology market saw 994,000 contracts with a total transaction value of 6.8 trillion yuan, reflecting a 5.1% and 11.2% increase respectively, indicating improved quality and efficiency in technology transfer [3] Group 4: Innovation Effectiveness - Labor productivity increased to 173,898 yuan per person, a 4.9% rise, driven by technological advancements and resource optimization [3] - The "Three New" economy's value added reached 24.3 trillion yuan, growing by 6.7% and accounting for 18.01% of GDP [4] - New product sales revenue for large industrial enterprises was 35.5 trillion yuan, an increase of 3.9% [4]
3年打造10个行业标杆模型,推广100个示范应用场景…… 上海明确“AI+制造”发展路线图
Ke Ji Ri Bao· 2025-10-30 01:13
Group 1 - Shanghai plans to accelerate the integration of AI in manufacturing, aiming to implement smart applications in 3,000 manufacturing enterprises over three years [3][5] - The initiative includes the establishment of 10 industry benchmark models, 100 benchmark smart products, and 100 demonstration application scenarios [3][5] - The AI industry in Shanghai has seen significant growth, with a scale exceeding 270 billion yuan and a growth rate of over 30% in the first half of the year [3][4] Group 2 - Companies like Yikaida Technology are exploring the integration of AI with industrial automation, aiming to create standardized solutions for various manufacturing processes [4] - Shanghai General Welding Machine Co., Ltd. has developed an intelligent welding workstation that utilizes AI for enhanced precision in welding tasks [4][5] - The "one industry, one policy" approach is being adopted to tailor AI implementation strategies based on the specific needs of different sectors, such as electronics and automotive [5][6] Group 3 - The initiative emphasizes the deployment of industrial robots in high-risk and repetitive tasks to improve efficiency and safety in sectors like electronics and automotive [7] - Companies like Shanghai ZaiKe Intelligent Technology are leveraging AI to enhance the capabilities of industrial robots, thereby transforming production processes [7][8] - New products, such as the RuiKe MR73A and MR73B robots, have been launched, showcasing advancements in mobility and environmental adaptability [8]
我国首个智能网联汽车全价值链创新基地开工
Ke Ji Ri Bao· 2025-10-30 01:05
中国汽车技术研究中心有限公司党委书记、董事长安铁成表示,基地将聚焦"全价值链技术创新",打造 集标准与政策研究、技术研发、测试验证、监管支撑于一体的综合性科技创新平台,依托京津冀协同发 展战略优势,为智能网联汽车产业高质量发展注入强劲动能。 据介绍,中汽中心智能网联科技创新基地投资近20亿元,占地140余亩,总建筑面积约10万平方米,规 划建设智能驾驶、智能座舱、信息安全、车联网、人工智能、低空经济等领域的36个先进试验室集群。 根据规划,在标准与政策方面,该基地将支持在智能驾驶、智慧座舱、网联架构、信息安全等方面的国 内、国际标准体系建设;在技术研发方面,该基地将推进人工智能、时空数据等未来产业领域的共性技 术研发和测试能力建设;在测试验证方面,该基地将在智能驾驶领域构建适应全球法规标准的整车道 路、仿真在环一体化研发测试能力等。 科技日报讯 (记者刘园园)10月24日,中国汽车技术研究中心有限公司宣布,我国首个覆盖智能网联 汽车全价值链的综合性科技创新平台——中汽中心智能网联科技创新基地在天津正式开工。这标志着我 国智能网联汽车全价值链科技创新基础设施建设迈出关键一步,对推动我国智能网联汽车产业高质量发 ...
今年前三季度全国企业设备更新加快推进
Ke Ji Ri Bao· 2025-10-30 01:05
Group 1 - The core viewpoint of the articles highlights the significant growth in equipment procurement across various sectors, particularly in information technology and high-tech manufacturing, indicating increased investment in new productive forces [1][2] - In the first three quarters of this year, the procurement amount for machinery and equipment in the information transmission software and IT services industry increased by 26.8%, while the scientific research and technical services sector saw a 32.5% rise [1] - The overall machinery equipment procurement by industrial enterprises grew by 9.4%, with high-tech manufacturing showing a robust growth of 14% [1] - The implementation of policies aimed at boosting investment and consumption has played a crucial role in promoting equipment updates, particularly in the digitalization of enterprises, which saw an 18.6% increase in procurement [1] - Private enterprises have shown a significant role in equipment updates, with a 13% increase in machinery procurement, and specific sectors like internet and intelligent unmanned aerial vehicles experiencing growth rates of 32.8% and 70.5%, respectively [1] Group 2 - The sales data for motor vehicle invoices indicates a 30.1% year-on-year increase in new energy vehicle sales, reflecting the ongoing vitality of China's new energy vehicle industry [2] - The implementation of the vehicle trade-in policy has effectively stimulated consumer potential in the automotive sector [2]
上海明确“AI+制造”发展路线图
Ke Ji Ri Bao· 2025-10-29 23:41
Group 1: Policy and Implementation - Shanghai plans to accelerate the development of "AI + manufacturing" over three years, aiming to implement smart applications in 3,000 manufacturing enterprises, create 10 industry benchmark models, and establish around 10 "AI + manufacturing" demonstration factories [3][4] - The implementation plan encourages the development of specialized small models tailored to specific industrial scenarios, enhancing the efficiency of both large and small models in practical applications [5][6] - The plan focuses on ten key industries, including electronics, automotive, and high-end equipment, with differentiated strategies for each sector to promote AI integration [5][6] Group 2: Industry Growth and Achievements - Shanghai's AI industry has surpassed 270 billion yuan in scale, with a growth rate exceeding 30% in the first half of the year [3] - The establishment of the National Humanoid Robot Innovation Center in Shanghai marks a significant advancement in the AI and manufacturing sectors [3] - Companies like Yikaida Technology and Shanghai General Welding Machine Co., Ltd. are actively integrating AI into their manufacturing processes, showcasing the trend of AI empowering the manufacturing industry [4][5] Group 3: Robotics and Automation - The plan emphasizes the deployment of industrial robots in high-risk and repetitive work scenarios, aiming to enhance production efficiency and safety [7] - Companies such as Shanghai ZaiKe Intelligent Technology Co., Ltd. are leveraging AI to improve the capabilities of industrial robots, thereby transforming production processes and management models [7] - New products like the RuiKe MR73A and MR73B from Zhongke Xinsong Co., Ltd. demonstrate advancements in robot mobility and environmental adaptability, enhancing their application in complex industrial settings [8][9]