Ke Ji Ri Bao
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我国攻克高原铁路智能养护难题
Ke Ji Ri Bao· 2025-11-24 00:40
11月19日凌晨,在海拔2487米的云南丽香铁路拉市海站旁,一台黄蓝相间的国产新型连续式捣固稳定 车,正沿着28.5‰的长大坡道稳步前行,精准完成连续式与步进式作业试验。这是针对高海拔、大坡道 复杂工况的专项性能测试,也是我国自主研发的新一代智能大型养路机械首次向丽香铁路核心难点发起 挑战。 近年来,随着我国多条高原地区铁路建设的不断推进,高海拔、大坡道以及多坡度变化的线路环境频 现,我国完全自主知识产权的新一代智能大型养路机械应运而生。据介绍,此次试验聚焦丽香铁路 28.5‰极限坡道及12‰—28.5‰坡度变化路段,分四个天窗点,全面开展上坡、下坡及坡道变化场景下 的连续式、步进式作业测试。 "这不仅是对该装备性能的一次全方位检验,更是为后续道岔捣固车自动步进式作业积累关键数据的核 心环节。"国铁昆明局昆明工务机械段线路维修一车间副主任阳冬介绍,作业中,新一代大型养路机械 充分发挥内燃电驱牵引系统的核心优势,攻克了传统大型养路机械在高海拔地区出现的"高反"难题。它 所搭载的智能分析与控制系统,能自动识别坡道参数,实时精准调整作业设置,有效破解了长大坡道调 速控速的关键瓶颈,实现了作业效率与质量控制双提升。 ...
纤维素全碳素合成淀粉转化率提升至93.3%
Ke Ji Ri Bao· 2025-11-24 00:37
Core Insights - The research team at the Tianjin Institute of Industrial Biotechnology has made significant advancements in the field of cellulose-to-starch conversion, achieving a theoretical starch yield increase from 50% to 100% through innovative energy cycle reconstruction and enzyme stability improvements [1][2]. Group 1: Research Achievements - The team has successfully restructured the synthetic pathway for cellulose utilization, addressing the carbon loss issue and enhancing the theoretical yield of starch [1]. - By innovating glucose recovery and activation mechanisms, the team has fundamentally improved the efficiency of the conversion process [1]. - The actual conversion rate from cellulose to starch has been raised to 93.3% through systematic optimization of various factors in the reaction system [1]. Group 2: Product Characteristics and Applications - The starch produced is pure linear starch with highly controllable polymerization degrees, narrow molecular weight distribution, and superior structural uniformity compared to naturally extracted starch [2]. - This new starch has unique application potential in food, pharmaceuticals, and materials, having already been successfully applied in chiral separation fillers for efficient separation of chiral drug molecules [2].
向智跃升 向新拓展 我国“5G+工业互联网”进入规模化应用新阶段
Ke Ji Ri Bao· 2025-11-23 23:49
Group 1: Core Insights - The 2025 China 5G+ Industrial Internet Conference was held in Wuhan, focusing on the integration of the physical and digital economies through "5G+ Industrial Internet" [1] - The Ministry of Industry and Information Technology plans to implement actions for the integration of industrial internet and artificial intelligence, optimizing the industrial internet architecture and accelerating the construction of 5G factories [1][5] - Significant achievements in the automotive manufacturing sector include the establishment of the first flexible production line for 5G automotive welding, reducing new model production line adjustment time by 90% [2] Group 2: Industry Developments - 5G technology has been integrated into 86 out of 97 categories of the national economy, with over 138,000 cases and 64,000 deployed industry-specific virtual private networks [2] - China Unicom reported the establishment of 1,260 advanced 5G factories, contributing to the enhancement of traditional industries and the emergence of new business models [2] - The development of industrial 5G international standards has been led by China, with over 100 national and industry standards established [3] Group 3: AI Integration - Artificial intelligence is transforming the "5G+ Industrial Internet" landscape, enhancing efficiency across the entire value chain in industries such as automotive, pharmaceuticals, and home appliances [4] - Generative AI has improved design efficiency by over 8%, with nearly 90% of automotive companies adopting AI for operational assistance [4] - AI applications are becoming prevalent in various sectors, optimizing processes in steel production and supply chain management in the home appliance industry [4]
专家在智能新能源汽车供应链创新大会上表示:中国在全球汽车供应链中的地位加速提升
Ke Ji Ri Bao· 2025-11-23 12:10
Core Insights - China's role in the global automotive supply chain is becoming increasingly prominent, particularly in key component areas where it has become the center of global incremental automotive supply chains [1] - China's battery installation volume accounts for nearly 70% of the global total, maintaining a leading position for several consecutive years [1] - The automotive industry is undergoing unprecedented transformation, with a focus on reconstructing an open, shared, and resilient supply chain system [1] Group 1: Supply Chain Dynamics - The competition in the automotive industry fundamentally revolves around the supply chain system, with the strength of the industry being dependent on the robustness of components and the industrial ecosystem [1] - NIO emphasizes that technological innovation is essential for building core competitiveness and creating a true moat, collaborating with partners to tackle key technologies [2] - The automotive supply chain is facing challenges from shortened development cycles and demand fluctuations, with NIO having 17 partners in Huainan to reduce overall costs by 20%-30% [2] Group 2: Key Areas of Competition - Key areas of competition in the automotive supply chain include power batteries, chips, and software, which are critical for ensuring supply chain security [2] - Despite China's scale advantage in the power battery sector, challenges arise from upstream resource monopolies and rapid technological iterations [2] - The Chinese automotive chip industry is rapidly emerging, with companies like Horizon and Huawei becoming significant players, although the localization of many small chips needs to accelerate [2] Group 3: Future Outlook - The automotive supply chain is expected to evolve towards high-end, intelligent, green, and integrated directions, referred to as the "new four modernizations" [3] - By the end of the 14th Five-Year Plan, China's annual automotive production is projected to reach 40 million units, with domestic sales around 27-28 million units and overseas sales exceeding 12 million units, accounting for approximately 45% of the global total [3] - The proportion of Chinese components used in vehicles, referred to as "Chinese content," is expected to continuously increase, regardless of the vehicle's production location [3]
全国温室气体自愿减排交易市场扩容 纳入油田气领域
Ke Ji Ri Bao· 2025-11-23 10:49
Core Insights - The Ministry of Ecology and Environment has released three new methodologies for voluntary greenhouse gas emission reduction (CCER mechanism), expanding the total to nine methodologies since the mechanism's launch [1][2][3] - The new methodologies focus on the recovery and utilization of associated gas from onshore and offshore oil fields, promoting technological upgrades in the oil and gas industry for greenhouse gas reduction and resource recovery [1][2] Group 1: Onshore Gas Recovery - The "Onshore Gas Field Testing Gas Recovery Methodology" is noted for its unique "Chinese innovation" characteristics, as there is currently no market-based emission reduction incentive mechanism for such projects globally [1] - This methodology encourages the recovery of gas during testing phases for use in liquefied natural gas (LNG) and compressed natural gas (CNG), aiming to enhance recovery technology in the oil and gas sector [1] Group 2: Low-Volume Associated Gas - The "Onshore Oil Field Low-Volume Associated Gas Recovery Methodology" allows projects with associated gas production of less than 30,000 cubic meters per day to apply for CCER [2] - This methodology provides an incentive mechanism for small-scale, decentralized projects that currently lack economic feasibility, such as those in remote areas [2] - An example project in Heilongjiang with a gas source of 15,000 cubic meters per day could see its return on investment increase from 5% to approximately 8.5% with CCER benefits [2] Group 3: Offshore Gas Recovery - The "Offshore Oil Field Associated Gas Recovery Methodology" has identified four projects that collectively recover about 150 million cubic meters of gas per year, producing 32,000 tons of liquefied petroleum gas (LPG) annually [3] - A new project is expected to recover 100 million cubic meters of natural gas annually, resulting in a reduction of approximately 160,000 tons of emissions [3] - Estimated CCER revenue at 80 yuan per ton could generate an additional income of 12.8 million yuan for the project [3]
2025能源转型大会—储能分会召开 产教融合共绘储能产业新蓝图
Ke Ji Ri Bao· 2025-11-23 07:12
技术创新是本次大会的核心亮点。中国科学院院士、北京大学纳米科学与技术研究中心主任、北京石墨烯研究院院长刘忠范介绍,作为电热转换领域的杀手 锏材料,3000型蒙烯玻纤产品实现了工业级碳源替代,产品一致性提高了12%,已广泛应用于无人机、风电叶片除冰、锂电烘干等多个关键领域。中国科学 院院士、中国石油大学(北京)重质油全国重点实验室主任徐春明介绍了储能平台石墨烯复合电池生产线、绿电—绿氢—合成氨过程耦合等技术突破,基于 碳布电极的500kW 铁铬液流电池储能模块及装备入选国家能源局能源领域首台(套)重大技术装备名单,引领低成本长时储能发展。华北电力大学能源电 力创新研究院执行院长、国家储能技术产教融合创新平台(华北电力大学)常务副主任徐超介绍,华北电力大学国家储能技术产教融合创新平台目前已经建 成电堆全堆测试台、电化学储能材料与器件实验室、氢氨燃烧实验室等,下一步将形成"源网荷储"一体化工程试验系统,带动相关产业产值超过10亿元。天 津津通华电气集团有限公司介绍了新能源风光充结合储能的全方位系统性应用,中国石化润滑油有限公司分享了石化行业技术在新型储能上中下游的全要素 解决方案。圆桌会议则针对产教融合下长时储能+ ...
刚刚,发射成功!
Ke Ji Ri Bao· 2025-11-21 17:07
Core Points - The Long March 3B rocket successfully launched the Communication Technology Test Satellite No. 21 into its designated orbit on November 21 at 18:55 [2][4] - The satellite is primarily used for satellite communication, broadcasting, television, and data transmission, and will conduct related technology testing and verification [2] - This mission marks the 609th launch of the Long March series of rockets [4]
【科技日报】2025年两院院士增选结果揭晓 144位专家当选
Ke Ji Ri Bao· 2025-11-21 06:34
Core Points - The Chinese Academy of Sciences and the Chinese Academy of Engineering announced the results of the 2025 academician elections, electing 73 academicians for the former and 71 for the latter [1][2] - The average age of newly elected academicians is 57.2 years, with 67.1% being 60 years old or younger, and 5 female scientists among the new members [1][2] - The election emphasizes contributions, academic level, and moral integrity, focusing on frontline researchers and key fields needed by the country [2] Group 1: Chinese Academy of Sciences - 14 new academicians in the Mathematics and Physics Division, 11 in Chemistry, 13 in Life Sciences and Medicine, 9 in Earth Sciences, 11 in Information Technology, and 15 in Technical Sciences [1][2] - The total number of academicians in the Chinese Academy of Sciences now stands at 908 [1] Group 2: Chinese Academy of Engineering - New academicians include 11 from Mechanical and Transportation Engineering, 9 from Information and Electronic Engineering, 10 from Chemical, Metallurgical and Materials Engineering, 12 from Energy and Mining Engineering, 7 from Civil, Hydraulic and Architectural Engineering, 6 from Environmental and Light Textile Engineering, 8 from Agriculture, and 8 from Medicine and Health [1][2] - Notable new members include experts from leading private technology companies like CATL and BYD, as well as specialists from remote western regions [1][2]
中国新型储能产业创新联盟2025年度大会在湖北武汉举办
Ke Ji Ri Bao· 2025-11-21 04:51
Core Insights - The 2025 Annual Conference of the China New Energy Storage Industry Innovation Alliance was held in Wuhan, focusing on long-duration energy storage technology innovation and new pricing mechanisms for energy storage [1] - The conference aimed to address challenges in the energy storage industry, such as high costs, profitability issues, and insufficient sustainable development momentum [1][2] - China Energy Construction Group has made significant breakthroughs in the energy storage sector, including the construction of the world's first 300 MW compressed air energy storage power station [2] Group 1 - The conference attracted nearly 300 representatives from various energy and storage sectors, including academicians and experts [1] - The theme of the conference was "A New Era of Energy Storage, Long-Duration New Blue Ocean," emphasizing sustainable development paths for new energy storage [1] - Several technical innovations were presented, including solutions for artificial cavern systems and green hydrogen-ammonia systems [1] Group 2 - China Energy Construction Group has successfully established itself as a leader in innovative energy storage technologies, with projects like the 300 MW compressed air energy storage station in Hubei [2] - The company aims to foster collaboration among various stakeholders, including international energy storage organizations, to promote Chinese standards and technologies globally [2] - The conference also featured the release of a popular science book on new energy storage, highlighting the importance of education and awareness in the industry [1]
【科技日报】植物内生微生物资源专业库授牌
Ke Ji Ri Bao· 2025-11-21 01:16
Core Viewpoint - The establishment of the "Plant Endophytic Microbial Resource Professional Library" aims to enhance the protection and efficient utilization of microbial resources, contributing to a national microbial resource preservation and sharing system [1][2] Group 1: Collaboration and Objectives - A cooperation agreement was signed among Hunan Academy of Agricultural Sciences, Yuelu Mountain Laboratory, and the Institute of Microbiology, Chinese Academy of Sciences to jointly build the professional library [1] - The initiative is the first large-scale professional library in the country, focusing on plant endophytic microorganisms [1] - The collaboration will leverage each party's strengths in fundamental research, application development, and industrial promotion through resource sharing and collaborative innovation [1] Group 2: Agricultural Implications - Microorganisms play a significant role in agriculture, with potential applications in crop resistance, post-harvest preservation, and food flavor enhancement [1] - The development of green preservatives and bioprocessing aids based on plant endophytic microorganisms can significantly increase the added value and market competitiveness of agricultural products [1] - Researchers will utilize the national platform to systematically screen microbial strains with functions such as growth promotion, pest control, disease resistance, and herbicide action [2]