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资源化利用二氧化碳有了新“膜”法
Ke Ji Ri Bao· 2025-10-29 03:38
Core Insights - The research team at Nankai University has made significant advancements in the field of acidic membrane electrode electrocatalytic carbon dioxide reduction by innovatively using porous membranes instead of traditional ion exchange membranes, achieving high selectivity and long-term stability in CO2 conversion [1][2] Group 1: Research Findings - The new porous membrane system demonstrated a Faradaic efficiency of 85% for carbon monoxide at a current density of 400 mA/cm², significantly higher than the less than 20% efficiency of ion exchange membrane systems [2] - In a continuous operation test lasting 200 hours, the system maintained a nearly 100% proportion of carbon monoxide in the CO2 reduction products, with minimal by-products and no salt precipitation [2] - The technology showed good scalability and industrial application potential, as it remained stable for over 120 hours in a 100 cm² large-scale electrolyzer, with approximately 90% carbon monoxide proportion [2] Group 2: Implications for Industry - The results provide a new membrane usage and design strategy for acidic membrane electrode CO2 reduction electrolyzers, laying the groundwork for the future synthesis of high-value carbon-based fuels and chemicals [2] - The research team aims to further optimize electrode interface design and actively promote the industrialization of CO2 electrolysis technology [2]
我国光刻胶领域研究取得新突破
Ke Ji Ri Bao· 2025-10-29 02:18
Group 1: Lithography Technology and Research Findings - Lithography technology is a core driver for the continuous miniaturization of integrated circuit chip manufacturing processes [1] - A research team led by Professor Peng Hailin from Peking University has utilized cryo-electron tomography to analyze the microscopic three-dimensional structure and entanglement behavior of photoresist molecules in a liquid phase environment [1] - This research has resulted in a significant reduction of lithography defects, which is crucial for improving yield rates in advanced processes below 7nm [1] Group 2: Electronic Chemicals Industry and Conference Announcement - The electronic chemicals industry is highly competitive, with China being the largest manufacturer of electronic products, yet it heavily relies on imports for high-end products [3] - A conference titled "2025 Wet Electronic Chemicals and Electronic Gases High-end Development Conference" is scheduled to be held from November 20-22, 2025, in Fushun County, Sichuan Province [3][5] - The conference aims to enhance the manufacturing level and application of wet electronic chemicals, fostering deep integration of industry, academia, and research [3] Group 3: Conference Agenda and Participation - The conference will feature keynote speeches on topics such as engineering innovation in electronic chemicals, the current state and trends of electronic chemicals for integrated circuits, and the challenges and opportunities in the wet electronic chemicals manufacturing system [5][6] - Participants will include industry experts, production enterprises, and representatives from the electronic gas and packaging sectors [8] - The conference fee is set at 2000 yuan per person, with additional costs for accompanying enterprises [9]
世界城市日中国主场活动开幕
Ke Ji Ri Bao· 2025-10-29 00:47
Core Viewpoint - The 2025 World Cities Day main event in China, held in Chongqing, focuses on the theme "People's City, Smart Future," emphasizing digital empowerment for urban development and sustainable practices [1] Group 1: Urban Development and Policy - The Chinese government adheres to the development philosophy of "People's City built by the people, for the people," viewing cities as organic systems to achieve historical development milestones [1] - Urbanization levels have significantly increased, with the urban population reaching 940 million, and 19 city clusters accommodating 75% of the national population while contributing 85% of the GDP [1] - The number of cities with a GDP exceeding 1 trillion has reached 27, indicating substantial economic growth in urban areas [1] Group 2: Urban Governance and Innovation - There has been a marked improvement in urban planning, construction, and governance, with advancements in scientific, refined, and intelligent urban management [1] - The event also introduced the 2025 edition of the "Shanghai Manual - 21st Century Urban Sustainable Development Guide" and the "Chongqing Initiative" for global urban development [1]
火车“大力士”有了“智慧检修医院”
Ke Ji Ri Bao· 2025-10-29 00:47
在黑龙江省哈尔滨大功率机车检修段组合库内,智能检修机器人"手持"焊枪,在HXN5型机车轴箱 上喷射炽蓝焊焰,15分钟便完成了一组轴箱衬板的更换任务。与人工作业相比,工作时间压缩近一倍。 HXN5型机车功率大,牵引力是普通东风4型机车的两倍,也被称为火车头中的"大力士",主要应 用在我国甘钟铁路、乌准铁路,承担煤炭、矿建等重点物资运输。随着全国煤炭需求量增大,"大力 士"上线率高,使用频繁。为提高"大力士"机车检修效率和标准,中国铁路哈尔滨局集团有限公司日前 为"大力士"配备了"智慧检修医院",推动了一系列智慧检修场景的落地。 车轮"CT": 10分钟检测缺陷 10秒钟判断扭矩是否达标 柴油机的检修质量直接关系到整台机车的运行安全,而连杆螺栓的紧固力矩控制更是关键中的关 键。以往,这项工作依赖人工测量,容易出现力矩不足或过量紧固的情况。小小的螺栓一旦在运行中松 动脱落或折断,就可能导致柴油机出现严重破损。 哈尔滨大功率机车检修段根据和谐型内燃机车检修特点,与设备厂家联合定制柴油机扭矩管理系 统,推动智慧扭矩检修场景落地。 在柴油机组装区,正在对连杆螺栓进行紧固工作的内燃机车钳工李占宇,轻转连杆扳手,电子屏上 便 ...
“机器人总动员”走进现实
Ke Ji Ri Bao· 2025-10-29 00:47
Group 1: Robotics in Food Industry - The application of cooking robots in restaurants allows for the preparation of various dishes in just 3-5 minutes, covering eight major cuisines and enhancing operational efficiency for restaurant owners [2][4] - The "Robot + Recipe Program + Smart Kitchen Management System" model creates a win-win situation for restaurant operators, consumers, and chefs by reducing costs and ensuring fresh meals [2] - A robot bartender can accurately mix drinks by selecting ingredients and performing shaking and stirring tasks, showcasing the versatility of robotics in food service [3] Group 2: Robotics in Agriculture - Robots designed for apple picking can navigate complex environments and accurately harvest fruit, with future models targeting different heights for optimal efficiency [5] - The "Greenhouse Bumblebee" robot mimics the pollination process of bumblebees, achieving a 98% success rate in pollination while reducing costs to 30% of traditional methods [6][7] - The integration of visual recognition and multi-sensor navigation in agricultural robots enhances their functionality and effectiveness in crop management [7] Group 3: Robotics in Healthcare and Elderly Care - The rise in demand for elderly care services has led to the development of rehabilitation robots that assist patients with mobility issues, providing support and promoting muscle memory [8] - Massage therapy robots can automate the massage process, adjusting techniques based on user preferences and body data, thus improving service quality in elderly care [9] - The use of robotics in healthcare settings addresses the challenges of high service costs and low standardization, offering efficient and precise care solutions [8]
数字时代别落下银发一族
Ke Ji Ri Bao· 2025-10-29 00:47
Core Viewpoint - The article emphasizes the importance of addressing the digital divide faced by the elderly population in China, particularly as the country moves towards a more digital society. It highlights the need for both technological advancements and human-centered services to ensure that older adults are not left behind in the digital age [1][2][3]. Group 1: Demographics and Challenges - By the end of 2024, the elderly population aged 60 and above in China is expected to exceed 310 million, accounting for 22% of the total population, with those aged 65 and above surpassing 220 million, representing 15.6% [1]. - The article points out that many elderly individuals face challenges such as complicated online payment processes and difficulties in using digital services, which can lead to feelings of exclusion [1]. Group 2: Policy and Initiatives - The Chinese government has introduced various policies aimed at preserving traditional service methods while promoting the adaptation of internet applications and mobile services for the elderly [1]. - Over 3,000 websites and apps have undergone modifications to become more accessible for older users, helping them bridge the "digital divide" [1]. Group 3: Recommendations for Improvement - Public spaces should retain traditional service methods, such as having human counters in places like train stations and hospitals, to assist elderly individuals who may struggle with digital tools [2]. - Digital products should be designed for simplicity, allowing for quick and easy operations, with options for "senior versions" of applications to enhance usability [2]. - Elderly individuals are encouraged to actively engage with digital tools, supported by community initiatives and educational programs to help them overcome psychological barriers to technology use [2].
热敏灸机器人获批上市
Ke Ji Ri Bao· 2025-10-29 00:47
Core Viewpoint - The heat-sensitive moxibustion robot has received Class II medical device approval in Jiangxi Province, showcasing an innovative integration of traditional Chinese medicine and modern AI technology [1] Group 1: Technology and Innovation - The heat-sensitive moxibustion technology is an original innovation developed by Professor Chen Rixin's team at Jiangxi University of Traditional Chinese Medicine, which won the National Science and Technology Progress Award (Second Class) in 2015 [1] - The robot incorporates three unique functional advantages: 1. It includes 28 effective moxibustion schemes that enhance the efficacy of acupuncture points, allowing for quick and prolonged effects [1] 2. It features a variable frequency moxibustion function that enhances comfort and stimulates the body's self-healing potential [1] 3. It utilizes a self-developed dual-point moxibustion device that can adjust distance and phase, enabling precise treatment of bilateral acupuncture points for different individuals [1] Group 2: Efficiency and Effectiveness - The heat-sensitive moxibustion robot can perform precise moxibustion for extended periods without interruption, maintaining sufficient treatment time and significantly improving the efficiency and effectiveness of the therapy [1]
电网智能研判场景在新疆多点落地
Ke Ji Ri Bao· 2025-10-29 00:47
传统配网故障抢修场景依赖人工巡线排查故障点,耗时长、效率低。此次推广的电网智能研判场景 依托"电网一张图"、电网资源业务中台及企业级实时量测中心建设。在电网智能研判场景下,智能研判 系统能够基于调度自动化、配电自动化、用电信息采集等系统的多源数据,根据设备拓扑结构智能分析 停电影响范围、停电时间、定位故障点,并为抢险指挥提供自动分析结论。 10月27日,记者从国网新疆电力有限公司获悉,电网智能研判场景已在新疆乌鲁木齐、吐鲁番、巴 音郭楞蒙古自治州、哈密等4家试点供电公司全面推广落地,实现配网故障"全景感知、自动研判、主动 抢修",故障响应效率与供电可靠性显著提升。 据试点单位反馈,在近期一次故障中,电网智能研判系统仅用不到3分钟便自动锁定停电范围,较 传统人工排查提速90%,抢修人员通过系统推送的工单快速抵达现场,用户平均停电时长缩短至45分 钟,较以往减少近一半。 据悉,下一步,国网新疆电力有限公司将重点加强对医院、学校、居民小区等单位的停电预警能 力,进一步丰富电网智能研判场景。据测算,在全疆推广电网智能研判场景后,新疆配网故障研判准确 率将稳定保持在95%以上,平均抢修时长有望再压缩30%,每年将减少因 ...
科技加持,卒中治疗突破瓶颈
Ke Ji Ri Bao· 2025-10-29 00:47
Core Viewpoint - The rising incidence of stroke presents a severe challenge for prevention and treatment, necessitating innovative solutions such as AI and brain-machine interfaces to improve patient outcomes [1][6]. Group 1: Stroke Overview - Stroke, commonly known as "cerebrovascular accident," is a leading cause of death and disability in China, characterized by high incidence, recurrence, disability, mortality, and economic burden [1]. - Clinical classifications of stroke include ischemic stroke (e.g., cerebral infarction) and hemorrhagic stroke (e.g., intracerebral hemorrhage), both of which significantly impact daily life and require urgent medical intervention [1]. Group 2: AI in Stroke Treatment - AI technology can extend the "golden time window" for treating ischemic stroke patients, which is critical for improving survival and recovery rates [2]. - The integration of AI in medical imaging systems allows for rapid analysis and decision-making, significantly enhancing the speed and accuracy of stroke diagnosis [3]. - AI can identify salvageable brain tissue, aiding in timely interventions that can prevent further brain damage [3]. Group 3: Brain-Machine Interfaces - Brain-machine interfaces (BMIs) enable stroke patients to regain movement through thought control, representing a revolutionary advancement in rehabilitation [6]. - Recent developments in invasive and non-invasive BMIs have shown promise in restoring motor functions for stroke patients, with successful clinical trials conducted in several hospitals [7]. - Challenges remain for widespread clinical application of BMIs, including signal stability, individual variability, and the need for more robust clinical data [7]. Group 4: Emerging Technologies - In addition to AI and BMIs, other emerging technologies such as nanorobots for thrombectomy and smart wearable devices for real-time monitoring are being explored to enhance stroke care [8]. - The future of stroke prevention and treatment is expected to evolve into a new era of "multi-modal integration and precision intervention" [8].
博士后的“金点子”加速落地
Ke Ji Ri Bao· 2025-10-29 00:47
【加速科技成果转化】 杨峰说,随着双方合作的深入,后期他们还考虑通过专利许可、技术转让、技术入股等方式,进一 步推动成果"落地生金"。 记者了解到,本届揭榜领题赛项中,总计发布技术需求766项,报名揭榜方案894个。针对产业发展 关键核心技术攻关和共性难题,大赛设置7个赛道,涵盖高端装备制造与机器人、新能源与节能环保、 新一代信息技术与人工智能等。 "从参赛到现在,短短5个月,我们已经与企业达成了技术委托开发合作意向,即将获得100万元的 投资。"在第三届全国博士后创新创业大赛现场,大连理工大学博士后杨峰告诉记者,研究成果转化如 此顺利,令团队喜出望外。 10月26日到28日,第三届全国博士后创新创业大赛在福建泉州举行,吸引了来自海内外的8006个博 士后项目(方案)报名。这些项目中,成功转化的成果数量十分可观。仅就泉州晋江一地,晋江市市长 王明元透露,晋江企业发出71项关键技术需求,其中61项成功揭榜,揭榜率超过85%。 "大赛搭建的校企交流桥梁,是我们成功转化的有力推手。"杨峰道出转化"秘方"。 实验室里的科技成果如何成功走上"生产线",创造社会经济价值?这是一项难题。缺少转化经验、 不了解市场需求、没有 ...