11月4日，全球首款浮筒式双座水上电动飞机RX1E-S在北京延庆世园国际旅游度假区水上飞机码头开展 北京妫水河流域、河北怀来官厅水库全水域巡查。这款由中国工程院院士杨凤田团队研发的绿色装备， 将延庆区水域巡查工作由原来的两天缩短至5分钟，将官厅水库238平方公里的巡查工作缩短至20分钟， 执法效率大幅提升。 据介绍，这款绿色装备由中国工程院院士杨凤田团队研发、北京锐翔通用航空有限公司推出，具备零排 放、低噪音、运行成本低的核心优势。其水面起飞距离237米，最大起飞重量650千克，正常巡航速度 120千米/小时，最大巡航速度可达157千米/小时，正常续航1.5小时。 自投入使用以来，RX1E-S已覆盖延庆至河北区域800平方公里重点水域。过去6个月，其累计飞行221小 时，精准发现多起违法捕捞行为。"飞行时'稳'且'静'，能清晰观察水面动向，空中俯瞰无视线遮 挡。"拥有9年通航飞行经验的机长王明阳表示，该机型为渔政巡查精准定位与取证提供有力支撑。 （文章来源：科技日报） 作为北京市唯一民用无人驾驶航空试验区，延庆区通过政策引导、资源配置等全流程保障，于2024年8 月推动北京氢能通用航空创新研究院落地，并依托八 ...

Group 1: Technological Advancements in Manufacturing - The AI quality inspection system developed by Fujian Fubusi and Huawei processes 60 frames of images per second, enabling 100% automated inspection in textile manufacturing, significantly improving efficiency and product quality [1] - China CRRC's high-speed train gearboxes are now assembled with micron-level precision, achieving "zero defects" through extensive optimization of assembly processes, surpassing international standards [2] - The C919 aircraft project has established a comprehensive quality control system covering design, manufacturing, and testing, resulting in over a thousand orders and showcasing China's high-end manufacturing capabilities [3] Group 2: Quality Transformation in Manufacturing - The integration of AI and industrial internet technologies in factories, such as SANY Heavy Industry, has led to significant improvements in manufacturing quality through real-time data analysis and process optimization [5][6] - The national quality infrastructure has been strengthened, with over 13,000 national standards approved during the 14th Five-Year Plan, enhancing China's role in global industrial standards [3] Group 3: Brand Development and Global Expansion - BYD has achieved significant growth in the global electric vehicle market, with a 240% year-on-year increase in overseas deliveries, driven by innovative battery technology [8] - The number of Chinese brands in the World Brand 500 has increased from 40 in 2019 to 73 in 2024, reflecting the growing international influence of "Chinese manufacturing" and "Chinese quality" [10] Group 4: Policy and Strategic Goals - The "Quality Power Construction Outline" aims to establish a number of high-quality Chinese brands by 2025, with a focus on innovation and brand excellence [9] - The National Market Supervision Administration emphasizes the importance of technological independence and innovation in building a robust national quality infrastructure [10]

Core Insights - The Guangxi Academy of Agricultural Sciences celebrated its 90th anniversary, highlighting its evolution from a small agricultural testing site to a leading agricultural research institution in China, focusing on food security and specialty crops [1][2] Group 1: Achievements and Contributions - The academy has developed key agricultural technologies and high-quality crop varieties, significantly contributing to the agricultural innovation in Guangxi, which is crucial for local farmers' income [1][2] - Notably, Guangxi produces two-thirds of China's sugar, with the academy responsible for developing two generations of the main sugarcane varieties since the establishment of New China, including "Guitang 11," which occupies 50% of the national planting area [1][2] - The academy has introduced numerous successful crop varieties, including "Guizhou 99" rice and "Guizhou 6" banana, with over 856 varieties recognized at provincial levels and 1,280 patents granted since 1978 [2] Group 2: Technological Innovations - The academy has pioneered various agricultural techniques, such as the "two migrations" pest warning system for rice, and efficient sugarcane cultivation methods, enhancing productivity and sustainability in agriculture [2] - It has established 1,334 technology demonstration sites and provided services to 2,381 agricultural enterprises and cooperatives, emphasizing the practical application of research outcomes [2] Group 3: Future Directions - The academy aims to continue leading agricultural technology innovation in Guangxi, contributing to national food security and rural revitalization, as well as supporting the Belt and Road Initiative [3]

Core Insights - The research published in the journal "Nature" confirms that the adenosine signaling pathway is a common core mechanism for the rapid antidepressant effects of ketamine and electroconvulsive therapy (ECT), providing a clear target for developing safer and more effective depression treatments [1][2] Group 1: Research Findings - Approximately one-third of treatment-resistant depression patients do not respond well to traditional medications, highlighting the need for effective interventions like ketamine and ECT, which have known efficacy but also significant side effects [1] - The research team utilized genetically encoded adenosine probes and fiber photometry to monitor adenosine levels in the brains of mice, discovering that both ketamine and ECT rapidly and persistently elevated adenosine levels in key brain regions associated with emotional regulation [1][2] - The study identified that the adenosine A1 and A2A receptors are essential for the antidepressant effects, as their knockout or blockade resulted in the complete loss of the antidepressant effects of both therapies [1] Group 2: Mechanism Exploration - Ketamine was found to directly inhibit the mitochondrial tricarboxylic acid cycle, regulating cellular energy metabolism and increasing intracellular adenosine reserves, which are released extracellularly, independent of the traditional NMDA receptor inhibition mechanism [2] - A ketamine derivative, deketamine, was developed, showing stronger antidepressant efficacy and weaker side effects related to motor hyperactivity [2] - The proposed "intermittent hypoxia intervention" can safely induce adenosine release in the brain, achieving rapid antidepressant effects in depression model mice [2] Group 3: Collaborative Efforts and Future Directions - The research was led by the laboratory of Luo Minmin, in collaboration with the Changchun Institute of Applied Chemistry and Peking University, addressing a long-standing mystery in the field of antidepressant mechanisms [2] - This study paves the way for transitioning rapid antidepressant therapies from empirical use to precision medicine, laying a solid foundation for the development of small molecule new drugs and non-drug intervention techniques [2] - Clinical trials for related non-drug therapies have already commenced, with expected phased results by 2026 [2]

Core Insights - Gansu Province's Pingliang City has successfully discovered a large magnesium limestone deposit with a total resource volume of 700 million tons, marking a significant breakthrough in mineral exploration in the region [1] Group 1: Mineral Discovery - The magnesium limestone deposit is located in the Zhuangmatai area of Pingliang City, with exploration efforts funded by provincial, municipal, and county-level finances since 2000 [1] - The deposit is characterized by five layered magnesium limestone bodies with an average MgO grade of 20.67%, indicating high-quality magnesium limestone [1] Group 2: Mining Characteristics - The deposit features large scale, shallow burial, gentle dip, and stable thickness, making it advantageous for open-pit mining [1] - Exploration methods included geological mapping, drilling, systematic sampling, and research on ore processing technology, which clarified the deposit's characteristics and mining conditions [1] Group 3: Resource Utilization - The estimated amount of magnesium limestone ore within the open-pit mining boundary exceeds 700 million tons, along with over 300 million tons of limestone for construction purposes [1] - The magnesium limestone is not only a crucial raw material for magnesium metal smelting but also has significant potential for use in refractory materials, metallurgical flux, glass, and ceramics [1]

Core Insights - Rare earth elements are essential strategic resources in high-tech fields such as artificial intelligence, renewable energy, and national defense, but traditional mining methods cause significant environmental damage [1][2] - A study published in the journal "Environmental Science & Technology" reveals that the plant "Osmunda japonica" can accumulate rare earth elements and form a mineral called "lanthanite," marking the first observation of biogenic mineralization of rare earths in natural plants [1][4] Group 1 - The research team discovered that "Osmunda japonica" acts as a "rare earth vacuum cleaner," efficiently absorbing and concentrating rare earth elements from the soil [1][4] - The process involves the precipitation of rare earth elements in the form of nanoparticles within the plant's vascular bundles and epidermal tissues, which then crystallize into phosphate rare earth minerals [1][4] - This mechanism serves as a protective strategy for the plant, effectively "packaging" toxic rare earth ions into mineral structures, thus detoxifying them [1][4] Group 2 - The biogenic lanthanite formed by "Osmunda japonica" is pure and free of radioactive elements, presenting a promising green extraction potential compared to traditional mining methods [2][4] - The study highlights the previously underestimated mineralization capabilities of plants, opening new avenues for research on nearly a thousand known hyperaccumulating plant species [4] - The findings suggest a sustainable approach to rare earth resource utilization, where planting hyperaccumulating species like "Osmunda japonica" can aid in soil remediation while recovering valuable rare earths, achieving a green circular economy [4]

Core Insights - The article highlights the transformation of traditional customs supervision at Tianjin Port through the implementation of advanced technologies, enhancing the efficiency of foreign trade operations [1][2][3] Group 1: Technological Advancements - The "Intelligent Inspection Assistant" significantly improves customs clearance efficiency by automating the inspection process and providing real-time guidance to customs officers [2][3] - The integration of a three-dimensional machine vision monitoring network allows for comprehensive real-time monitoring of port activities, reducing the need for manual oversight [4][5] Group 2: Operational Efficiency - The new customs inspection methods have reduced the time required for inspections from at least 30 minutes to under 10 minutes, streamlining the overall process [2][3] - The implementation of smart logistics platforms has optimized port operations, enabling the identification and management of containers based on their status and contents [4][6] Group 3: Risk Management - The establishment of intelligent risk identification models allows for effective monitoring and early warning of potential issues, such as abnormal container activities [5][6] - Recent inspections have successfully intercepted illegal goods, demonstrating the effectiveness of the new monitoring systems in safeguarding national biosecurity [5] Group 4: Future Directions - Tianjin Customs plans to continue enhancing its "smart customs" initiatives, focusing on balancing efficient service delivery with risk prevention to support high-quality foreign trade development [6]

Core Insights - The 15th National Games featured the first marathon swimming event held in open sea conditions, presenting unique challenges for athletes and organizers [1][3] - Meteorological services played a crucial role in ensuring the safety and fairness of the event, utilizing advanced technology for real-time monitoring and forecasting [3][5] Meteorological Services - The event required precise weather conditions, with suitable wind speeds under 5 m/s and water temperatures between 12°C and 32°C [3][4] - The Shenzhen Meteorological Bureau provided a modernized meteorological service system, ensuring a safe environment for the competition [3][5] - Historical climate data was analyzed, confirming a 60% probability of suitable wind conditions during the event [3][5] Technological Innovations - The meteorological team employed artificial intelligence and advanced forecasting models to predict weather patterns accurately, which was critical for event planning [5][6] - A comprehensive meteorological observation system was established, integrating satellite monitoring and high-precision observation networks to support decision-making [5][6] Event Management - The meteorological team conducted on-site assessments and provided real-time weather updates to the event organizers, ensuring that conditions remained favorable for the competition [4][5] - The successful execution of the marathon swimming event demonstrated the effectiveness of meteorological technology in supporting major sporting events [5][6]

Core Insights - The High Energy Photon Source (HEPS) has passed its process acceptance, marking it as China's first high-energy synchrotron radiation source and Asia's first fourth-generation synchrotron radiation source [1][2] - The expert review panel acknowledged that HEPS has achieved leading international performance among similar devices, representing a generational leap in China's synchrotron radiation sources [1] - HEPS is designed to emit light 10 trillion times brighter than the sun, enabling researchers to better explore the microscopic world and understand the structure and evolution of materials [1] Project Overview - The HEPS project was officially launched in June 2019 and has been constructed by the Institute of High Energy Physics, Chinese Academy of Sciences [2] - After over six years of construction, the project has successfully completed the tasks approved by the National Development and Reform Commission [2] Technical Specifications - HEPS consists of two main components: an accelerator and beamline stations, capable of accommodating at least 90 high-performance beamlines [1] - The first phase includes the construction of 14 user beamlines and one test beamline, providing X-rays with an energy of up to 300,000 electron volts [1] Applications and Impact - HEPS is expected to support national strategic needs and enhance industrial core innovation capabilities, facilitating advancements in various fields such as engineering materials, microelectronics, new drug development, petrochemicals, energy environment, and nanomaterials [1]

（原载于《科技日报》 2025-11-06 02版） 在这项研究中，科研人员基于在喜马拉雅东部南迦巴瓦地区新布设的宽频带地震台站数据，首次清 晰刻画了该区域地下结构的特征。他们发现，印度板块地壳与地幔分界的莫霍面自南向北延伸，以较缓 的角度一直俯冲至拉萨地体下方。同时，作为关键构造的"主喜马拉雅逆冲断裂"在这里呈现为一种"斜 坡"形态。应力分析结果表明，该区域地壳正遭受强烈的南北向水平挤压。 "这些发现共同揭示，印度板块的低角度俯冲以及由此引发的地壳强烈缩短挤压，是驱动喜马拉雅 东部地震发生与地表持续抬升的关键因素。"论文第一作者兼通讯作者、中国科学院青藏高原研究所研 究员白玲说。 记者5日从中国科学院青藏高原研究所获悉，基于喜马拉雅山脉东部宽频带地震台站获取的最新数 据，该所科研人员发现，印度板块正以低角度俯冲至青藏高原之下，这一过程强烈挤压地壳，是控制喜 马拉雅东部地震活动和山脉隆升的关键机制。相关研究成果在线发表于《国家科学评论》。 喜马拉雅山脉作为全球最典型的活动造山带之一，其形成与演化一直备受地学界关注。过去研究多 集中于山脉中段，而在喜马拉雅东部，是否存在类似结构、其形态如何，长期缺乏明确认识。 ...