在一片绿油油的蔬菜试验田里，无人耕整装备精准翻耕，无人收获机高效采收白萝卜、大白菜等作物。 这不是未来农业的科幻场景，而是日前记者在全国首个生产型大白菜无人农场看到的真实画面。 根茎类蔬菜收获区更显热闹。白萝卜、胡萝卜专用收获机"张开大口"，精准夹住萝卜缨叶，轻松将其从 土壤中拔出，松土、扶叶、夹拔、输送、切缨等工序一次性完成。切缨后的萝卜直接被传送至运输机器 人上，实现收获与转运全自动衔接。相较传统人工方式，单台收获机作业效率相当于50名劳动力，大幅 降低人工投入。 在白菜收获区，全国首台纯国产的大白菜无人收获机亮相。该机通过北斗定位与视觉精准对行系统，自 动识别白菜位置，平稳执行扶正、抱球、切割、传送等采收动作，实现大白菜精准有序采收，作业过程 安全高效、秩序井然。 "太舟坞示范区通过物联网、无人农机与智能管理系统的深度融合，实现了大白菜、胡萝卜等主要露地 蔬菜全程机械化、少人化生产，显著提升了作业效率，降低了用工成本。"北京市农林科学院副院长杨 国航表示，全国首个生产型大白菜无人农场是该院"奇稷智慧农场"系列的重要组成，标志着智慧农 业"北京模式"在全国蔬菜领域率先落地，为蔬菜产业高质量发展提供了新路径 ...

科技日报记者 夏天一 通讯员 甘欣鑫 记者近日从中铝国际昆明有色冶金设计研究院（以下简称"昆明院"）获悉，由该院牵头完成的"刚果 （金）低品位复杂铜钴伴生矿绿色高效冶炼关键技术及应用"项目通过中国有色金属工业协会组织的科 技成果评价，整体技术达到国际领先水平，标志着我国在复杂矿产资源绿色冶炼领域取得重要突破。 昆明院副总经理张春生介绍，低品位、高复杂性氧化铜钴矿的高效利用一直是行业难题。项目团队创新 研发并集成了"原矿吸酸—强化还原浸出—多段逆流浸出—高效萃取—节能电积—智能检测—多金属回 收"全流程关键技术及专用装备体系，成功攻克了有价元素综合回收率低、能耗高、环境友好性差等瓶 颈，实现了铜、钴等战略金属的绿色高效提取。 据悉，目前该技术已在刚果（金）成功实现产业化应用，建成年产4万吨及2.5万吨阴极铜的生产线各一 条，并实现长期稳定运行。项目累计创造经济效益数亿元，展现出优越的技术适应性和推广前景。 ...

Core Insights - The Huadian Qiongjie Wind Power Project has officially connected to the grid, making it the highest operational wind power project in the world at an altitude of 5,370 meters [1][4] - The project has a total installed capacity of 60 megawatts, consisting of 11 units of 5.0 megawatts and 1 unit of 6.25 megawatts, along with a supporting energy storage system of 12 megawatts/48 megawatt-hours [1][4] - It is estimated that the project will provide clean electricity to approximately 120,000 households annually, reducing carbon dioxide emissions by 128,700 tons per year [1][4] Project Challenges and Innovations - Constructing a wind farm at altitudes above 5,000 meters presents significant engineering challenges, including low oxygen levels (57% of that at sea level) and temperature fluctuations exceeding 20 degrees Celsius [4] - The construction team implemented various technical innovations, such as optimizing concrete mixtures and using a "film + blanket + colored cloth" gradient insulation method to ensure concrete strength in low temperatures [4] - The project also utilized a single-blade hoisting technique for the first time in ultra-high-altitude areas, which saved approximately 66% of the operational space required compared to traditional methods [4] Environmental and Economic Impact - The project has restored 360,000 square meters of vegetation and laid down 120,000 square meters of protective netting, demonstrating a commitment to ecological protection [4] - Local communities have benefited economically, with direct income increases of over 3.6 million yuan and an additional 11 million yuan generated for local industries through land leasing, participation in construction, and skills training [4][5] - The project embodies the principles of "system-friendly, eco-friendly, and community-friendly," contributing to the reliability of the power grid through a combination of equipment selection, energy storage, and intelligent control systems [5]

Core Insights - The recent housing technology exhibition in Beijing showcased innovations in green and smart building technologies, emphasizing the theme of "Technology Empowering Good Housing and Industrial Upgrading Promoting New Development" [1] Group 1: Innovations in Cooling Technology - A notable exhibit was the high-efficiency prefabricated cooling machine room model from the Boao Zero Carbon Demonstration Zone, which utilizes magnetic levitation chillers and heat recovery technologies, improving energy efficiency by 15% [1] - This cooling technology aims to enhance the efficiency and quiet operation of building cooling systems, reducing energy waste and noise pollution [1] - The model has already been implemented in public building projects such as Chongqing East Station and the Archives Museum in Shijingshan District, Beijing [1] Group 2: Advanced Insulation Materials - A demonstration of aerogel coating applications showed significant insulation benefits, with models using aerogel and roof membranes exhibiting superior thermal performance [2] - The aerogel coating can block external heat in summer and retain indoor warmth in winter, leading to reduced air conditioning and heating costs without major renovations [2] - This technology contributes to a more comfortable living environment while decreasing energy consumption [2] Group 3: Smart Home Technologies - The "Full Cycle Renewal Smart Home" exhibited by China Resources Land attracted considerable attention, featuring smart devices like smoke detectors that automatically open windows when smoke levels exceed safety thresholds [2] - Additional smart features include temperature control and human-sensing lighting, which adjust based on user habits, enhancing comfort and safety [2]

同期发布的"2025自然指数—科研城市"显示，北京自2016年起持续位居全球科研城市榜首，上海位列第 二，且在2023年至2024年调整后份额增长近20%。 (责任编辑：朱赫) 11月16日，清华大学产业发展与环境治理研究中心(CIDEG)二十周年系列活动之一——科技创新中心与 科研城市论坛在清华大学举办。论坛上，CIDEG与自然科研智讯合作编制的《国际科技创新中心指数 2025》(GIHI2025)连续第六年面向全球发布。施普林格·自然同步在线发布《自然》增刊"2025自然指数 —科研城市"。 GIHI2025指数显示，旧金山—圣何塞凭借在人工智能(AI)领域的优势连续第六年位居榜首，纽约蝉联亚 军，北京则连续第四年稳居第三，粤港澳大湾区跃升两位至第四，上海排名第十。从全球格局来看，欧 美地区仍保持领先地位，亚洲城市增长强劲。我国共有21个城市(都市圈)入围全球百强，总量仅次于美 国，其中14个排名上升，南京、杭州、武汉等中坚城市位势显著提升。 此次指数显示，中国创新表现亮点突出。北京在科学中心维度首次登顶，粤港澳大湾区在创新高地维度 跃升至第二。京津冀、长三角、粤港澳三大城市群形成创新超级热点，通过跨城协 ...

Core Insights - Researchers at Tomsk Polytechnic University have developed a new three-phase inverter that could potentially double the reliability of power grids [1] - The inverter features a modern control system that allows renewable energy sources to participate in grid regulation, simulating the operation of traditional synchronous motors for wide-range voltage adjustment [1] Group 1: Technology and Functionality - The basic inverter can adjust voltage amplitude and frequency, thereby regulating power and transmission angle, which determines the extent and duration of operational parameter fluctuations after disturbances [1] - The new control device can link various parameters together, enabling appropriate responses to external disturbances, thus preventing greater losses from arbitrary parameter changes [1] - The new inverter significantly simplifies the connection and operation of renewable energy generation equipment and facilitates the integration of hybrid battery systems into the grid [1] Group 2: Impact and Applications - Preliminary estimates indicate that the device can reduce the amplitude of operational parameter fluctuations during disturbances by nearly half [1] - Prototypes based on this research have been constructed, and design documents for test samples are currently being prepared [1] - The research aims to ensure reliable and seamless integration of different generation and consumption facilities, laying the groundwork for next-generation high-voltage transmission lines, including high-voltage direct current (HVDC) systems and flexible alternating current transmission systems (FACTS) [1] Group 3: Regional Significance - Experts believe that the application of these devices in isolated power systems in regions such as the Far East or the Arctic will be particularly effective due to lower generation and consumption levels [2] - The combination of relatively small storage systems with the newly developed converters is expected to have a greater impact on power quality in these areas [2]

Core Insights - Guangxi has achieved significant technological innovations, including the world's first "island-style" manufacturing assembly plant and the first large-power intelligent hybrid hydrogen fuel engine system, contributing to high-quality industrial development [1][7] - By the end of 2024, Guangxi has implemented 220 major projects in seven key areas, resulting in over 50% contribution of new industries and products to industrial growth [2][7] - The number of high-tech enterprises in Guangxi surpassed 4,000 in 2024, indicating a robust growth in technological capabilities [2][10] Technological Innovations - The "AI Smelting Brain" project in the non-ferrous metal industry has successfully transitioned from concept to reality, enhancing energy efficiency and product output [4] - The world's first electric unmanned mining loader developed by LiuGong Machinery Co., Ltd. showcases advancements in autonomous machinery, capable of operating in challenging conditions [6][7] - Guangxi's first large-scale civil aviation tire production line and the first domestic injection-grade sucrose production line are among the notable innovations supporting industrial growth [7] AI and Data Integration - The "AI Zhuanggui" platform integrates data from 41,700 businesses, significantly improving tourist experiences in Guangxi [3] - Guangxi is focusing on AI development through the "Artificial Intelligence+" action plan, targeting key industries such as power equipment and non-ferrous metals [3][4] - The establishment of the China-ASEAN Large Model Application Laboratory aims to foster international cooperation in AI applications across various sectors [4] Industry Support and Collaboration - The introduction of technology special commissioners has facilitated the integration of research and production, exemplified by the development of gradient-controlled fermentation technology for the production of sour bamboo shoots [8][9] - Guangxi's enterprises are increasingly taking the lead in technology innovation, with R&D expenditure reaching 18.21 billion yuan in 2023, marking a significant growth in research capabilities [10] - Policies have been implemented to enhance the role of enterprises in technology innovation, with a focus on aligning with national needs and regional capabilities [10]

Core Insights - The Guangzhou Baiyun International Airport T3 terminal features a unique metal roof design that can withstand typhoons and incorporates advanced technology [1][2] - The roof system is designed to resist wind pressures of up to 18.2 kPa, capable of withstanding a level 17 typhoon, significantly outperforming previous aluminum-magnesium-manganese alloy roofs [2] - The project showcases the integration of digital technologies such as BIM and 3D scanning for precise construction and design [4][6] Structural Innovations - The roof consists of a ten-layer system that includes a stainless steel top layer, which is only 0.5 mm thick and utilizes seamless welding technology to enhance wind and water resistance [2][3] - The engineering team has developed an intelligent detection robot for the roof, which uses deep learning algorithms to identify damage with millimeter-level accuracy [2] Aesthetic and Functional Design - The metal roof not only provides protection but also enhances architectural aesthetics, as seen in projects like the Zhejiang Anji "Two Mountains" Future Technology City Cultural and Art Center [4] - The design incorporates features to manage thermal expansion and contraction, ensuring long-term structural stability [3] Modular Construction Techniques - The construction of large public buildings increasingly employs modular construction and digital management, improving efficiency and safety [6][7] - The Bay Area Cultural Sports Center's roof was constructed using a modular approach, allowing for a 30% increase in installation efficiency and a material waste rate of only 2% [7]

Core Insights - The development of artificial intelligence (AI) is entering a new phase, transitioning from "understanding language" to "understanding the world" [1] - "Spatial intelligence" is identified as the next frontier for AI, which will enable machines to perceive, reason, and act in the real world like humans [4][9] Current Limitations of AI - Current AI systems, primarily large language models, excel in text and image generation but lack fundamental capabilities in representing and interacting with the physical world [4][6] - These models struggle with basic tasks such as estimating distance, direction, and size, and often fail to maintain coherence in generated videos [4][6] Importance of Spatial Intelligence - Spatial intelligence is crucial for human cognitive construction, driving imagination, creativity, and reasoning, and is essential for integrating perception and action [4][8] - This capability allows for everyday tasks like estimating parking distances and navigating through crowds, representing a leap from mere knowledge to true understanding [4][8] Path to Achieving Spatial Intelligence - To realize true spatial intelligence, a shift from existing large language models to a more fundamental "world model" is necessary [6] - This new model should understand semantic relationships and consistently "imagine" and "reconstruct" the world in terms of geometry, physics, and dynamic rules [6] Applications and Implications - The development of world models can redefine AI's functionality, enabling proactive planning and adaptation in various fields, including robotics and creative industries [8][9] - In creative fields, spatial intelligence will allow creators to construct virtual worlds and visualize structures instantaneously, enhancing the creative process [8][9] Future Prospects - AI with spatial intelligence will not replace humans but will enhance professional judgment, creativity, and empathy, serving humanity more deeply [9] - The transition from language to spatial understanding signifies a new era for AI, capable of genuinely comprehending reality [9]

Core Viewpoint - The "Opinions on Accelerating the Construction of Modern State-owned Forest Farms" aims to consolidate the achievements of state-owned forest farm reforms and accelerate their modernization, addressing existing challenges and outlining development goals and key tasks [1][2]. Group 1: Development Goals - By 2030, the management system of state-owned forest farms will be further improved, with effective protection and restoration of ecosystems, and a basic framework for sustainable resource utilization established. The forest stock per unit area is expected to increase by approximately 5% [2]. - By 2035, the ecological quality of state-owned forest farms will continue to improve, with a more complete green industry system and an expected increase in forest stock per unit area by about 11%. The modernized state-owned forest farm system will play a crucial role in maintaining national ecological security and promoting the development of the forestry and grassland industry [2]. Group 2: Key Measures - The "Opinions" propose 12 specific measures across four areas: building a modern ecological protection system, developing a modern characteristic industry system, upgrading modern technical equipment systems, and exploring modern management system frameworks [2][3]. - To build a modern ecological protection system, the "Opinions" call for the promotion of integrated monitoring technologies, including drones and large equipment, to enhance resource management and protection capabilities in state-owned forest farms [2]. - In developing a modern characteristic industry system, support will be provided for state-owned forest farms to engage in genetic resource protection and utilization, as well as to develop local economic activities tailored to specific conditions [3]. - The emphasis on upgrading modern technical equipment includes promoting smart machinery in state-owned forest farms and applying new technologies such as IoT, big data, and artificial intelligence to enhance operational efficiency [3].