Core Insights - The establishment of the Jiangsu Undersea Communication and Sensing Key Laboratory aims to develop the "Undersea Information Superhighway" and explore intelligent observation networks in the deep sea, aligning with national strategies for marine power and information security [1][2]. Group 1: Undersea Communication Technology - Global data traffic is increasing exponentially, with over 95% of data transmitted via undersea cables, leading to a capacity crisis in marine communication [2]. - Spatial Division Multiplexing (SDM) technology is recognized as the future direction for undersea communication, enhancing data transmission capacity by creating multiple channels within a single cable [2]. - The laboratory is advancing three generations of SDM technology, aiming to significantly increase transmission rates and system capacity [3]. Group 2: Intelligent Observation Systems - The laboratory is focused on building a comprehensive sensing system for both shallow and deep seas, which is crucial for marine power development [4]. - The undersea sensing technology integrates communication cables with sensors, allowing for real-time monitoring of ocean conditions [5]. - The laboratory aims to create a collaborative observation system that provides critical data for climate change monitoring and disaster early warning [6]. Group 3: Data Processing and Analysis - The undersea sensing system generates vast amounts of data, comparable to the information in a medium-sized library, which requires effective processing to be useful [7]. - The laboratory employs edge computing to enhance data quality through cleaning, formatting, and preliminary analysis, improving efficiency by 40% [7]. - Collaboration with China Ocean University enables the development of intelligent algorithms for rapid processing of marine data, supporting timely decision-making for environmental monitoring and resource development [7]. Group 4: Future Development Goals - The laboratory plans to establish a high-level academic platform and innovative talent teams over the next three years, aiming to achieve breakthroughs in key technologies and set international standards [8].

科技日报记者 宋迎迎 通讯员 周晓峰 （受访单位供图）责任编辑：李梦一 近日，工业和信息化部、国家发展改革委、国家能源局等六部门公布了《2025年度国家绿色算力设施名单》，共有60个项目上榜，中国联通（青岛） 智算中心DC1名列其中，这是山东省唯一获此殊荣的算力设施。 中国联通（青岛）智算中心DC1坐落于青岛西海岸新区，参评机房面积达5175.72平方米，配置有效机柜1862个，折合标准机柜3139个。作为中国联通 算力网络的核心节点之一，该中心承载集团级大数据资源，是山东联通首个达到国际最高等级（A级）的大型数据中心。目前，该中心主要为公共机 构、政府及企业提供机架租赁、全流程数据中心服务、云计算增值服务及灾备中心服务等多元化业务。 在绿色节能技术应用方面，该中心实现了多项创新突破。其机房工艺系统采用热通道封闭技术，有效提升回风温度，显著优化电能使用效率指标。电 源系统应用一级能效干式变压器及具备智能在线模式的不间断电源，实现供电线路0毫秒无缝切换。暖通系统通过"封闭热通道+列间空调水平送风"方 式实现精准送风，并充分利用室外自然冷源，全年完全自然冷却时长占比达52.6%，部分自然冷却时长占比达18.4%。 ...

针对上述问题，文章提出了八大对策建议：一是实施平原水库功能改造与减蒸降损工程，利用山区水库 替代平原水库功能，推广水面防蒸发技术；二是推动咸水资源化利用，结合光伏与膜分离技术降低淡化 成本；三是施行农田降盐节水工程，推广暗管竖井排水等技术，减少压盐用水；四是发展生物节水技 术，选育抗旱耐盐碱品种，建立"育种—繁殖—推广—应用"体系；五是加强灌排一体化、管网化、精准 化、信息化"四化"现代灌区建设；六是推进综合节水集成发展，构建农艺、工程、生物与管理结合的技 术体系；七是建立健全科技创新、推广服务与监督管理一体化的农业节水服务体系；八是组建中国—中 亚粮棉油饲与水安全国际联合研究中心，强化科研支撑与数据监测。这些措施旨在提升水资源利用效 率，保障水文生态安全与粮食安全，推动新疆节水农业高质量发展。 截至2023年，全疆有效灌溉面积662.93万公顷，节水灌溉面积433.33万公顷，占比65.37%，但区域发展 失衡，北疆节水灌溉率79%，东疆、南疆仅为61%和56%。新疆农业节水发展历经渠道防渗、喷微灌探 索及膜下滴灌阶段，形成本土化低成本滴灌技术体系，带动节水器材、专用肥等产业发展，构建了多元 滴灌系统与精准 ...

Core Viewpoint - The research team from Nanjing University of Technology has made significant breakthroughs in distributed filtering, control, and intelligent operation and maintenance theories for swarm intelligence systems, which have been recognized with the Jiangsu Provincial Engineer Society Science and Technology Award for 2025, enhancing the safety and efficiency of intelligent device collaboration [1] Group 1: Communication Innovations - The team developed an "event-triggered filtering" technology that activates data transmission only when critical data changes exceed a set threshold, reducing communication volume and energy consumption by 70%-80%, thus extending the operational duration of mobile platforms like drones [2] Group 2: Control Mechanisms - The introduction of "fault-tolerant control" allows swarm intelligence systems to maintain operation even in the event of equipment failure, employing a closed-loop mechanism for fault detection, estimation, and compensation, enabling systems to perform tasks continuously in urgent scenarios [2] Group 3: Intelligent Operation and Maintenance - The "remaining life prediction uncertainty quantification" technology enhances the accuracy of predicting equipment lifespan from approximately 50% to over 90%, significantly lowering maintenance costs and improving system reliability, providing businesses with more reliable decision-making data [3] Group 4: Industrial Applications - The team has integrated swarm intelligence technology into various industries, including space exploration and chemical safety production, collaborating with organizations to optimize equipment efficiency and support operations for critical applications like aerospace and planetary exploration [4]

Core Insights - The Yangtze River Economic Belt has achieved significant progress over the past decade, focusing on ecological priority and green development as strategic directions [1][2] - The region's GDP is projected to exceed 63 trillion yuan in 2024, with a year-on-year growth of 5.4%, making it a key driver of high-quality regional economic development [2][3] - The Yangtze River Economic Belt has formed five major industrial clusters, with technological innovation becoming the core engine of growth [3] Economic Development - The Yangtze River Economic Belt's foreign trade import and export value reached 19.12 trillion yuan in the first 11 months of 2025, accounting for 46.4% of the national total [2] - The region's GDP now represents nearly half of the national economic total, benefiting from interconnected infrastructure and industrial agglomeration [2][3] Technological Innovation - The Yangtze River Economic Belt has established a collaborative innovation ecosystem, particularly in the electric vehicle sector, where the Yangtze River Delta region accounts for 40% of national production and over 25% globally [3] - The development model of "point-axis-circle" has been instrumental in driving industrial growth and innovation across the region [2][3] Regional Collaboration - The Chinese government has emphasized the importance of regional cooperation for high-quality development, with multiple meetings held to guide the economic and ecological strategies of river basins [4] - Collaborative efforts are underway among various provinces to enhance transportation and logistics, exemplified by strategic agreements among port groups and the operation of new high-speed rail lines [7] Challenges and Recommendations - Despite progress, some regions still operate independently, necessitating improved cross-regional coordination and the removal of systemic barriers to resource allocation [6] - There is a call for differentiated industrial development strategies tailored to local strengths, promoting a collaborative approach across the entire river basin [6]

Core Viewpoint - The article highlights the advancements in underwater communication technology led by Jiangsu Hengtong Marine Technology Co., Ltd., focusing on the development of all-optical sensing technology to enhance the safety and efficiency of submarine cable networks [1][2][3]. Group 1: Technological Advancements - The research team has achieved safe transmission of optical signals over a distance of 300 kilometers, with pilot applications in various provinces including Anhui, Yunnan, Jiangsu, and Gansu [1]. - The team is working on eliminating the cumbersome optical-to-electrical signal conversion process, which reduces latency and power consumption while decreasing reliance on imported semiconductor chips [2]. - A "cloud-edge collaborative" computing model has been proposed to process massive data collected by underwater sensors, allowing for quick local processing of urgent information while complex analyses are handled by land-based cloud computing centers [3]. Group 2: Collaborative Efforts - The collaboration between industry and academia is emphasized, with Hengtong providing real data and universities contributing algorithm development, leading to superior AI models compared to traditional ones based on public datasets [3]. - A complete innovation chain has been established, involving theoretical research, technological development, product creation, and application, with a research team of nearly 100 members focusing on key materials, core devices, and high-end equipment in the underwater communication and sensing field [3]. Group 3: Future Prospects - The ongoing development of the "sensing-computing-integration" network aims to enhance the understanding of oceanic conditions, contributing to the goal of becoming a maritime power [4].

Core Viewpoint - The development of China's first ammonia-fueled ship has made significant progress, transitioning from laboratory research to practical application and promotion in real vessels [1] Group 1 - The ammonia energy ship technology has officially moved into the stage of real ship application [1] - The 12V240H-DFA type ammonia fuel engines, developed independently by CRRC Dalian Locomotive and Rolling Stock Co., Ltd., are the core power units supporting this milestone achievement [1]

Core Insights - The development of the Yangtze River Economic Belt is a major regional strategy personally planned, deployed, and promoted by General Secretary Xi Jinping, focusing on ecological protection and sustainable development [1] Environmental Protection - The proportion of water quality in categories I-III in the Yangtze River Economic Belt has increased from 67% in 2015 to 96.5% now, a rise of nearly 30 percentage points, with the main stream maintaining Class II water quality for six consecutive years [2] - The total phosphorus concentration in the Yangtze River basin has decreased by over 40% compared to ten years ago, and over 90% of black and odorous water bodies in county-level cities have been eliminated [2] Industrial Development - The Yangtze River Economic Belt is a crucial area for industrial aggregation, with 30 strategic emerging industry clusters cultivated, accounting for 45% of the national total [3] - The region contributes nearly half of the national GDP while accounting for about one-third of energy consumption and carbon emissions, emphasizing its role in green development [3] Transportation Infrastructure - The high-grade waterway mileage in the Yangtze River system has reached 11,500 kilometers, allowing for significant improvements in shipping capabilities [4] - By 2025, the port throughput along the Yangtze River is expected to reach 4.2 billion tons, with the number of major ports increasing to 18, reflecting substantial growth since 2015 [5]

据悉，平台的实用价值已在多个领域得到验证。在药物工程领域，团队通过平台筛选出抗癫痫药加巴喷 丁的两种塑性共晶，其片剂抗拉强度较原料药分别提升8.5倍和5.7倍，有效解决了原药压片易碎裂的行 业难题。在功能材料方面，团队成功将脆性晶体PAPA改造为兼具弹性和光响应的柔性发光晶体，为新 型光驱动器件提供了可能。 目前，该平台已在Hugging Face开源。全球科研人员无需编程基础，只需绘制或输入分子结构，即可在 线获取性质预测结果与关键片段的可视化图表，通过科研人员的协同创新加速技术迭代升级。 由于缺乏高效的设计方法，柔性晶体的研发长期依赖于偶然发现。论文通讯作者、天津大学化工学院教 授龚俊波介绍，传统"试错式"研究不仅周期漫长、成本高昂，还难以定向调控晶体的机械性能，极大制 约了科研效率。 CrystalGAT平台通过融合图注意力神经网络与晶体工程技术，率先实现了有机分子晶体弹性、塑性及脆 性三大力学性质的精准预测与理性设计。其核心突破在于构建了"数据驱动－智能预测－靶点识别－结 构调控"的全链条技术范式。"平台通过深度学习海量数据，不仅能快速预测目标晶体的机械性能，更关 键的是，基于其注意力机制，可识别并可 ...

孩子常"分心"到底要不要治？ 开栏的话 近年来，大众对健康的关注已融入日常，对科学养生、疾病预防的知识需求也愈发迫切。然 而，优质科普资源较为稀缺，有的科普内容真假难辨，甚至可能误导公众。为此，本报今起推出"健康 指南"栏目，邀请权威专家为读者解读热点，提供可信、可用的健康"干货"。 临近期末考试，许多主打"快速提升专注力"的商品广告频繁出现在短视频中。这类广告称，相关产品可 以让孩子的专注力得到大幅提升，甚至能"治愈"注意缺陷多动障碍(ADHD)。 喧嚣的市场背后，是家长们的集体焦虑，更是对专注力概念的普遍误解与商业化滥用。那么，专注力究 竟是什么？五花八门的训练有效吗？孩子分心到何种程度才需要干预？带着这些疑问，科技日报记者专 访了天津市安定医院儿童青少年心理科专家。 简单短期练习难有大幅提升 不少家长看到孩子写作业分心、听课走神，就急于购买各类专注力训练产品，但首先得搞清楚，专注力 到底是什么。天津市安定医院儿童青少年心理科副主任医师雷彤介绍："专注力不仅能锁定目标，而且 能调动记忆、思维等'作战单元'协同攻坚，同时可以持续抵抗外界干扰。这是一个集主动选择、意志控 制、资源调配于一体的高级认知能力。" ...