Core Viewpoint - The recent heavy rainfall in northern China, particularly in Beijing and Hebei, is attributed to abnormal atmospheric circulation patterns, with the subtropical high pressure system playing a significant role in the early onset of the rainy season [1][3]. Group 1: Weather Patterns and Impacts - The subtropical high pressure has shifted northward, leading to an influx of warm, moist air into northern China, which has resulted in extreme rainfall events [1][2]. - The average rainfall in the North China region has reached 121 mm, which is nearly 30% higher than the historical average for the same period [2]. - The rainy season in North China began on July 5, 13 days earlier than the historical average, marking the earliest start since 1961 [2][3]. Group 2: Typhoon Influence - Typhoon "Zhu Jie Cao" has been reclassified and is expected to impact eastern China significantly, with strong winds and heavy rainfall predicted in several regions [4]. - The typhoon indirectly affects the rainfall patterns in northern China by altering the atmospheric circulation, which influences the subtropical high pressure's position and intensity [4]. Group 3: Future Weather Forecast - A strong rainfall event is anticipated in northern China, with warnings issued for potential mountain floods and geological disasters due to cumulative rainfall effects [5]. - The overall precipitation trend is expected to weaken, but localized heavy rainfall may still occur [5].

"'大规模盐穴储氢'主体工程的开工，是我国氢能产业发展史上的重要事件。"国家能源局科技司原副司长刘亚芳在开工仪式上评价，该项目填补了我国 大规模盐穴储氢领域的空白，同时将为破解氢能气态储存领域的"卡脖子"技术难题提供实践样本。 "大规模盐穴储氢"主体工程正式开工。科技日报记者 刘园园 摄 "大规模盐穴储氢"项目由中盐集团和清华大学合作，联合中国地质大学（北京）、中国科学院理化技术研究所、天津大学、中国矿业大学等多家单位共 同开展。该项目将形成具有自主知识产权的盐穴储氢全套技术体系，以推动盐穴储氢的规模化产业应用。 "储"是氢能产业发展的关键一环。作为全球最大的制氢国，我国在储氢环节仍存在补短板需求。 7月25日，由中盐集团与清华大学等单位合作的"大规模盐穴储氢"主体工程在江苏常州正式开工建设。这标志着我国在基于盐穴的大规模储氢领域迈出 了关键一步。 据悉，目前全国已投入使用的盐穴储气库中，中盐集团参与建设的数量达94％，这些储气库在我国天然气市场发挥了重要的调蓄和保障功能。"在此基 础上，我们积极探索盐穴在储能、储氢、储氦、液流电池等更多赛道、更广领域的应用，努力构建盐穴'多能并储'新格局。"李耀强表示。 " ...

Core Insights - The hydrogen energy industry in Shaanxi is rapidly developing, with over 100 hydrogen enterprises established, and the total industry output value expected to exceed 4 billion yuan this year [1] - The first fully automated hydrogen fuel cell stack production line in Northwest China has been launched, enabling domestic production of hydrogen fuel cell stacks that were previously monopolized by foreign companies [2] - Significant cost reductions in hydrogen storage and transportation have been achieved, with new technology lowering the cost from 23.3 yuan per kilogram to below 11 yuan [3] Industry Development - The "14th Five-Year Plan" for hydrogen energy industry development in Shaanxi is being implemented, promoting large-scale demonstration applications of hydrogen energy in various sectors such as public transport and logistics [4] - The first hydrogen energy bus line in Shaanxi has been launched, showcasing the practical application of hydrogen energy in public transportation [5] - Hydrogen-powered assistive bikes are being used in tourist areas, demonstrating the versatility of hydrogen energy applications [6] Ecosystem Construction - A complete hydrogen energy industry chain is being established in the Yulin High-tech Zone, integrating hydrogen production, storage, refueling, and application [7] - The first international joint laboratory for hydrogen energy in Shaanxi has been established, focusing on new hydrogen storage materials and AI-assisted design [7] - The strategic layout of "one core leading, two axes connecting, and three centers supporting" is being implemented to strengthen the hydrogen energy industry in Shaanxi [8][9] Future Projections - By 2025, Shaanxi aims to achieve an annual high-purity hydrogen production capacity of 50,000 tons, with over 200 hydrogen enterprises and a core component output value of around 1 billion yuan [11] - By 2030, a comprehensive hydrogen energy technology innovation system and green hydrogen preparation and supply system are expected to be established, supporting carbon peak goals [11]

Group 1 - The industrial and information technology sectors in China showed a positive development trend in the first half of 2025, characterized by stability, innovation, and quality improvement [1][2] - The total industrial added value increased by 6.4% year-on-year, with the manufacturing added value accounting for 25.7% of GDP, indicating strong resilience [1] - The number of large-scale industrial enterprises reached 520,000, an increase of over 8,000 compared to the end of last year, and profits in the manufacturing sector grew by 5.4% year-on-year [1] Group 2 - The integration of technological and industrial innovation accelerated, with industrial robot production increasing by 35.6% and service robot production by 25.5% year-on-year [1] - Nearly 410,000 technology contracts were registered nationwide, with a transaction value exceeding 3 trillion yuan, reflecting a 14.2% year-on-year growth [1] - The construction of industrial innovation platforms continued, with 33 national manufacturing innovation centers established by the end of June [1] Group 3 - The pace of industrial transformation and upgrading accelerated, with the added value of large-scale equipment manufacturing contributing 3.4 percentage points to overall industrial growth, accounting for 35.5% of total industrial output [2] - The added value of high-tech manufacturing increased by 9.5% year-on-year, contributing 23.3% to overall industrial growth [2] - Green factories accounted for over 20% of total manufacturing output, and energy consumption per unit of industrial added value continued to decline [2] Group 4 - Digital transformation efforts were enhanced, with 26 pilot cities identified for new manufacturing technology upgrades and support for 35 additional cities for small and medium-sized enterprise digital transformation [2] - The penetration rate of digital R&D tools in large-scale light industry enterprises reached 86.2%, while the digital management penetration rate was 82.3% [2]

7月25日，记者从中国科学院深圳先进技术研究院获悉，该院定量合成生物学全国重点实验室钟超 团队与上海交通大学医学院附属瑞金医院烧伤整形科刘琰团队开展联合攻关，成功研发出一款基于生物 纤维素的新型止血敷料T-BC，为烧伤及复杂创伤治疗提供了全新的材料解决策略。相关研究成果发表 在《先进材料》上。 临床烧伤清创术中的出血控制一直存在挑战。传统电凝止血虽有效，但存在热损伤周围组织的风险 且操作效率低；而常用止血剂则普遍存在换药时易引发再出血、贴附性差和机械强度不足等问题。针对 这些痛点，研究团队创造性地采用合成生物学技术，将重组人源凝血酶通过特异的纤维素与结构域精准 结合，并将其锚定在生物纤维素基体上，构建出兼具止血与促愈合功能的一体化敷料T-BC。该敷料通 过促进新血管形成、调控炎症反应和重建皮肤组织结构三重协同作用，在分子层面实现了对伤口修复过 程的多方位调控，从而显著加速愈合进程。 在大鼠肝脏切口模型中，该敷料能在1分钟内实现快速止血。在模拟深Ⅱ度烧伤创面的大鼠实验 中，使用T-BC进行治疗的实验组，5天后伤口愈合率较对照组提高了约40%。 此外，该研究采用生物分子自组装技术，仅需通过温和的蛋白溶液浸泡即可实 ...

"为了解决这些难题，中国科学院系统内多家研究所组成研发团队，开展体系化研究，推动'AI+科 学'研究向平台化、体系化转变，成功打造了磐石·科学基础大模型。"中国科学院科技基础能力局副局 长、中国科学院自动化研究所副所长曾大军介绍，该模型就像一个跨学科的"智能操作系统"，可统一管 理数据和模型等资源，调度计算仿真等各类工具，深度赋能"假设提出—方案规划—仿真推演—实验验 证—规律发现"的科研全流程。 "AI+科学"成为新趋势，为解决重大科技难题带来了前所未有的机遇。7月26日，在2025世界人工 智能大会上，中国科学院正式发布磐石·科学基础大模型。该模型是一个专门为科研打造的智能平台， 由专业科学知识和数据训练而成，能深入理解波、谱、场等各种科学数据，并具备深度文献分析、科学 知识推理和科研工具编排能力。 "AI+科学"研究常用两种方式：用专业数据微调通用模型，或自建单一领域专用工具。这带来了科 学数据不互通、专业推理能力不够以及研发生态封闭三大难题。 "目前，磐石·科学基础大模型已经在多个学科领域进行了深入应用，大幅加速了科研进程。"曾大 军举例说，在高能物理领域，北京正负电子对撞机的研究人员依托磐石·科学基 ...

7月23日，2025国际低空经济博览会在上海开幕。此次博览会汇聚该领域近300家全球头部企业，集 中展示无人机、eVTOL等尖端产品，深度呈现低空基础设施、智能制造与配套服务等，发布全球首发 产品19件、国内首发产品25件，为我国低空经济发展注入新动能。 智能飞控管理：全方位守护飞行安全 随着低空飞行器数量激增和任务多元化，智能飞行控制的作用日益凸显。本次博览会上，研究机构 和头部企业纷纷展示自己在低空领域的技术优势。中国航空工业集团公司西安航空计算技术研究所即是 其中一员。 该所精心推出"灵筹·机载电子超市"主题展陈，带来三大层级百余款产品，吸引众多观展者驻 足。"灵筹"是由该研究所自主打造的品牌，可集成显控、飞控、通信等40余项关键功能，为eVTOL、无 人机等全品类低空飞行器提供高安全性、低成本解决方案。 "依托自主研发的联合计算平台、多元感知传感器和低空智能网联体系，'灵筹'可运用智能算法开 展低空飞行路径规划，并将控制指令与飞控计算机联动，帮助低空飞行器顺利飞行。"该研究所通航产 品事业部部长助理冯伟介绍，飞控计算机还能通过大数据分析海量飞行日志，发现影响飞行安全的关键 因素，对飞控系统进行自我优化 ...

Core Viewpoint - The article highlights the significant contributions of Wang Xiji, a prominent Chinese scientist, to the country's space exploration efforts, emphasizing his role in the development of key technologies and projects in China's aerospace industry [1][4]. Group 1: Early Life and Education - Wang Xiji studied in the United States and returned to China in 1950, motivated by the founding of the new nation [2]. - He quickly adapted to his new environment, mastering Russian and authoring several textbooks during his teaching career [2]. Group 2: Contributions to Space Technology - In 1958, Wang was assigned to the Shanghai Electromechanical Design Institute to work on the development of a rocket for launching artificial satellites, overcoming significant challenges due to Western economic sanctions [3]. - He led the design and development of China's first satellite launch vehicle, the Long March 1, by creatively combining missile and rocket technologies [4]. - Wang also played a crucial role in the development of China's first returnable satellite, which became a successful series with high success rates and low costs [4][5]. Group 3: Vision for Manned Spaceflight - In the 1980s, Wang advocated for the development of manned spacecraft instead of costly space shuttles, influencing the direction of China's manned space program [6]. - His insights contributed to the formation of the Shenzhou program, which marked a significant milestone in China's space exploration history [6].

Core Insights - The research conducted by Ningbo Oriental University and Southern University of Science and Technology reveals the driving mechanisms behind the extreme ocean heatwaves of 2023, providing crucial scientific evidence for understanding and predicting future extreme ocean events [1][2] Group 1: Research Findings - The study constructed the world's first mixed-layer heat budget diagnostic framework based on high-resolution ocean reanalysis data, which quantitatively characterizes the unprecedented features of global ocean heatwaves in terms of intensity, duration, and spatial coverage in 2023 [1] - The research identified different driving mechanisms for ocean heatwaves in four key global ocean regions, including enhanced shortwave flux and shallower mixed layers in the North Atlantic and North Pacific, reduced cloud cover and increased advection in the Southwest Pacific, and increased oceanic advection in the tropical East Pacific [1] Group 2: Importance of Earth System Science - Developing Earth system science is crucial for revealing the intrinsic mechanisms of complex climate phenomena, enhancing global climate prediction capabilities, and formulating scientific response strategies [2] - Establishing a physics-based forecasting system, strengthening real-time monitoring of multiple ocean factors, and conducting in-depth research on early warning of extreme climate events are of significant practical importance for addressing future climate risks [2]

Core Viewpoint - The emergence of new research-oriented universities in China, such as Ningbo Oriental University of Technology, is aimed at cultivating top innovative talents to meet national development needs [2][4]. Group 1: Characteristics of New Research-Oriented Universities - New research-oriented universities are characterized by being small yet specialized, having a high starting point, being internationalized, and focusing on innovation and entrepreneurship [2][3]. - These universities have developed in response to the upgrading of national development strategies, the commercialization and marketization of higher education, and changes in the international educational environment [2][3]. Group 2: Educational Approach and Curriculum - New research-oriented universities emphasize a research-based approach to education, aligning closely with market development needs and focusing on technology innovation [4]. - For instance, Ningbo Oriental University of Technology offers a flexible curriculum where students can choose their majors after the first year, promoting interdisciplinary learning and creativity [4][5]. - The universities also incorporate a dual mentorship system, providing both general education and specialized academic guidance to enhance students' overall development [4][5]. Group 3: Economic and Social Impact - New research-oriented universities possess strong economic foundations and favorable working environments, which help attract high-end talent and foster entrepreneurship among academic staff and graduates [6]. - The establishment of these universities addresses the imbalance in the supply and demand for high-quality applied talents in China, as more high-scoring students are choosing universities based on personal interests and career prospects rather than solely on prestige [6].