研究人员介绍，这种电子结构变化显著抑制了电子—声子耦合，使电子耗散从连续态跃迁转变为赝 朗道能级间的量子化跃迁，导致热电子冷却时间从暴露边缘的0.32皮秒延长至折叠边缘的0.49皮秒，有 效降低了能量耗散，从而显著降低了摩擦。 据了解，研究不仅提供了固—固界面量子摩擦的首个实验证据，还构建了基于拓扑结构调控耗散模 式的研究框架，验证了量子态调控界面电子耗散过程的可行性，对发展低能耗纳米器件，以及进行拓扑 量子材料中的摩擦调控具有指导意义。 （原载于《科技日报》 2025-07-10 第06版） 7月6日，记者从中国科学院兰州化学物理研究所获悉，该所纳米润滑课题组首次在实验上观察到固 —固界面量子摩擦现象，系统构建了电子、声子耗散与摩擦的内在关系，揭示了拓扑应变诱导的量子态 调控摩擦机制。相关研究论文发表于《自然-通讯》。 摩擦本质和作用机制是摩擦学的基本科学问题，数百年来，科学家对这一难题展开了不懈探索，先 后提出分子—机械学说、粘着摩擦理论等学说，奠定了经典摩擦学的理论基础。随着纳米力学技术、低 维材料和量子材料体系的发展，摩擦研究逐渐从宏观尺度拓展至声子、电子尺度。 在本研究中，团队基于原子力显微镜纳米针 ...

Core Viewpoint - The article emphasizes the importance of supporting and advancing the development of Hubei laboratories in Wuhan to foster technological and industrial innovation, aiming to establish a nationally influential technological innovation hub [1][2]. Group 1: Laboratory Development and Achievements - Eight laboratories in Wuhan have made significant progress in construction and have produced notable scientific achievements, gathering high-end talent and contributing to the development of strategic emerging industries [2]. - The laboratories are encouraged to focus on cutting-edge fields such as aerospace information, enhance technology transfer capabilities, and support the high-quality development of the aerospace information industry in Wuhan [1]. Group 2: Strategic Directions and Recommendations - There is a call for a shift in mindset to adapt to changes in research paradigms and industrial organization, promoting deep integration of technological and industrial innovation through collaboration between academia and industry [3]. - The focus should be on addressing national and local industrial needs, clarifying development directions, and accelerating breakthroughs in key core technologies [3]. Group 3: Talent Attraction and Innovation Environment - Efforts should be made to attract and gather more high-end talent, leveraging high-level innovation platforms and connecting with top domestic and international research institutions and technology companies [3]. - An emphasis is placed on creating a supportive innovation environment that respects knowledge and creativity, ensuring researchers can focus on their work without distractions [4].

Group 1 - The graduation ceremony at Hangzhou Advanced Research Institute (杭高院) on July 8 marked the highest number of academicians present, with seven Chinese Academy of Sciences academicians attending to confer degrees to graduates [1] - A total of 532 students graduated this year, marking the first time the number of graduates has exceeded 500 since the institute's establishment [1] - Over the past three years, students at杭高院 have achieved significant milestones, including the application of an "intelligent inspection robot" in coal mining and winning awards in national algorithm competitions [1] Group 2 - Graduates like Jiang Chen from the Intelligent Science and Technology Institute are committed to contributing to the innovation and development of artificial intelligence in China [2] - Many graduates have chosen to remain in Hangzhou to engage in research, grassroots work, and entrepreneurial innovation, thereby contributing to the economic and social development of the region [2]

Core Viewpoint - The Heilongjiang Province has launched a reform plan aimed at transforming the technology transfer system in universities and research institutions, with a goal to empower researchers and enhance the commercialization of scientific achievements [2][3] Group 1: Reform Measures - The plan includes seven breakthrough reform measures targeting the core issues of technology transfer, addressing the long-standing challenges of reluctance and inability to commercialize research outcomes [2] - A "one-stop" service system will be established to simplify the internal approval processes for technology transfer, significantly shortening the path from laboratory to market [2] - The introduction of a professional sequence for technology managers in the title evaluation system aims to alleviate career development bottlenecks for technology transfer personnel [2] Group 2: Empowerment and Incentives - The plan fully implements the reform of granting ownership of work-related scientific achievements to researchers, shifting from a model of "results first, then consider transfer" to "empowerment first, then integrated promotion of creation and transfer" [3] - It encourages universities and research institutions to license technology to enterprises on a "pay after use" basis, utilizing flexible payment methods such as "zero threshold fees + phased payments + revenue sharing" [3] Group 3: Evaluation and Impact - A technology transfer index evaluation system will be established to assess the effectiveness of the reforms, based on indicators such as technology contract transaction volume and the number of newly established enterprises [3] - This index will serve as a driving force for institutions to enhance their technology transfer efficiency, promoting a culture that values successful commercialization [3]

Core Insights - The research reveals a significant global warming event that occurred 56 million years ago, known as the Paleocene-Eocene Thermal Maximum (PETM), which was triggered by a rapid release of carbon dioxide [1][2] - The study highlights a precursor event, a carbon isotope negative anomaly (POE), which served as a warning signal before the PETM, indicating a complex relationship between these two events [1][2] Group 1: Research Findings - The research team utilized sedimentary layers from the Kuzi Gongsu profile in Xinjiang, China, to analyze historical climate data, confirming the synchronous nature of the POE on a global scale [2] - The POE event lasted a shorter duration with a minor carbon isotope negative shift of approximately 1‰ to 2‰, leading to slight warming, shallow marine acidification, and changes in microbial communities [2] - During the POE, the carbon emission rate was about 1 billion tons per year, comparable to the fossil fuel emissions of the 1960s, resulting in a 40% increase in atmospheric CO2 concentration over a century to a millennium [2] Group 2: Implications for Current Climate - The historical analysis serves as a natural experiment demonstrating the consequences of rapid carbon release, with a warning that current human activities are accelerating CO2 emissions at an even faster rate [3] - The research emphasizes the urgency of reducing carbon emissions before reaching a critical threshold that could lead to catastrophic climate events similar to the PETM [3]

Group 1: Work Hours and Consumer Behavior - Since 2018, China's average weekly working hours have increased to 48.3 hours, which is 21 minutes more per day compared to 2018[3] - The time residents spend on purchasing goods and services has decreased from 80 minutes per day to 43 minutes per day[3] - The most significant "involution" is observed in the manufacturing and productive service sectors, while real estate and life service industries have seen a reduction in working hours[3][4] Group 2: Employment Trends Among Age Groups - The most pronounced "involution" trend is among young people, with an average increase of over 4 hours in weekly working hours over the past five years[4] - For the age group 25-34, weekly working hours increased from 46.7 hours in 2018 to 50.8 hours in 2023[4] - In contrast, individuals aged 55 and above have seen a decrease in working hours by 2.3 hours during the same period[4] Group 3: Policy Recommendations and Economic Rebalancing - Current policies encourage flexible work arrangements and paid leave to address "involution," but these measures primarily target symptoms rather than root causes[5] - The imbalance in employment distribution between manufacturing and service sectors is identified as a core issue, with tariffs potentially facilitating a shift from manufacturing to services[5] - The life service sector has the capacity to absorb labor from the manufacturing sector, as it has seen a 7 percentage point increase in employment share over the past two decades[5][6] Group 4: Service Sector Growth and Consumer Demand - The life service sector's wage growth (18.1%) has outpaced that of manufacturing (10.7%) and productive services (12.4%), indicating a labor shortage in the service sector[6] - There is a significant gap of approximately 1.5 trillion yuan in service employment compared to value-added, suggesting a need for more jobs in this sector[6] - As urbanization increases and GDP per capita rises, service consumption is expected to grow, with a projected annual increase of 0.6% in service consumption share as urbanization reaches 70%[6][7]

Group 1 - The phenomenon of "involution" is most pronounced among young people, with average weekly working hours increasing by over 4 hours in the past five years. The average weekly working hours for employees aged 25-34 rose from 46.7 hours in 2018 to 50.8 hours in 2023 [3][28] - The average daily working time in China increased by 21 minutes from 2018 to 2023, reaching 48.3 hours per week, while the time spent on purchasing goods and services dropped from 80 minutes per day to 43 minutes per day [2][9] - The "involution" trend is particularly evident in the manufacturing and productive service sectors, while the real estate and life service sectors have seen a decrease in working hours [2][21] Group 2 - Current policies to combat "involution" focus on encouraging flexible work arrangements and paid leave, but these measures primarily address symptoms rather than the root causes of prolonged working hours [4][35] - The root cause of "involution" is the uneven distribution of employment across industries, with excessive employment in manufacturing leading to "involution" and insufficient employment in the service sector [4][48] - There is a significant employment gap in the life service sector, with a potential to absorb more jobs, as the wage growth in this sector (18.1%) outpaces that of manufacturing (10.7%) [5][61] Group 3 - The long-term direction for combating "involution" involves aligning supply structures with changing demand structures, particularly as consumer demand trends towards services [6][85] - Global experiences indicate that as GDP per capita reaches between $10,000 and $30,000 and urbanization rates hit 70%, the proportion of service consumption in total consumption increases by approximately 0.6% annually [6][86] - The aging population is expected to drive service consumption, with each 1% increase in the aging rate correlating with a 1.3% increase in service consumption share [6][93]

Group 1 - The core viewpoint of the news is that Sichuan Province has completed the optimization and restructuring of its key laboratories, with 121 laboratories entering the new sequence, resulting in a total of 128 key laboratories in the province [1][2] - The optimization process involved resource integration, with some laboratories merging into new entities, such as the merger of the Sichuan Provincial Key Laboratory for Tea Resource Utilization and Quality Testing [2] - The restructuring aims to align research directions with industry development needs, as seen in the renaming and focus shift of the High-Field Magnetic Resonance Brain Imaging Laboratory to Brain-Machine Interface and Brain-Like Intelligence Laboratory [2] Group 2 - The Sichuan Provincial Science and Technology Department plans to manage the construction and operation of key laboratories, develop management policies, and conduct regular evaluations for dynamic adjustments based on performance [3] - Each laboratory is required to set clear development goals and create a three-year research task list, focusing on research objectives, innovation output, and talent development [3] - The restructuring is part of a broader initiative to enhance the province's scientific frontier and emerging industry technology innovation capabilities, addressing issues such as insufficient alignment with development needs and management mechanisms [1][3]

Core Viewpoint - The collaboration between Jinjiang District and Sichuan Normal University aims to enhance regional development through the integration of education, technology, and industry, focusing on the "first-release economy" and new consumption industries [3][4]. Group 1: Collaboration Details - A cooperation agreement was signed between Jinjiang District and Sichuan Normal University, emphasizing resource sharing, complementary advantages, collaborative innovation, and mutual benefits [4]. - The agreement includes the establishment of a joint consultation mechanism, project linkage, and information sharing to promote 20 intended cooperation projects, including brain-computer interfaces and open-source Hongmeng [4][6]. Group 2: Economic and Educational Impact - Jinjiang District is actively implementing the directives from the 20th National Congress regarding the promotion of the first-release economy, aiming to transform traditional industries and develop emerging sectors [3]. - The partnership will focus on organized research, talent cultivation, and the integration of education and industry to support the development of new productive forces in Jinjiang District [3][6]. Group 3: Previous Initiatives - In February 2023, Jinjiang District and Sichuan Normal University established the first-release economy research institute, which integrates academic and industry resources to innovate and explore practical applications of the first-release economy [6]. - The research institute has developed a theoretical framework and evaluation system for the first-release economy, enhancing digital consumption and creating industry benchmarks [6].

Group 1 - The book "Voices of a Hundred Academicians Joining the Party" highlights the dedication and patriotic spirit of scientists in China, showcasing their commitment to serving the nation through their work in various scientific fields [2][3] - It features personal stories and application letters from over a hundred academicians, illustrating their unwavering faith in the Communist Party and their relentless pursuit of scientific excellence for national development [3][4] - The narratives reflect the historical journey of China's scientific achievements under the leadership of the Communist Party, emphasizing the connection between the scientists' work and the nation's progress [3][4] Group 2 - The compilation involved extensive research, gathering archival materials from over 50 research institutes and more than 10 major scientific enterprises, highlighting the enduring legacy of these scientists [4] - In the context of unprecedented global changes, the role of technological innovation is increasingly vital, and the stories of these scientists serve to inspire future generations to pursue patriotic and innovative endeavors [4]