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“智能海绵”让太阳能电池板自动降温 使用寿命可延长两倍以上
news flash· 2025-06-04 22:10
Core Viewpoint - A new acrylic-based composite material, referred to as "smart sponge," has been developed by an international research team led by King Abdullah University of Science and Technology (KAUST), which can automatically cool solar panels in desert environments, potentially doubling their lifespan [1]. Group 1 - The research indicates that the smart sponge material can significantly enhance the durability of solar panels, extending their operational life by over two times [1]. - This innovation is particularly relevant for solar energy applications in harsh environments, such as deserts, where overheating can severely impact performance [1]. - The findings were published in the latest issue of the journal "Materials Science and Engineering Reports," highlighting the scientific community's interest in improving renewable energy technologies [1].
人生竞赛永远没有结束——访中国科学院院士李依依
Ren Min Ri Bao· 2025-06-04 00:32
Core Viewpoint - The article highlights the remarkable journey of Li Yiyi, a pioneering female scientist in China's metallurgy industry, who has made significant contributions to the field over her decades-long career, emphasizing her relentless pursuit of excellence and innovation in scientific research [1][17]. Group 1: Personal Journey and Achievements - Li Yiyi began her career at Benxi Steel, where she became the first female furnace manager in New China, demonstrating her determination to excel in a male-dominated field [4][8]. - Throughout her career, she has led multiple national scientific research projects, contributing to the localization of key equipment and earning prestigious awards, including the Lifetime Achievement Award from the Chinese Society for Metals [1][8]. - At 92 years old, she remains active in scientific research, serving as an advisor on major national strategic projects, showcasing her enduring passion for science [1][13]. Group 2: Contributions to Metallurgy and Technology - Li Yiyi played a crucial role in the development of high-pressure hydrogen-resistant steel, leading a team to create experimental setups that significantly reduced project timelines [10][12]. - She has been instrumental in establishing technical standards for the domestic production of water turbine components, which are now widely used in important water conservancy projects [12]. - Her work on ODS (Oxide Dispersion Strengthened Alloy) aims to enhance uranium utilization in nuclear technology, reflecting her commitment to advancing China's technological capabilities [13][17]. Group 3: Philosophy and Work Ethic - Li Yiyi's philosophy emphasizes the importance of seizing opportunities and overcoming challenges, as illustrated by her belief that the first step in any endeavor is often the hardest [9][10]. - She maintains a rigorous work ethic, arriving at the office early and actively mentoring younger researchers, demonstrating her dedication to fostering the next generation of scientists [14][15]. - Her approach to life and work is characterized by a refusal to accept defeat, as she continuously seeks to push boundaries and achieve new milestones in her field [13][17].
中国科学院推动学查改见实效
Jing Ji Ri Bao· 2025-06-03 22:22
Group 1 - The core viewpoint of the articles emphasizes the implementation of the Central Eight Regulations by the Chinese Academy of Sciences (CAS) to enhance the quality of learning and promote effective technological innovation [1][2] - CAS has organized over 100 study sessions for its affiliated units to ensure comprehensive and practical learning of the Central Eight Regulations and their implementation details [1] - The academy has established a problem-solving approach by identifying urgent issues faced by employees and addressing shortcomings in core tasks related to technological advancement [1] Group 2 - CAS has strengthened training for newly appointed, young, and key position cadres, including organizing workshops and seminars for party organization leaders and discipline inspection secretaries [2] - The leadership has been encouraged to take the lead in identifying weaknesses and proposing corrective measures to improve work style and discipline [2]
美国软实力面临削弱与解构风险
Di Yi Cai Jing· 2025-06-02 11:32
Core Viewpoint - The article discusses how Trump's understanding of power is limited to coercion and transactional relationships, which is undermining the United States' global influence, particularly its soft power, due to rising unilateralism, trade protectionism, and cultural conservatism [1][10]. Group 1: Impact on Scientific Research - Trump's administration has significantly reduced funding for scientific research, with the National Science Foundation's new project funding dropping nearly 50% compared to the previous year, particularly affecting engineering, education, and computer science [2][4]. - Major research institutions like the National Institutes of Health and the National Science Foundation have had to implement large-scale layoffs due to funding cuts, with NIH terminating support for over 700 research projects in just one month [4][9]. - The Trump administration's focus on "useful research" has led to a decline in support for basic research, which is crucial for long-term scientific advancement, indicating a shift towards a more utilitarian view of science [3][5]. Group 2: Higher Education and Cultural Tensions - The Trump administration has pressured universities to reform their diversity initiatives and has threatened funding cuts, leading to significant financial repercussions for institutions like Harvard and Princeton [7][8]. - A survey indicated that approximately 75% of American researchers are considering leaving the U.S. due to the uncertain policy environment and funding cuts, highlighting a potential brain drain [4][5]. - The conflict between Trump's administration and universities reflects a broader cultural clash between conservative and progressive values, with implications for academic freedom and the future of higher education in the U.S. [6][8]. Group 3: International Relations and Soft Power - Trump's "America First" policy has led to a departure from multilateralism, with the U.S. becoming the least supportive country of multilateralism among 193 UN member states [10][12]. - The administration's aggressive trade policies and withdrawal from international agreements have strained relationships with allies and reduced the U.S.'s global standing [11][13]. - Trump's approach has resulted in a significant decline in the U.S.'s soft power, as countries reassess their relationships with the U.S. and become more cautious in their engagements [12][13].
新闻分析|科研停滞,人才外流——特朗普政府政策引发美科学界“寒潮”
Xin Hua She· 2025-06-01 01:40
Core Viewpoint - The policies of the Trump administration have led to a significant decline in the U.S. scientific community, characterized by research stagnation and talent outflow, threatening the country's long-standing leadership in global scientific innovation [1][2][4]. Group 1: Impact on Research Institutions - The Trump administration has taken aggressive actions against top universities, including freezing billions in funding and threatening tax-exempt status, which has resulted in the halt of critical health-related research [2][3]. - Federal research institutions have seen substantial staff reductions, with thousands of positions cut from agencies such as the National Institutes of Health and the Centers for Disease Control and Prevention [2][3]. - The proposed budget for fiscal year 2026 includes drastic cuts to research funding, with a 37% reduction for the National Institutes of Health and over 50% for the National Science Foundation, alongside significant cuts to climate and ecological research [2][3]. Group 2: Long-term Consequences - The systematic impact of the Trump administration's policies on U.S. scientific innovation is expected to take decades to repair, as rebuilding trust in academic freedom and international collaboration is crucial [3][4]. - The reduction in research funding and withdrawal from international climate research collaborations are likely to hinder global scientific cooperation, particularly in public health and environmental research [3][4]. - The prioritization of "utility science" that directly translates to economic and geopolitical advantages has led to a neglect of basic research, which is now facing scrutiny and funding cuts [3][4]. Group 3: Global Research Landscape - The U.S. is experiencing a shift towards a more decentralized global research landscape, as other countries increase investments to attract talent, with a reported 32% rise in overseas job applications from U.S. researchers [4][5]. - Initiatives in Europe and Australia aim to draw top research talent away from the U.S., indicating a potential reconfiguration of the global scientific community [4][5]. - This trend may lead to multiple regional centers of research excellence, fostering new opportunities for collaboration across different fields [5].
特朗普“学术锁国”升级,全球顶尖科学家加速“东迁”中国
吴晓波频道· 2025-05-30 01:08
Core Viewpoint - The article discusses the implications of the Trump administration's policies on international students, particularly from China, and how these actions may lead to a talent drain from the U.S. to other countries, including China, which is positioning itself to attract top talent [1][5][23]. Group 1: U.S. Policy Changes - The U.S. government has begun to revoke visas for certain Chinese students, collaborating with the Department of Homeland Security to cancel the Student and Exchange Visitor Program (SEVP) certification, which is essential for international students to obtain visas [1][3]. - A recent ruling by the U.S. International Trade Court deemed Trump's tariffs imposed under the International Emergency Economic Powers Act illegal, potentially reducing tariffs on Chinese goods from 34% to around 12% [3][5]. - Trump's administration has targeted Harvard University, freezing $2.2 billion in research funding and threatening to limit its participation in U.S. research projects, which has led to significant backlash from educational organizations [19][20]. Group 2: Impact on Talent and Research - The policies are expected to diminish trust in the U.S. government and may deter international talent from coming to the U.S., as evidenced by a survey indicating that over 75% of U.S. researchers are considering leaving the country [5][20]. - The U.S. is experiencing a significant reduction in federal funding for science, technology, engineering, and mathematics (STEM) fields, with cuts amounting to $23 billion, which could halt many related projects [20][21]. - The article highlights that over half of the billion-dollar startups in the U.S. are founded by immigrants, with a quarter of those founders being international students [7][10]. Group 3: China's Competitive Advantages - China is leveraging its favorable research environment and policies aimed at attracting top-tier talent, including good working conditions and competitive salaries [28][32]. - China's R&D investment is rapidly increasing, projected to exceed 3.6 trillion yuan in 2024, which is double the amount from 2017, and represents 2.6% of its GDP [32][36]. - The country has become a hub for talent, with a total of 7.24 million R&D personnel, the highest in the world, and has surpassed 4 million valid invention patents [38][40]. Group 4: Global Talent Dynamics - The article suggests that the U.S. is losing its status as a talent magnet, with countries like Europe, Japan, and Singapore ready to welcome displaced U.S. students, initiating a new global talent competition [23][25]. - China's strong manufacturing base and complete industrial system provide opportunities for talent to apply their research practically, contrasting with the U.S. focus on theoretical research [41][50]. - The article concludes that the current global landscape favors countries that can attract and retain talent, with China poised to benefit significantly from the U.S.'s restrictive policies [49][52].
上海科技工作者规模超280万人,R&D人员近五年增幅49.2%
Di Yi Cai Jing· 2025-05-29 08:23
另据调查问卷数据,73.3%的受访者对我国到2035年建设成为"世界重要的人才中心和创新高地"发展目 标"很有信心"和"比较有信心";58.1%的科技工作者对未来五年的事业发展和工作状况持乐观态度; 59.0%的科技工作者认为未来生活水平会进一步提高。 上海市科协从2014年起,围绕上海国际科创中心建设,每五年开展一轮科技工作者状况调查。2024年9 月-2025年1月,上海市科协组织开展了第三次上海科技工作者状况调查。调查显示,与上个五年 (2014-2019)相比,这五年上海科技工作者在职业发展、科研工作、国际信息获取、社会参与等方面 呈现了一些特点及发展变化趋势。 职业稳定性方面,体现出发展稳定性好,工作方式体现较强自主性。调查问卷数据显示,90.5%的科技 工作者反映近五年"没有失业过",82.1%的科技工作者"没有考虑过更换目前的职业或工作单位",较上 个五年提高了约23个百分点。在工作自主性方面,58.7%的科技工作者认为可以很大程度决定工作的具 体方式,该比例较上个五年提高了1.7个百分点。 在科研工作满意度上,所学专业对口性较强。超七成(71.8%)科技工作者对当前工作较满意。其 中,"很满意 ...
矢志建设科技强国——五位科技领域代表讲述科研故事
Xin Hua Wang· 2025-05-29 00:26
Core Viewpoint - The article emphasizes the commitment to building a strong technological nation through innovative research and development efforts in various scientific fields, highlighting the contributions of five representatives from the technology sector [1][3]. Group 1: Deep-Sea Exploration - The "Fighter" deep-sea manned submersible, designed by Ye Cong, has achieved significant milestones, including a record dive depth of 10,909 meters and over 300 dives in the past five years, collaborating with four countries to gather environmental data and discover new deep-sea species [3][4]. - Future plans include advancing the intelligence, lineage, and systematization of manned deep-sea submersibles to support deep-sea exploration, protection, and development [3]. Group 2: Electromagnetic Compatibility - Su Donglin, an academician, aims to transform the understanding of electromagnetic compatibility from a perceived "mystery" into a scientific discipline, addressing its relevance in everyday appliances and large vehicles [3][4]. - The team has successfully identified the inherent laws of electromagnetic emissions and proposed the electromagnetic interference factor set theory, emphasizing the importance of practical problem-solving in scientific research [4]. Group 3: Ecological Research in Xinjiang - Zhang Yuanming, director of the Xinjiang Institute of Ecology and Geography, focuses on understanding how unique biological resources in arid regions adapt to harsh environments, contributing to the national ecological assessment and development roadmap [5]. - The ongoing third comprehensive scientific survey in Xinjiang aims to evaluate ecological carrying capacity and inform future development strategies [5]. Group 4: Science Education and Outreach - Chen Zheng, a professor at Beijing Jiaotong University, is dedicated to science education and outreach, aiming to make abstract scientific knowledge accessible and engaging for students [6]. - His involvement in national science popularization initiatives and the development of educational tools has significantly impacted science education across numerous universities [6]. Group 5: Artificial Intelligence Development - Summer Lixue, a young entrepreneur, leads a team focused on overcoming computational bottlenecks to promote the widespread application of artificial intelligence across various industries [6]. - The company aims to achieve efficient implementation and broad accessibility of AI technologies, reflecting the mission of the new generation of technology workers [6].
韩媒:四成科学家考虑出国工作,韩国正面临人才流失“不设防”状态
Huan Qiu Shi Bao· 2025-05-28 23:02
Group 1 - Over 60% of South Korean scholars in STEM fields have received talent recruitment invitations from abroad, indicating a potential brain drain situation in the country [1][2] - Among those who received offers, 42% have either accepted or are considering accepting the positions, while 83% of those who did not receive offers would consider them if they did [1] - The majority of recruitment invitations (82.9%) come from China, followed by the United States (26.8%) and Singapore (10.6%) [1] Group 2 - Key reasons for talent outflow include lack of continuous R&D investment (57.0%), limited compensation packages (52.5%), and inadequate research support (40.0%), with the most cited reason being the lack of post-retirement support for scholars (82.5%) [2] - The AI sector in South Korea has also seen a decline in foreign professionals, with a 12.3% decrease in the number of foreign workers in the field last year [2] - Issues such as complex visa regulations, lack of settlement support, and subpar working conditions are major factors contributing to the outflow of overseas talent [2]
第六届四川省“最美科技工作者”名单发布
Zhong Guo Xin Wen Wang· 2025-05-28 13:40
此外,活动还为王健、任志宇、刘贵松、陈颖、胡圣厦、侯俊利、唐勇、董碧军8位首批科技智库专家 代表颁发聘书,激励更多科技人才为四川省委、省政府科学决策建言。(完) 据介绍,此次活动由中共四川省委宣传部、中共四川省委军民融合办、四川省科学技术厅、四川省科学 技术协会、中国科学院成都分院主办。 揭晓的10位第六届四川省"最美科技工作者"中,成都理工大学研究员苏涛扎根青藏高原,破解古植物密 码;中国科学院光电技术研究所研究员蒲明博十年磨一剑,以新型光场调控理论打破传统限制;四川农 业大学水稻研究所教授李平以智能农机赋能乡村振兴;四川省畜牧科学研究院副院长杨朝武挽救濒危凤 尾鸡,带动农牧民增收致富;四川大学华西医院常务副院长刘伦旭创立"单向式胸腔镜肺叶切除术",惠 及全球80万患者;西南医科大学党委书记张春祥率先提出的"非编码核酸组学"理论,为心血管疾病诊疗 开辟新路径;东方电气集团东方电机有限公司总工程师梁权伟突破水电技术;四川翠微食品有限责任公 司董事长张仲安病榻攻坚获多项专利;东方电气集团东方锅炉股份有限公司高级工程师何杰点亮荒漠光 热能源;西南交通大学首席教授、一级教授何川三十载岩土为伴,带领团队攻克隧道工程世 ...