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国产离子回旋加热系统通过验收
Ke Ji Ri Bao· 2025-09-11 23:45
(文章来源:科技日报) 等离子体物理研究所研究员秦成明介绍,离子回旋加热系统的成功验收,标志着项目团队成功突破该系 统核心技术瓶颈,实现了全链路国产化与自主可控,具有重要应用价值。其相关技术还可拓展应用于运 载推进、医疗健康、电子科技等领域。 11日,离子回旋加热系统顺利通过专家组验收,标志着我国在高功率射频加热技术领域取得新突破。该 系统由中国科学院合肥物质科学研究院等离子体物理研究所(以下简称"等离子体物理研究所")牵头承 担,系国家"十三五"重大科技基础设施聚变堆主机关键系统综合研究设施(CRAFT)项目关键子系 统。 离子温度是聚变堆"点火"的关键参数。在氘氚聚变反应中,离子温度需达到上亿摄氏度并自持燃烧,离 子回旋可直接加热等离子体中的离子,有效提升反应概率,但其波源核心器件长期受国外垄断制约。面 向未来聚变堆需求,CRAFT项目团队围绕发射机核心器件兆瓦级电子四极管研制、大功率合成器研 制、聚变堆天线设计等关键技术,历经5年技术攻关,实现兆瓦级电子四极管的研发和国产化;创新设 计多路大功率合成网络及低损耗传输器件,实现了40—80MHz宽频段2MW功率、千秒量级稳定输出, 完成兆瓦级功率合成与传输 ...
2025江苏产学研合作对接大会开幕信长星出席并启动开幕 许昆林致辞
Xin Hua Ri Bao· 2025-09-11 23:34
Group 1 - The 2025 Jiangsu Industry-University-Research Cooperation Conference was held in Nanjing, emphasizing the integration of technology and innovation for new productivity [1][2] - Jiangsu aims to become a globally influential industrial technology innovation center, enhancing cooperation between industry, academia, and research [1][2] - The conference highlighted the importance of transforming scientific achievements into practical productivity, focusing on demand-oriented and industrialization directions [1][2] Group 2 - The Ministry of Science and Technology supports Jiangsu in leading the integration of technological and industrial innovation, enhancing the quality of technological supply [2] - The Chinese Academy of Sciences aims to play a leading role in achieving high-level technological self-reliance, focusing on major innovation projects and core technology breakthroughs [2] - The conference featured over 50 academicians and 70 leaders from universities and research institutions, showcasing over 4,100 technological achievements and 3,600 enterprise technology demands [3]
国产离子回旋加热系统研制成功 实现全链路自主可控
Zheng Quan Shi Bao· 2025-09-11 18:01
9月11日,由中国科学院合肥物质科学研究院等离子体物理研究所牵头承担,国家"十三五"重大科技基 础设施聚变堆主机关键系统综合研究设施项目(CRAFT)取得重大进展,其关键子系统——离子回旋 加热系统(ICRF)顺利通过专家组验收,标志着我国在高功率射频加热技术领域取得新突破。 离子温度是聚变堆"点火"的关键参数。在氘氚聚变反应中,离子温度需达到上亿摄氏度并自持燃烧, ICRF可直接加热等离子体中的离子,有效提升反应概率。研究人员表示,该系统的成功验收,标志着 团队成功突破相关技术壁垒,解决了离子回旋加热系统核心技术瓶颈,实现了全链路国产化与自主可 控,具有重要工程应用价值。未来,相关技术还可拓展应用于运载推进、半导体、医疗健康、电子科技 等领域。 (文章来源:证券时报) ...
华人学者一天发表了9篇Nature论文
生物世界· 2025-09-11 04:06
撰文丨王聪 编辑丨王多鱼 排版丨水成文 2025 年 9 月 10 日,国际顶尖学术期刊 Nature 上线了 23 篇论文 , 其中 9 篇来自华人学者 (包括作为 通讯作者和第一作者的论文) 。 9 月 10 日,清华大学 地球系统科学系 张强 教授作为通讯作者 (清华大学 王玥璇子 、 肖清扬 作为共同 第一作者) , 在 Nature 期刊发表了题为: Long-range PM2.5 pollution and health impacts from the 2023 Canadian wildfires ( 2023 年加拿大野火引发的远距离 PM2.5 污染及健康影响 ) 的研究论文 【1】 。 9 月 10 日, 清华大学生物力学与医学工程研究所 邵玥 、 昆明理工大学灵长类转化医学研究院 白冰 、华 大/山西医科大学 刘心 、国科温州研究院 林峰 作为共同通讯作者 (清华大学 李夏 、国科温州研究院 林 峰 、昆明理工大学 崔琪琪 为共同第一作者 ) , 在 Nature 期刊发表了题为: Human gastroids to model regional patterning in ear ...
六十载光阴流转,这份精神从未褪色
Ke Ji Ri Bao· 2025-09-08 00:34
Core Viewpoint - The article commemorates the 60th anniversary of the first artificial synthesis of bovine insulin in China, highlighting the enduring spirit of scientific innovation and the importance of passing this legacy to future generations of researchers [1][2]. Group 1: Historical Significance - The artificial synthesis of bovine insulin is regarded as a milestone in the journey to uncover the essence of life, marking a significant leap in the history of life sciences [1]. - The project began in December 1958, three years after the first determination of the primary structure of insulin, and faced immense challenges in a scientific "no man's land" [1]. Group 2: Scientific Spirit - The perseverance and dedication of the pioneering scientists, who worked under extremely challenging conditions, exemplified the spirit of innovation, rigor, and collaboration [2]. - The successful synthesis of crystalline bovine insulin in September 1965 represented the first instance of artificially creating a protein with the same chemical structure and biological activity as its natural counterpart [2]. Group 3: Call to Action - Current scientists are encouraged to learn from the insulin synthesis team, striving to reach new scientific heights and embrace their responsibilities in advancing national strategic technological capabilities [3]. - The emphasis is placed on integrating personal pursuits with national development goals, aiming for more original breakthroughs in technology [2][3].
首届“全国科普月”暨第八届“广东科普嘉年华”启动
Nan Fang Ri Bao Wang Luo Ban· 2025-09-05 08:01
今年9月是首个"全国科普月"。9月4日,广东省首届"全国科普月"暨第八届"广东科普嘉年华"启动仪式 在广州正佳广场举行,主会场活动将持续至9月7日,市民群众逛着街就能免费玩转科普。整个9月,预 计全省将开展超过3000场次科普活动。 为弘扬科学家精神、树立科技榜样,成洪波向广东省新一代通信与网络创新研究院院长朱伏生、广州地 铁设计研究院总工程师农兴中、南方医科大学南方医院院长孙剑等2024年广东省"最美科技工作者"代表 颁发荣誉证书。该评选由省科协、省委宣传部、省科技厅等联合开展,经层层筛选,最终选出10名获得 者。 广东省"最美科技工作者"代表还与来自科研院所、高等院校、中小学校、科普组织的志愿者代表共同向 全社会发起"新质生产力科普倡议",呼吁全社会各界力量积极参与科普实践,发挥各自专业特长,广泛 开展新质生产力科普宣讲,为提升公民科学素质、加快实现高水平科技自立自强贡献自己的智慧与力 量。 "我从事3D打印生物材料方面的工作,到中小学去做科普演示时,我们把食品级的3D打印机拿到课堂 上,让孩子设计不同形状的巧克力,孩子们都很感兴趣。""最美科技工作者"代表、中国科学院深圳先 进技术研究院生物医学与健康工 ...
同饮一江水、共护一片蓝,澜沧江湄公河——长江文明论坛在汉举行
Chang Jiang Ri Bao· 2025-09-03 08:16
Core Viewpoint - The forum held in Wuhan focused on the dialogue of river civilizations and regional cooperation development, aiming to foster consensus for sustainable development and mutual learning among the river basins [1][3]. Group 1: Forum Overview - The "Lancang-Mekong and Yangtze Civilization Forum" was successfully held on August 31, co-hosted by the Wuhan International Cultural Exchange Center and Wuhan University, attracting experts and scholars from China and Southeast Asia [1]. - The forum included keynote speeches and five sub-forums covering topics such as boundary oceans, Yangtze civilization, geographical space, carbon neutrality, and non-traditional security [2]. Group 2: Key Discussions and Collaborations - Discussions emphasized the internal connections between the two river civilizations and led to multiple cooperation agreements, including the establishment of partnerships with 28 universities from the five Lancang-Mekong countries [1][2]. - The forum also highlighted the successful hosting of the Lancang-Mekong River Basin Governance and Development Youth Innovation Design Competition, which will be taken over by Wuhan University for its tenth edition in 2026 [2]. Group 3: Broader Implications - The forum is a practical implementation of the Global Civilization Initiative, aligning with the spirit of the China-ASEAN Comprehensive Strategic Partnership Action Plan to promote peace, security, prosperity, and friendship [3]. - The Wuhan International Cultural Exchange Center played a crucial role in coordinating the event, aiming to deepen regional cooperation and facilitate dialogue between the civilizations of the Yangtze and Lancang-Mekong rivers [3].
上海启动科妍回归计划,这样支持女性科技人才
Di Yi Cai Jing· 2025-09-02 10:17
Group 1 - The core initiative is the "Koyan Return Plan" in Shanghai, aimed at providing comprehensive support for female scientific talents who temporarily leave their research positions due to childbirth, facilitating their return to the research field [1][4] - The plan will evaluate applicants based on their research capabilities and professional qualities, selecting outstanding female scientific talents with development potential for support, including personal childbirth subsidies and research funding [1][4] - The initiative is part of a broader effort to enhance the concentration of high-level female scientific talents in Shanghai, which is significant for building an international innovation center and a global talent hub [1][3] Group 2 - As of 2023, there are approximately 40 million female scientific workers in China, accounting for 45.8% of the workforce, but the proportion of women in senior positions or leading roles is notably low [3] - The representation of female leaders decreases with the level of national natural science fund projects: about 40% in the Youth Science Fund, 20% in the Excellent Youth Science Fund, and only around 10% in the Distinguished Youth Science Fund [3] - Previous policy support includes measures from the Ministry of Science and Technology and the All-China Women's Federation to enhance the role of female scientific talents in innovation, with specific initiatives launched in Shanghai to support women during pregnancy and breastfeeding [3]
怀柔科学城五年产出重大科技成果386项
Xin Jing Bao· 2025-09-02 04:23
Core Insights - The Huairou Science City has significantly accelerated its development since the initiation of the "Two Zones" construction, with 29 scientific facilities now in research status and a total of 26,000 researchers contributing to 386 major scientific achievements [1][2] Group 1: Infrastructure and Facilities - A total of 37 scientific facility platforms have been established, with 29 now operational in research, including 16 facilities that are open for global sharing, providing over 1.51 million hours of service to more than 1,000 domestic and international enterprises, universities, and research institutions [1] - Eight new projects have been accelerated during the 14th Five-Year Plan period, while 25 reserve projects have been initiated for the 15th Five-Year Plan [1] Group 2: Talent Attraction and Research Output - The Science City has attracted 33 Nobel laureates for academic exchanges, along with 39 highly cited scientists, 86 academicians, 316 national young scientific talents, and 712 foreign talents, bringing the total number of researchers to 26,000 [2] - Key technological breakthroughs have reached 59, with 386 major scientific achievements and 465 high-level academic papers published, leading to 13 national science and technology awards and 26 Beijing science and technology awards [2] Group 3: Supportive Infrastructure and Community Development - To attract international talent and institutions, the Science City has improved transportation, housing, and public services, including increasing train services on key rail lines and initiating construction on the third phase of the Jingmi Expressway [2] - The construction of high-quality communities such as Yanqi Town and Yanqi International Community has resulted in nearly 30,000 housing units, alongside significant enhancements in education and healthcare services [2] Group 4: Innovation Platforms and Technology Transfer - The Science City has established 46 innovation platforms focused on common technologies and concept validation, and has introduced over 120 technology service institutions, including the Beijing-Tianjin-Hebei National Technology Innovation Center [2] - More than 1,000 technology managers have been trained, and 187 projects have been successfully converted, with a notable flexible coal-fired power generation project recognized as one of Beijing's top ten excellent cases for patent conversion [2]
浙江大学,一天发表了3篇Nature论文
生物世界· 2025-08-31 04:06
撰文丨王聪 编辑丨王多鱼 排版丨水成文 2025 年 8 月 27 日, 浙江大学 作为 第一单位 在国际顶尖学术期刊 Nature 上发表了 3 篇论文。 首次揭示硫化物氧化耦合三价铁矿还原的微生物及其代谢途径 8 月 27 日,浙江大学环境与资源学院 陈松灿 研究员作为第一作者兼共同通讯作者, 在 Nature 期刊发表 了题为: Microbial iron oxide respiration coupled to sulfide oxidation 的研究论文 【1】 。 自生命起源以来, 微生物 始终驱动着地球 硫循环 的运行。然而,我们对微生物的硫循环能力及其与其他 元素循环的耦合机制仍知之甚少。其中一个未被认知的代谢过程是硫化物氧化与三价铁氧化物还原的耦合 反应——这个广泛存在的环境过程迄今为止被认为仅由非生物过程主导。 在这项最新研究中,研究团队通过全面的原核生物硫代谢基因组分析,首次揭示了能够利用细胞外固态三 价铁作为电子受体进行硫化物氧化的细菌类群。基于百余个参与硫化合物异化转化基因构建的系统发育框 架表明, 硫循环代谢能力普遍存在于细菌和古菌的众多门类中 。代谢重构预测显示,37 个原核 ...