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机器人赛事汇聚东盟国家约1800名学生参与 广西科协倾力打造“东盟科普大家庭”
Ke Ji Ri Bao· 2025-07-31 09:16
让机器人完成抛绣球,利用人工智能解决物流运输难题……7月28日至30日,第22届广西青少年人工智 能及机器人竞赛暨跨区域面向东盟国家邀请赛在广西贵港举行。 近年来,广西结合地域特色和区位优势,抓住"一带一路"倡议带来的机遇,充分发挥广西面向东盟的桥 头堡作用,致力于打造东盟国家科普大家庭。2019年,中国科协批准广西科协成立中国—东盟科普国际 交流中心,并在广西科技馆挂牌。该中心整合科普、学会、高校、企业、科研院所等各方资源,持续打 造高端国际科普交流平台。 黎宁向记者介绍,广西与东盟各国开展科普交流合作的主要形式包括开展青少年科普活动、科普资源共 建共享以及科普场馆联建等。例如,通过"送培到东盟""同上一堂科学课"等活动,将优质科普资源送至 东盟国家。 "通过加强与东盟国家科技文化交流,我们搭建了丰富的科普资源平台,人才队伍得到锻炼成长,科普 教育资源特别是国际化资源逐步积累,国际合作机制逐渐成熟。"广西科技馆馆长黄星华说,"广西的科 普活动资源也变得更加丰富,也增进了友谊和了解。" 黎宁说,接下来,广西要扩大科普合作面、提高科普内容质量,让科普资源辐射更多东盟国家。 据介绍,广西科技馆正在打造东盟科技展, ...
国家防总部署全力做好防汛抢险救灾工作
Ke Ji Ri Bao· 2025-07-31 09:16
通知强调,突出做好江河洪水的防御工作,科学调度防洪骨干工程,强化水库、闸站等联合运用,特别 要做好蓄滞洪区运用准备。加强超警江河、超汛限水库巡护查险,提前预置抢险力量物资,发挥"老把 式"和新科技作用,用好专业技术力量,及时发现险情征兆,快速组织抢险处置。各类水库水电站防 汛"三个责任人"要到岗到位、履职尽责,强化巡查值守和应急抢护。 通知要求,科学调配救援力量和物资,根据灾害风险形势和抢险救援需求,特别是针对山洪地质灾害风 险区和涉水涉河重要基础设施、超汛限水库、超警堤段等,做好应急处突力量和救灾物资装备的预置布 防,确保发生突发紧急情况后第一时间响应、第一时间处置。加强抗洪抢险、排水除涝、应急发电等装 备配备,在高风险镇村等预置卫星电话等应急通信装备,努力保障极端条件下信息传递通畅。 此外,通知还要求盯紧守牢中小河流、堤防险工险段、中小病险水库和"头顶库"、山洪灾害风险区和地 质灾害隐患点以及低洼易涝区、施工工地、养老院、中小学校、医院等防汛薄弱环节和重点区域,迅速 开展针对性隐患排查整治,严防各类次生灾害。全面加强水利、交通、通信、电力、能源等重要基础设 施的安全防护和安全管控。严格落实直达基层责任人的 ...
辉煌60载 魅力新西藏|科技“酿”好酒 味道更香醇
Ke Ji Ri Bao· 2025-07-31 09:16
"青稞酒酥油茶会更加香甜,幸福的歌声传遍四方……"多年来,歌曲《天路》中关于青稞酒的唱词已深 入人心。 高原地区气压较低、温差较大,为酿酒工序带来了诸多困难。为打破环境限制,该公司与西藏自治区农 科院合作,根据高原地区特殊的环境条件,打造了一套专用的全自动化机械生产设备。 自动化酒曲加工设备每小时可加工1500块大曲,每年产量1500吨;特殊的酒甑压力盖可在高海拔条件下 制造出适宜发酵的常压环境,避免高原低压破坏产品酿制过程;自动化上甑机器人可实现远程操作,极 大减轻工人劳动强度……一道道精密工序让青稞蜕变为餐桌上的佳酿。 "针对高原的温差问题,我们也提出多个解决方案,如将窖池深挖到3.9米、用上保温窖池盖等。"冯举 耀介绍,下一步,厂内还将建设恒温系统,通过光伏板等设施来储存高原太阳能,解决车间内能源供应 问题,使酿酒不再受四季温差和昼夜温差影响。 作为西藏代表饮品之一,青稞酒拥有鲜明的地方特色与悠久的历史文化,但碍于诸多条件限制,其在全 国酒业市场常年处于小众地位。而今,新型技术与专业人才的加入,为这种源远流长的高原名酒注入了 全新活力。 近日,科技日报记者随"辉煌60载 魅力新西藏"集中采访活动组,来到 ...
一汽解放:锻造商用车强劲“中国心”
Ke Ji Ri Bao· 2025-07-31 04:43
Core Insights - On July 13, 2023, FAW Jiefang Automotive Co., Ltd. launched four smart power domain products, marking significant technological breakthroughs in traditional fuel, new energy, and hydrogen power sectors [1][6]. Group 1: Product Development - The powertrain development of FAW Jiefang can be divided into three stages, with the current focus on creating a smart power domain that aligns with industry trends towards high intelligence, reliability, and low cost [5]. - The newly launched smart power domain is an integrated solution that includes engines, transmissions, drive axles, and intelligent control software [6]. Group 2: New Energy Solutions - FAW Jiefang has established a comprehensive layout for new energy power domain products, including pure electric, hybrid, and hydrogen platforms, with the EE270 product achieving a system efficiency of 92% [6]. - The company has developed full-chain autonomous production capabilities for electric drive and battery systems, along with innovative detection systems for manufacturing quality [6]. Group 3: Market Strategy - FAW Jiefang aims to achieve a revenue target in the billions by transitioning from traditional manufacturing to a "service + green ecosystem" model [6]. - The company has built a high-end customer network covering domestic logistics enterprises and overseas markets, evidenced by partnerships with major companies like TWT and Debang Logistics [7]. Group 4: Corporate Vision - The leadership emphasizes the commitment to building a strong national automotive brand and contributing to the high-quality development of China's automotive industry [7].
中国核能建设打破“成本攀升魔咒”
Ke Ji Ri Bao· 2025-07-31 02:40
Core Viewpoint - The nuclear energy sector is experiencing renewed interest globally, with over 30 countries committing to triple their nuclear power capacity by mid-century, and China successfully halving construction costs over the past 20 years, providing valuable lessons for other nations [1][2]. Group 1: Cost Reduction in Nuclear Energy - Historical challenges of rising costs in the nuclear industry have been evident, with the U.S. experiencing a tenfold increase and France nearly tripling costs [1]. - China's experience demonstrates that through strategic measures such as stable regulatory environments, domestic supply chain development, and standardized reactor designs, construction costs can be effectively reduced [2]. - The combination of various measures from the 1990s to 2005 enhanced China's innovation capabilities in nuclear energy, significantly increased production capacity from 2005 to 2010, and accelerated the adoption of advanced safety measures post-2011 [2]. Group 2: Global Nuclear Energy Expansion - The U.S. aims to double its nuclear power capacity by 2050, while China is constructing or planning over 30 reactors, and France has announced plans for 14 new reactors [1]. - Major technology companies like Amazon, Google, and Microsoft are investing in nuclear energy to power their data centers and reduce carbon emissions [1]. - The article emphasizes the need to balance affordability, safety, scalability, investor confidence, and public trust in the expansion of nuclear energy, or it may remain an expensive option globally [3].
超大型冲击式水轮机转轮锻件制造突破极限
Ke Ji Ri Bao· 2025-07-31 02:37
Core Insights - The project "500MW level impulse turbine runner high toughness manufacturing technology and equipment" has achieved a significant milestone with the successful acceptance of the core topic led by China First Heavy Industries [1] - The developed full-size forged-welded structure runner components exhibit excellent and stable high-performance reserves, as well as ultra-high uniformity and consistency in organization, representing the current international top manufacturing level in this field [1] - The 500MW level forged-welded impulse turbine runner, known as the "heart" of the impulse turbine generator set, has extreme requirements for high strength and toughness due to its long service life and high reliability [1] Industry Impact - This achievement signifies that China has mastered the extreme manufacturing capability of full-size 500MW level impulse turbine runner forgings, providing solid core equipment support for major hydropower projects and energy security in the country [2] - The project team has innovatively constructed an integrated toughness manufacturing system that spans material composition optimization, precise forging shape control, efficient collaboration of processing resources, and fine-tuning of heat treatment processes [1] - The successful resolution of challenges in manufacturing ultra-large impulse turbine runners establishes the core capability for high-quality and stable production of full-size forgings, paving the way for future engineering applications [1]
【科技日报】中国散裂中子源二期工程首栋建筑单体完工
Ke Ji Ri Bao· 2025-07-31 01:44
目前,中国散裂中子源建安工程各项节点正按计划推进,后续将通过倒排工期、优化工序及资源投 入,全力保障"8月底背散射谱仪实验站完工、年底全面主体封顶"两大年度节点目标如期实现。 (原载于《科技日报》 2025-07-31 02版) 大科学装置的建安工程是保障装置性能的基石。中国散裂中子源二期建安工程是广东省和东莞市的 重点建设项目,将新建直线设备楼(二期)及直线低温厅、实验支撑设备楼、背散射谱仪实验站、放射 性固体废物暂存厅和高能质子实验厅等5栋建筑单体。工程于2024年7月开工,计划于2026年8月竣工, 建成后将有力推动粤港澳大湾区的原始创新能力,与其他大科学装置形成集群优势。 国家"十四五"规划重大科技基础设施——中国散裂中子源二期工程迎来新进展。7月29日,中国散 裂中子源二期工程项目首栋建筑单体——放射性固体废物暂存厅顺利提前完工,为后续精密设备安装、 系统联调等关键环节筑牢根基。 中国散裂中子源位于广东省东莞市,是被誉为"超级显微镜"的大科学装置。2018年8月23日,中国 散裂中子源通过国家验收。2024年1月9日,中国散裂中子源二期工程正式启动,主要建设11台中子谱仪 和实验终端,并新增国内首台 ...
智能监测系统为高铁“号脉”
Ke Ji Ri Bao· 2025-07-31 01:25
Core Viewpoint - The article highlights the advancements and significance of the intelligent monitoring system developed by Dalian Baishengyuan Technology Co., Ltd. for high-speed trains, emphasizing its role in enhancing safety and operational efficiency in rail transport. Group 1: Company Overview - Dalian Baishengyuan Technology is the first company in China to research and develop intelligent onboard safety monitoring systems for high-speed trains [2] - The company has been a leader in the field of bearing vibration detection and has participated in drafting multiple national standards and safety regulations for railway monitoring and maintenance [2] Group 2: Product Features and Benefits - The intelligent monitoring system can monitor over 160 key points, including wheels, car bodies, tracks, and axle boxes, providing real-time health assessments of trains [1] - The system utilizes big data to analyze vibration frequencies, allowing for early fault detection and timely alerts, thus ensuring operational safety [1] - The implementation of this system has resulted in a 20% reduction in operational and maintenance costs, facilitating a shift from scheduled maintenance to condition-based maintenance [2] Group 3: Market Expansion and Growth - The company has experienced explosive revenue growth, with a compound annual growth rate of 140% from 2022 to 2024 [2] - Baishengyuan's products are not only used in high-speed trains but have also been adopted in urban metro systems, with installations in cities like Xi'an, Shenyang, and Dalian [2] - Recent collaborations include a project with CRRC Dalian Locomotive and Rolling Stock Co., Ltd. for the Guangzhou Metro, showcasing the company's expanding market presence [2] Group 4: Future Directions - The company is actively exploring applications beyond rail transport, including wind power, shipping, and aerospace, while enhancing its research and development efforts [3] - Future plans include deepening the value extraction from data assets and developing more intelligent ground operation systems to ensure safe travel [3]
量子隧穿过程新观测颠覆传统认知
Ke Ji Ri Bao· 2025-07-31 01:25
Core Insights - The research presents a significant breakthrough in understanding quantum tunneling, specifically the newly observed phenomenon of "in-barrier collisions" of electrons, challenging traditional views that electrons only interact with atomic nuclei after tunneling [1][2] - This discovery has implications for the development of technologies reliant on quantum tunneling, such as semiconductors and quantum computers, providing new theoretical support for advancements in these fields [1][2] Group 1: Quantum Tunneling Phenomenon - The research team utilized strong laser pulses to induce quantum tunneling in electrons, leading to the unexpected finding that electrons collide with atomic nuclei within the barrier [2] - The phenomenon of "in-barrier collisions" indicates that electron interactions can occur inside the barrier, contrary to previous theories [2] - The study reveals that electrons gain energy during the tunneling process, resulting in a significantly enhanced "Freeman resonance" effect, which is independent of laser intensity variations [2] Group 2: Implications for Semiconductor Technology - This research challenges traditional theories and opens a new dimension for exploring particle behavior, potentially stimulating further research in the micro-world [3] - The findings are expected to greatly advance semiconductor technology, as precise control over electron behavior is crucial for device design [3] - The newly discovered "in-barrier collisions" and associated energy exchange mechanisms may provide new pathways for optimizing device performance and efficiency, particularly in the development of high-performance transistors and sensors [3]
联合防控、哨点监测、“高温+虫媒”预警……法国这样应对基孔肯雅疫情
Ke Ji Ri Bao· 2025-07-31 00:04
Core Viewpoint - The World Health Organization (WHO) has raised alarms about a new outbreak of Chikungunya virus linked to the Indian Ocean region, which has spread to Europe and other continents, urging immediate action to prevent a repeat of the global epidemic from 20 years ago [1] Group 1: Current Situation and Historical Context - France has reported approximately 800 imported cases of Chikungunya since May 1, with 12 confirmed local transmission cases [1] - The most severe outbreak historically occurred in the French overseas department of Réunion from 2005 to 2006, infecting over 26.6 million people and resulting in 250 deaths [2] - France is considered a high-risk country for Chikungunya due to frequent exchanges with French-speaking African nations and the increasing frequency of imported cases every 3-5 years [2] Group 2: Response and Prevention Strategies - France has established a comprehensive response and prevention system for mosquito-borne diseases, integrating national and community-level strategies [3] - The "National Mosquito-Borne Disease Monitoring System" operates through five key stages: capture, identification, detection, early warning, and response [3] - The EID-Med program monitors the distribution and virus-carrying status of Aedes albopictus mosquitoes, providing real-time data to decision-makers [3] Group 3: Climate Change Impact - Climate change is enhancing the suitability of European climates for mosquito species, particularly Aedes albopictus, leading to an increased risk of virus transmission [5] - France's inland areas now possess the climatic conditions necessary for Chikungunya virus transmission, with local cases reported earlier than in previous years [6] - A comprehensive early warning system combining climate suitability models and northward transmission predictions is necessary to address the challenges posed by climate change [6] Group 4: Recommendations for Other Regions - The experience from France suggests that countries facing similar risks should enhance quarantine measures for incoming travelers and goods from endemic regions [6] - Continuous mosquito control activities and environmental health interventions are recommended to mitigate risks [6] - Establishing a monitoring system similar to France's could help in early detection and response to potential outbreaks [6]