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【科技日报】我国启动聚变领域国际科学计划
Ke Ji Ri Bao· 2025-11-25 02:47
中国科学院合肥物质科学研究院副院长、等离子体所所长宋云涛表示:"今天发布这个计划,意味 着有更多国际科学家和中国聚变科学家携手合作,共同为解决人类未来能源的核心科学和工程问题而努 力。" (原载于《科技日报》 2025-11-24 01版) 核聚变能,通过模拟太阳的聚变反应释放能量,被认为是人类的"终极能源"。BEST装置,是我国 新一代"人造太阳"。根据研究计划,该装置将于2027年底建成,随后进行氘氚燃烧等离子体实验研究, 验证其长脉冲稳态运行能力,力求聚变功率达到20兆瓦至200兆瓦,实现产出能量大于消耗能量,并力 争在2030年演示聚变能发电。 据了解,此次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"等离子体所")牵头 发起燃烧等离子体国际科学计划,中欧聚变研究团队面向全球共同发布BEST研究计划,希望进一步整 合国际聚变领域的合作资源,凝聚国际聚变科学家智慧,通过设立开放科研基金、组织国际学术会议、 搭建联合实验平台、建设国际化人才队伍等方式,围绕聚变物理前沿问题开展合作研究。 24日,中国科学院"燃烧等离子体"国际科学计划项目在安徽合肥未来大科学城BEST装置大厅正式 启动,紧凑型聚 ...
【科技日报】中国空间科学创新发展进入“快车道”
Ke Ji Ri Bao· 2025-11-25 02:15
Core Insights - The National Space Science Center of the Chinese Academy of Sciences announced significant scientific breakthroughs in space science, marking a historic leap for China's space science innovation and positioning it as a leader in certain fields [1][5]. Group 1: Achievements and Innovations - Since its launch in 2011, the space science initiative has successfully developed and launched eight scientific satellites, achieving numerous original results and setting multiple records in China and globally [2]. - The "Tian Guan" satellite created the world's first X-ray all-sky map, while the "Wu Kong" satellite provided the most precise cosmic ray energy spectrum to date [2]. - The "Hui Yan" satellite directly measured the universe's strongest magnetic fields and detected high-speed jets near black holes, showcasing advancements in extreme condition measurements [2][3]. Group 2: International Collaboration - The initiative has fostered new paradigms of international cooperation, including the "Tian Guan" satellite project, which involved collaboration with the European Space Agency and other European countries [4]. - The "Wei Xiao" satellite project represents a comprehensive collaboration between China and Europe, covering all phases from design to data analysis [4]. Group 3: Future Plans - The National Space Science Center plans to focus on major frontier issues such as the origins of the universe, space weather, and life, with upcoming projects including the "Hong Meng Plan" and "Kua Fu II" [4]. - The goal is to achieve breakthroughs in areas like the dark ages of the universe and exoplanet detection during the 14th Five-Year Plan period [4].
【科技日报】嫦娥六号月壤“黏性”之谜揭开
Ke Ji Ri Bao· 2025-11-25 02:15
Core Insights - The latest research on the Chang'e 6 lunar soil reveals its unique "stickiness" due to specific particle interactions, which differ from the lunar soil samples collected by Chang'e 5 [1][2] Group 1: Research Findings - The Chang'e 6 lunar soil exhibits a higher repose angle, indicating greater stickiness compared to the lunar soil from the Chang'e 5 mission, which suggests different physical properties [1] - The research identified three key particle interactions—friction, van der Waals forces, and electrostatic forces—that contribute to the higher repose angle and thus the stickiness of the lunar soil [1][2] - The unique characteristics of the Chang'e 6 lunar soil, including its finer and more irregular particles, enhance the contributions of these forces, leading to its increased cohesiveness [2] Group 2: Implications for Future Missions - The findings provide critical scientific insights for future lunar exploration missions, particularly regarding the stability of landers and the potential for lunar dust dispersion during landing [2] - The research supports the development of lunar bases and resource utilization on the Moon, aligning with China's advancing deep space exploration initiatives [2]
为期两年,正式启动!填补通信空白
Ke Ji Ri Bao· 2025-11-25 01:39
Core Viewpoint - The Ministry of Industry and Information Technology of China has officially launched a two-year commercial trial for satellite IoT services, aiming to enrich the satellite communication market, stimulate market vitality, enhance service capabilities, and establish a regulatory framework to support the healthy development of emerging industries such as commercial aerospace and low-altitude economy [1]. Group 1: Understanding Satellite IoT - Satellite IoT utilizes satellite communication technology to provide data collection and transmission services for a vast array of IoT devices across land, sea, and air, covering applications in marine fisheries, transportation logistics, energy and water resources, emergency communications, low-altitude economy, and industrial internet [2][4]. - Unlike traditional IoT, which relies on terrestrial networks, satellite IoT offers full coverage, addressing communication gaps in remote areas, skies, and oceans [4]. Group 2: Role in Emerging Industries - Satellite IoT can achieve global real-time tracking and data transmission for low-altitude aircraft, effectively addressing communication shortcomings in low-altitude economies, such as in drone logistics where ground station coverage is insufficient [5]. - The technology can expand application scenarios in the low-altitude economy, such as supporting cross-regional operations of agricultural drones and maintaining communication for emergency rescue drones in disaster areas when ground networks are unavailable, thereby attracting more capital and resources into the low-altitude sector [6]. Group 3: Future Development of "Internet of Everything" - China's satellite communication sector is accelerating, with recent policy initiatives aimed at optimizing business access and promoting industry development, including the release of guidelines and a draft for public consultation on satellite IoT commercial trials [7]. - Major telecommunications companies in China, including China Telecom, China Mobile, and China Unicom, have obtained operational qualifications for satellite mobile communication, enabling them to conduct satellite direct connection services and enhance applications in emergency communications, maritime communications, and remote area connectivity [7].
青海都兰县:清洁供暖进万家
Ke Ji Ri Bao· 2025-11-25 01:19
Core Viewpoint - The successful implementation of the Dulan clean heating project in Qinghai Province represents a significant advancement in clean energy solutions for high-altitude, cold regions, benefiting over 11,700 households and setting a model for similar initiatives across China [1][2] Group 1: Project Overview - The Dulan clean heating project is the largest and most extensive clean heating initiative by China Datang Corporation in Qinghai, providing a comfortable heating season for residents [1] - The project utilizes air source heat pumps and electric boilers to convert abundant local photovoltaic and wind energy into heating, achieving zero emissions and pollution [1][2] Group 2: Environmental Impact - The project is expected to save 140,000 tons of standard coal annually, leading to a reduction of approximately 390,000 tons of carbon dioxide and 1,020 tons of sulfur dioxide emissions each year [2] - The implementation of the project contributes to a significant reduction in harmful pollutants, enhancing the overall environmental quality in Dulan County [2] Group 3: Technological Innovation - A smart heating management system adjusts the heat distribution based on indoor and outdoor temperature data, maintaining optimal comfort levels for residents [2] - The project serves as a case study for the digital transformation of heating systems in China, providing insights for the development of standards and measurement systems for clean heating in cold, high-altitude areas [2] Group 4: Socioeconomic Benefits - The clean heating project has created job opportunities for local residents, increasing their sense of happiness and satisfaction [2] - It represents a profound green transformation for Dulan County, contributing to a safe, low-carbon, and efficient heating framework [2]
江苏今年最大火电项目配套送出工程加速建设
Ke Ji Ri Bao· 2025-11-25 01:09
江阴利港2×100万千瓦机组扩建项目是江苏省能源建设重点工程,也是江苏电网500千伏沿江通道和"北 电南送"输电走廊的重要枢纽。作为该项目电力外送的"主动脉",其配套的500千伏电力送出工程于2024 年11月8日开工建设,新建一座500千伏桃花港开关站,并架设总长12.9公里的输电线路及43基铁塔。 作为经济大省,江苏今年加快推进8个火电项目升级改造,目前已有5个兼具高效环保与深度调峰能力的 项目陆续建成。据国网江苏省电力有限公司相关负责人介绍,江苏省一批火电项目正通过技术改造,逐 步由主力电源向调峰电源转型,积极融入新型电力系统建设。 "新机组采用二次再热技术,供电煤耗较常规机组降低10%,年减排二氧化碳约120万吨。"江苏利电能 源集团相关负责人表示,该项目将于11月底投运,有望为长三角地区注入新的发展动力。 国网无锡供电公司建设部主任宣伟锡介绍,该工程投运后将全面释放江阴利港电厂两台100万千瓦机组 的发电能力,每年可向苏南地区稳定输送电量88亿千瓦时,相当于260万户家庭一年的用电量,为区域 能源供应提供坚实保障。 记者11月23日从国网无锡供电公司获悉,江苏江阴利港2×100万千瓦机组扩建项目配套 ...
10月份我国新质生产力持续壮大
Ke Ji Ri Bao· 2025-11-25 00:42
Core Insights - The latest VAT invoice data indicates that China's new quality productivity is continuously growing, with robust growth in high-end manufacturing, innovative industries, and digital-physical integration, injecting new vitality into economic development [1][2] Group 1: High-end Manufacturing - In October, the sales revenue of the equipment manufacturing industry increased by 7.3% year-on-year, consistently above the average level of the manufacturing sector, accounting for nearly half of the manufacturing share [1] - Specific sectors such as computer communication equipment manufacturing, shipbuilding and related equipment manufacturing, and battery manufacturing saw sales revenue growth of 10.1%, 24.4%, and 27.2% respectively, demonstrating strong development momentum [1] Group 2: Innovative Industries - The sales revenue of high-tech industries grew by 13.6% year-on-year in October, with high-tech service industries and high-tech manufacturing industries increasing by 16.1% and 10.1% respectively [2] - The "Artificial Intelligence +" initiative has accelerated the growth of cutting-edge industries, with sales revenue for integrated circuits, industrial robots, and drone manufacturing increasing by 32.5%, 41.7%, and 38.4% respectively [2] Group 3: Digital-Physical Integration - In October, the sales revenue of core digital economy industries rose by 8.5% year-on-year, with national enterprise procurement of digital technology increasing by 9.6%, reflecting the ongoing advancement of digital industrialization and industrial digitization [2] - The digital product service industry and digital technology application industry saw sales revenue growth of 10.2% and 13.1% respectively, while the digital content and media industry experienced a significant increase of 15.2% [2]
嫦娥六号月壤“黏性”之谜揭开
Ke Ji Ri Bao· 2025-11-25 00:42
Core Insights - The latest research published in "Nature Astronomy" reveals the unique cohesive properties of lunar soil from the Chang'e 6 mission, highlighting its higher viscosity compared to samples from the lunar front [1][2]. Group 1: Research Findings - Researchers from the Chinese Academy of Sciences analyzed the Chang'e 6 lunar soil from a granular mechanics perspective, uncovering the scientific mechanisms behind its stickiness [1]. - The Chang'e 6 lunar soil exhibits a significantly higher repose angle than lunar front samples, indicating its flowability is closer to that of terrestrial clay [1]. - The increased stickiness is attributed to three microscopic inter-particle forces: friction, van der Waals forces, and electrostatic forces, which become more pronounced in finer particles [1][2]. Group 2: Unique Characteristics - High-precision CT scans revealed that the Chang'e 6 lunar soil particles are the finest yet exhibit irregular and non-spherical shapes, contrary to typical expectations [2]. - This "fine and rough" particle characteristic enhances the contributions of friction, van der Waals, and electrostatic forces, resulting in a higher repose angle and greater stickiness [2]. Group 3: Implications for Future Missions - The research provides crucial scientific foundations for future lunar exploration missions, as the flowability of lunar soil affects the stability of landers and the potential for lunar dust dispersion [2]. - The findings are expected to support advancements in lunar base construction and resource utilization, contributing to breakthroughs in lunar scientific research and resource management [2].
中国空间科学创新发展进入“快车道”
Ke Ji Ri Bao· 2025-11-25 00:42
Core Insights - The National Space Science Center of the Chinese Academy of Sciences announced significant breakthroughs in space science, marking a historic leap from "catching up" to "leading" in certain areas of space research [1][5] Group 1: Achievements and Innovations - Since its launch in 2011, the space science initiative has successfully developed and launched eight scientific satellites, achieving numerous original results and creating multiple firsts for China and the world [2] - The "Tian Guan" satellite produced the world's first X-ray all-sky map, while the "Wu Kong" satellite provided the most precise cosmic ray energy spectrum to date [2] - The "Hui Yan" satellite directly measured the universe's strongest magnetic fields and detected high-speed jets near black holes, showcasing advancements in extreme condition measurements [2][3] Group 2: International Collaboration - The initiative has fostered new paradigms of international cooperation, including the "Tian Guan" satellite project, which involved collaboration with the European Space Agency and other European countries [4] - The "Wei Xiao" satellite project represents a comprehensive collaboration between China and Europe, covering all phases from design to data analysis [4] Group 3: Future Plans - The National Space Science Center plans to focus on major frontier issues such as the origins of the universe, space weather, and life, with upcoming projects including the "Hong Meng Plan" and "Kua Fu II" [4]
深远海上的“移动实验室”
Ke Ji Ri Bao· 2025-11-25 00:42
Core Insights - The "Future" vessel, China's first deep-sea green intelligent technology experimental ship, has successfully completed its first deep-sea trial after 16 days at sea, marking a significant milestone since its delivery in July [1] - The vessel serves as a "mobile laboratory" for testing new green technologies, supporting deep-sea equipment applications, and aiding scientific ocean investigations [1] - The development of the "Future" vessel involved collaboration among over ten units under China Shipbuilding Group, focusing on breakthroughs in key technologies for power systems and scientific support systems [1] Group 1: Power System Innovations - The "Future" vessel is equipped with four main diesel generators and six thrusters, designed to provide reliable and green power for various operations [2] - To optimize fuel efficiency and reduce emissions, the team implemented multi-phase rectification and variable-speed generation technologies, allowing the vessel to adjust power output based on operational needs [2][3] - The new power system is projected to save 456 tons of fuel annually and reduce carbon emissions by approximately 1,420 tons, equivalent to the emissions of 560 cars in a year [3] Group 2: Deep-Sea Equipment Support - The vessel features a "moon pool" that facilitates the deployment of deep-sea equipment, minimizing the impact of adverse sea conditions [4] - A novel design was developed to allow deep-sea equipment to be securely lowered into the water, enhancing operational efficiency [4][5] - The construction team successfully controlled the precision of the guiding tracks to within 1 millimeter, ensuring smooth operation of the equipment [5] Group 3: Intelligent Testing Systems - The "Future" vessel is equipped with over 8,000 data collection points to monitor equipment status and environmental changes [6] - A distributed intelligent data collection architecture was developed to synchronize data from various sources in real-time, addressing challenges in data collection from diverse systems [7] - The dynamic testing system will continue to support the testing and validation of intelligent devices, contributing to the smart and green transformation of the shipbuilding industry [7]