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冻土之上,能源大动脉“热流奔腾”
Ke Ji Ri Bao· 2025-08-21 09:29
Core Insights - The Northeast Energy Strategic Corridor has successfully transported over 330 million tons of crude oil and more than 100 billion cubic meters of natural gas, contributing significantly to the high-quality development of the economy and the well-being of the people [1][3]. Group 1: Technological Innovations - The corridor has achieved the world's first successful crossing of the unstable permafrost zone in the southern Eurasian continent, with key equipment and core control systems fully domestically produced [1][7]. - A pioneering method for predicting permafrost evolution in thermal oil pipelines has been developed, allowing for scientific forecasting of permafrost distribution and dynamic changes [4]. - The research team has created a comprehensive technology system for controlling thawing in permafrost areas, reducing the thawing rate by 70% and ensuring dynamic stability of the pipelines [4][5]. Group 2: Pipeline Safety and Design - The "North Gas South" energy corridor, a landmark project for China's third-generation high-capacity natural gas pipelines, has a daily gas transmission capacity exceeding 110 million cubic meters and an annual capacity of 38 billion cubic meters [6][10]. - A new crack toughness prediction model for large-diameter high-strength pipelines has been developed, incorporating soil type, burial depth, and pipe diameter as dynamic coupling factors [8]. - The first full-scale gas explosion test for a 1422 mm large-diameter, X80 high-strength pipeline was conducted, validating the crack toughness indicators and ultimate load-bearing capacity of the pipeline [8]. Group 3: Intelligent Monitoring - The research team has developed a high-resolution magnetic-electric composite sensing technology for detecting micro-defects and additional stress in large-diameter pipelines [11]. - A pipeline inspection robot equipped with numerous sensors can travel inside the pipeline, collecting approximately 2G-3G of data per minute without affecting the pipeline's operation [11][12]. - An intelligent analysis system has been created to interpret the collected data, enabling timely detection of hidden pipeline defects or stress changes [11]. Group 4: Strategic Importance - The Northeast Energy Strategic Corridor serves as a crucial energy corridor and a flagship project of the Belt and Road Initiative, promoting the development of safe, green, and friendly pipelines [12].
我国空间站舱外服B实现“4年20次”延寿目标
Ke Ji Ri Bao· 2025-08-21 08:13
Core Insights - The Shenzhou-20 mission successfully completed its third extravehicular activity (EVA) on August 15, with astronaut Chen Dong wearing the space station's extravehicular suit B, which has now supported 20 EVAs, achieving China's goal of "4 years and 20 times" for suit longevity [1] - The suit has been used by 11 astronauts across 8 manned missions, demonstrating stable performance and providing strong support for the operational tasks of the space station [1] - The space station's extravehicular suit has significantly improved functionality and performance compared to the first-generation suits, enhancing longevity, safety, and operational efficiency [1] - As of early 2024, the extravehicular suit is approaching the design limit of "3 years and 15 times" for in-orbit use, necessitating a scientific approach to assess its remaining lifespan [1] - A health monitoring and lifespan assessment plan has been developed to ensure the safety and reliability of the suit during its in-orbit usage [1] - Two new extravehicular suits D and E have been successfully unpacked and tested, ready for future EVA tasks [2]
“太湖之光”全面投产——清淤利器开创河湖治理新模式
Ke Ji Ri Bao· 2025-08-21 08:13
Core Viewpoint - The article highlights the launch of "Taihu Light," an innovative integrated ecological dredging platform developed by China Communications Tianjin Navigation Bureau, which aims to address sediment issues in Taihu Lake without occupying land or negatively impacting the environment [1][2][3] Group 1: Company Overview - China Communications Tianjin Navigation Bureau has independently designed and developed the world's first ecological dredging platform, "Taihu Light," which officially commenced full production on August 15 [1] - The company faced significant challenges in developing this technology, as there were no existing precedents for an integrated dredging platform [2] Group 2: Technology and Innovation - "Taihu Light" utilizes advanced technologies, including the V-MBR (Vibrating Membrane Bioreactor) for efficient water treatment, allowing for the processing of sediment and wastewater entirely on the platform [3] - The platform is equipped with 15,000 sensors for intelligent operation, enabling real-time monitoring and adjustment of treatment parameters [3] Group 3: Environmental Impact - The platform addresses the long-standing issue of nutrient-rich sediment in Taihu Lake, which poses a threat to water quality despite improvements in recent years [1] - The innovative dredging method ensures that sediment does not occupy land and that treated wastewater meets surface water quality standards for direct discharge into the lake [3]
“十四五”科技成就|创新实践书写辽沈大地振兴“答卷”
Ke Ji Ri Bao· 2025-08-21 08:13
Group 1: Technological Innovation in Traditional Industries - The transformation of traditional manufacturing in Liaoning has led to significant advancements, including the development of the CAP1000 shielded motor pump for nuclear power plants, which has broken foreign technology monopolies [3] - The successful application of domestically produced main bearings for shield tunneling machines marks a critical breakthrough in achieving full localization in high-end components [3][4] - Liaoning's policies have empowered technological innovation, providing up to 5 million yuan in subsidies for R&D institutions in large-scale industrial enterprises, fostering a robust environment for traditional industries to innovate [4] Group 2: Marine Economy Development - Dalian, with its extensive coastline of 2,211 kilometers, is focusing on marine technology innovation, exemplified by the development of the VDES system for high-speed information exchange, achieving 100% localization [6] - The successful deployment of VDES products in coastal regions enhances maritime safety and national defense, showcasing Liaoning's strength in marine technology [6][7] - Dalian's R&D expenditure increased from 207.1 billion yuan in 2020 to 280.9 billion yuan in 2023, with R&D intensity rising from 2.96% to 3.21%, reflecting the city's commitment to becoming a regional technology innovation center [7] Group 3: Agricultural Innovation - Liaoning East Asia Seed Industry is utilizing molecular marker-assisted selection technology to significantly reduce the breeding cycle for corn, enhancing agricultural productivity [8] - The province's grain production reached 500.06 billion jin in 2024, with an average yield per mu of 931.88 jin, surpassing the national average by 142.4 jin, solidifying its position as a major grain-producing province [8][9] - The integration of digital technology in agriculture, such as the development of climate-smart mushroom cultivation systems, is paving new paths for agricultural development in Liaoning [9] Group 4: Overall Economic Growth - Liaoning's economy grew at a rate exceeding the national average for the first time in a decade, with total economic output surpassing 3 trillion yuan in 2023 and projected to exceed 3.26 trillion yuan in 2024 [9]
嫦娥六号月球岩屑揭示太阳系撞击历史
Ke Ji Ri Bao· 2025-08-21 08:13
Core Findings - The research team led by Xu Yigang from the Guangzhou Institute of Geochemistry has accurately determined that the Apollo Basin on the Moon formed 4.16 billion years ago, providing key evidence for the Late Heavy Bombardment in the solar system [1][2] - This new finding advances the timeline for the onset of the Late Heavy Bombardment by at least 100 million years, challenging the previous hypothesis of a catastrophic increase in impact flux during 4 to 3.8 billion years ago [2] Research Methodology - The team analyzed 3.5 grams of lunar soil, discovering three rock fragments with diameters between 150 and 350 micrometers, which are ideal "rock clocks" that record impact events [1] - The age of the rock fragments was confirmed through a combination of remote sensing images and geochemical data, leading to the conclusion that the impact flux during the Late Heavy Bombardment was gradually decreasing rather than experiencing a sudden increase [2]
2025中国—中亚科技人文交流活动开启
Ke Ji Ri Bao· 2025-08-21 08:13
Group 1 - The event "China-Central Asia Science and Cultural Exchange" was officially launched in Urumqi, Xinjiang, with around 200 participants from various sectors including science, engineering, education, and industry [1][2] - The theme of the event is "Gathering Innovative Forces to Welcome the Future of the Silk Road," focusing on four main areas: public scientific literacy, youth engineer exchanges, youth maker camps and teacher seminars, and dialogues among young scientists [1][2] - Cooperation memorandums were signed between the China Science Writers Association and institutions from Kazakhstan and Kyrgyzstan, establishing a framework for practical cooperation in the field of science popularization [1][2] Group 2 - The event aims to strengthen practical cooperation in the electricity sector between China and Central Asian countries, particularly through the exchange of engineering experiences and sustainable career development resources [1][2] - The event is organized by the China Association for Science and Technology, with support from the Xinjiang Uygur Autonomous Region Association for Science and Technology [3]
我国首条海洋油气装备智能涂装产线投用
Ke Ji Ri Bao· 2025-08-21 08:05
Core Insights - The company has launched its first intelligent coating production line at the Zhuhai base, featuring spray robots and AGV smart transport vehicles [1] - The new system can complete the internal coating of super-large tower tubes in just 5 minutes, achieving efficiency that is 4 to 8 times higher than manual labor [1] - The anti-corrosion coating protects equipment from seawater corrosion, and future plans include the integration of AI for optimization, contributing to the intelligent upgrade of marine equipment [1]
江西发行科技创新金融债券
Ke Ji Ri Bao· 2025-08-21 07:53
Core Viewpoint - The issuance of Jiangxi Province's first technology innovation financial bond by Jiujiang Bank marks a significant step in supporting technological innovation and financial resource allocation in the region [1] Group 1: Bond Issuance Details - The bond was successfully issued with a scale of 1 billion yuan and a maturity period of 5 years, featuring a coupon rate of 1.79% [1] - The bond attracted diverse investors, including credit enhancement companies, commercial banks, wealth management subsidiaries, securities companies, and fund companies, with a subscription multiple exceeding 2 times [1] Group 2: Fund Utilization - The funds raised from the bond will be utilized through loans and bond investments to specifically support the development of technology innovation businesses [1] - The initiative aims to guide financial resources towards early-stage, small-scale, long-term, and hard technology investments, thereby fostering new productive forces [1] Group 3: Market Impact - This year, four entities in Jiangxi have issued a total of 5 technology innovation bonds in the interbank bond market, amounting to a total of 5.8 billion yuan [1] - The issuance covers three categories of technology innovation bond issuers: technology enterprises, equity investment institutions, and financial institutions, indicating a robust development of the "technology board" in the region [1]
“两山”转化还需要持续科技创新
Ke Ji Ri Bao· 2025-08-21 07:30
Core Insights - The concept of "Green Mountains and Clear Water are as Valuable as Mountains of Gold and Silver" has gained significant traction over the past 20 years, especially since the 18th National Congress of the Communist Party of China, leading to historic changes in ecological civilization construction [1][2] - Technological innovation has played a crucial role as a catalyst in the transformation process of the "Two Mountains" concept, shifting from extensive growth to innovation-driven development [1] - The application of various green technologies in agriculture and industry not only addresses environmental issues but also generates economic benefits through cost reduction and product upgrades [1] Industry Developments - The ecological value has become measurable, tradable, and monetizable, turning into marketable commodities, exemplified by carbon emission trading [2] - The national carbon market has seen a cumulative transaction volume exceeding 47 billion yuan over four years, indicating a growing market for ecological products [2] - The integration of technology in ecological product production, assessment, and trading is promoting a deep fusion of economic activities and ecological protection [2] Challenges and Opportunities - The current phase of development in China is characterized by an accelerated shift towards green and low-carbon practices, while ecological civilization construction faces significant pressures [2] - There are urgent tasks related to energy structure transformation and industrial upgrading, with existing bottlenecks in green technology innovation [2] - There is a need to leverage the rich experiences accumulated from the "Two Mountains" concept to enhance technological applications and foster new green technology business models [2]
乌鲁木齐:软服务撑起特色产业硬实力
Ke Ji Ri Bao· 2025-08-21 06:36
Group 1 - A fluorine materials integration project with an investment of approximately 7 billion yuan has been established in Urumqi, focusing on high-value fluoropolymer monomers and high-end polymers, aiming to create a leading domestic and internationally competitive fluorine materials production base [1] - Urumqi signed 40 contract projects and 3 strategic cooperation framework agreements at the 2025 (China) Eurasian Commodity Trade Expo, with a total signing amount of 89.385 billion yuan, primarily targeting new energy and new materials [1] Group 2 - Iron Construction Heavy Industry Xinjiang Co., Ltd. has successfully transitioned to high-end agricultural machinery manufacturing, developing key technologies for cotton harvesting machinery, which supports the mechanization of the Xinjiang cotton industry [3][4] - Xinjiang Longju New Materials Co., Ltd. has launched high-performance carbon fiber products that are lightweight, high-strength, and heat-resistant, applicable in high-speed trains, aircraft components, and new energy sectors [3] Group 3 - The Urumqi government has implemented policies to support the development of modern industrial systems, focusing on five major industries: equipment manufacturing, biomedicine, chemicals, new energy, and new materials, while also promoting light industries [4] - Xinjiang Huashidan Pharmaceutical Research Co., Ltd. is recognized as an innovative small and medium-sized enterprise, focusing on the development of traditional Chinese medicine and chemical new drugs, with 28 ongoing research projects [5] Group 4 - The Xinjiang Uygur Autonomous Region's Industry and Information Technology Department has allocated 2.76 million yuan in initial subsidy funds to support national-level specialized and innovative "little giant" enterprises, such as Xinjiang Beidou Tongchuang Information Technology Co., Ltd. [6] - The company is investing 12 million yuan in research and development this year, focusing on breakthroughs in artificial intelligence applications and operational technology [6] Group 5 - Urumqi has established a gradient cultivation system for quality small and medium-sized enterprises, supporting their transition towards specialization and innovation, with a focus on high-temperature sensitive sensors for extreme environments [7][8] - The 11th Urumqi Innovation and Entrepreneurship Competition featured 92 companies competing in various fields, with the aim of identifying projects with market potential and social value, supported by financing services from financial institutions [8]