Ke Ji Ri Bao
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“树医生”为青藏高原人工林“健体”
Ke Ji Ri Bao· 2026-01-17 02:14
冬日的雅鲁藏布江河谷,寒风凛冽。一支由中国科学院青藏高原研究所等单位科研人员组成的研究团 队,在一片杨树林中穿梭。他们的手指抚过树干,感受到的却并非树皮的坚韧,而是一种令人揪心的绵 软与溃烂。引发这一切的"元凶",正是被称为"杨树癌症"的腐烂病。 在平均海拔超过4000米的青藏高原,生长快、适应性强的杨树和柳树,是构筑"绿色长城"的主力 军。"然而,杨树腐烂病这种悄无声息的病害,正威胁着高原人工林这道重要生态屏障的安全。"近日, 中国科学院青藏高原研究所研究员梁尔源告诉科技日报记者。 2022年起,在西藏自治区科技厅"山水林田湖草沙冰生态系统保护与修复"项目支持下,一场针对"杨树 癌症"的科技攻坚战打响了。 科研之路始于最艰苦的田野调查。由中国科学院青藏高原研究所等单位科研人员组成的研究团队足迹遍 布拉萨、山南、日喀则乃至阿里,在稀薄的空气与强烈的紫外线下,开展杨树腐烂病防治示范工 作。"一天行程数百公里是常事,穿越河谷林地,对体力与毅力都是考验。"中国科学院青藏高原研究所 研究员张更新说。 经过大量样本分析,研究团队成功从杨树树皮中分离出一种具有抑菌功能的产氮假单胞菌。实验表明, 该菌株能有效抑制金黄壳囊孢 ...
国产AI登顶全球!智谱+华为联手
Ke Ji Ri Bao· 2026-01-17 00:19
Core Insights - GLM-Image, a multimodal image generation model jointly developed by Zhipu and Huawei, has topped the Trending chart on Hugging Face, breaking the long-standing dominance of foreign models in the open-source space [2] - The model is the first state-of-the-art (SOTA) multimodal model trained entirely on domestic chips, showcasing a significant breakthrough in the domestic AI industry chain [2][5] Group 1: Model Architecture and Performance - GLM-Image employs a self-innovated "autoregressive + diffusion decoder" hybrid architecture, enabling the integration of image generation and language models, marking an important exploration in the new generation of "cognitive generation" technology [3] - The model excels in generating text-heavy content, achieving the top rank in the CVTG-2K and LongText-Bench benchmarks, demonstrating superior accuracy in generating multiple text areas within images and rendering long texts [3][6] Group 2: Cost and Efficiency - The model offers high cost-effectiveness, with the API call cost for generating an image being only 0.1 yuan, and a speed-optimized version is set to be released soon [4] Group 3: Domestic Chip Utilization - GLM-Image represents a deep exploration and validation of the domestic computing ecosystem, with all processes from data preprocessing to large-scale pre-training conducted on Huawei's Ascend Atlas 800T A2 devices [5] - This model's development on domestic hardware and frameworks addresses the critical issue of dependency on foreign chips, validating the feasibility of training cutting-edge models on a fully domestic computing stack [5][6] Group 4: Industry Implications - The success of GLM-Image is seen as a result of the collaborative capabilities of the domestic AI industry chain, which can enable small and medium enterprises in China to access AI tools at lower costs and promote domestic AI technology on a global scale [6]
“中国心”与“中国脑”!我国轻型运动飞机实现核心系统全面自主
Ke Ji Ri Bao· 2026-01-16 14:59
Core Viewpoint - The successful delivery of the "Aurora SA60L" aircraft, equipped with domestically developed engine and avionics systems, marks a significant milestone in China's aviation industry, achieving self-sufficiency in critical technologies [1][7]. Group 1: Aircraft Development - The "Aurora SA60L" is the first aircraft in China to feature a fully domestically developed engine and avionics system, indicating a breakthrough in the localization of key aviation technologies [1][7]. - The engine is manufactured by Chongqing Zongshen Aviation Engine Manufacturing Co., filling a gap in the domestic market for this class of aircraft [7]. - The new generation fully digital and intelligent avionics system was developed in collaboration with Changsha Tianjian Zhikong Co., and has received type certification (TC) and production certification (PC) from the Civil Aviation Administration of China [7]. Group 2: Industry Impact - The successful integration of domestic power and avionics systems represents a substantial step forward for China's general aviation manufacturing sector, breaking the long-standing reliance on imported core systems [7]. - This development not only reduces supply chain risks but also provides reliable technical support for the future diversified applications of domestic light sport aircraft in training, sports, and tourism [7]. - The application of domestically developed "dual-core" technology lays a solid foundation for future product iterations and the autonomous safety of the industry chain [7].
全球首艘标准模块电池换电船下水,“河豚蔚蓝”送绿色动能到内河航运
Ke Ji Ri Bao· 2026-01-16 11:14
Core Viewpoint - The article highlights the advancements made by Wuhu Shipyard's subsidiary, San Dian Shui Technology, in developing the "He Tun Wei Lan," the first certified electric inland vessel in China, marking a significant step towards the standardization and large-scale development of the domestic electric ship industry [1][9]. Group 1: Product Development and Innovation - San Dian Shui Technology showcased an integrated solution for cargo, ships, vehicles, and storage at the International Maritime Exhibition in Shanghai [1]. - The "He Tun Wei Lan" vessel, measuring 88.9 meters in length and capable of carrying 3,000 tons, can achieve a maximum speed of 8 knots and has a battery swap time of just 5 minutes, reducing overall energy consumption by 22% [1]. - The company has developed a "high-pressure parallel sequential discharge" technology that ensures uninterrupted power supply by automatically switching to backup circuits in case of battery failure [3]. Group 2: Safety and Cost Challenges - Safety concerns regarding battery performance and potential failures were identified as major issues for customers, similar to the early days of electric vehicles [2]. - Traditional battery solutions posed risks, as a single battery failure could lead to total power loss for the vessel [2]. - The cost of electric vessels was initially 40% higher than that of fuel-powered ships, with batteries being the primary cost driver [4]. Group 3: Cost Reduction Strategies - By customizing battery cells specifically for maritime use, the company was able to reduce costs by 30% compared to using standard automotive batteries [4]. - A partnership with Guoxuan High-Tech led to the development of a specialized battery with a lifespan of 6,000 cycles, reducing procurement costs by 28% [5]. - The introduction of a battery bank model allows shipowners to pay for battery usage over time, further lowering the initial investment required [6]. Group 4: Production Efficiency and Market Acceptance - The company has adopted a modular approach to shipbuilding, significantly reducing construction time from 18 months to just 6 months [8]. - The "He Tun Wei Lan" has received positive market feedback, with total orders reaching 1 billion yuan by 2025 [9]. - Plans are in place to expand operations along the Yangtze River and into new waterways, aiming to contribute to a "zero-carbon" future for inland shipping [9].
今年首场大范围寒潮来袭 中东部将迎最强雨雪冰冻天气
Ke Ji Ri Bao· 2026-01-16 09:50
今年首场大范围寒潮已经在"路上"。 据中央气象台预报,1月17日至21日,寒潮将自西向东、自北向南影响我国大部地区,中东部地区 将出现大范围雨雪冰冻天气。陕西、山西、河南、山东、湖北、湖南、安徽等地有暴雪。河南西部、湖 北西部、湖南、贵州、重庆东部等地部分地区将出现冻雨。这次过程被认为是入冬以来中东部地区最强 的雨雪冰冻天气过程。 据预报,陕西、山西、山东、河南、湖北、湖南、安徽等地部分地区有暴雪和低温雨雪冰冻灾害风 险。张涛特别指出,这一次雨雪天气是随着冷空气而来的,所以不管降下的是雨、雪、雨夹雪还是冻 雨,最后可能都会产生比较明显的冰冻现象。因此,从本次寒潮特点来看,最需要我们警惕的、致灾性 最强的就是冰冻,需要事先做好防范。 "从降水量来看,1毫米降水是微不足道的,1毫米降雪问题也不是很大,但1毫米冻雨带来的影响会 非常大。"张涛提醒,此次寒潮天气中出现冻雨的地区要尤其做好防范。 冻雨落在电线、树枝、地面上,随即就会结成外表光滑的一层薄冰,冰在凝聚过程中还会边流动边 冻结,越结越厚,可能会出现压断树木、电线杆的情况,使通信、供电中止;还可能造成农作物冻害, 导致绝收;或妨碍公路和铁路交通,威胁飞机飞行安 ...
培育新质生产力在行动|“新材料之王”从实验室迈上生产线
Ke Ji Ri Bao· 2026-01-16 06:36
Core Viewpoint - The production of T1000-grade carbon fiber in Shanxi, China, marks a significant breakthrough in high-performance materials, previously dominated by foreign countries, enabling advancements in various strategic sectors [1][2]. Group 1: Production and Technology - The T1000-grade carbon fiber, known for its strength exceeding that of steel by 5 to 7 times, is produced using a unique process that includes a proprietary raw material formula and dry-wet spinning technology, addressing the issue of brittleness [2][3]. - The production line, established by the Shanxi Coal Chemical Research Institute and Shanxi Huayang Carbon Material Technology Co., has achieved stable mass production, transitioning from laboratory success to industrial-scale output [1][4]. Group 2: Performance Characteristics - The newly developed T1000-grade carbon fiber exhibits exceptional properties, including corrosion resistance and stability at extreme temperatures, capable of withstanding up to 1000 degrees Celsius and maintaining performance at -180 degrees Celsius [3]. - In tensile strength tests, the carbon fiber can endure approximately 200 kilograms of force per meter, equivalent to the weight of three adult males, showcasing its superior strength [2]. Group 3: Challenges and Solutions - The transition from pilot production to stable mass production posed significant engineering challenges, particularly in maintaining production stability, as even minor fluctuations could lead to product defects [4][5]. - A critical issue was identified during the production process related to a poorly selected flow control valve, which was resolved, leading to improved stability in production [4]. Group 4: Future Prospects - The successful mass production of T1000-grade carbon fiber signifies a shift from "catching up" to "keeping pace" in the high-performance materials sector, with applications anticipated in defense, aerospace, rail transportation, and renewable energy [5]. - The research team aims to develop even higher strength T1200-grade carbon fiber and expand its industrial applications, further enhancing the material's impact in various fields [5].
“新丝路”让进出口货物省路费极速达
Ke Ji Ri Bao· 2026-01-16 06:36
Core Insights - The article discusses the implementation of 25 innovative measures for cross-border trade facilitation across China, aimed at responding to changes in the international trade environment and addressing business needs [1] Group 1: Cost Reduction and Efficiency - In Nansha Port, shipping collaboration has reduced the comprehensive cost for each vehicle by over 2000 yuan [1] - At Ningbo Zhoushan Port, advanced technologies like high-speed image recognition and automatic sampling robots have cut the average customs clearance time for iron ore and copper concentrate by 15 hours [1] Group 2: Multi-Modal Transport Innovations - The successful launch of the world's first "sea-rail combined transport + China-Europe fast shipping" model at Ningbo Zhoushan Port connects over 700 ports in more than 200 countries and regions [2] - The "one order system" for multi-modal transport has expanded the layout of inland dry ports, with the sea-rail combined transport business covering 16 provinces and 69 cities, maintaining the highest volume of foreign trade containers in China [2] Group 3: Air Transport Developments - The "airside direct access" initiative allows export goods arriving by domestic flights to bypass multiple handovers, streamlining the logistics process [3] - Plans to expand air-to-air, air-land, and air-rail combined transport services aim to enhance the efficiency of international logistics [3] Group 4: Special Goods Handling - The export process for electric vehicles and lithium batteries has been optimized to allow for separate shipping of batteries and vehicles, reducing time and costs associated with long-distance transport [4] - Guangzhou has established the first cross-border e-commerce platform for battery-powered goods, simplifying documentation requirements and significantly lowering logistics costs, with some testing fees reduced by 50% and ground operation costs by 60% [4] Group 5: Fresh Produce and Pharmaceuticals - Innovations in processes for fresh goods and pharmaceuticals have improved inspection capabilities, achieving seamless connections and expedited procedures [5] - In Guangzhou, imported cherries and durians can be delivered to owners in as little as 2 hours, while in Beijing, the inspection and release cycle for pharmaceuticals has been reduced to "minute-level," taking only 4 hours from port to patient [5]
国家林业和草原局:全国森林覆盖率达25.09%
Ke Ji Ri Bao· 2026-01-16 05:50
科技日报北京1月15日电(记者马爱平)记者15日从全国林业和草原工作会议上获悉,2025年,我 国完成国土绿化任务1.27亿亩,其中营造林5345万亩,退化草原修复治理7390万亩。目前全国森林覆盖 率达25.09%,森林蓄积量达209.88亿立方米,绿色发展底色成色更加鲜明。 上述负责人介绍,"十四五"期间,我国共完成国土绿化面积5.49亿亩,其中造林面积1.85亿亩;年 均修复退化草原4600万亩以上,草原综合植被盖度稳定在50%以上,健康和亚健康草原达到27亿亩,占 比超过70%;完成沙化土地治理1.52亿亩、封禁保护面积达2793.6万亩,我国荒漠化和沙化土地面积持 续"双缩减",在全球率先实现了土地退化"零增长"。 据国家林业和草原局相关负责人介绍,2025年,我国"三北"工程三大标志性战役取得显著成效。全 年安排中央投资292亿元,实施337个重点项目,完成建设任务1.3亿亩,其中,综合治理任务0.28亿亩, 成果巩固任务1.02亿亩。 2025年,我国持续开展大规模国土绿化行动,聚焦青藏高原生态屏障区等重点区域,实施166个"双 重"工程项目、10个国土绿化示范项目。同时,认真落实《古树名木保护 ...
国家电网“十五五”锚定新型电力系统建设
Ke Ji Ri Bao· 2026-01-16 04:50
"十五五"期间,国家电网将初步建成主配微协同的新型电网平台,"西电东送、北电南供"能源输送 网络进一步巩固。加快特高压直流外送通道建设,跨区跨省输电能力较"十四五"末提升超过30%,支撑 国家"沙戈荒"和西南大型水电清洁能源基地开发外送。区域间背靠背灵活互济能力显著增强。加快推进 城市、农村、边远地区配网建设,探索末端保供型、离网型微电网模式。夯实数智基础设施,实施"人 工智能+"专项行动,强化电网数字赋能。 科技日报北京1月15日电(记者陈瑜)记者15日获悉,"十五五"期间,国家电网有限公司(以下简 称"国家电网")固定资产投资预计达到4万亿元,较"十四五"投资增长40%,以扩大有效投资带动新型 电力系统产业链供应链高质量发展。 "十五五"期间,锚定国家自主贡献减排目标,国家电网服务经营区风光新能源装机容量年均新增2 亿千瓦左右,推动非化石能源消费占比达到25%、电能占终端能源消费比重达到35%,助力初步建成新 型能源体系、如期实现全社会碳达峰目标。提升系统调节能力,支持新型储能规模化发展,提高新能源 运行支撑和并网消纳水平。服务零碳工厂和零碳园区建设,满足3500万台充电设施接入需要,提高终端 用能电气化 ...
AI健康产品密集登场
Ke Ji Ri Bao· 2026-01-16 03:41
Core Insights - The CES 2026 showcased a variety of AI health products aimed at providing personalized health management solutions, but concerns about reliability and data privacy were raised by experts [1][2][3]. Group 1: AI Health Innovations - New products focused on women's health, addressing long-neglected areas such as menstrual cycles and menopause, with Oova's wearable device "Peri" monitoring symptoms and generating trend reports [2]. - NuraLogix's "magic mirror" uses facial scanning to estimate heart rate and blood pressure, showing high accuracy compared to professional medical devices [2]. - Garmin introduced a nutrition tracker that analyzes food photos to provide personalized dietary recommendations based on caloric and macronutrient content [2]. Group 2: AI in Healthcare Accessibility - AI is emerging in the $4.3 trillion global healthcare system, helping to analyze images, organize medical records, and optimize processes, thereby reducing the burden on healthcare professionals [3]. - 0xmd launched a free medication consultation chatbot that allows users to ask questions and upload images for preliminary analysis [3]. - OpenAI announced a dedicated health conversation mode for ChatGPT, ensuring that health-related dialogues are stored separately to protect sensitive information [3]. Group 3: Regulatory Changes and Privacy Concerns - The FDA announced relaxed regulations for "low-risk" health devices, which may accelerate the introduction of innovative products but raises concerns about data privacy [6][7]. - Current laws primarily protect patient data within medical institutions, leaving consumer health device data vulnerable to misuse, as companies may legally use sensitive information for AI training or sell it to third parties [7]. - Companies like Mira claim to prioritize user privacy, stating that their hormone tracking device encrypts data and does not share or sell user information [7].