过去一周 由陈冬、陈中瑞、王杰 组成的神舟二十号乘组 在轨工作持续进行 空间站科学实验进展不断 他们具体完成了哪些工作任务呢？ 一起来了解 ↓↓↓ 上周，乘组完成了材料舱外暴露实验装置进舱、第三批实验样本回收与存储等工作。 材料舱外暴露实验旨在利用空间站舱外极端环境，揭示材料组织结构损伤、性能衰退以及功能失效与破坏的机制，推动柔性太阳翼等大型空间可展开机构材 料、空间机构润滑材料、月球基地建设材料、精密电子设备中子屏蔽材料等先进材料的空间应用。 上周，乘组完成了舱内微生物监测相关工作，通过定期对气体、表面、水系统等不同介质中的微生物进行采样，检测菌种和菌落，并对其生长状况进行评 估，可为站内微生物控制提供依据。 在航天医学实验领域，乘组使用精细动作测量仪开展了滑动测试，测试结果用于开展微重力条件下航天员精细动作控制的变化规律及适应性学习机制研究。 在微重力物理科学领域，微重力燃烧科学相关实验有序开展。燃烧室为燃烧实验提供了密闭空间，通过更换安装在燃烧室内部的实验插件，可支持气体、液 体和固体多种燃料的燃烧实验。 环境监测及站务管理工作按计划开展 完成材料舱外暴露实验装置进舱等工作 在轨多领域实（试）验有序进行 ...

央视网消息：上周，神二十乘组按计划开展了各项空间科学实（试）验，那么他们又解锁了什么新体验？一起来看看。 各项实（试）验稳步推进 在航天医学实验领域，三名航天员使用笔记本电脑等设备及相关软件完成了精细动作控制、元认知监控研究等多项实验测试工 作。此外，利用脑电设备获取了视觉运动加工、微重力关系认知等实验项目所需数据，助力地面科研人员持续开展研究。 "升级版"太空菜园迎来丰收时刻 站内设备勤维护 健康保障不能停 上周，乘组对低温存储装置进行了巡视及维护。在将实验样品由-80℃温区转移至新安装的空间冰箱后，完成了冷凝水检查及擦 拭等工作。此外，三名航天员完成了梦天实验舱内定向摄像机检查维护，以及笔记本电脑在轨测试等多项工作。 问天实验舱内，在随天舟九号上行的植物高效培养技术试验装置中，茁壮成长的生菜迎来了丰收时刻。上周，神二十乘组完成了 生菜的采集与存储工作。随后开启了新一轮栽培，一起猜猜这次是什么品种的植物吧。 在微重力物理科学领域，各项实验持续进行。乘组完成了燃烧柜实验插件点火头及燃烧器更换，无容器柜样品更换、轴心机构视 窗盖镜片更换等工作。上周，全系统压力应急演练按计划定期开展。演练主要模拟空间站面临内部失 ...

央视网消息：九月伊始，国家太空实验室内，由陈冬、陈中瑞、王杰组成的神舟二十号航天员乘组承担的各项空间科学实（试） 验正稳步推进。 多领域空间科学实（试）验进展顺利 在航天医学实验领域，乘组使用脑电设备开展了上下视野研究、执行功能训练、探索利用研究等多个项目的实验测试工作。 上周，乘组使用眼动仪等设备及相关测试软件，开展了微重力关系认知、航天人机信任与协同影响等实验相关工作，助力地面科 研人员持续推进微重力环境对关系认知的影响及机制研究，获取长期在轨飞行中航天员对AI助手信任的动态变化规律现象。 三名航天员还进行了血管超声检查。通过获取不同在轨时长下，人体多器官或系统的形态特征、血流动力学参数及功能数据，进 一步探索失重环境下泛血管复杂网络血流谱演变规律。 站内设备维护及在轨健康保障积极开展 上周，乘组按计划完成再生生保系统设备检查维护、无容器柜加压气瓶更换、站内环境监测等工作，并完成舱内清洁维护等日常 工作。 在人因技术研究方面，乘组利用相关设备开展了"长期在轨典型姿态下操作力变化规律研究"项目的在轨测试及数据采集，对比分 析推拉力、旋转力等多种类型操作力天地差异及其在轨变化，进一步探讨引起操作力变化的机制。 ...

Core Insights - The Shenzhou-20 crew, consisting of astronauts Chen Dong, Chen Zhongrui, and Wang Jie, has been in space for over 120 days, focusing on various in-orbit experiments and research activities [1] Group 1: In-Orbit Experiments - The crew is conducting ongoing research on astronaut psychology and behavior, including emotional evaluation technology and emergency decision-making capability assessments, to understand changes in emotional states and decision-making over long durations in space [1] - In the field of space medicine, astronauts are utilizing laptops and testing software to perform experiments on fine motor control, trust, and collaboration mechanisms, with data aiding ground researchers [1] - The collaboration with flying robots continues, with the "Xiao Hang" robot working alongside the astronauts to explore efficient human-robot cooperation methods [3] Group 2: Material Science and Technology - In microgravity physics, the crew has conducted experiments involving high-temperature materials, including changing samples in the high-temperature materials experiment cabinet and maintaining equipment, achieving a new record of over 3100 degrees Celsius for material science experiments in space [5] - In the field of new technologies and applications, astronauts are replacing reactors in extraterrestrial artificial photosynthesis technology experiments, having successfully completed multiple key technology verifications and gathered significant data on physical and chemical reactions in microgravity [7] Group 3: Health and Maintenance - The crew has performed maintenance on life support systems and conducted tests on the -80°C space refrigerator, ensuring the operational integrity of onboard systems [8] - Regular health checks, including eye pressure and bone density tests, have been conducted to monitor the astronauts' health status during their mission [9]

Core Points - The Shenzhou-20 astronaut crew, consisting of Chen Dong, Chen Zhongrui, and Wang Jie, is set to conduct their third extravehicular activity (EVA) soon after nearly five months in space [1] - The crew has successfully completed two EVAs, setting records for the shortest interval between entering the Chinese space station and the first EVA [3] - Chen Dong has become the first astronaut to complete EVAs from both the Wentian and Tianhe modules [5] Summary by Sections Extravehicular Activities - The first EVA was completed on May 22, marking a significant achievement shortly after the crew's arrival at the space station [1] - The second EVA was successfully conducted on June 26, marking the reopening of the node module's airlock after over three years [7] Tasks Accomplished - During the recent EVA, the crew installed the seventh space debris protection device, conducted inspections, and received supplies from the Tianzhou-9 cargo spacecraft, which delivered approximately 6.5 tons of materials [9] - The crew also managed the unpacking and maintenance of two new extravehicular suits, enhancing their operational capabilities [11] New Equipment and Experiments - The new extravehicular suits have a design life increased from three years and 15 missions to four years and 20 missions, indicating advancements in technology [12] - New experiments in plant cultivation and various aerospace medical studies are underway, alongside the operation of an intelligent flying robot named "Xiaohang" for collaborative experiments [14]

Core Insights - The Shenzhou-20 mission, involving astronauts Chen Dong, Chen Zhongrui, and Wang Jie, is currently ongoing with various scientific and technical activities being conducted in space [1] Group 1: Space Mission Activities - The crew completed the unpacking, transfer, and performance checks of extravehicular spacesuits D and E delivered by the Tianzhou-9 cargo spacecraft [3] - The astronauts are conducting research on the effects of the space environment on the human blood-brain barrier and brain function using organ-on-a-chip technology, which aims to provide health risk predictions and interventions for long-term space missions [6] - In the field of aerospace medicine, the crew has completed multiple studies related to bone metabolism and the interaction of gut microbiota with nutritional metabolism [9] Group 2: Microbial Control and New Technologies - Ongoing experiments are being conducted on microbial control technologies for extraterrestrial habitation modules, where astronauts assess the effectiveness of disinfection by comparing microbial counts before and after treatment [12] - The crew is testing a mixed reality training device, allowing astronauts to interact with the system using voice or gesture commands while wearing portable mixed reality glasses [15] - Health maintenance activities include measurements of bone density, muscle dimensions, maximum isometric strength, and hearing tests, along with exercises to mitigate the effects of weightlessness [15]

Core Insights - The Shenzhou-20 mission continues with astronauts Chen Dong, Chen Zhongrui, and Wang Jie engaged in various tasks aboard the space station [1] Group 1: Extravehicular Activities - The new extravehicular spacesuits D and E were unpacked, transported, and inspected for functionality [2] Group 2: Life Sciences and Biotechnology Experiments - Research on the impact of space environment on the human blood-brain barrier using organ-on-a-chip technology was conducted, aiming to provide health risk predictions for long-term space missions [4] - Experiments related to bone metabolism and microbial interactions with nutrition were completed, including the use of a Raman spectrometer to analyze urine samples [6] Group 3: Space Technology and Applications - Microbial control technology tests were performed in the extraterrestrial habitat, assessing the effectiveness of disinfection methods [8] - Installation of the core technology verification project for advanced material energy conversion and regeneration systems was completed [10] Group 4: Microgravity Physics - Tasks related to combustion science experiments were carried out, including the replacement of experimental burner components [12] Group 5: Training and Health Maintenance - A mixed reality training device was tested, allowing astronauts to interact smoothly using voice and gesture commands [13] - Health maintenance activities included measurements of bone density, muscle dimensions, and strength tests, along with exercises to counteract weightlessness [15]

Core Insights - The Shenzhou-20 crew, consisting of three astronauts, is actively engaged in various tasks aboard the Chinese space station, showcasing significant advancements in space research and technology [1][2]. Group 1: Space Suit and Equipment - The crew completed the unpacking, transfer, and functional checks of the new extravehicular space suits D and E, which are expected to debut in space soon [2]. - Installation and testing of a -80℃ space refrigerator in the Wentian laboratory module were also completed [15]. Group 2: Life Sciences and Health Research - Research on the impact of space environment on the human blood-brain barrier using organ-on-chip technology is underway, aiming to provide health risk predictions for long-term space missions [2]. - The crew conducted various studies in space medicine, including bone metabolism and microbiome-nutrition interactions, utilizing a Raman spectrometer to analyze metabolic components in urine samples [5][18]. Group 3: Microbial Control and Environmental Studies - Ongoing experiments focus on microbial control technologies in extraterrestrial habitats, with bacteria detection tests performed before and after disinfection to evaluate effectiveness [8]. - The crew is also studying the effects of respiratory tract microorganisms on respiratory health by collecting and preserving throat swabs for later analysis [9]. Group 4: Physical Science and Technology Development - The crew replaced components in combustion science experiments and installed equipment for the core technology verification project related to integrated microbial fuel cells for wastewater purification and energy utilization in space [11][12]. - A mixed reality training device was tested, allowing astronauts to interact with the system using voice and gesture commands [13][16].

Core Insights - The Shenzhou-20 crew, consisting of Chen Dong, Chen Zhongrui, and Wang Jie, has been in orbit for over three months, successfully conducting various space science experiments [1][3] Group 1: Space Experiments - The crew is installing a new plant cultivation technology experiment device in the Wentian laboratory module, initiating a new round of plant growth experiments [3] - Wang Jie is conducting cell biology experiments related to the effects of long-term spaceflight on astronaut health and public health issues on Earth [3] - Ongoing research in aerospace medicine includes studies on bone metabolism and integrated omics [3] Group 2: Robotics and Collaboration - The onboard intelligent flight robot "Xiaohang" is actively participating in experiments, exploring efficient human-robot collaboration methods [3] Group 3: Physical Science and Equipment - The crew has completed the assembly and disassembly of experimental modules related to two-phase systems and online maintenance operations in the microgravity physical science domain [3] - The core muscle exercise device, sent with the Tianzhou-9 cargo spacecraft, has been installed in the Wentian laboratory module, allowing astronauts to perform resistance training to improve their adaptation to gravity upon return [5] - Overall, the space station's operational status is reported to be good, with station management tasks being carried out in an orderly manner [5]

Key Points - The core viewpoint of the article highlights the successful launch of the Tianzhou-9 cargo spacecraft, marking a significant advancement in China's space station supply missions, with increased cargo capacity and new equipment for astronauts [1][2]. Group 1: Cargo Capacity and Supplies - The Tianzhou-9 cargo spacecraft delivered approximately 6.5 tons of supplies, making it the heaviest cargo spacecraft in China's space station development phase, surpassing Tianzhou-8 by about 500 kilograms [1]. - The total weight of the space application system supplies sent by Tianzhou-9 reached 776.5 kilograms, including experimental payloads and essential supplies for scientific experiments [2]. - The mission included new supplies for astronauts, such as two sets of next-generation space suits and over 190 types of space food, enhancing the astronauts' living conditions in space [2][3]. Group 2: Technological Advancements - The new generation of space suits has an improved lifespan, increasing from "3 years and 15 times" to "4 years and 20 times" for in-orbit use [2]. - The Tianzhou-9 mission successfully implemented a new docking method that allows for a 3-hour autonomous docking process, improving efficiency and reliability compared to previous methods [4][5]. - The mission also included advanced exercise equipment designed to prevent muscle atrophy in astronauts, allowing for a more comprehensive approach to maintaining astronaut health during long missions [4][5]. Group 3: Scientific Research and Experiments - The Tianzhou-9 mission carried 23 scientific experiments across various fields, including space life sciences and material sciences, involving collaboration from multiple research institutes and universities [5][6]. - Notable experiments include studying the effects of microgravity on muscle atrophy and the impact of space conditions on brain function, which could provide insights for long-term space missions [6]. - The mission also aimed to accelerate the research and clinical application of nucleic acid drugs for chronic diseases by utilizing the unique conditions of space [6].