马年春节的脚步日益临近，我们的"太空家园"里也是喜气洋洋，神舟二十一号乘组张陆、武飞、张洪章的"太空出差"充实有序，在轨各项工作仍在马不停蹄 地推进。上周，三名航天员都忙了些什么？一起来看看。 在轨训练与空间科学实（试）验持续开展 核心舱内，交会对接在轨训练与微重力直觉物理行为实验同步进行中。乘组利用元认知训练系统，完成了不同初始条件下的图像辨识和操作测试等训练内 容。 使用笔记本电脑，开展了微重力直觉物理行为实验，获取相关行为数据，探索长期空间飞行对直觉物理表征的影响和恢复机制。 上周，空间站内再次出现机器人"小航"的身影，使用人机协同交互实验软件，航天员和"小航"可以共同开展人机空间关系、多模态交互技术等多项实验。 画面中，航天员正在进行运动骨肌受力研究相关工作，利用足底压力采集、贴片式超声等设备，采集飞行中不同负荷状态下跑步等运动状态下的足底压力、 关节运动学数据和运动图像、相关肌肉参数，获取不同运动状态参数与足底压力的映射关系及肌肉-肌腱相互作用变化特征。 此外，乘组穿着仿生黏附鞋完成下肢力刺激测试，采集数据用于探索肌肉功能保持能力和实现力刺激的运动范式及数据间的关系。 在轨脑电测试研究相关项目按计划 ...

Core Viewpoint - The Shenzhou-21 crew has been in orbit for three months, with various experiments and tests progressing as planned in the Chinese space station [1] Group 1: Space Medicine Experiments - The pharmacokinetics project is ongoing, with saliva samples collected by astronauts to assist researchers in future in-orbit medication guidance [1] - The crew has completed tests on human-machine trust, emotional state in orbit, and emergency decision-making capabilities [1] - Lower limb force stimulation tests were conducted using bionic adhesive shoes to gather data for further research on exercise in a weightless environment [1] Group 2: Microgravity Physical Science Experiments - The crew has completed sample cleaning and replacement in the containerless cabinet experiment chamber, along with equipment maintenance and cleaning [1] - During the three-month period in orbit, the astronauts have undergone multiple medical checks and actively exercised to counteract the physiological effects of weightlessness [1]

Core Insights - The Shenzhou 21 crew, consisting of astronauts Zhang Lu, Wu Fei, and Zhang Hongzhang, has been in orbit for three months, conducting various planned experiments and maintenance tasks in the Chinese space station [1] Group 1: In-Orbit Experiments - In the field of aerospace medicine, pharmacokinetics projects are ongoing, with saliva samples collected by astronauts to assist researchers in future in-orbit medication guidance [3] - The astronauts utilized laptops and related experimental software to complete tests on human-machine trust, exploratory utilization research, metacognitive monitoring, in-orbit emotional state testing, and emergency decision-making capability assessments [5] - Lower limb force stimulation tests were conducted as planned, with astronauts wearing bionic adhesive shoes to exercise and stimulate lower limb flexor muscles in a microgravity environment [5] Group 2: Microgravity Physical Science Experiments - The crew conducted planned experiments in microgravity physical science, including sample replacement in fluid physics experiment cabinets and maintenance of axial mechanism electrodes and window cover lenses [7] Group 3: Environmental Monitoring and Management - The crew completed multiple tasks related to environmental monitoring and station management, including wind speed and temperature measurements, personal noise exposure assessments, and cabin environment organization [11] Group 4: Health Maintenance - The astronauts performed various medical checks, including dynamic electrocardiogram and blood pressure monitoring, non-invasive cardiac function assessments, abdominal, vascular, and muscle ultrasounds, bone density measurements, and hearing tests to closely monitor their health status in orbit [14] - In-orbit exercise activities were actively conducted to counteract the physiological effects of microgravity [14]

Group 1 - Three astronauts interacted closely with the robot "Xiaohang" aboard the space station, conducting tests such as touch interaction and autonomous flight to gather data for optimizing future robotic movement planning [2] - In the field of space medicine, the crew utilized a space Raman spectrometer to analyze metabolic components in urine samples, with the collected information aimed at refining the relevant metabolic indicator system and evaluation criteria [4] - The crew collected saliva samples to study the impact of astronauts on the microbial population in the space station environment, with unified testing planned upon return [4] Group 2 - The crew completed sample collection and storage for a research project exploring the relationship between the origin of genetic codes and chirality in a microgravity environment, focusing on the chiral combinations of amino acids and nucleotides [6] - Ongoing research includes in-situ electrochemical optical studies of lithium-ion batteries for space applications, along with the replacement of sampling covers in combustion science experiment cabinets and the assembly and disassembly of fluid physics experiment modules [6] - A full-system pressure emergency drill was conducted as planned, simulating an internal depressurization scenario to enhance astronauts' emergency response capabilities and Earth-space coordination [8]

Core Insights - The Shenzhou-21 crew, consisting of astronauts Zhang Lu, Wu Fei, and Zhang Hongzhang, has been working and living in orbit for nearly two months, with multiple experimental projects underway in the national space laboratory [1] Group 1: Aerospace Medical Experiments - The Shenzhou-21 crew has utilized EEG equipment to gather data for projects such as "Metacognitive Monitoring Research" and "Group Brain Cognition-Emotion Analysis and Regulation," aiding ground researchers in ongoing studies [3] Group 2: Plant Growth Research - The Arabidopsis plant "Xiao Nan" has reappeared in the Wentian experimental module, previously serving as a "teaching assistant" in the "Tiangong Classroom" to help understand plant growth in space. In this mission, it will assist the research team in studying the regulatory networks of plant stem cells [5] Group 3: Microgravity Physics Experiments - The crew has completed the disassembly and replacement of experimental samples in the fluid physics experiment cabinet, changed gas sampling caps in the combustion science experiment cabinet, and performed maintenance on the experimental chamber and axial mechanism electrodes [7] Group 4: Lithium-Ion Battery Research - A project titled "In-Situ Electrochemical Optical Research of Lithium-Ion Batteries for Space Applications" has been initiated, leveraging the expertise of payload specialist Zhang Hongzhang to conduct in-situ optical observations of lithium dendrite growth in a microgravity environment [9] Group 5: Health Maintenance and Equipment Checks - The crew conducted regular maintenance on onboard equipment and upgraded some software. Additionally, they performed medical checks including bone density measurements, electrocardiograms, blood pressure checks, and vision assessments to monitor their health status in orbit [11]

Core Insights - The Shenzhou 21 crew, consisting of astronauts Zhang Lu, Wu Fei, and Zhang Hongzhang, has been working and living in orbit for nearly two months, with various multi-disciplinary experiments being conducted steadily in the national space laboratory [1] Group 1: Space Experiments - In the field of space medicine, the crew has utilized EEG equipment to gather data for projects such as "Metacognitive Monitoring Research" and "Group Brain Cognition-Emotion Analysis and Regulation," aiding ground researchers in ongoing studies [1] - The "Little South" plant, previously featured in the "Tiangong Classroom," is assisting the research team in studying the regulatory molecular network of plant stem cells during this mission [1] - The crew has completed the disassembly and replacement of experimental samples in the fluid physics experiment cabinet, as well as maintenance tasks in the combustion science experiment cabinet [1] Group 2: Health Monitoring - In terms of health maintenance and assurance, the astronauts have conducted daily physical exercises along with medical checks including bone density measurement, electrocardiogram and blood pressure checks, and visual function assessments to comprehensively monitor their health status in orbit [2]

Group 1 - The Shenzhou 21 crew, consisting of astronauts Zhang Lu, Wu Fei, and Zhang Hongzhang, has been working and living in orbit for nearly two months, with multiple experimental projects underway in the national space laboratory [1] - In the field of aerospace medicine, the crew has utilized EEG equipment to gather data for projects such as "Metacognitive Monitoring Research" and "Group Brain Cognition-Emotion Analysis and Regulation," aiding ground researchers in ongoing studies [1] - The crew has conducted regular maintenance on onboard equipment and upgraded some software, while also performing health checks including bone density measurement, electrocardiogram, blood pressure checks, and vision function assessments to monitor their health status in orbit [9] Group 2 - In the Wentian experimental module, the plant Arabidopsis thaliana, referred to as "Little Nan," has reappeared, assisting the research team in studying the molecular network of plant stem cell regulation [3] - The crew has completed the disassembly of complex fluid experiment modules in the fluid physics experiment cabinet and replaced experimental samples, as well as conducted maintenance on the combustion science experiment cabinet [5] - A project focusing on the in-situ electrochemical optical research of lithium-ion batteries has been initiated, leveraging the expertise of payload specialist Zhang Hongzhang to conduct optical observations of lithium dendrite growth in a microgravity environment [7]

Core Insights - The Shenzhou-21 crew, consisting of astronauts Zhang Lu, Wu Fei, and Zhang Hongzhang, has been working and living in orbit for nearly two months, with multiple experiments ongoing in the national space laboratory [1] Group 1: Space Medicine Experiments - The crew has utilized EEG equipment to gather data for projects such as "Metacognitive Monitoring Research" and "Group Brain Cognition-Emotion Analysis and Regulation," aiding ground researchers in their ongoing studies [3] Group 2: Plant Growth Research - The plant "Xiao Nan" has reappeared in the Wentian experimental module, previously serving as a "teaching assistant" in the "Tiangong Classroom" to help understand plant growth in space. In this mission, it will assist the research team in studying the regulatory networks of plant stem cells [5] Group 3: Microgravity Physics Experiments - The crew has completed the disassembly and replacement of experimental samples in the fluid physics experiment cabinet and has also changed the gas sampling cap in the combustion science experiment cabinet. Additionally, they performed sample cleaning and replacement in the containerless experiment chamber [7] Group 4: Lithium-Ion Battery Research - A project focusing on "In-situ Electrochemical Optical Research of Lithium-Ion Batteries for Space Applications" has been initiated, leveraging the expertise of payload specialist Zhang Hongzhang to conduct optical observations of lithium dendrite growth in microgravity [9] Group 5: Equipment Maintenance and Health Monitoring - The crew conducted regular maintenance on onboard equipment and upgraded some software. They also performed medical checks, including bone density measurements, ECG and blood pressure checks, and vision assessments to monitor their health status in orbit [11]

Core Points - The Shenzhou-21 crew has been working in orbit for a month, conducting various space science experiments and performing routine equipment checks and maintenance [1][3][5] - Multiple in-orbit experiments are progressing steadily within the Chinese space station, including a microgravity intuitive physics behavior experiment [3] - The crew completed the installation of new software in the field of space medicine and conducted maintenance on various experimental equipment [5][8] Group 1 - The Shenzhou-21 crew has successfully conducted a full-system pressure emergency drill, simulating an internal depressurization scenario and enhancing the astronauts' emergency response capabilities [7] - Routine maintenance activities included inspections of low-temperature storage devices and pressure checks of environmental control gas cylinders [8] - The crew is also engaged in station management and medical checks simultaneously [8]

Core Insights - The Chinese space station has successfully hosted the Shenzhou 20 crew for over 180 days, marking a significant milestone in its operational timeline [2][11] - The crew has conducted multiple extravehicular activities and various scientific experiments, showcasing advancements in space medicine and microgravity physics [4][6][7] - The upgraded space vegetable garden has yielded fresh produce, highlighting the success of agricultural experiments in space [9] Group 1: Crew Activities - The Shenzhou 20 crew has completed four extravehicular activities, demonstrating their capabilities and the station's operational success [4] - The crew has engaged in experiments related to trust and collaboration mechanisms, fine motor control, and emergency decision-making, contributing valuable data for future space missions [6] Group 2: Scientific Research - Ongoing experiments in inertial particle dynamics have revealed unique particle movement patterns in microgravity, indicating potential for further research [7] - The successful cultivation of vegetables in the upgraded space garden reflects advancements in space agriculture technology [9] Group 3: Future Prospects - As the Shenzhou 20 crew prepares to return to Earth, the arrival of the Shenzhou 21 crew signifies continued collaboration and research opportunities in the space station [11]