Aim Using animals as object of experiment to acquire various patterns of low cerebral blood pressure and reduced blood capacity in cerebral tissues of astronauts due to the load of acceleration. Methods The isotope ...Aim Using animals as object of experiment to acquire various patterns of low cerebral blood pressure and reduced blood capacity in cerebral tissues of astronauts due to the load of acceleration. Methods The isotope tracking technique was applied to mark the blood and record the dynamic curves of cerebral blood flow changes under various accelerations, and the relevant mathematical model was set up using the method of system recognition. Also the method of factor analyzing was used to select two out of the data collected by eight sensors as two factors. Results One of the two factors reflects the various patterns in the astronaut's upper body, the other for the lower body. Parameters of rise time, delay time and steady value reflect the results under different acceleration. Conclusion Whether for the upper body or the lower body, blood flow changes can be considered as a second order system model. This method provides a new technique and method of doing research on astronaut's endurance of acceleration and selecting astronauts.展开更多
On 30 May 2020,two National Aeronautics and Space Administration(NASA)astronauts,Robert Behnken and Douglas Hurley,made history as the first two people to travel to the International Space Station(ISS)aboard a private...On 30 May 2020,two National Aeronautics and Space Administration(NASA)astronauts,Robert Behnken and Douglas Hurley,made history as the first two people to travel to the International Space Station(ISS)aboard a private spacecraft(Fig.1).Nine weeks later,on 2 August 2020,the SpaceX(Hawthorne,CA,USA)built and operated Crew Dragon returned Behnken and Hurley back to Earth,safely completing the mission.展开更多
This commentary addresses the article by Wu et al. entitled 'On-orbit sleep problems of astronauts and countermeasures'. In this article, the authors discussed the sleep problems of astronauts. Despite its cha...This commentary addresses the article by Wu et al. entitled 'On-orbit sleep problems of astronauts and countermeasures'. In this article, the authors discussed the sleep problems of astronauts. Despite its challenging topic, the paper authored by Wu et al. has at least one major shortcoming. This issue is related to the observation that the sleep pattern of astronauts can be disturbed by light flash phenomenon. Since the first report by astronaut E.E. Aldrin in 1969, many astronauts have reported light flashes. These visually perceived flashes of light occurred in different shapes but they apparently moved across the visual field of astronauts and possibly caused, at least to some extent, sleep problems. Moreover, the countermeasures proposed by the authors may improve astronauts’ sleep pattern, but they do not address the root cause of the light flashes(i.e., heavy ion interactions outside the shielding provided by the Earth’s magnetosphere). A possible approach to reducing light flashes is available using the fact that much of the galactic cosmic radiation(GCR) spectrum is composed of ions that can be diverted from the spacecraft using electromagnetic fields. Possible design parameters and the requisite electric and magnetic field strengths to successfully deflect GCR radiation are outlined.展开更多
The 8th Young Astronauts International Conference took place in Beijing from August 2 to August 5, 1995. Present at the Conference are some 800 delegates from 10 countries and areas, such as Belarus, Russia, Kazakhsta...The 8th Young Astronauts International Conference took place in Beijing from August 2 to August 5, 1995. Present at the Conference are some 800 delegates from 10 countries and areas, such as Belarus, Russia, Kazakhstan, Korea, U. S. A. , Japan, Ukraine, China and Hongkong and Macao areas. The Young Astronauts International is an international organization engaged in popular space science education for展开更多
Compared with other ordinary launch vehicles, the LM-2F launch vehicle has two special systems, the fault detection processing system and launch escape system, because it is used for manned spaceflight missions. Durin...Compared with other ordinary launch vehicles, the LM-2F launch vehicle has two special systems, the fault detection processing system and launch escape system, because it is used for manned spaceflight missions. During the 10 flight missions carried out by LM-2F, only the展开更多
I’d like to take this opportunity,, on behalf of China National Space Administration and the host organization, the Chinese Society of Astronautics, to extend our best wishes to the opening of the Conference and warm...I’d like to take this opportunity,, on behalf of China National Space Administration and the host organization, the Chinese Society of Astronautics, to extend our best wishes to the opening of the Conference and warmly welcome all delegates here both from home and abroad. The Young Astronauts International is an international organization which devotes itself to the space popular science education among young people.展开更多
Sufficient sleep duration and good sleep quality are crucial to ensure normal physical and mental health, cognition and work performance for the common people, as well as astronauts. On-orbit sleep problem is very com...Sufficient sleep duration and good sleep quality are crucial to ensure normal physical and mental health, cognition and work performance for the common people, as well as astronauts. On-orbit sleep problem is very common among astronauts and has potential detrimental influences on the health of crewmembers and the safety of flight missions. Sleep in space is becoming a new medical research frontier. In this review we summarized on-orbit sleep problems of astronauts and six kinds of causes, and we presented the effects of lack of sleep on performance as well as mental and physical health, then we proposed seven kinds of countermeasures for sleep disturbance in spaceflight, including pharmacologic interventions, light treatment, crew selection and training, Traditional Chinese Medicine and so on. Furthermore, we discussed and oriented the prospect of researches on sleep in space.展开更多
The three Chinese astronauts on the Shenzhou・13 spaceship completed their six・month space station mission and returned to Earth safely on April 16.With the successful completion of the mission,China completed verifica...The three Chinese astronauts on the Shenzhou・13 spaceship completed their six・month space station mission and returned to Earth safely on April 16.With the successful completion of the mission,China completed verification of key technologies in its space station,and China set a record for Chinese astronauts'duration in orbit,the China Manned Space Agency(CMSA)said.展开更多
同学们一定对宇航员在太空的饮食起居感兴趣吧?本文从洗漱、三餐、娱乐、睡眠等方面来展现宇航员在太空的日常生活。Many people may wonder what the astronauts’life was like when working in space. In fact, they did many of the...同学们一定对宇航员在太空的饮食起居感兴趣吧?本文从洗漱、三餐、娱乐、睡眠等方面来展现宇航员在太空的日常生活。Many people may wonder what the astronauts’life was like when working in space. In fact, they did many of the things as we do on Earth.展开更多
1 If astronauts want to stay on the Moon for more than a few days,they must find local resources,and water is one of the most crucial ones.Scientists believe there's water on the Moon,but they're unsure of whe...1 If astronauts want to stay on the Moon for more than a few days,they must find local resources,and water is one of the most crucial ones.Scientists believe there's water on the Moon,but they're unsure of where it lies.2 Two probes are on their way to the Moon to solve this mystery.They will be launched on the same SpaceX Falcon 9 rocket from Cape Canaveral.If everything goes as planned,the first probe to reach the Moon will be Athena.Timothy Crain,the chief technology officer of Intuitive Machines,says it will take about 3 to 4 days,depending on the launch time.They'll orbit the Moon for 2 to 3 days to wait for the Sun to reach the landing site,because the lander's solar panels need sunlight to generate power.It only takes about 15 minutes to land softly after the engine is started.展开更多
《宇航学报》(Journal of Astronautics)是由中国科协主管、中国宇航学会主办的航天科技领域影响面最广泛的综合性中文学术期刊,创刊于1980年。学报关注航空宇航学科前瞻性研究、理论基础研究和工程实践运用,及时反映最新科技成果,促进...《宇航学报》(Journal of Astronautics)是由中国科协主管、中国宇航学会主办的航天科技领域影响面最广泛的综合性中文学术期刊,创刊于1980年。学报关注航空宇航学科前瞻性研究、理论基础研究和工程实践运用,及时反映最新科技成果,促进国内外学术交流。学报目前被EI、Scopus、北大中文核心、中国科技核心等数据库收录,多次获得“百种中国杰出学术期刊”等荣誉称号,是我国航天科技人员发表高水平学术论文的首选期刊。展开更多
《宇航学报》英文版(Advances in Astronautics)由中国宇航学会与哈尔滨工业大学联合主办,与中国宇航学会主办的中文旗舰学术期刊《宇航学报》实施一体化建设,定位于覆盖宇航领域主要技术方向的综合性英文学术期刊。本刊为英文季刊,与...《宇航学报》英文版(Advances in Astronautics)由中国宇航学会与哈尔滨工业大学联合主办,与中国宇航学会主办的中文旗舰学术期刊《宇航学报》实施一体化建设,定位于覆盖宇航领域主要技术方向的综合性英文学术期刊。本刊为英文季刊,与施普林格·自然集团合作出版,并已被Ei Compendex、Scopus等权威数据库收录,为全球科研人员提供高质量的成果发表平台。展开更多
《宇航学报》(Journal of Astronautics)是由中国科协主管、中国宇航学会主办的航天科技领域影响面最广泛的综合性中文学术期刊,创刊于1980年。学报关注航空宇航学科前瞻性研究、理论基础研究和工程实践运用,及时反映最新科技成果,促进...《宇航学报》(Journal of Astronautics)是由中国科协主管、中国宇航学会主办的航天科技领域影响面最广泛的综合性中文学术期刊,创刊于1980年。学报关注航空宇航学科前瞻性研究、理论基础研究和工程实践运用,及时反映最新科技成果,促进国内外学术交流。学报目前被EI、Scopus、北大中文核心、中国科技核心等数据库收录,多次获得“百种中国杰出学术期刊”等荣誉称号,是我国航天科技人员发表高水平学术论文的首选期刊。展开更多
《宇航学报》(Journal of Astronautics)是由中国科协主管、中国宇航学会主办的航天科技领域影响面最广泛的综合性中文学术期刊,创刊于1980年。学报关注航空宇航学科前瞻性研究、理论基础研究和工程实践运用,及时反映最新科技成果,促进...《宇航学报》(Journal of Astronautics)是由中国科协主管、中国宇航学会主办的航天科技领域影响面最广泛的综合性中文学术期刊,创刊于1980年。学报关注航空宇航学科前瞻性研究、理论基础研究和工程实践运用,及时反映最新科技成果,促进国内外学术交流。学报目前被EI、Scopus、北大中文核心、中国科技核心等数据库收录,多次获得“百种中国杰出学术期刊”等荣誉称号,是我国航天科技人员发表高水平学术论文的首选期刊。展开更多
《宇航学报》(Journal of Astronautics)是由中国科协主管、中国宇航学会主办的航天科技领域影响面最广泛的综合性中文学术期刊,创刊于1980年。学报关注航空宇航学科前瞻性研究、理论基础研究和工程实践运用,及时反映最新科技成果,促进...《宇航学报》(Journal of Astronautics)是由中国科协主管、中国宇航学会主办的航天科技领域影响面最广泛的综合性中文学术期刊,创刊于1980年。学报关注航空宇航学科前瞻性研究、理论基础研究和工程实践运用,及时反映最新科技成果,促进国内外学术交流。学报目前被EI、Scopus、北大中文核心、中国科技核心等数据库收录,多次获得“百种中国杰出学术期刊”等荣誉称号,是我国航天科技人员发表高水平学术论文的首选期刊。展开更多
《宇航学报》英文版(Advances in Astronautics)由中国宇航学会与哈尔滨工业大学联合主办,与中国宇航学会主办的中文旗舰学术期刊《宇航学报》实施一体化建设,定位于覆盖宇航领域主要技术方向的综合性英文学术期刊。本刊为英文季刊,与...《宇航学报》英文版(Advances in Astronautics)由中国宇航学会与哈尔滨工业大学联合主办,与中国宇航学会主办的中文旗舰学术期刊《宇航学报》实施一体化建设,定位于覆盖宇航领域主要技术方向的综合性英文学术期刊。本刊为英文季刊,与施普林格·自然集团合作出版,并已被Ei Compendex、Scopus等权威数据库收录,为全球科研人员提供高质量的成果发表平台。展开更多
《宇航学报》英文版(Advances in Astronautics)由中国宇航学会与哈尔滨工业大学联合主办,与中国宇航学会主办的中文旗舰学术期刊《宇航学报》实施一体化建设,定位于覆盖宇航领域主要技术方向的综合性英文学术期刊。本刊为英文季刊,与...《宇航学报》英文版(Advances in Astronautics)由中国宇航学会与哈尔滨工业大学联合主办,与中国宇航学会主办的中文旗舰学术期刊《宇航学报》实施一体化建设,定位于覆盖宇航领域主要技术方向的综合性英文学术期刊。本刊为英文季刊,与施普林格·自然集团合作出版,并已被Ei Compendex、Scopus等权威数据库收录,为全球科研人员提供高质量的成果发表平台。展开更多
《宇航学报》英文版(Advances in Astronautics)由中国宇航学会与哈尔滨工业大学联合主办,与中国宇航学会主办的中文旗舰学术期刊《宇航学报》实施一体化建设,定位于覆盖宇航领域主要技术方向的综合性英文学术期刊。本刊为英文季刊,与...《宇航学报》英文版(Advances in Astronautics)由中国宇航学会与哈尔滨工业大学联合主办,与中国宇航学会主办的中文旗舰学术期刊《宇航学报》实施一体化建设,定位于覆盖宇航领域主要技术方向的综合性英文学术期刊。本刊为英文季刊,与施普林格·自然集团合作出版,并已被Ei Compendex、Scopus等权威数据库收录,为全球科研人员提供高质量的成果发表平台。展开更多
About Journal Chinese Journal of Aeronautics (CJA) is a comprehensive academic journal dealing with the fields of aeronautics and astronautics.It reports researches concerning the two fields in China and abroad to pro...About Journal Chinese Journal of Aeronautics (CJA) is a comprehensive academic journal dealing with the fields of aeronautics and astronautics.It reports researches concerning the two fields in China and abroad to promote the academic exchange.Founded in 1988 and sponsored by the Chinese Society of Aeronautics and Astronautics and Beihang University,CJA publishes papers monthly.The intended readers of the journal are specialized technical workers,teachers and students in colleges and universities and the related personnel of management,and they devote themselves to or are interested in the scientific research,teaching,design,experimentation.展开更多
About Journal Chinese Journal of Aeronautics(CJA)is a comprehensive academic journal dealing with the fields of aeronautics and astronautics.It reports researches concerning the two fields in China and abroad to promo...About Journal Chinese Journal of Aeronautics(CJA)is a comprehensive academic journal dealing with the fields of aeronautics and astronautics.It reports researches concerning the two fields in China and abroad to promote the academic exchange.Founded in 1988 and sponsored by the Chinese Society of Aeronautics and Astronautics and Beihang University,CJA publishes papers monthly.展开更多
文摘Aim Using animals as object of experiment to acquire various patterns of low cerebral blood pressure and reduced blood capacity in cerebral tissues of astronauts due to the load of acceleration. Methods The isotope tracking technique was applied to mark the blood and record the dynamic curves of cerebral blood flow changes under various accelerations, and the relevant mathematical model was set up using the method of system recognition. Also the method of factor analyzing was used to select two out of the data collected by eight sensors as two factors. Results One of the two factors reflects the various patterns in the astronaut's upper body, the other for the lower body. Parameters of rise time, delay time and steady value reflect the results under different acceleration. Conclusion Whether for the upper body or the lower body, blood flow changes can be considered as a second order system model. This method provides a new technique and method of doing research on astronaut's endurance of acceleration and selecting astronauts.
文摘On 30 May 2020,two National Aeronautics and Space Administration(NASA)astronauts,Robert Behnken and Douglas Hurley,made history as the first two people to travel to the International Space Station(ISS)aboard a private spacecraft(Fig.1).Nine weeks later,on 2 August 2020,the SpaceX(Hawthorne,CA,USA)built and operated Crew Dragon returned Behnken and Hurley back to Earth,safely completing the mission.
文摘This commentary addresses the article by Wu et al. entitled 'On-orbit sleep problems of astronauts and countermeasures'. In this article, the authors discussed the sleep problems of astronauts. Despite its challenging topic, the paper authored by Wu et al. has at least one major shortcoming. This issue is related to the observation that the sleep pattern of astronauts can be disturbed by light flash phenomenon. Since the first report by astronaut E.E. Aldrin in 1969, many astronauts have reported light flashes. These visually perceived flashes of light occurred in different shapes but they apparently moved across the visual field of astronauts and possibly caused, at least to some extent, sleep problems. Moreover, the countermeasures proposed by the authors may improve astronauts’ sleep pattern, but they do not address the root cause of the light flashes(i.e., heavy ion interactions outside the shielding provided by the Earth’s magnetosphere). A possible approach to reducing light flashes is available using the fact that much of the galactic cosmic radiation(GCR) spectrum is composed of ions that can be diverted from the spacecraft using electromagnetic fields. Possible design parameters and the requisite electric and magnetic field strengths to successfully deflect GCR radiation are outlined.
文摘The 8th Young Astronauts International Conference took place in Beijing from August 2 to August 5, 1995. Present at the Conference are some 800 delegates from 10 countries and areas, such as Belarus, Russia, Kazakhstan, Korea, U. S. A. , Japan, Ukraine, China and Hongkong and Macao areas. The Young Astronauts International is an international organization engaged in popular space science education for
文摘Compared with other ordinary launch vehicles, the LM-2F launch vehicle has two special systems, the fault detection processing system and launch escape system, because it is used for manned spaceflight missions. During the 10 flight missions carried out by LM-2F, only the
文摘I’d like to take this opportunity,, on behalf of China National Space Administration and the host organization, the Chinese Society of Astronautics, to extend our best wishes to the opening of the Conference and warmly welcome all delegates here both from home and abroad. The Young Astronauts International is an international organization which devotes itself to the space popular science education among young people.
基金supported by the Manned Spaceflight Program of China,the Advanced Space Medio-Engineering Research Project of China(2014SY54A0001)
文摘Sufficient sleep duration and good sleep quality are crucial to ensure normal physical and mental health, cognition and work performance for the common people, as well as astronauts. On-orbit sleep problem is very common among astronauts and has potential detrimental influences on the health of crewmembers and the safety of flight missions. Sleep in space is becoming a new medical research frontier. In this review we summarized on-orbit sleep problems of astronauts and six kinds of causes, and we presented the effects of lack of sleep on performance as well as mental and physical health, then we proposed seven kinds of countermeasures for sleep disturbance in spaceflight, including pharmacologic interventions, light treatment, crew selection and training, Traditional Chinese Medicine and so on. Furthermore, we discussed and oriented the prospect of researches on sleep in space.
文摘The three Chinese astronauts on the Shenzhou・13 spaceship completed their six・month space station mission and returned to Earth safely on April 16.With the successful completion of the mission,China completed verification of key technologies in its space station,and China set a record for Chinese astronauts'duration in orbit,the China Manned Space Agency(CMSA)said.
文摘同学们一定对宇航员在太空的饮食起居感兴趣吧?本文从洗漱、三餐、娱乐、睡眠等方面来展现宇航员在太空的日常生活。Many people may wonder what the astronauts’life was like when working in space. In fact, they did many of the things as we do on Earth.
文摘1 If astronauts want to stay on the Moon for more than a few days,they must find local resources,and water is one of the most crucial ones.Scientists believe there's water on the Moon,but they're unsure of where it lies.2 Two probes are on their way to the Moon to solve this mystery.They will be launched on the same SpaceX Falcon 9 rocket from Cape Canaveral.If everything goes as planned,the first probe to reach the Moon will be Athena.Timothy Crain,the chief technology officer of Intuitive Machines,says it will take about 3 to 4 days,depending on the launch time.They'll orbit the Moon for 2 to 3 days to wait for the Sun to reach the landing site,because the lander's solar panels need sunlight to generate power.It only takes about 15 minutes to land softly after the engine is started.
文摘《宇航学报》(Journal of Astronautics)是由中国科协主管、中国宇航学会主办的航天科技领域影响面最广泛的综合性中文学术期刊,创刊于1980年。学报关注航空宇航学科前瞻性研究、理论基础研究和工程实践运用,及时反映最新科技成果,促进国内外学术交流。学报目前被EI、Scopus、北大中文核心、中国科技核心等数据库收录,多次获得“百种中国杰出学术期刊”等荣誉称号,是我国航天科技人员发表高水平学术论文的首选期刊。
文摘《宇航学报》英文版(Advances in Astronautics)由中国宇航学会与哈尔滨工业大学联合主办,与中国宇航学会主办的中文旗舰学术期刊《宇航学报》实施一体化建设,定位于覆盖宇航领域主要技术方向的综合性英文学术期刊。本刊为英文季刊,与施普林格·自然集团合作出版,并已被Ei Compendex、Scopus等权威数据库收录,为全球科研人员提供高质量的成果发表平台。
文摘《宇航学报》(Journal of Astronautics)是由中国科协主管、中国宇航学会主办的航天科技领域影响面最广泛的综合性中文学术期刊,创刊于1980年。学报关注航空宇航学科前瞻性研究、理论基础研究和工程实践运用,及时反映最新科技成果,促进国内外学术交流。学报目前被EI、Scopus、北大中文核心、中国科技核心等数据库收录,多次获得“百种中国杰出学术期刊”等荣誉称号,是我国航天科技人员发表高水平学术论文的首选期刊。
文摘《宇航学报》(Journal of Astronautics)是由中国科协主管、中国宇航学会主办的航天科技领域影响面最广泛的综合性中文学术期刊,创刊于1980年。学报关注航空宇航学科前瞻性研究、理论基础研究和工程实践运用,及时反映最新科技成果,促进国内外学术交流。学报目前被EI、Scopus、北大中文核心、中国科技核心等数据库收录,多次获得“百种中国杰出学术期刊”等荣誉称号,是我国航天科技人员发表高水平学术论文的首选期刊。
文摘《宇航学报》(Journal of Astronautics)是由中国科协主管、中国宇航学会主办的航天科技领域影响面最广泛的综合性中文学术期刊,创刊于1980年。学报关注航空宇航学科前瞻性研究、理论基础研究和工程实践运用,及时反映最新科技成果,促进国内外学术交流。学报目前被EI、Scopus、北大中文核心、中国科技核心等数据库收录,多次获得“百种中国杰出学术期刊”等荣誉称号,是我国航天科技人员发表高水平学术论文的首选期刊。
文摘《宇航学报》英文版(Advances in Astronautics)由中国宇航学会与哈尔滨工业大学联合主办,与中国宇航学会主办的中文旗舰学术期刊《宇航学报》实施一体化建设,定位于覆盖宇航领域主要技术方向的综合性英文学术期刊。本刊为英文季刊,与施普林格·自然集团合作出版,并已被Ei Compendex、Scopus等权威数据库收录,为全球科研人员提供高质量的成果发表平台。
文摘《宇航学报》英文版(Advances in Astronautics)由中国宇航学会与哈尔滨工业大学联合主办,与中国宇航学会主办的中文旗舰学术期刊《宇航学报》实施一体化建设,定位于覆盖宇航领域主要技术方向的综合性英文学术期刊。本刊为英文季刊,与施普林格·自然集团合作出版,并已被Ei Compendex、Scopus等权威数据库收录,为全球科研人员提供高质量的成果发表平台。
文摘《宇航学报》英文版(Advances in Astronautics)由中国宇航学会与哈尔滨工业大学联合主办,与中国宇航学会主办的中文旗舰学术期刊《宇航学报》实施一体化建设,定位于覆盖宇航领域主要技术方向的综合性英文学术期刊。本刊为英文季刊,与施普林格·自然集团合作出版,并已被Ei Compendex、Scopus等权威数据库收录,为全球科研人员提供高质量的成果发表平台。
文摘About Journal Chinese Journal of Aeronautics (CJA) is a comprehensive academic journal dealing with the fields of aeronautics and astronautics.It reports researches concerning the two fields in China and abroad to promote the academic exchange.Founded in 1988 and sponsored by the Chinese Society of Aeronautics and Astronautics and Beihang University,CJA publishes papers monthly.The intended readers of the journal are specialized technical workers,teachers and students in colleges and universities and the related personnel of management,and they devote themselves to or are interested in the scientific research,teaching,design,experimentation.
文摘About Journal Chinese Journal of Aeronautics(CJA)is a comprehensive academic journal dealing with the fields of aeronautics and astronautics.It reports researches concerning the two fields in China and abroad to promote the academic exchange.Founded in 1988 and sponsored by the Chinese Society of Aeronautics and Astronautics and Beihang University,CJA publishes papers monthly.
