Zobrazeno 1 - 10
of 1 293
pro vyhledávání: '"Shan JIA"'
Publikováno v:
Space: Science & Technology, Vol 4 (2024)
For the needs of manned landing, station construction, and material transfer in future lunar exploration missions, the paper proposes a landing–moving integrated gear (LMIG) for mobile lunar lander (MLL), establishes and optimizes the models of cus
Externí odkaz:
https://doaj.org/article/014f8e33d4744d6e8bc1fc9a862a95b0
Publikováno v:
Heliyon, Vol 9, Iss 4, Pp e14825- (2023)
In order to improve the buffering performance of a walkable lunar lander (WLL), an optimization method of multi-layer combined gradient cellular structure (MCGCS) is proposed. The impact load, impact action time, impact overload, and deformation amou
Externí odkaz:
https://doaj.org/article/4bb5d81427474819a3573e33f324ddeb
Publikováno v:
Frontiers in Neuroscience, Vol 17 (2023)
ObjectiveThe benefits of traditional Chinese non-pharmacological therapies in the treatment of Knee osteoarthritis (KOA) are receiving increasing attention. Therefore, this study aims to systematically analyze the global research on the treatment of
Externí odkaz:
https://doaj.org/article/d921a5a043274b469e1a48b2afaa1186
Publikováno v:
Mathematical Biosciences and Engineering, Vol 18, Iss 1, Pp 231-252 (2021)
In many traditional soft-landing missions, researchers design the lander and the rover as two separate individuals, which has its limitations. At present, research on landers mainly focuses on the performance analysis of those who cannot move, and th
Externí odkaz:
https://doaj.org/article/953fcde2fd3d4b84a86ffe840b9353ad
Publikováno v:
Frontiers in Psychology, Vol 11 (2021)
Facial expressions of emotion play an important role in human social interactions. However, posed expressions of emotion are not always the same as genuine feelings. Recent research has found that facial expressions are increasingly used as a tool fo
Externí odkaz:
https://doaj.org/article/df3db61c87944d5d9295db5a124d59a0
Publikováno v:
Entropy, Vol 24, Iss 3, p 404 (2022)
Differential privacy (DP) has become a de facto standard to achieve data privacy. However, the utility of DP solutions with the premise of privacy priority is often unacceptable in real-world applications. In this paper, we propose the best-effort di
Externí odkaz:
https://doaj.org/article/3d518c24c51749be99e3a964486eea7b
Publikováno v:
IEEE Access, Vol 6, Pp 25323-25335 (2018)
Video copy-move forgery detection is one of the hot topics in multimedia forensics to protect digital videos from malicious use. Several approaches have been presented through analyzing the side effect caused by copy-move operation. However, based on
Externí odkaz:
https://doaj.org/article/3e06f63973fa41b8af4052b254c8b056
Autor:
Xiaohui Quan, Yuqiang Ji, Chunyan Zhang, Xuan Guo, Yan Zhang, Shan Jia, Weidong Ma, Yajie Fan, Congxia Wang
Publikováno v:
Cellular Physiology and Biochemistry, Vol 45, Iss 1, Pp 226-236 (2018)
Background/Aims: Subclinical hypothyroidism (SCH) plays a crucial role in the development and progression of coronary heart disease (CHD). However, any associated changes in the circulating microRNAs (miRNAs) levels and slightly elevated thyroid stim
Externí odkaz:
https://doaj.org/article/794c15406b7a4e4eb84293831cc650a2
Publikováno v:
Symmetry, Vol 12, Iss 9, p 1572 (2020)
Reusable launch vehicles (RLVs) are a solution for effective and economic transportation in future aerospace exploration. However, RLVs are limited to being used under simple landing conditions (small landing velocity and angle) due to their poor ada
Externí odkaz:
https://doaj.org/article/6ff5253fe80c4f32bfbc2b6e589d2b43
Publikováno v:
Materials, Vol 13, Iss 15, p 3340 (2020)
To improve the soft-landing crash performance of the movable lander (ML), this study presents an investigation of a newly designed gradual energy-absorbing structure subjected to impact loads using an ML for theoretical calculation and numerical simu
Externí odkaz:
https://doaj.org/article/0b600cf39d584a119bcf4a6b3a0cdb07