Zobrazeno 1 - 2
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pro vyhledávání: '"Yong-Feng Tian"'
Autor:
Yu-Feng Xiao, Jia-Lin He, Yu Xu, Xi Liu, Hui Lin, Qi Li, Zhi Xu, Ming-Dong Hu, Xiao-Bao Ren, Cheng Zhang, Wen-Jing Zhang, Wei Duan, Yong-Feng Tian, Ping Li, Hao Wu, Cai-Ping Song, En Liu, Shi-Ming Yang
Publikováno v:
Frontiers in Medicine, Vol 8 (2021)
Objectives: Diabetes is a risk factor for poor COVID-19 prognosis. The analysis of related prognostic factors in diabetic patients with COVID-19 would be helpful for further treatment of such patients.Methods: This retrospective study involved 3623 p
Externí odkaz:
https://doaj.org/article/7de00e7f161848a097b7a92e46fd5a06
Establishment and Application of an Equivalent Impact Model of Coupler in Front of Subway Locomotive
Publikováno v:
Applied Mechanics and Materials. 251:36-41
Coupler’s energy absorption part is made up of elastic buffer and crushing tube. Elastic buffer is used to absorb impact energy produced from locomotive’s normal running process while the crushing tube is used to absorb the ones produced from acc