Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Shengli Duan"'
Autor:
Yongchao Wang, Yu Chen, Shengli Duan, Yiyang Cao, Wenjin Sun, Mei Zhang, Delin Zhao, Donghua Hu, Jianwei Dong
Publikováno v:
Molecules, Vol 29, Iss 8, p 1790 (2024)
A chemselective catalyst-free three-component 1,3-dipolar cycloaddition has been described. The unique polycyclic THPI and THIQs were creatively employed as dipolarophiles, which led to the formation of functionalized β-tetrahydrocarboline- and tetr
Externí odkaz:
https://doaj.org/article/1a0963af230d4f3cb47bacd5f43ce112
Publikováno v:
Academic Journal of Science and Technology. 4:17-20
This paper identifies the safety risk factors of large passenger flow in subway, select the core factors according to the Rough Set Theory, and establishes a systematic risk warning framework of large passenger flow. The early warning level and thres
Autor:
Hongjiong Tian, Shengli Duan
Publikováno v:
Journal of Computational and Applied Mathematics. 303:31-39
The so-called delayed recruitment/renewal equation provides the mathematical model in a diverse spectrum of practical applications and may become singularly perturbed when the time-lag is large relative to the reciprocal of the decay rate. In order t
Publikováno v:
2007 International Conference on Mechatronics and Automation.
Principle component analysis (PCA) and linear discriminant analysis(LDA) are effective methods for feature extraction, and they were successfully utilized for face recognition. But face image data distribution in practice is highly complex because of
Publikováno v:
2007 International Conference on Mechatronics & Automation; 2007, p3560-3564, 5p