Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Cheng-jun HE"'
Publikováno v:
气体物理, Vol 8, Iss 5, Pp 19-27 (2023)
Fluidic thrust vectoring technology can provide good stealth performance and longitudinal maneuvering moment for supersonic tailless configurations, with advantages of fast response and light weight. The bypass shock vectoring nozzle does not need to
Externí odkaz:
https://doaj.org/article/c8d94fbdde1248549040d652502c4d0f
Autor:
Ou Dai, Cheng-Jun He, Xiao-Hong Li, Li Guo, Xiao-Fang Xie, Feng Wan, Qin-Mei Zhou, Cheng Peng, Liang Xiong
Publikováno v:
Molecules, Vol 18, Iss 1, Pp 963-973 (2013)
The herb and fruits of Leonurus japonicus Houtt., named “Yimucao” and “Chongweizi”, respectively, in Chinese, have been widely used in China as gynecological medicines. The components of the essential oils obtained by hydrodistillation were i
Externí odkaz:
https://doaj.org/article/c02e22c3d58d4af7b8f4582fef1e9a85
Autor:
Qin-Mei Zhou, Ou Dai, Feng Wan, Zhao Geng, Cheng-Jun He, Li Guo, Cheng Peng, Xiao-Fang Xie, Liang Xiong
Publikováno v:
Molecules, Vol 17, Iss 8, Pp 9939-9946 (2012)
Two new alkaloids, aconicarmine (1) and aconicaramide (5), were isolated from the EtOH extract of the lateral roots of Aconitum carmichaelii, together with five known compounds: fuziline (2), neoline (3), N-ethylhokbusine B (4), 5-hydroxymethylpyrrol
Externí odkaz:
https://doaj.org/article/20132ba00f95463a91d13890acdf3cf1
Publikováno v:
Journal of Physics: Conference Series. 2472:012002
In this paper, a novel thrust vector control method based on Coanda effect is proposed for conical surface. The effect of thrust vector control is studied by computation fluid dynamic (CFD) numerical simulation. When there is no side plate on both si
On the competition of anti-lift-up mechanism and Reynolds stress mechanism in Spiral Poiseuille flow
Publikováno v:
Modern Physics Letters B. 35
This work is devoted to the studies of optimal perturbation and its transient growth characteristics in Spiral Poiseuille flow (SPF). The Poiseuille number [Formula: see text], representing the dimensionless axial pressure gradient, is varied from 0
Autor:
Ting Yu, Cheng-Jun He
Publikováno v:
Applied Mathematics Letters. 87:27-34
In this paper, we establish a global compactness result for (P.S.) sequences of the variational functional of the elliptic problem − Δ u − μ | x | 2 u = 1 | x | s | u | 2 s ∗ − 2 u + λ u , x ∈ Ω , u = 0 on ∂ Ω , where Ω ⊂ R n , n
Publikováno v:
Phytochemical Analysis. 29:290-299
Introduction Bulbus fritillariae cirrhosae (known as Chuān bei mǔ in China, BFC) contain fritillaria steroidal alkaloids as the bioactive ingredients and are widely used as traditional Chinese medicine for the treatment of cough and phlegm. Due to
Autor:
Cheng-Jun He, Chang-Lin Xiang
Publikováno v:
Journal of Mathematical Analysis and Applications. 441:211-234
Optimal estimates on asymptotic behaviors of weak solutions both at the origin and at the infinity are obtained to the following quasilinear elliptic equations
Autor:
Xiao-hong Li, Li Guo, Cheng Peng, Jin - hui Bian, Ting-mo Zhang, Cheng-jun He, Qin-mei Zhou, Liang Xiong
Publikováno v:
Records of Natural Products, Vol 10, Iss 1, Pp 113-116 (2016)
An investigation of n-BuOH extract of Dendrobium aurantiacum var. denneanum stems has led to the isolation of a new 8′,9′-dinor 8,4′-oxyneolignane glucoside, (–)-(7 S ,8 S )-4-hydroxy-3,3′,5,5′-tetramethoxy-8′,9′-dinor - 8,4′-oxyneo
Autor:
Ya-Cong He, Cheng-Jun He, Xiao-Fang Xie, Jian-Lin Liu, Li Guo, Yike Zou, Cheng Peng, Liang Xiong
Publikováno v:
Fitoterapia. 100:7-10
Two new 2,4'-epoxy-8,5'-neolignans (1 and 2), together with five known 7,9';7',9-diepoxylignans (3-7), were isolated from an ethyl acetate soluble portion of a hepatoprotective water decoction of Penthorum chinese. Their structures and absolute confi