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The properties of halo structure for 17B
Springer Science and Business Media LLC - Tập 51 - Trang 781-787 - 2008
ZhengGuo Hu, Meng Wang, HuShan Xu, ZhiYu Sun, JianSong Wang, GuoQing Xiao, WenLong Zhan, ZhiGang Xiao, RuiShi Mao, Chen Li, XueYing Zhang, HongBin Zhang, TieCheng Zhao, ZhiGuo Xu, Yue Wang, RuoFu Chen, TianHeng Huang, Fen Fu, Qi Gao, JianLong Han, XueHeng Zhang, Chuan Zheng, YuHong Yu, ZhongYan Guo
The total reaction cross section (1724 ± 93 mb) of 17B at the energy of 43.7 A MeV on C target has been measured by using the transmission method at the Radioactive Ion Beam Line in Lanzhou (RIBLL). Assuming 17B consists of a core 15B plus two halo neutrons, the total cross section of 17B on C target was calculated with the zero-range Glauber model, where double Gaussian density distributions and ... hiện toàn bộ
Structural and mechanical properties of nano-crystal TiN coatings
Springer Science and Business Media LLC - - 2004
Chenhui Zhang, Guoshun Pan, Jianbin Luo, Wenzhi Li, Darong Chen
Dynamic behavior of micro-diaphragms and its characterized description
Springer Science and Business Media LLC - Tập 52 - Trang 1345-1356 - 2009
LiFeng Ge
Diaphragm structures with micron scale play a significant role in microtransducers and micro-nano devices, and the performance of these devices depends mainly on the dynamic behaviour of diaphragms. Micro-diaphragms are treated commonly as membranes and in some cases as plates or plates in tension (called TD plates for short), but they also show in many cases the behaviour of plates in tension and... hiện toàn bộ
CAPS satellite spread spectrum communication blind multi-user detecting system based on chaotic sequences
Springer Science and Business Media LLC - - 2009
Lihua Lei, Hongrong Shi, Guanyi Ma
Post-Newtonian perturbed theory of elastic astronomical bodies in rotating spherical coordinates
Springer Science and Business Media LLC - Tập 46 - Trang 307-320 - 2003
Xuejun Wu, Chongming Xu, Soffel Michael
In this paper the dynamical equations for an elastic deformable body in the first post-Newtonian approximation of Einstein theory of gravity are derived in rotating spherical coordinates. The unperturbed rotating body (the relaxed ground state) is described as uniformly rotating, stationary and axisymmetric configuration in an asymptotically flat space-time manifold. Deviations from the equilibriu... hiện toàn bộ
Transverse coupling and dynamics of patterns in a photorefractive oscillator
Springer Science and Business Media LLC - Tập 46 - Trang 214-224 - 2003
Xu Jiong, Zhuang Jun, Zhao Li, Li Yufen, Li Fuming
The effect of transverse coupling in a photorefractive oscillator is studied. From the study the condition for stable optical patterns of multimode oscillation is given analytically and verified by numerical simulation. Under the stable condition, the period-doubling route to spatiotemporal chaos is observed.
Anomalous magnetotransport in LaMn1−x Te x O3
Springer Science and Business Media LLC - - 2009
Guotai Tan, Zheng‐hao Chen, Xiaozhong Zhang
Discovery of a high confidence soft lag from an X-ray flare of Markarian 421
Springer Science and Business Media LLC - Tập 53 - Trang 224-227 - 2010
YouHong Zhang, ZhengTian Hou, Li Shao, Peng Zhang
We present the X-ray variability properties of the X-ray and TeV bright blazar Mrk 421 with a ∼60 ks long XMM-Newton observation performed on November 9–10, 2005. The source experienced a pronounced flare, of which the inter-band time lags were determined with a very high confidence level. The soft (0.6–0.8 keV) X-ray variations lagged the hard (4–10 keV) ones by 1.09 −0.12 +0.11 ks, and the soft ... hiện toàn bộ
Rotation effect on near-wall turbulence statistics and flow structures
Springer Science and Business Media LLC - Tập 48 - Trang 211-227 - 2016
Nansheng Liu, Xiyun Lu, Lixian Zhuang
Large eddy simulation (LES) of turbulent flow through an axially rotating pipe, coupled with nonlinear dynamic subgrid-scale (SGS) model, is carried out to investigate rotation effect on the near-wall turbulence characteristics and flow structures. In the rotating turbulent pipe flow, it is found that the tendency towards a relaminarized flow appears and the axial velocity fluctuation is suppresse... hiện toàn bộ
Numerical study of point spread function of a fast neutron radiography system based on scintillating-fiber array
Springer Science and Business Media LLC - Tập 50 - Trang 698-706 - 2007
FaQing Zhang, ZhengHong Li, JianLun Yang, Fan Ye, Zhen Wang, GuangXin Xia, ChunTong Ying, GuangJun Liu
For a scintillating-fiber array fast-neutron radiography system, a point-spread-function computing model was introduced, and the simulation code was developed. The results of calculation show that fast-neutron radiographs vary with the size of fast neutron sources, the size of fiber cross-section and the imaging geometry. The results suggest that the following qualifications are helpful for a good... hiện toàn bộ
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