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科研机构
北京大学 [68]
内容类型
期刊论文 [60]
其他 [8]
发表日期
2006 [4]
2005 [5]
2004 [10]
2003 [4]
2002 [2]
2001 [6]
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浏览/检索结果:
共68条,第1-10条
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专题:北京大学
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Difference discrete system of Euler-beam with arbitrary supports and sign-oscillatory property of stiffness matrices
期刊论文
applied mathematics and mechanics english edition, 2006
Wang, QS
;
Wang, DJ
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/12
Euler-beam
difference discrete systems
stiffness matrices
sign-oscillatory property
QUALITATIVE PROPERTIES
Nano-fibriform production of silica from natural chrysotile
期刊论文
胶体与界面科学杂志, 2006
Wang, LJ
;
Lu, AH
;
Wang, CQ
;
Zheng, XS
;
Zhao, DJ
;
Liu, R
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/11
silica
nano-fibriform
magnesium leaching degree
chrysotile
RICE HULL ASH
SURFACE
An investigation of different morphological and structural changes in neodymium hydroxide nanoparticles
期刊论文
journal of crystal growth, 2006
Wang, JJ
;
Xiao, GL
;
Xu, YH
;
Zhou, Y
;
Xiong, BQ
;
Cui, S
;
Wang, DJ
;
Xu, DF
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2015/11/12
FT-Raman
morphology
nanoparticles
neodymium hydroxide
BIOMIMETIC MATERIALS
ENHANCEMENT
Reduction approaches for vibration control of repetitive structures
期刊论文
applied mathematics and mechanics english edition, 2006
Chen, WM
;
Sun, DC
;
Wang, DJ
;
Wei, JP
;
Tong, LY
;
Wang, Q
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/10
vibration control of structures
repetitive structure
symmetric structure
cyclic periodic structure
linking structure
PERIODIC STRUCTURES
Investigation of the variation of unit cell dimensions of crystalline polymers with high-resolution FT-IR spectroscopy
期刊论文
大分子快讯, 2005
Su, ZQ
;
Zhao, Y
;
Kang, N
;
Zhang, XQ
;
Xu, YZ
;
Wu, JG
;
Wang, DJ
;
Han, CC
;
Xu, DF
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/12
crystal structures
FF-IR
polyethylene (PE)
unit cell dimension
X-ray
N-ALKANES
POLYETHYLENE
TEMPERATURE
CHAIN
COPOLYMERS
DEPENDENCE
BEHAVIOR
Static shape control of repetitive structures integrated with piezoelectric actuators
期刊论文
智能材料与结构, 2005
Jin, DK
;
Sun, DC
;
Chen, WM
;
Wang, DJ
;
Tong, LY
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/16
COMPOSITE PLATES
PERIODIC STRUCTURES
VIBRATION
Geographical information system of excavated high slopes in the Three Gorges Reservoir Areas, China
其他
2005-01-01
Lu, DJ
;
Wang, ZY
;
Chen, YM
;
Luo, YH
;
Chen, XW
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
geographical information system
excavated high slopes
Three Gorges Reservoir Areas
Remote sensing analysis to forest changes of the biodiversity hotspots in Southwest China
其他
2005-01-01
Wei, WX
;
Zhang, T
;
Li, S
;
Wang, DJ
;
Steininger, M
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/13
remote sensing analysis
biodiversity
maximum likelihood classification (MLC)
habitat
forest degradations
A GIS-based management system of excavated high slopes in the Three Gorges reservoir areas
其他
2005-01-01
Lu, DJ
;
Wang, ZY
;
Luo, YH
;
Chen, XW
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
excavated high slopes
Three Gorges reservoir areas
GIS
An incremental algorithm for static shape control of smart structures with nonlinear piezoelectric actuators
期刊论文
international journal of solids and structures, 2004
Sun, DC
;
Tong, LY
;
Wang, DJ
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/12
shape control
piezoelectric transducers
nonlinear
adhesive element
incremental algorithms
COMPOSITE PLATES
BEHAVIOR
SHELLS
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