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北京大学 [13]
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期刊论文 [10]
其他 [3]
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2017 [1]
2016 [1]
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专题:北京大学
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Utilizing a 3D Global P-Wave Tomography Model to Improve Backprojection Imaging: A Case Study of the 2015 Nepal Earthquake
期刊论文
BULLETIN OF THE SEISMOLOGICAL SOCIETY OF AMERICA, 2017
Liu, Zhipeng
;
Song, Chao
;
Meng, Lingsen
;
Ge, Zengxi
;
Huang, Qinghua
;
Wu, Qingju
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
7.7 BALOCHISTAN EARTHQUAKE
GORKHA EARTHQUAKE
BACK-PROJECTION
SEISMIC RADIATION
TRAVEL-TIMES
RUPTURE
MEGATHRUST
LOCATION
TRACKING
ENERGY
First in situ evidence of electron pitch angle scattering due to magnetic field line curvature in the Ion diffusion region
期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2016
Zhang, Y. C.
;
Shen, C.
;
Marchaudon, A.
;
Rong, Z. J.
;
Lavraud, B.
;
Fazakerley, A.
;
Yao, Z.
;
Mihaljcic, B.
;
Ji, Y.
;
Ma, Y. H.
;
Liu, Z. X.
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/04
plasma sheet
magnetic reconnection
magnetic curvature
pitch angle scattering
CHARGED-PARTICLE MOTION
CURRENT SHEET
CLUSTER
MAGNETOTAIL
RECONNECTION
Petrogenesis and geodynamic significance of the late Palaeozoic Dongwanzi Complex, North China Craton: constraints from petrological, geochemical, and Os-Nd-Sr isotopic data
期刊论文
international geology review, 2014
Ma, Xu
;
Chen, Bin
;
Chen, Jia-Fu
;
Qu, Wen-Jun
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/11
late Palaeozoic
cumulate
active continental margin
North China Craton
crust-mantle interaction
LITHOSPHERIC MANTLE BENEATH
SINO-KOREAN CRATON
ASIAN OROGENIC BELT
MAFIC-ULTRAMAFIC INTRUSIONS
SUTURE ZONE CONSTRAINTS
A-TYPE GRANITE
U-PB AGES
INNER-MONGOLIA
TECTONIC IMPLICATIONS
CONTINENTAL-CRUST
A new genus of Early Devonian plants with novel strobilar structures and vegetative appendages from the Posongchong Formation of Yunnan, China
期刊论文
review of palaeobotany and palynology, 2012
Hao, Shou-Gang
;
Xue, Jin-Zhuang
;
Zhu, Xiao
;
Wang, De-Ming
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/10
dichotomous appendage
bract
strobilus
fossil plant
Early Devonian
SP-NOV.
SOUTHEASTERN YUNNAN
PROVINCE
BARINOPHYTACEAE
LOCAL EXISTENCE AND UNIQUENESS OF THE DYNAMICAL EQUATIONS OF AN INCOMPRESSIBLE MEMBRANE IN TWO-DIMENSIONAL SPACE
其他
2010-01-01
Hu, Dan
;
Song, Peng
;
Zhang, Pingwen
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/13
Membrane
incompressible
existence
uniqueness
bending elasticity
FLUID MEMBRANES
CURVATURE ELASTICITY
SURFACE-TENSION
FLOW
Margulis lemma for compact lie groups
其他
2008-01-01
Mazur, Marcin
;
Rong, Xiaochun
;
Wang, Yusheng
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/12
NONNEGATIVE CURVATURE
FUNDAMENTAL-GROUPS
MANIFOLDS
SPACES
Numerical study of dynamic phase transitions in shock tube
期刊论文
applied mathematics and mechanics english edition, 2007
Ping, Wang
;
Shao-Qiang, Tang
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/12
phase transition
shock
relaxation
CONSERVATION-LAWS
SYSTEMS
Martin points on open manifolds of non-positive curvature
其他
2007-01-01
Cao, Jianguo
;
Fan, Huijun
;
Ledrappier, Francois
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/16
CURVED MANIFOLDS
RANK
BOUNDARY
弯曲时空几何光学中的聚焦定理
期刊论文
大学物理, 2006
许殿彦
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2015/10/23
弯曲时空
几何光学
聚焦定理
黑洞
Guangnania cuneata gen. et sp nov from the Lower Devonian of Yunnan Province, China
期刊论文
review of palaeobotany and palynology, 2002
Wang, DM
;
Hao, SG
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/11
Guangnania
zosterophyll
Lower Devonian
Yunnan
China
MARCHIN NORTHERN MARGIN
OLD RED SANDSTONE
EARLY LAND PLANTS
DINANT SYNCLINORIUM
POSONGCHONG FORMATION
BELGIUM
ZOSTEROPHYLL
PALEOECOLOGY
REMAINS
ORIGIN
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